PROCEEDING OF TEE ElRST INTERNA~ONAL SYMPOSIUM: ON INSTRUME ION SCIENCE

AND TECHNOLOGY held in Luoyang, China

Aug. 23726,1999

Edited by

Jiubin Tan Professor, Dr, Head of Department of Instrumentation, Measurement and

Control Technology Harbin Institute of Technology

Sponsored by

National Natural Science Foundation of China (NSFC) Chinese Society for Measurement (CSM)

Organized by

International Committee on Measurements and Instrumentation (ICMI) Committee on Instrumentation of CSM Harbin Institute of Technology(H1T)

Hefei University of Technology (HUT)

Co-organized by

Luoyang Institute of Technology(L1T)

Published by

China Metrology Press

CONTENTS

Invited Papers

Surface Measurement Fidelity ............................................................................ .(1)

D. J. Whitehouse (University o f Warwick, UK)

Correlation Methods in Measurement ................................................................. (10) Volker Hans (University of Essen, Germany) A Measurement System for the Geometric Accuracy of X-Y Stages in 6-Dof .................. (18) Kuang-Chao Fan (National Taiwan University, Taiwan, China), Mu-Jung Chen Fibre Optic Sensor Technology ............................................................................ (30) K.T.V. Grattan (City University, London, England), T Sun A Cartesian Co-ordinate Laser Interferometer Tracking System for 3-D Calibration.. ... ....( 40)

X. Liu (Coventry University, UK), W. Nerdnoi Bionic Metrology and Instrumentation.. ............................................................... .(54)

Rensheng Che (Harbin Institute of Technology, China), Yuqiii Sun and Changcai Cui Value of the Amplitude of Vibration Accelerations Signal as a Measure the Adhesion of Head Coatings to Ceramic Edges ...................................................... (61)

Maciej Kupczyk (Institute of Mechanical Teclii~ology, Poland). Integrated Testing Technology and Virtual Instrument.. ....................................... .(66)

Sliuren Qin (Chongqing University Mechanical Engineering School, China)

Theory and Methodology on Instrumentation

The Method of Measuring Intersection of Two Orthogonal Axis Lines in a Multi-Axis System ....................................................................................... (72) Zhenyong Fang (Harbin Institute of Technology, China), Shunqing Ren and Shunli. Li

(77) .............................. Spectrum Overlap in PWF Calibration: Its Influence and Remove Xiaodong Lu (Harbin Institute of Technology, China), Jingmin Dai and Zaixiang. Chu Research on the Influence of Environment Temperature and Its Compensation

in Precision Temperature Measurement With Platinum Resistance.. ........................ .(82) Feng Yuan (Harbin Institute of Technology, China), Zhenliang Ding and Zhong Chen

1st International Symposium on Instrumentation Science and Technologv Aug. 23-26 1999, Luoyang. China

- V - ?

The Sequential Test Method of an Accelerometer on the Centrifuge ........................... (87)

Yafei Yang (Harbin Institute of Technology, China), Xijun Chen and Mingxing Zhou

Modeling of a New Type of CMM Using Parallel-Link Kinematic Mechanism .............( 92) Dejun Liu (Harbin Institute of Technology, China), Rensheng Che, Haiwei Mu and Huang Qingcheng

Ping Cai(Shanghai Jiaotong University, China), Liangmin Lin, Wenkang Shi and Satoshi Kiyono. Displacement Measurement of Gray Encoding Patterns by Using a Curve Fitting

A New 2-D Postion Detection Method for Precision Machine ....................................... (99)

...................................................................................................... Method (103) Yeh-fen Fu(Chung Kuo Iiistitute of Technology and Commerce, Taiwan, China), Lih-horng S h y and Jin-jia Chen Models for Evalluating the Contour Quality of Revolving Cutter with Generator Curve of Circular Arc and Corner Radius ............................................ (109) Wei-fang Chen(Far East College, Taiwan, China), Wei-ya Chen An Accurate Method to Obtain Magnitude and Phase of Rotor Unbalance Signal ............( 116) Jishun Li (Luoyang Institute of Technology, China), Jun Yu, Weiguo Zheng, Bingchao Luo and Bangjian An

Microcomputer Error Compensation Method for Frequency Measurement. ................ ..(121) Hui Zhang (Hefei University of Technology, China), Liqiang Wang and Tao He.

An Analysis of the Accuracy for Straightness Measurement with EST Method ............( 125) XianPing Wangwational University of Defense Technology, China), Shengyi Li. Analysis and Calculation of the Location Accuracy of Precise Jig and Error Factors of Force Deformation ............................................................................ (130) Qiongzhou Fei (Hefei University of Technology, China). Resolution to Improvement both Resolving-Power and Noise Immunity for the Inductosyn Displacement Measure Instruments.. ........................................ ...( 134) Jianxin Jin (Huazliong University of Science and Technology, China), Fei Li and Sheng Bin

The Optimum Thermal Fit Design of Journa l Bearing ................................. (139) Penghao Hu (Hefei Unversity of Technology, China), Qisheng Huang, Yetai Fei and Jinju Zhang Vector Quantization Based on Genetic Simulated Annealing., ............................... (144) Yigang Zhang(Harbin Institute of Technology, China), Zheming Lu.

1st International Symposium on Instrumentation Science and Technology Aug. 23-26,1999, Luoyang. China -v1-

The Application of Image Processing Method in Precise Allocation Measurement ......( 149)

Yaniing Hao (Harbin Engineering Unversity, China), Dingjie Xu The Calculation of Inspecting and Measuring Length of the Total Profile Error ...........( 153)

Mingyuan Wu (Luoyang Institute of Technology, China), Wei Yang The Error Analysis and'correction on Traditional Thermal Deformation Calculation Method in Precision Measurement.. .................................................... (157)

Qiangxian Huarig (Hefei University of Technology, China), Yetai Fei, Xiaohuai Cheng and Yi Zhong

Runling Pan, (Harbin Institute of Technology,China) Jiubin Tan, Weiqian Zhao and Quan Ma

A Study on Harmonics Suppression in Roundness Measurement.. ........................... .(162)

Signal Analyzing and Processing

An Electricity Network Fault Wave-Form Automatic Recording System ..................... (167)

Chengwei Li (Harbin Institute of Technology, China), Tianpu Jiang, Yongi ian Mu, Xifb Qiang and Jianbo Wang Dynamic Characteristic Spectra Analysis of Snap-Action Temperature Switch ............... (172)

Xiaoguang Zhang ( Harbin Institute of Technology, China), Lei Liang and Xiuzhen Jiatig Direct Digital Synthesize Frequency Sweep Signal ................................................... (177)

Yigang Zhang(Harbin Institute of Technology, China) Qiusheng Wang. The Influence on the Accelerometer's Test Form the Attitude Error of its Fixing on the Centrifuge ................................................................................. (183) Yafei Yang (Harbin Institute of Technology, China), Mingxing Zhou The Influence on Centripetal Acceleration from The Rate Fluctuating of Centrifuge's Main Axis .............................................................................. (186)

Xