首页 -- 会员登陆 | 设为主页 |  收藏本站 | 
热点: 计数器 | 色差仪 | 电位滴定 | 试验机 | 微波消解 | 磨样机 | 离心机 | 纯水器 | BOD | 色谱柱
光谱 | 色谱 | 质谱 | 元素分析 | 显微镜 | 粒度仪 | 电化学 | 实验室设备 | 环境监测 | 生命科学 | 更多
首 页      | 新闻中心     | 供求中心     | 技术文章       | 人才中心     | 厂商动态     | 仪器历史     | 展会信息     | 多彩CII     | 买家论坛     | 政府采购     | 招标投标    | 仪器论坛
中国国际仪器网站内搜索:
关键字广告】: 气相色谱  光谱分析仪  激光器  振荡器  金相显微镜  流量计   光度仪   水质分析仪   生化分析   有害气体分析   风速仪   电子天平   色谱配件
    首页 >>> 期刊杂志 >>> 《中国测试技术》2008年3月

《中国测试技术》2008年3月

刊    期:双月刊
主办单位:中国测试技术研究院
国际刊号:ISSN
价    格:15元/册



仪器 期刊介绍
《中国测试技术》创刊于1975年,是国内外公开发行,集国民经济多行业、多领域、多学科测试技术特色为一体的专业学术期刊。该期刊为中国科技论文统计源期刊(中国科技核心期刊),被《中国期刊数据库》、《中国科技期刊数据库》等多家权威机构收录。
  《中国测试技术》以测试技术理论研究为主导,以测试技术应用交流为重点,追踪测试领域学科发展前沿,阐释测试理论方法和实践应用之精髓,期刊设有:综述论坛、测试理论与方法研究、计量技术与工程测试 、电子测量与自动化控制、安全监测与质量检验、现代测试仪器与传感器件等栏目。着重登载权威专家有关测试技术发展趋势和前沿动态的特约或专访文章;各领域、各专业中有关测试新方法、新技术、新手段的研究及应用文章;同时围绕政府十分关注的节能、环保、安全、健康、可持续发展诸多问题,滚动开展机动车辆、医学设备、矿井油田、公共环境、食品及农产品安全检测的专题研究与讨论。本刊融学术研究与技术应用为一体,报道及时,信息容量大,涵盖面广,是信息传递、沟通交流的良好媒体。
  《中国测试技术》为双月刊,大16开本,单月30日出版,国内外公开发行。国内邮局发行代号62-260,单价:15元/册,全年订价90元(人民币)。

邮局汇款
邮政编码:610061
收款地址:四川省成都市玉双路10号
收款单位:《中国测试技术》杂志社

银行汇款
收款单位:中国测试技术研究院
开户银行:中国工商银行成都玉双路分理处
账 号: 4402263009026400262
仪器 目录摘要
1.红外热像法测毫米波介质透镜天线的焦斑
杨显志, 宫玉彬, 王文祥
(电子科技大学物理电子学院,四川 成都 610054)

摘 要:根据温度与透镜天线焦斑之间的对应关系,用红外热像测温方法对自行设计的毫米波介质透镜天线的焦斑进行了测量,经分析计算,得到了透镜天线焦斑的实测值,对透镜天线焦斑焦距的设计值进行了修正,实现了毫米波的定位定功率密度辐射。与其它测温方法相比,用红外热成像方法测透镜天线焦区场分布具有准确测量局部温度、温度分布及热图像处理等优点。

关键词:红外热成像;毫米波介质透镜天线;热图像;焦斑

中图分类号:TH744.41;TH753+.5 文献标识码:A
文章编号:1672- 4984(2008)03-0001-03

Focal spot measurement of millimeter wave dielectric lens antenna by
infrared thermal imaging method
YANG Xian-zhi, GONG Yu-bing, WANG Wen-xiang
(College of Physical Electrics,University of Electronic Science and Technology,Chengdu 610054,China)

Abstract: According to the relationship between temperature and the focal spot of lens antenna, the focal spot size of homemade millimeter wave dielectric lens antenna was measured by infrared temperature measurement technology. The experimental result, which was regard as the actual value, was achieved through analyses and calculations, and its designed value was corrected with it, then the exact radiation of millimeter wave was achieved. As a specialized technology, the infrared temperature measurement method is more accurate in some aspects compared with other temperature measurement methods, such as measuring the local temperature exactly, simulating the temperature distribution and processing the thermal image etc.

Key words: Infrared thermal imaging; Millimeter wave dielectric lens antenna; Thermal image; Focal spot

Editor:liyan

2.茶叶中维生素分析方法概述
谭和平, 叶善蓉, 邹 燕, 陈 丽
(中国测试技术研究院,四川 成都 610021)

摘 要:在查阅1907年以来国内外所有关于茶叶维生素分析方法研究文献的基础上,该文介绍了茶叶中的维生素及其分析方法现状,对脂溶性维生素和水溶性维生素的主要分析方法进行了系统地阐述,对微生物法、分光光度法、荧光法、高效液相色谱法、毛细管电泳法和流动注射化学发光法等主要分析方法进行了评述,并提出了应建立对茶叶中维生素的测定方法。

关键词:茶叶;维生素;分析;测定;方法
中图分类号:TS272.5;R977.2 文献标识码:A
文章编号:1672- 4984(2008)03-0004-05

Summary of vitamin determination for tea

TAN He-ping, YE Shan-rong, ZOU Yan, CHEN Li
(National Institute of Measurement and Testing Technology,Chengdu 610021,China)

Abstract: According to almost all literatures about vitamin determinations for tea roundly since 1907, vitamins in tea and their determinations were briefly introduced in this article. The primary determinations of the fat-soluble vitamin and the water-soluble vitamin were systematically investigated, especially those methods such as microbiological, spectrophotometric, fluorescence, high performance liquid chromatography(HPLC), capillary electrophoresis(CE), flow-injection chemiluminescence and so on were reviewed. And the determination standard for vitamins in tea had been proposed.

Key words: Tea; Vitamin; Analyze; Determine; Method

Editor:liyan

3.直流电压自然基准装置的研究及量值复现
钟国林, 张朝军, 尧冬梅, 孙茂一
(中国测试技术研究院,四川 成都 610021)

摘 要:针对实物电压基准量值存在漂移的问题,利用约瑟夫森超导结量子电压与微波频率成比例的原理,研究和建立了我国的直流电压自然基准装置。用该装置校准国家直流电压实物基准得到的数据表明,国家直流电压实物基准维护完好,其组平均值随时间的漂移非常微小,每年仅仅几十纳伏特。该装置的建成,表明我国在直流电压测量领域已经达到国际先进水平,完全满足监视国家实物电压基准量值变化的需要。

关键词:直流电压;实物基准;自然基准;漂移
中图分类号:TM935.115;TM933.21 文献标识码:A
文章编号:1672-4984(2008)03-0009-05

Research on natural standard equipment and its value repetition for direct current voltage
ZHONG Guo-lin, ZHANG Chao-jun, YAO Dong-mei, SUN Mao-yi
(National Institute of Measurement and Testing Technology,Chengdu 610021,China)
Abstract: Aiming at the drifting problem on the physical voltage standard value, Josephson’s principle of the proportion between super conduction junction quantum voltage and microwave frequency was employed. The national physical standard device for the D.C. voltage had studied and established. The data which gained from adjusting the physical standard of the national D.C. voltage by the device indicated that the standard was kept in good condition. And its group average value changed very little, just a few nanovolt per year. The establishment of the device makes it clear that our country has reached the international advanced standard in the field of measurement of D.C. voltage. And the device well meets the requirement of watching the changes of the national physical voltage standard value.

Key words: Direct current voltage; Physical standard; Natural standard; Drift

Editor:liyan

4.肺功能仪校准装置的研制
张从华1,2, 龚 岚1, 李 凡3, 宿 红1
(1.中国测试技术研究院,四川 成都 610021;2.四川大学原子核科学技术研究所,四川 成都 610064;3.济南市计量检定所, 山东 济南 250001)

摘 要:为了解决肺功能仪的质量控制和量值溯源问题,运用人体呼吸的基本原理,采用微机伺服精确控制活塞的工作方式,研制了肺功能仪校准装置,该装置可完成气体体积和流量的修正计算,能向肺功能仪提供模拟的肺活量、用力肺活量、呼吸峰流量、分钟最大通气量等标准量值。该装置的主要指标达到欧洲呼吸学会和美国胸腔协会提出的肺功能测试标准的要求。简要介绍了研制肺功能仪校准装置的社会意义,说明了该装置工作的基本原理,列举了达到的主要物理指标,以及实现的基本功能。

关键词:肺功能仪;校准;肺功能仪校准装置;模拟;质量控制;量值溯源
中图分类号:R322.3+5;TM930.113 文献标识码:A
文章编号:1672-4984(2008)03-0014-03

Calibration device development for spirometer analyzers
ZHANG Cong-hua1,2, GONG Lan1, LI Fan3, SU Hong1
(1.National Institute of Measurement and Testing Technology,Chengdu 610021,China;
2.Institute of Nuclear Science and Technology,Sichuan University,Chengdu 610064,China;
3.Jinan Institute of Measurement and Testing,Jinan 250001,China)

Abstract: In order to ensure the quality control and the value traceability of pulmonary function analyzers, the principle of human breathing and the precise control of computer servo system were used to develop a calibration device for spirometry analyzers. This device could calculate the amended gas volume and its amended flow, and provide the standard values such as vital capacity, forced vital capacity, peak expiratory flow, maximum voluntary ventilation, etc. for spirometry analyzers. Its principal indicators have reached the requirements of the spirometry standard recommended by the European Respiratory Society and the American Thoracic Society. In this paper, the social significance of this calibration device was briefly introduced, its basic working principle was interpreted, and its main physical parameters and basic functions were listed too.

Key words: Spirometer; Calibration; Spirometry calibration device; Simulation; Quality control; Value traceability

Editor:liyan

5.提高电感传感器测量精度的方法
丁 敏, 王选择, 杨练根, 钟毓宁
(湖北工业大学机械工程学院,湖北 武汉 430068)

摘 要:分析了传统电感传感器信号的精密测量方法的优缺点,对传感器信号的特点进行了研究,在分析影响电感式传感器测量电路的精度因素的基础上,提出利用频率稳定的晶振来作为激励信号的信号源,采用单运放绝对值进行检波,用三极管功率放大电路来驱动负载等措施来改善电感传感器的检测精度,并通过实验论证了该方法的正确性和可行性。

关键词:电感传感器;单运放绝对值检波;计数器;激励信号;MAX293
中图分类号:TP212.1;TM934.4 文献标识码:A
文章编号:1672-4984(2008)03-0017-03

Method for improving the precision of inductance-transducer
DING Min, WANG Xuan-ze, YANG Lian-gen, ZHONG Yu-ning
(College of Mechanical Engineering,Hubei University of Technology,Wuhan 430068,China)

Abstract: This paper analyzed the benefits and drawbacks of precision measuring methods using traditional inductance-transducer signal and the characters of signal transducer. On analyzing of various factors which affect the precision of inductance-transducer, it presented a method to improve precision by using steady-frequency crystal as the signal resource, detecting with single- amplifier absolute value and driving load with the triode power amplify circuit. The correctness and feasibility were verified by experiments.

Key words: Inductance-transducer; Single-amplifier absolute value detection; Counter; Excitation signal; MAX293

Editor:liyan

6.基于硅光电池的色度测量系统设计
肖韶荣, 朱 平, 赵艳清
(南京信息工程大学电子与信息工程学院,江苏 南京 210044)

摘 要:用光纤束传送经过变换的探测光脉冲序列,并投射到被测物体表面,或者传送到积分球再透射到被测物体表面,可获得四种色度测量几何条件;分别由置于积分球的三个作了光谱校正的硅光电池检测被物体待测表面反射的光信号,用精密调理电路将光电池输出的电流信号转换为可被单片机系统采集的电压信号;用z10近似表达x10的蓝色区域刺激值,通过软件校正三刺激值测量方程的有关因子。

关键词:色度计;积分球;光纤束;硅光电池;单片机技术
中图分类号:TM914.4+1;TN247 文献标识码:A
文章编号:1672-4984(2008)03-0020-04

Chrominance measurement system design based on silicon photo-cells
XIAO Shao-rong, ZHU Ping, ZHAO Yan-qing
(College of Electronics and Information Engineering,Nanjing University of Information Science and Technology,Nanjing 210044,China)

Abstract: Light pulses from illumination system were transmitted by optical fiber beam, directly or through integrating sphere, they were projected at the surface of the object to be measured. Then four geometry conditions may be obtained. The light reflected from surface of the object was detected with three silicon photo-cells placed on integrating sphere and corrected in spectrum with filters separately. Precision conditioning circuits were utilized to translate current signals from the cells into DC voltage signals which suitable for SCM system. And z10 was used to express x10 in blue region of stimulus value approximatively. The related factors of measurement equation may be revised with software through a standard object.

Key words: Colorimeter; Integrating sphere; Optical fiber beam; Silicon photo-cell; SCM technology
Editor:liyan

7.百分表测杆径向摆动的修理
谭武峰
(喀什地区质量技术监督局计量所,新疆 喀什 844000)


8.非接触式光纤内螺纹测试装置
李 恒, 安 莹, 董 威
(西安工业大学光电工程学院,陕西 西安 710032)

摘 要:为克服接触式测量内螺纹方法的不足,研制了基于强度调制型光纤传感器的非接触测量装置。通过与特制的机械结构相结合,实现了相对效率高、速度快、且便于应用的内螺纹参数的测量。该装置主要由进给平台和光纤探头组成,同时采用半导体激光光源(LD)作光源,光电二极管为光电转换器件。测量的信号经光路转换及前置放大后,通过采样保持送入数据采集系统,经数据处理软件Matlab进行处理得出螺距误差。实验表明,经适当改进后,该方法可用于工业生产过程中内螺纹的非接触测量。

关键词:强度调制型;光纤探头;非接触测量;微位移;螺纹参数
中图分类号:TN253;TH13 文献标识码:A
文章编号:1672-4984(2008)03-0024-04

Non-contact optical fiber test device for inside screw threads
LI Heng, AN Ying, DONG Wei
(College of Opt-electro Engineering,Xi’an Ttechnological University,Xi’an 710032,China)

Abstract: A non-contact test device based on the technology of the intensity-modulation typed fiber optic sensor was developed to overcome the shortages of the contact-measuring method for the inside screw thread parameters. And with the special mechanism, this device has the characteristics of higher efficiency, higher speed and easier application. Its main components are fiber optic probe, light source with LD and photoelectric transducer with photodiode. The optical signals were converted to electrical ones, pre-amplified, sent to data acquisition system through sample held. Then the error of the measuring screw-pitch was achieved after the data were processed with the software Matlab. The experimental results manifested that this device with the present method could successfully undertake the non-contact measurement of the screw thread parameters after some proper improvements.

Key words: Intensity modulation; Fiber probe; Non-contact measurement; Micro-displacement; Screw thread parameter

Editor:liyan

8.在等倾干涉装置上检定研磨平尺的不确定度评定
张成悌
(中国测试技术研究院,四川 成都 610021)

摘 要:对不同长度的研磨平尺用两种不同长度长平晶在等倾干涉装置上检定的不确定度进行了评定,其中包括分段法不够一整段时的评定。指出误差分量要分清是影响空气层厚度测量的,还是影响直线度测量的;在用分段法测量时要分清随机误差与系统误差对直线度测量不确定度的影响是不同的。其温度误差分为随机误差和系统误差两部分。在不同情况应该用不同的数学模型。

关键词:研磨平尺;不确定度;评定;等倾干涉装置;长平晶;分段法
中图分类号:TH741.1+1;TH741.4 文献标识码:A
文章编号:1672-4984(2008)03-0027-04

Verification uncertainty evaluation for verifying abraded straight rule on
interferential installation with isoclinic circle fringe
ZHANG Cheng-ti
(National Institute of Measurement and Testing Technology,Chengdu 610021,China)

Abstract: The uncertainties for verifying all kinds of abraded straight rulers with different length on interferential installation with isoclinic circle fringe by two kinds plane optical bars were evaluated in this paper. Among the uncertainty evaluations, the situation of subsection also was evaluated. The necessary for distinguishing the error component caused by air-layer thickness measurement or that caused by straightness measurement of straight ruler was pointed out, it should also be emphasized that straightness measurement uncertainties caused by accidental errors and systematic errors be different in sectional measurement. And the temperature error could be divided into accidental error and systematic error. Also, different mathematical model must be employed under different circumstances.

Key words: Abraded straight ruler; Uncertainty; Evaluation; Interferential installation with isoclinic circle fringe; Plane optical bar; Subsection method

Editor:liyan

9.虚拟仪器在计量测试中的应用
黄吉涛1, 周伦彬2, 马博群3
(1.宁夏电能计量检定中心,宁夏 银川 750001;2.广州市计量检测技术研究院,广东 广州 510030;
3.广州市特种设备检测研究院,广东 广州 510400)

摘 要:由于微电子技术、计算机技术、软件技术和网络技术的高度发展与不断融合,虚拟仪器技术业已成为当前测试技术领域的一个热点。文章简单地介绍了虚拟仪器技术及其发展状况;列出了新技术给计量测试带来的各种问题;最后结合工程实践提出了相应的解决方案和注意事项,这对于其它类虚拟仪器的计量具有普遍的参考意义。

关键词:虚拟仪器;计量测试;溯源;法制计量;不确定度
中图分类号:TP311.56;TB9 文献标识码:A
文章编号:1672-4984(2008)03-0031-03

Application of virtual instrument in metrology testing
HUANG Ji-tao1, ZHOU Lun-bin2, MA Bo-qun3
(1.Ningxia Verification Center of Electric Energy Metering,Yinchuan 750001,China;
2.Guangzhou Institute of Measurement and Testing,Guangzhou 510030,China;
3.Guangzhou Institue of Special Equipment Inspection,Guangzhou 510400,China)

Abstract: With highly development in microelectronics technology, computer technology, software technology and network technology and its continuous integration, virtual instrument technology has become a hot topic in current test fields. This paper briefly introduced virtual instrument technology with its development and presented some issues that generated by this new measurement technology. Finally, some solutions and attentions to the issues with engineering practice were mentioned. They are also valuable in other kinds of virtual instrument measurement.

Key words: Virtual instruments; Metrology testing; Traceability; Legal measures; Uncertainty
Editor:liyan

10.低反射系数等效信号源的测试方法研究
朱 军, 李健一, 王增浩
(解放军92493部队89分队,辽宁 葫芦岛 125000)

摘 要:目前微波小功率标准装置采用低反射系数等效信号源结构,在量值传递过程中,等效信号源反射系数的大小是影响系统测量准确度的关键,而信号源输出端反射系数的测量一直是微波计量中的技术难题。对等效信号源反射系数的常用测试方法进行了介绍,结果表明,大失配功率座法适用于各种等效信号源的反射系数的测量。

关键词:微波;反射系数;等效信号源;计量;失配
中图分类号:TN74;TN015 文献标识码:A
文章编号:1672-4984(2008)03-0034-03

Testing investigation method on low reflectance equivalent signal generator
ZHU Jun, LI Jian-yi, WANG Zeng-hao
(PLA 92493 Troop 89 Unit,Huludao 125000,China)
Abstract: At present, low reflectance equivalent signal generator is adopted on microwave small power standard device. Reflectance of equivalent signal generator affects the measuring accuracy of system and reflectance measuring of signal generator is a difficult problem. The author introduced common measurement methods to measure reflectance of equivalent signal generator. Results show that big mismatch power mount method can apply to measure reflectance of various equivalent signal generators.

Key words: Microwave; Reflectance; Equivalent signal generator; Measurement; Mismatch
Editor:liyan

11.企业计量器具检定周期分析与探讨
李 琪
(西南油气田股份公司装备制造公司,四川 成都 610051)

摘 要:计量器具的检定周期,受其使用性能、使用环境、使用频繁程度、准确度要求以及保养、存放条件等综合因素的影响,所以评定合理的检定周期是一项复杂且重要的工作。通常计量器具检定周期的评定,受人的主观因素的影响,往往不尽合理,存在着检定周期内使用的计量器具不一定合格,而超周期使用的计量器具不一定就不合格的现象,这就说明了检定周期的评定中还有许多需要改进的地方。该文从检定周期评定中的问题及影响、检定周期的评定和检定周期的调整及资料管理等三个方面论述企业计量器具检定周期的评定方法。

关键词:企业;计量器具;检定周期;分析与探讨
中图分类号:TB114.2;TB9 文献标识码:A
文章编号:1672-4984(2008)03-0037-03

Verification cycle analyses and discussions for measuring instruments in enterprises
LI Qi
(Equipment Manufacturing Department of Petrochina Southwest Oil & Gas Field
Cooperation,Chengdu 610051,China)

Abstract: The verification cycle of measuring instruments was affected by certain synthetic factors such as their operating performance, environment, frequency, accuracy requirements, maintenance and storage, and so on. Thus it is a very complex system project to estimate their verification cycles reasonably. The verification cycle estimation was always influenced by the human factor, which was not reasonable. According to present status, the in-use measuring instruments may be invalid, but the overdue measuring instruments may be valid, which indicates that there are many improvements needed for verification cycle evaluation. In this article, the possible problems encountered in verification cycle evaluations and their effects, the verification cycle evaluation, and the adjustment and its documents were analyzed and discussed to introduce the method for evaluating the verification cycles of measuring instruments in enterprises.

Key words: Enterprise; Measuring instruments; Verification cycle; Analysis and discuss

Editor:liyan

12.蒙特卡洛法在检测机构服务窗口等待问题的分析
李文举, 姚志慧, 李耀权
(国家信息技术设备质量监督检验中心,广东 东莞 523120)

摘 要:对检测技术机构的客户服务窗口等待问题,用蒙特卡洛法进行窗口排队仿真分析,分别模拟了在开设一个窗口和两个窗口的情况下客户的排队等待状态,在Excel上通过2000次模拟的统计仿真分析。通过窗口利用率和客户等待时间等参量的对比得出分析结果。该方法成本低,仿真情况贴近现实,实用性强,分析结果可以为管理层的决策提供参考建议。

关键词:蒙特卡洛;检测技术机构;仿真;窗口;排队;等待;Excel表格
中图分类号:TP391.9;TB114.1 文献标识码:A
文章编号:1672-4984(2008)03-0040-04

Simulation analyses of waiting queue problems at test service windows with Monte Carlo method
LI Wen-ju, YAO Zhi-hui, LI Yao-quan
(National Quality Supervising and Testing Center for Information Technology Equipments,Dongguan 523120,China)

Abstract: The waiting queue problems at the client serve windows of test institutes were analyzed with Monte Carlo simulation method. And the waiting queue situations in the case of opening one window and in the case of two windows were simulated respectively. The conclusions achieved through 2000 simulations and statistic analyses in Excel, could bring up practical reference frames to decision maker. Also, this method was low cost and with strong practicability and its simulations were close to the real situations completely.

Key words: Monte Carlo; Testing technology institute; Simulation; Window; Queue; Waiting; Excel

Editor:liyan

13.质量的基本概念及应用
陈旭东
(中国测试技术研究院,四川 成都 610021)

摘 要:通过对质量哲学概念、质量识别概念、质量评价概念和商品质量概念的全面阐述,从理论研究的角度对质量进行了深层次的剖析和探讨,对我们认识和把握质量的本质、特征和规律,结合我国人文环境和社会实际,有鉴别地吸收国外现代质量管理精髓,开创有中国特色的质量活动,切实改善我国的质量状况有重要的指导意义。

关键词:质量;基本概念;理论研究;应用
中图分类号:TB114.2;TB9 文献标识码:A
文章编号:1672-4984(2008)03-0044-05

Basic concepts of quality and its applications
CHEN Xu-dong
(National Institute of Measurement and testing technology,Chengdu 610021,China)

Abstract: From the standpoint of theoretical research, quality was dissected and discussed deeply through describing its philosophical definition, the concept of quality identification, the concept of quality assessments, and the concept of commodity qualities roundly. These dissections and discussions have important directive to help us to understand and grasp the essence, the features and the rules of quality. They also have important directive to critically absorb the goodness of the overseas modern quality management, create quality activities with Chinese characteristics, and concretely improve our national quality situation according to the human and culture environment in our country and the social reality.

Key words: Quality; Basic concept; Theoretical research; Application

Editor:liyan

14.基于虚拟仪器的模拟试验机振动信号分析技术
杨运洲1, 白秀琴2
(1.武汉理工大学自动化学院,湖北 武汉 430063;2.武汉理工大学可靠性工程研究所,湖北 武汉 430063)

摘 要:以一种新型的内燃机模拟试验机为实验平台,模拟出内燃机在实际工作环境下,其主要运动部件的表面磨损情况及振动情况。在模拟试验机的缸套、活塞环、曲轴、轴承等核心部件上选择不同测点,在虚拟仪器技术的基础上,进行时域分析、频域分析、功率谱分析、频率分析以及谐次分析,同时对信号波形显示,完成对模拟试验机振动状态的实时监测,为模拟试验机的振动监测和故障诊断奠定基础。

关键词:虚拟仪器;信号分析;模拟试验机;振动;实时监测
中图分类号:TP311.56;TP15 文献标识码:A
文章编号:1672-4984(2008)03-0049-03

Vibration signal analyses of simulator based on virtual instruments
YANG Yun-zhou1, BAI Xiu-qin2
(1.College of Automation,Wuhan University of Technology,Wuhan 430063,China;
2.Institute of Dependability Engineering,Wuhan University of Technology,Wuhan 430063, China)

Abstract: A new type simulator of internal combustion engine was taken as the experiment platform, and the surface abrasion situation and vibration situation of its main components were simulated at the real working environment. And on the basis of the virtual instrument technology, different testing locations on the core components of simulator, such as cylinder, piston ring, crankshaft, bearing, and so on were chosen for analyses of time domain, power spectrum, frequency domain, and harmonic. At the same time, the waveform graphs were exported, and the real-time vibration state supervision was achieved for the simulator. Through the above, the foundation of the vibration monitoring and the fault diagnosis for simulators were established.

Key words: Virtual instrument; Signal analysis; Simulator; Vibration; Real-time monitoring

Editor:liyan

15.基于WDM模型的PCI数据采集卡驱动程序设计
吴宏钢1,2, 尹爱军1, 秦树人1
(1.重庆大学机械学院测试中心,重庆 400044;2.重庆通信学院,重庆 400035)

摘 要:为了实现基于PCI总线的数据采集,根据WDM驱动程序的工作原理,设计了基于PCI总线的数据采集卡驱动程序,实现了驱动程序的设备加载,例程分发,中断处理,并探讨了驱动程序的调用和封装。系统以VC++6.0及DriverStudio3.0作为开发平台,以PCI-025004数据采集卡为例,开发了Windows2000/XP操作系统下的驱动程序。实验表明,该驱动程序运行稳定、移植性好,其框架结构能广泛地用于PCI总线设备的开发。

关键词:WDM程序;驱动程序;PCI总线;数据采集;虚拟仪器
中图分类号:TP311.5;TP274+.2 文献标识码:A
文章编号:1672-4984(2008)03-0052-04

Device driver design for PCI data acquisition card based on WDM
WU Hong-gang1,2, YIN Ai-jun1, QIN Shu-ren1
(1.Test Center of Mechanical Engineering College,Chongqing University,Chongqing 400044,China;
2.Chongqing Communication College,Chongqing 400035,China)

Abstract: For realizing data acquisition based on PCI (Peripheral Component Interconnect) bus, a device driver was designed for data acquisition card based on PCI bus according to the principle of WDM device driver. This device driver could complete device driver loading, routine dispatching and interrupt service. The invoking and package of device driver were also discussed. Taking PCI-025004 data acquisition card as an example, it was used to develop the device driver for Windows2000/XP. And in this development, VC++6.0 and DriverStudio3.0 were took as development platform. The experiment results show that the device driver runs well and could be planted in different PC. They also indicate that the framework of the device driver could be used in the development of other PCI bus device driver.

Key words: WDM; Device driver; PCI bus; Data collection; Virtual instrument

Editor:liyan

16.自动测试系统中的数据处理方法
潘孟春, 陈棣湘, 高军哲
(国防科技大学机电工程与自动化学院,湖南 长沙 410073)

摘 要:基于数据采集系统的直流电压、交流电压和时间间隔等参数的测试方法,重点对交流电压的幅度和频率的测试方法进行了分析,阐述了数点法、三点法和傅里叶变换算法的原理,并对这三种方法的测试精度和适用范围进行了比较和分析。这些数据处理方法已成功地应用于某型导弹的自动测试系统,获得了较高的测试精度和良好的应用效果。

关键词:自动测试系统;数据处理;数点法;三点法;时间间隔;FFT算法;精度
中图分类号:TP273;TP274 文献标识码:A
文章编号:1672-4984(2008)03-0056-02

Data processing method for automatic test system
PAN Meng-chun, CHEN Di-xiang, GAO Jun-zhe
(College of Mechanical and Electrical Engineering and Automation,National University of
Defense Technology,Changsha 410073,China)

Abstract: In order to assure the accuracy of automatic test system, some reasonable test methods must be selected and measurement data must be processed by software. The test methods based on data acquisition system parameters such as direct voltage, alternating voltage and time interval of were introduced. And test methods for measuring amplitude and frequency of alternating voltage were emphatically analyzed. The method principles of counting point, three-point and Fast Fourier transform (FFT) algorithm were described. Furthermore, their test accuracies and application ranges were compared and analyzed. These data processing methods had been applied to a missile automatic test system successfully. The results showed these methods had high measuring accuracy and good effects.

Key words: Automatic test system (ATS); Data processing; Counting point method; Three-dot method; Time interval; FFT; Accuracy

Editor:liyan

17.自动PCB外观检测仪中的图像采集研究
任小均, 叶玉堂, 刘 旭, 樊 星, 罗 颖
(电子科技大学光电信息学院,四川 成都 610054)

摘 要:为了增强对PCB板检测的准确性和有效性,研制了自动外观检测仪。文章介绍了外观检测仪中图像实时采集和传输的实现。主要讨论了系统设计、检测和驱动开发。采用ALTERA公司的新型CYCLONE FPGA系列简化本地逻辑,大大缩短了硬件开发周期。工具DriverStudio的使用降低了驱动开发的难度。桥芯片PEX8111的使用和DMA传输方式的设计满足了高速、实时、准确的图像采集要求。

关键词:自动PCB外观检测仪;图像采集;WDM驱动程序;桥芯片PEX8111;可编程逻辑器件
中图分类号:TP274,TP751 文献标识码:A
文章编号:1672-4984(2008)03-0058-04

Research of image collecting of automatic PCB visual inspection
REN Xiao-jun, YE Yu-tang, LIU Xu, FAN Xing, LUO Ying
(School of Optical-Electric Information,University of Electronic Science and Technology,Chengdu 610054,China)

Abstract: Automatic PCB visual inspection had been developed for enhancing veracity and validity of PCB inspection. The image real time collecting and transfers of visual inspection was introduced, including hardware and software. The system design, detecting and WDM driver developing were discussed. CYCLONE FPGA of ALTERA Company was used to predigest local circuit logic, which greatly abbreviated the hardware developing period. Difficulty of driver development was reduced by using DriverStudio. The use of bridge chip PEX8111 and transmission mode of DMA meet the requirement of high speed, real time, and accurate image capturing.

Key words: Automatic PCB visual inspection; Image collecting; WDM driver; Bridge chip PEX8111; FPGA

Editor:liyan

18.基于Modbus协议的PLC与LabVIEW的通讯实现
万 鹏, 赵世平, 徐弘轩
(四川大学制造科学与工程学院,四川 成都 610065)

摘 要:为了完成基于Modbus协议的可编程控制器与LabVIEW的通讯,利用LabVIEW中的VISA技术,设计实现了Modbus协议下PC机与台达DVP14SS PLC的串行通讯。PC机通过串口对PLC进行控制,并将PLC采集到的状态信息送回PC机进行处理,完成状态监测。实验结果表明,该系统具有良好的实时性和可靠性。

关键词:Modbus协议;可编程控制器;串行通讯;VISA技术;LabVIEW软件
中图分类号:TP311.52;TN915.04 文献标识码:A
文章编号:1672-4984(2008)03-0062-03

Communication between PLC and LabVIEW based on Modbus protocol
WAN Peng, ZHAO Shi-ping, XU Hong-xuan
(School of Manufacturing Science and Engineering,Sichuan University,Chengdu 610065,China)

Abstract: To fulfill a way of communication between PLC and LabVIEW based on Modbus Protocol, realization of serial communication between PC and Delta DVP14SS PLC under Modbus Protocol is developed by the use of VISA technology. PC controls PLC through serial port. It can process the state information collected by PLC, then complete state monitoring. Experiment results show that the system has good real-time quality and reliability.

Key words: Modbus protocol; PLC; Serial communication; VISA; LabVIEW

Editor:liyan

19.FPGA双线性插值图像变换系统的设计与实现
刘 怡1, 黄自力2, 王经纬1, 唐湘成2
(1.电子科技大学自动化工程学院,四川 成都 610054;2.西南技术物理研究所电子工程部,四川 成都 610041)

摘 要:运动目标模拟作为一种系统仿真技术是研究图像的检测、跟踪以及图像导引装备的基础技术。该设计通过FPGA对输入图像的实时运算实现对图像的缩放、平移、旋转等变换,并在VGA监视器上显示,为图像识别、跟踪提供背景模拟。在FPGA中实现实时算法使得系统不再依赖DSP进行信号处理,大大降低了成本并缩减了系统体积。

关键词:FPGA;VGA;双线性插值;实时图像变换
中图分类号:TP751;TP391.9 文献标识码:A
文章编号:1672-4984(2008)03-0065-03

Design and implementing of image transform system based on FPGA with bilinear arithmetic
LIU Yi1, HUANG Zi-li2, WANG Jin-wei1, TANG Xiang-cheng2
(1.University of Electronic Science and Technology,Chengdu 610054,China;
2.Electronic Engineering Branch,Southwest Institute of Technology Physics,Chengdu 610041,China)

Abstract: Simulation of moving object, as a simulate technology of system, is the basic technology of researching the image scan and track and guide equipment. This real time system was processing the image on FPGA, achieving a satisfying result of transform, zoom and eddy of the image and display on VGA displayer. The real time processing on FPGA makes the system not depend on DSP. It reduces the cost and curtails the bulk of system.

Key words: FPGA; VGA; Bilinear arithmetic; Real time image transform

Editor:liyan

20.改进测地线活动轮廓模型的肝脏超声图像分割
欧 玥1, 刘 奇2, 汪 颖2
(1.西华大学机械工程与自动化学院,四川 成都 610039;2四川大学电气信息学院,四川 成都 610065)

摘 要:针对超声医学图像的特点,系统地发展和应用测地线活动轮廓模型技术进行肝脏超声图像的边缘提取,提出一种改进的测地线活动轮廓模型。首先把总变分和各向异性扩散方程的有机结合构造出新的边缘停止函数;其次,提出三种边缘停止函数,通过实验比较得出最佳模型。新模型能有效地保留目标信息,消除噪音,增大图像梯度值,具有更强的收敛效果。实验表明,该方法能更加准确地提取弱边缘,达到更理想的分割效果。

关键词:总变分;各项异性扩散;测地线活动轮廓模型;肝脏超声;分割
中图分类号:R322.4+7;R445.1 文献标识码:A
文章编号:1672-4984(2008)03-0068-03

Liver ultrasound image segmentation based on improved geodesic active contour model
OU Yue1, LIU Qi2, WANG Ying2
(1.College of Mechanical Engineering and Automatization,Xihua University,Chengdu 610039,China;
2.College of Electrical Information,Sichuan University,Chengdu 610065,China)

Abstract: An improved Geodesic Active Contour Model (GACM) was proposed to distill the edge of liver ultrasound image according to developing and applying GACM technology by the numbers, contraposing to liver ultrasound medical image. Firstly, a new edge stopping function was constructed by combing the total variation miniature with the anisotropic diffusion equation. Secondly, three edge stopping functions were given and the best model was obtained via experiment comparison. The new model can reserve the object information effectually, eliminate the noise, augment image gradient, and pose stronger constringency effect. The experiment shows the method can distill weak edge more availably so as to achieve the better segmentation result.

Key words: Total variation; Anisotropic diffusion; Geodesic active contour model; Liver ultrasound; Segmentation

Editor:liyan

21.基于FPGA的多DSP系统接口电路设计
黄 锐, 唐继勇, 张 磊
(电子科技大学自动化工程学院,四川 成都 610054)

摘 要:针对多DSP(数字信号处理器)的数据传输有三种常用接口方式:EMIF,HPI和McBSP方式。而采用EMIF接口方式,利用FPGA(现场可编程逻辑门阵列)设计FIFO的接口电路,将各个DSP的EMIF总线接入FPGA中,可实现多块DSP之间的连接。实验结果表明,这种方式无需外加逻辑器件即可实现高速传送数据,适用于数据块的传送。这种设计已应用于由4片DSP构成的信号处理系统中。

关键词:DSP器件;FPGA芯片;EMIF接口;接口;数据传送
中图分类号:TP334.7;TP274+.2 文献标识码:A
文章编号:1672-4984(2008)03-0071-03

Interface circuit design for multi-DSP system based on FPGA
HUANG Rui, TANG Ji-yong, ZHANG Lei
(College of Automation Engineering,University of Electronic Science and Technology, Chengdu 610054,China)

Abstract: There are three main interface manners, i.e. EMIF (External Memory Interface), HPI (host-port interface) and McBSP (multi-channel buffered serial port) among multi-DSP (digital signal processor). And the Muti-DSP connection can be realized through connect every DSP to FPGA (field programmable gate array) when the EMIF was used and the FIFO (first-in, first-out) interface circuit was designed with FPGA. The experimental results showed, by this way, data and/or data block could be quickly transferred among several DSP without extra logic components. For practice, it had been applied to the system for producing signal process using 4 pieces of DSP.

Key words: DSP; FPGA; EMIF; Interface; Data transfer
Editor:liyan

22.基于LabVIEW的PID控制系统设计与实现
李 扬, 谢 晖, 陈 侃
(西南交通大学机械工程学院,四川 成都 610031)

摘 要:针对传统单片机PID控制在数据处理、显示、存储等方面的不足,将虚拟仪器技术用于PID控制中,设计了基于LabVIEW的单容水箱PID控制系统。系统通过传感器,数据采集卡,以及LabVIEW的PID工具包,对采集的数据进行实时地分析和处理,最后达到对液位高度的控制。该系统具有人机交互性强,控制精度高,稳定性好,使用方便等优点,在教学及实验中已经得到使用。

关键词:LabVIEW软件;数据采集;PID控制;液位控制;虚拟仪器
中图分类号:TP15;TP311.52 文献标识码:A
文章编号:1672-4984(2008)03-0074-03

Design and realization of PID control system based on LabVIEW
LI Yang, XIE Hui, CHEN Kan
(School of Mechanical Engineering,Southwest Jiaotong University,Chengdu 610031,China)

Abstract: Due to the backwards of the control based on traditional SCM PID in the aspects of data processing, displaying and storing etc, the virtual instrument was applied into the PID control to design a single container PID control system with LabVIEW. The data can be real-time analyzed and processed by this system through its sensor, data collector and the tool packet, PID of LabVIEW, and also, the goal of controlling the height of the liquid-level can be realized. This system has many advantages such as strong human-computer interaction, high control precision, excellent stabilities, and easy to use. Thus, it has been used in teachings and experiments.

Key words: LabVIEW; Data acquisition; PID control; Liquid-level control; Virtual instrument

Editor:liyan

23.基于单片机与FPGA的波形发生器
蒋献丰, 钱卫飞
(乐清市质量技术监督检测院,浙江 乐清 325604)

摘 要:基于单片机与FPGA的波形发生器,核心技术是直接数字频率合成。FPGA集成了固定分频器、单片机通信模块、波形合成器及波形选择等模块,其输出的8位数据通过D/A转换并经功率放大后即得所需波形。单片机控制键盘与显示模块,提供了良好的人机界面。经过设计和电路测试,系统能产生正弦波、三角波和方波等波形,控制灵活,输出波形性能良好。

关键词:波形发生器;DDS技术;单片机;FPGA器件;D/A转换器
中图分类号:TP274;TM935.2 文献标识码:A
文章编号:1672-4984(2008)03-0077-03

Wave generator based on FPGA and SCM
JIAN Xian-feng, QIAN Wei-fei
(Yueqing Institute of Measurement and Testing for Quality and Technique Supervision,Yueqing 325604,China)

Abstract: The basic technique of this waveform generator based on Single Chip Micro Computer and FPGA is DDS. FPGA chip consisted of a frequency divider, single chip communication module, wave synthesizers and a wave-selecting module. The 8-bit output data of FPGA were converted by a D/A and then amplified to get wave shape. Single Chip Micro Computer that controlled the keyboard and display module provided a good human-computer interface. By designed and circuit testing, the system could generate sine wave, triangular wave and square wave,easy control and high performance.

Key words: Wave generator; DDS; SCM; FPGA; D/A

Editor:liyan

24.电子系统BIT设计技术初探
张小林, 刘海彬
(中电集团公司第29研究所,四川 成都 610043)

摘 要:BIT(自检)是电子系统可测试性设计的重要组成部分,是电子系统或设备内部检测和隔离故障的重要手段。首先对电子系统BIT设计的定性及定量要求、基本方法及设计思路进行系统的阐述分析,结合电子系统或设备故障检测与隔离的难点,对国内外电子系统的可测试性新技术进行了介绍,并对这些技术应用于电子系统BIT的方法及可行性进行了分析说明。最后提出通过制定良好的BIT层次结构,运用边界扫描、维修总线等新技术,以及并行设计等开发模式,可以极大地提高电子系统或装备的BIT能力。

关键词:BIT(built in test)技术;BITE(built in test equipment);MTM;JTAG;LRU
中图分类号:O242.1;TP751 文献标识码:A
文章编号:1672-4984(2008)03-0080-04

Design technology research for electronic system BIT
ZHANG Xiao-lin, LIU Hai -bin
(China Electronic Technology Company No.29 Institute, Chengdu 610043,China)
Abstract: BIT is one important testability design of electronic systems. It’s also one important way to test and insulate the failure in the electronic system or the internal equipment. Firstly, the qualitative and quantitative requirements, basic methods, design ideas for BIT design of electronic systems were systematically introduced. Then in association with the difficulties in failure detections and insulations of electronic systems and equipments, the new testability technologies of electronic systems from home and abroad were introduced, and the possibility and method for applying these technologies to the electronic system BIT were analyzed and explained. Finally, the BIT capability of electronic systems and equipments was improved through makine right Bit layer, using the new technology includinng boundary scanning, MTM bus etc. and taking parallel designing as the development model.

Key words: BIT; BITE; MTM; JTAG; LRU

Editor:liyan

25.车速传感器和压电陀螺仪数据采集系统的设计
梁贸源, 王 忠, 薛晓娜
(四川大学电气信息学院,四川 成都 610065)

摘 要:利用车速传感器和压电陀螺仪进行汽车的航位推算,成功解决由于GPS信号被遮挡不能定位的情形。汽车多传感器数据采集系统设计以单片机ATMEGA8和数据处理电路为核心,给出了部分硬件设计原理图和单片机程序设计流程图。速度信号采集电路将不同车速转变成的不同频率的脉冲信号输入到单片机进行控制与计算;压电陀螺仪采集电路把汽车转向的角加速度通过一次积分为角速度再传给单片机进行A/D转换,最后通过串口传送给PC机,用PC机终端程序进行测试,测试结果表明,该车速和方向传感器数据采集系统软硬件系统工作稳定正常。

关键词:车速传感器;压电陀螺仪;数据采集;单片机;ATMEGA8
中图分类号:TP212.1;TP274+.2 文献标识码:A
文章编号:1672-4984(2008)03-0084-03

Design and realization of sampling system based on speed sensor and gyroscope
LIANG Mao-yuan, WANG Zhong, XUE Xiao-na
(School of Electrics Information Engineering,Sichuan University,Chengdu 610065,China)

Abstract: Dead reckoning of cars is widely used in positioning with speed sensor and gyroscope when the GPS signal is obstructed. This paper introduced design & realization of sampling system based on speed sensor and gyroscope. The system was based on single chip processor ATMEGA8. Its hardware principle circuit and the software flow figure were given. The different frequency pluses based on different speed was generated by sensor and sent them into single chip processor. Signal from gyroscope was transmitted to ADC after once integrating. Then the voltage sent it to PC through serial bus. The measuring result proved validity and stability of the system.

Key words: Speed sensor; Gyroscope; Data sampling; Single chip processor; ATMEGA8

Editor:liyan

26.超声洁牙设备检测仪的设计
甘德成
(江西渝州科技职业学院,江西 新余 338029)

摘 要:为实现对超声洁牙设备检测,依据超声洁牙设备原理和行业标准规定,对测量方法进行了探索研究,设计出一种基于智能化控制系统的检测方法,该检测系统具有成本低、实时性高、可移植性等特点,具有很好的应用价值。

关键词:超声洁牙设备;系统模块;智能化控制;检测系统;实时性
中图分类号:TH787;TP273+.5 文献标识码:A
文章编号:1672-4984(2008)03-0087-04

Detection apparatus design for ultrasonic dental descalers
GAN De-cheng
(Jiangxi Yuzhou Vocational College of Science and Technology,Xinyu 338029,China)
Abstract: Ultrasonic dental descaler is one kind of typical medical device and its principal application is to remove plaque and calculus from teeth. According to the principle of ultrasonic dental descalers and their corresponding regulations of occupation standards, the present measuring methods were investigated and a new detecting method was designed to detect ultrasonic dental descalers based on intelligent control system. This detecting system for ultrasonic dental descalers was consisted of two models, hardware and software. In the present article, the design method, instructions and its functional characteristics were mainly introduced. The results indicate that this detecting system is cost-effective,high real-time, portability and so on. All above predict its bright prospects.

Key words: Ultrasonic dental descaler; System module; Intelligent control; Detecting system; Real-time

Editor:liyan

28.微波消解-AAS测定垃圾焚烧飞灰中重金属
冯素萍1, 裘 娜1, 沈 永1, 唐厚全2
(1.山东大学环境科学与工程学院,山东 济南 250100;2.济南市环境监测站,山东 济南 250014)

摘 要:采用微波消解法对城市生活垃圾焚烧飞灰样品进行预处理,在此基础上优化了城市生活垃圾焚烧飞灰的微波消解酸体系及消解程序。优化后的微波消解酸体系及用量比例为HNO3 ∶ HF ∶ HClO4=3 ∶ 4 ∶ 1;消解程序的四个工步分别为:3 min(5×101 kPa),3 min(10×101 kPa),4 min(15×101 kPa),6 min(20×101 kPa)。该方法的相对标准偏差为1.2%~4.5%,加标回收率为95.9%~103.7%,应用于实际的城市生活垃圾焚烧飞灰样品取得了良好的效果。

关键词:微波消解;AAS法;城市垃圾;焚烧飞灰;重金属
中图分类号:X328;X701.2 文献标识码:A
文章编号:1672-4984(2008)03-0091-04

Heavy metal determination in waste incineration fly ash by microwave digestion-AAS
FENG Su-ping1, QIU Na1, SHEN Yong1, TANG Hou-quan2
(1.College of Environmental Science and Engineering,Shandong University,Jinan 250100,China;
2.Jinan Environmental Monitoring Center,Jinan 250014,China)

Abstract: The fly ash sample in municipal solid waste incineration was pretreated with microwave process. The purpose of this research was to optimize the microwave digestion acid reagents and the digestion process. The improved microwave digestion acid reagents were HNO3 ∶ HF ∶ HClO4=3 ∶ 4 ∶ 1. The four processes of digestion were 3 min (5×101 kPa), 3 min (10×101 kPa), 4 min (15×101 kPa), 6 min (20×101 kPa) respectively. The RSDs of this method were from 1.2 % to 4.5 % and the recoveries were from 95.9% to 103.7%. The results indicate that the improved method could be used in municipal solid waste incineration fly ash samples and obtain desirable results.

Key words: Microwave digestion; Atomic absorption spectrometry; Municipal solid waste; Incineration fly ash; Heavy metal

Editor:liyan

29.红外定量分析四氯化钛中的三氯乙酰氯
宋玉萍1,2, 谭 红2, 孙军平1, 杨鸿波2 ,陈红亮1,2, 许华杰1,2, 何锦林2
(1.贵州大学,贵州 贵阳 550001;2.贵州省理化分析测试研究中心,贵州 贵阳 550001)

摘 要:精四氯化钛中的三氯乙酰氯会影响海绵钛的质量。为测定三氯乙酰氯的含量,应用傅里叶变换红外光谱技术、自制5 cm长光程液体池和一套密封取样装置,定量分析了精四氯化钛中的三氯乙酰氯。本方法的线性范围在(0~0.163)g/L,相关系数r=0.999 4,吸光系数是2.767 L/g•cm,检出限3.61×10-4 g/L。本方法检出限低、灵敏度高、线性范围宽,可满足四氯化钛工业生产监控这种杂质的要求。

关键词:傅里叶变换红外光谱;四氯化钛;三氯乙酰氯;定量分析;密封取样装置
中图分类号:TQ114;TH744.41 文献标识码:A
文章编号:1672-4984(2008)03-0095-03

Quantitative analysis for trichloroacetyl chloride in titanium tetrachloride by
infrared spectrophotometers
SONG Yu-ping1,2, TAN Hong2, SUN Jun-ping1, YANG Hong-bo2, CHEN Hong-liang1,2, XU Hua-jie1,2, HE Jin-lin2
(1.Guizhou University,Guiyang 550001,China;
2.Guizhou Research Center of Physical Testing and Chemical Analysis,Guiyang 550001,China)

Abstract: Trichloroacetyl chloride in titanium tetrachloride affects the quality of titanium sponge, FT-IR(Fourier transform infrared) spectrophotometer with a homemade 5 cm path length liquid cell and a set of airproof sampling units has been used to determine trichloroacetyl chioride in titanium tetrachloride. The results show that the liner range of calibration curve is from 0 g/L to 0.163 g/L, r, the correlation coefficient is 0.999 4, the absorbance coefficient is 2.767 L/g•cm and the detection limit is 3.61×10-4 g/L. All above indicate this method can determine low concentration trichloroacetyl chloride, with high sensitivity and wide liner range. Thus, it will satisfy industrial production requirement well.

Key words: FT-IR spectrophotometers; Titanium tetrachloride; Trichloroacetyl chloride; Quantitative analysis; Airproof sampling unit

Editor:liyan

30.蔬菜中吡虫啉农药残留分析方法
殷春杭, 钱允辉, 张 琰
(南通市农产品质量检验测试中心,江苏 南通 226006)

摘 要:针对蔬菜中吡虫啉残留分析没有国标可执行的问题,着手对此进行了一些研究,提出了一种简单、快速且较为经济的对残留量的检测分析方法。用二氯甲烷,采用匀浆法提取,并用安捷伦的C18柱(500 mg;6 mL)进行净化。用高效液相色谱仪测定,外标法定量。其特点是方法简便、快速,结果准确。检测波长269 nm;色谱柱C18 XDB 250 mm×4.6 mm×5 μm;流动相:乙腈∶水=40∶60(V/V);该方法标准曲线相关系数0.999 99。

关键词:蔬菜;吡虫啉;农药残留:高效液相色谱;回收率
中图分类号:S63;S481+.8 文献标识码:A
文章编号:1672-4984(2008)03-0098-03

Determination of imidacloprid pesticide residues in vegetables
YIN Chun-hang, QIAN Yun-hui, ZHANG Yan
(Nantong Center for Agricultural Product Quality Supervision and Testing,Nantong 226006,China)

Abstract: At present, there is no national standard for determination of imidacloprid pesticide residues in vegetables. In order to solve this problem, one simple, rapid, economic method was researched and established for determination of pesticide residues. In this method, ethyl acetale and dichloromethane were used to extract residues with eddy-oscillate method. And the extract was purified with Agilent C18 column(500 mg;6 mL). After then it was analyzed with high performance liquid chromatography(HPLC) and quantified with ESTD method. In detail, the detection wavelength was 269 nm, the chromatography column was C18 XDB 250 mm×4.6 mm×5 μm and the mobile phase was 40%(V/V) acetonitrile aqueous solution. The results indicate that this method is simple and rapid, the linear regression coefficient of calibration curve is larger than 0.99999, and the measurement result is accurate.

Key wards: Vegetable; Imidacloprid; Pesticide residue; HPLC; Recovery
Editor:liyan

31.盘形凸轮廓线测量及逆向分析系统设计
冯 鉴, 谢 敏, 张兴元
(西南交通大学峨眉校区,四川 峨眉 614202)

摘 要:基于逆向工程的思想提出了一种应用于盘形凸轮廓线的测量及分析系统,并详细介绍了该系统的设计原理、硬软件组成及测量数据的处理算法。通过实际测量并对测量数据按设计算法处理后表明,该系统的测量及分析方法正确,效果比较理想。利用所获得的有效数据在系统中添加后置CAD模块,建立凸轮的三维CAD实体模型,就可以很方便地进行数控机床加工。

关键词:盘形凸轮;轮廓曲线;测量装置;逆向工程
中图分类号:U263.3;TP274+.2 文献标识码:A
文章编号:1672-4984(2008)03-0101-03

Design of profile measurement and reverse analysis system for plate cam
FENG Jian, XIE Min, ZHANG Xing-yuan
(Emei Campus,Southwest Jiaotong University,Emei 614202,China)

Abstract: Based on the principle of reverse engineering, the system for measurement and analysis of the profile of plate cam was brought forward. The theories, configuration of the hardware and software and the algorithm for the post processing of the acquired data of the system were also described. The comparison of the measurements and computed results based on the developed theories shows that the measurement and analysis method of this system is correct and the result is reasonable. Utilizing the available data and adding a CAD module to this system, building the 3-dimensional solid model for the plate cam, could be used for the machining on a NC machine expediently.

Key words: Plate cam; Profile curve; Measure device; Reverse engineering
Editor:liyan

32.容量比较法解决储油罐罐底变形引起的差量
佟明星1, 王天顺1, 郑 鹤1, 杨 华2, 傅茉莉2, 辛 欣2, 罗熙清2
(1.国家大容量第一计量站,辽宁 抚顺113006;2.沈阳军区油料监督处,辽宁 沈阳110013)

摘 要:储油罐罐底变形引起的计量误差,是目前全国从事油品储存加工企业急需解决的一个问题。以容量比较法为测试验证方法,采用罗斯蒙特0.1级质量流量计,测试储油罐罐底基础沉降与罐底板形成间隙引起的夹层(暗舱)而造成的差量。将测得的差量结果来重新修正容量表,解决了储油罐因罐底变形造成计量误差的问题,大大提高了罐容使用的准确度。

关键词:罐底变形;容量比较法;解决差量
中图分类号:TH814+.6;TB938.3 文献标识码:A
文章编号:1672-4984(2008)03-0104-03

Resolve the dispatch amounts caused by bottom deformations of oil storage
tank jars with capacity comparison method
TONG Ming-xing1, WANG Tian-shun1, ZHENG He1, YANG Hua2, FU Mo-li2, XIN Xin2, LUO Xi-qing2
(1.The First Measure Station of Country High-capacity,Fushun 113006,China;
2.The Oil Supervisor Bureau of Shenyang Military Region,Shenyang 110013,China)

Abstract: The metrology errors caused by oil storage tank jar bottom deformations were urgent problems need to solve in the oil product storing and processing enterprises throughout the country. The dispatch amount caused by the interlayer (dark cabin) deformation, the gap between the basis settlement of the oil storage tank jar bottom and its bottom board was tested with the capacity comparison method and the Ross Mengte grade-0.1 mass flowmeter. It solved the metrology errors caused by bottom deformations of oil storage tank jars through calibrating the capacities with the measurement results. And it increased the accuracy of effective tank capacity greatly.

Key words: Jar bottom deformation; Capacity comparison method; Resolve dispatch amount
Editor:liyan

33.基于SOPC技术的三坐标测量机运动控制核心
江 舟, 周丹华, 兰 波
(中国测试技术研究院,四川 成都 610021)

摘 要:设计了一种新型的基于SOPC技术的三坐标测量机控制核心。该控制核心以数字脉冲的方式实现三坐标的运动控制和相关I/O接口控制功能。该核心的测量机控制系统以PC机作为上位机,利用串口进行上、下位机的通信,所有对实时性要求高的功能都在片内实现,包括插补运算、测点锁存和测头保护等。用SOPC技术开发的坐标测量机控制核心简化平台硬件结构,系统具有开放、性能可靠且本身结构紧凑等特点,并且可以灵活的实现定制应用。

关键词:SOPC(可编程片上系统);FPGA(现场可编程门阵列);坐标机运动控制;测点锁存;测头保护
中图分类号:TP311.52;TP273 文献标识码:A
文章编号:1672-4984(2008)03-0107-03

CMM motion control core based on SOPC technology
JIANG Zhou, ZHOU Dan-hua, LAN bo
(National Institute of Measurement and Testing Technology,Chengdu 610021,China)

Abstract: A new kind of CMM (coordinate measuring machine) control core was designed based on SOPC (system on a programmable chip) technology. This control core controls the tri-coordinate motion and the functions of the related I/O through the mode of digital pulses. And it takes PC as upper system, used a serial port to communicate between the upper system and the lower system, and all functions needing high speed and real-time were performed in the chip, include interpolation, measuring point latching, probe protecting, etc. The CMM control core based on SOPC technology has simplified the structure of motion controller hardware, and its system has features such as open structure, reliable performance, compact structure, and so on. Thus, this CMM motion control core could be achieved at custom-made applications flexibly.

Key words: SOPC; FPGA; CMM motion control; Measuring point latch; Probe protect
Editor:liyan

34.小口径薄壁钢管水浸法超声波探伤系统研究
刘清洋, 殷国富, 赵秀粉, 周 莉
(四川大学制造科学与工程学院,四川 成都 610065)

摘 要:针对小口径薄壁钢管无损检测的需要,设计开发了一种基于水浸式超声波的双探头探伤检测系统。论述了该系统检测原理、总体结构、主要功能部件设计和软硬件系统的组成,分析介绍了检测软件系统的功能,并对探伤检测系统运行过程中由于振动引起的信号干扰等问题提出了解决方法,最后对系统进行了应用验证。

关键词:超声波检测;水浸;小口径;薄壁;振动;信号干扰
中图分类号:TH871;TH878+.2 文献标识码:A
文章编号:1672-4984(2008)03-0110-04

Research on water ultrasonic fault detection system for thin-wall and small-diameter steel tubes
LIU Qing-yang, YIN Guo-fu, ZHAO Xiu-fen, ZOU Li
(College Manufacturing and Engineering,Sichuan University,Chengdu 610065,China)

Abstract: A fault detection system with double-probe based on water ultrasonic wave is designed and developed to meet the needs of non-destructive testing for thin-wall and small-diameter steel tubes. The testing principle, structure, design of the main components and composing in software and hardware of this system were described. At the same time, the functions of the testing software system were introduced. The solutions for some problems including signal interference caused by vibration in the course of fault detection were proposed. At last, this system was inspected and verified.

Key words: Ultrasonic wave detection; Water immerse; Small diameter; Thin wall; Vibration; Signal interference

Editor:liyan

35.一种用于小型无人机避障的快速视差测距方法
王一凡, 谌德荣, 张立燕
(北京理工大学宇航科学技术学院,北京 100081)

摘 要:为了实现小型无人机快速自主测距避障,在双目视差测距的基础上,提出了一种机载三目视差测距算法,利用三个视觉传感器测得的数据,推导出简单的距离公式。利用各传感器成像间的相关性,提出了一种加快图像识别方法,通过缩小对图像中障碍物像元的搜索范围,有效地减小了目标搜索运算量,加快了搜索速度,为小型无人机快速自主避障系统的研制创造了条件。

关键词:多目成像;立体视觉;视差测距;图像识别;CCD传感器;区域分割
中图分类号:TP872;TP75 文献标识码:A
文章编号:1672-4984(2008)03-0114-03

A fast parallax distance measuring method for small UAV obstacle avoiding
WANG Yi-fan, CHEN De-rong, ZHANG Li-yan
(School of Aerospace Science and Technology,Beijing University of Technology,Beijing 100081,China)

Abstract: In order to achieve obstacle avoidance of small UAV rapidly and independently by ranging, the paper presents an algorithm that measures distance through three vision sensors on the UAV based on binocular parallax distance measuring. The method used three vision sensors to obtain data, and then calculated some simple distance formulae. Using the correlation of image of vision sensors, an image recognition method which could increase the speed was proposed. It effectively decreased the computation power and improved the processing speed of parallax distance measuring by reducing research range of obstacle pixel in the image. This is a base for realizing autonomous obstacle avoiding system of small UAV.

Key words: Multi-aperture imaging; Stereo vision; Parallax measure distance; Image recognition; CCD; Region segmentation

Editor:liyan

36.高精度电池组检测系统的研究与开发
王海峰, 田治礼, 仲 强
(山东胜利职业学院,山东 东营 257097)

摘 要:为实现电池组运行状况的实时监测和控制系统显得极其重要,设计并研制了一套基于Philip900系列单片机的多处理器、多机通讯电池组检测系统。该系统可以同时监测24节电池的工作情况,并且能够对电池组总体电压和单个电池的工作进行可靠的监控,出现问题能够及时报警。实践证明该设计方案正确可行。

关键词:电池组;检测系统;单片机;多处理器;多机通讯
中图分类号:TM911;TP273+.5 文献标识码:A
文章编号:1672-4984(2008)03-0117-04

Research and development of high precision battery set detection system
WANG Hai-feng, TIAN Zhi-li, ZHONG qiang
(Shandong Shengli Vocational College,Dongying 257097,China)

Abstract: It is important to research and develop a system which can monitor and control the operational state of the battery set in industrial control. So a battery-pile detecting system based on Philip 900 SCM was designed and prepared for multi-processor, multi-computer communication processors. This system could control 24-part battery-pile operations, monitor and control the general voltage and the single battery operations simultaneously. If the problem appeared, it could give an alarm immediately. And the practice results proved that this design was feasible and right.

Key words: Battery-pile; Detecting system; SCM; Multi-processor; Multi-computer communication

Editor:liyan

37.RT-Linux坐标测量机开放式控制系统构建
曾 潇, 王 伟, 李 洋
(中国测试技术研究院测量仪器研究所,四川 成都 610021)

摘 要:构建了一种基于RT-Linux操作系统的坐标测量机开放式控制系统。该系统利用RT-Linux作为操作系统,以模块化方式实现了坐标测量机的运动控制、相关I/O控制、测量数据采集和人机界面显示等功能,并且这些模块完全开放,从而使控制系统具有互操作性、可移植性、可缩放性和可互换性,大大提高了坐标测量机控制系统的适应能力。

关键词:开放式;坐标测量机;RT-Linux操作系统;嵌入式
中图分类号:TP311.52;TP273 文献标识码:A
文章编号:1672-4984(2008)03-0121-03
Open controlling system construction for coordinate measuring machines based on RT-Linux
ZENG Xiao, WANG Wei, LI Yang
(Instrumentation Division of National Institute of Measuring and Testing Technology,Chengdu 610021,China)

Abstract: An open controlling system based on RT-Linux operating system was constructed for coordinate measuring machine(CMM). This open controlling system achieved the functions of motion control, related I/O control, measuring data acquisition, human-machine interface display, and so on by modularizations with RT-Linux operating system. And these modules were completely open. Thus, the controlling system possesses many features such as interoperability, portability, scalability and exchangeability. All those improved the compatibility of CMM control system greatly.

Key words: Open; Coordinate measuring machine; RT-Linux OS; Embedded

Editor:liyan

38.基于多目标进化算法的压电换能器优化设计
穆 飞, 傅 波,黄振伟
(四川大学制造科学与工程学院,四川 成都 610065)

摘 要:为了解决单目标优化无法满足实际工程应用需求的问题,通过对一个约束性多目标优化问题的分析,以最大振幅和最小输入电压做为优化目标,设计参数包括连续变量(换能器的尺寸)和离散变量(材料类型),利用基于分析模型的传递矩阵法对压电换能器进行建模,进而导出优化问题的数学描述式,最后应用多目标进化算法NSGA-II,估算一系列的pareto优化设计值,分析优化结构,并确定最优设计参数。

关键词:压电换能器;传递矩阵;多目标进化算法; 约束性问题;优化设计
中图分类号:O224;TB552 文献标识码:A
文章编号:1672-4984(2008)03-0124-03

Piezoelectric transducer optimized design based on Multi-objective evolutionary algorithms
MU Fei, FU Bo, HUANG Zhen-wei
(College of Manufacturing Science and Engineering,Sichuan University,Chengdu 610065,China)

Abstract: Since the single-objective optimization could not solve the complicated situation in applications, the design of a Langevin transducer had been described as a constrained multi-objective optimization problem. The maximum vibration amplitude and minimum electrical input power were considered as optimization objectives. Design variables involved continuous and discrete variables. The transfer matrix method based on analytical models was used to simulate the behavior of transducers. A multi-objective evolutionary algorithms(NSGA-II) was used, and the set of pareto-optimal solutions was calculated. At last, the optimized results were analyzed, and the preferred design was determined.

Key words: Piezoelectric transducers; Transfer matrices; Multi-objective evolutionary algorithms; Restrict problems; Optimal design

Editor:liyan

39.基于红外二级管纠偏探头的设计与验证
康 靖, 赵庆海
(西安理工大学印刷包装工程学院,陕西 西安 710048)

摘 要:通过直流电路驱动红外二级管发出的红外光恒功率发射,红外光经过聚光透镜,形成直径为20 mm的光柱。带材正常运动时处于光柱的中心位置,光电二极管接收到的光功率为一定值;当带材偏移时,引起接收管的光功率变化,导致光生电流变化,从而确定偏移量与光生电流的关系。在信号的放大与处理环节采用两级运算放大器相结合的电路,充分减少信号衰减与噪声影响,并产生较大的电压增益,试验表明该电路设计可行并达到一定的精度。

关键词:红外二级管;恒功率;纠偏探头;光生电流;运算放大器
中图分类号:TP391.41;TN214 文献标识码:A
文章编号:1672-4984(2008)03-0127-04
Design and validate excursion sensor based on infrared diode
KANG Jing, ZHAO Qing-hai
(School of Printing and Packing Engineering,Xi’an University of Technology,Xi’an 710048,China)

Abstract: The infrared diode was droved by DC circuit to send light with constant power. The rays passed through a condensing lens and formed a light pole with the diameter of 20 mm. When the web worked normally, it passed through the central axle of the light pole so that the optical power received by photosensitive diode was normal constant. On the contrary, if the web went with excursion, different luminous flux would be gotten by the photosensitive diode. Furthermore, the photocurrent which had a direct proportion relationship with the luminous flux would be changed too. Based on the above, the relationship between the excursion and the photocurrent could be determined. Using two operational amplifiers to amplify and deal with the current signals, it could lessen the signal attenuation and yawp infections and produce biggish voltage plus. The experimental results shows that this designed circuit is available and with certain accuracy.

Key words: Infrared diode; Constant power; Excursion sensor; Photocurrent; Operational amplifier

Editor:liyan

40.利用冲击波速度间接测试超压值的可行性研究
安建军, 张志杰, 王文廉
(中北大学仪器科学与动态测试教育部重点实验室,山西 太原 030051)

摘 要:在对现有冲击波超压测试方法和特点分析的基础上,为进一步准确测定弹药爆炸时产生的冲击波超压和冲量,提出了一种可行的间接测量冲击波超压的方法,即在求得冲击波速度的基础上,利用兰金--雨贡纽方程(Rankine-Hugoniot)求解冲击波超压,用该试验方法求得的超压值与压力传感器直接测量的超压值进行比对,由此来证明用冲击波速度测试超压这种试验方法的理论可行性。

关键词:冲击波;超压测量;速度测量;兰金—雨贡纽方程;超压值
中图分类号:TK312;TJ650.6 文献标识码:A
文章编号:1672-4984(2008)03-0131-04

Feasibility research of using shock wave to test the overpressure indirectly
An Jian-jun, Zhang Zhi-jie, Wang Wen-lian
(Ministry of Education Key Laboratory of Instrumentation Science and Dynamic Measurement,
North University of China,Taiyuan 030051,China)

A

仪器 联系方式
《中国测试技术》杂志社
邮编:610021
地址:成都市玉双路10号
联系人:李燕
电话:+86-28-84404872 84403072
传真:(028)84403677
E-Mail:zgcsjs@nimtt.com(编辑部)
zgcsjs@sina.com (发行部)
zgcsjs@163.com (广告部)
http://www.nimtt.com

关于我们 | 网站导航 | 版权声明 | 联系我们 | 广告服务 | 服务反馈 | 诚聘英才 | 友情链接

版权所有 中国国际仪器网 www.instrumentchina.net 2008

电话:010-51581552,51581562,51582256 传真:010-51581689

地址:北京市海淀区中关村南大街甲6号铸诚大厦B座1509室
          
京ICP备05007133号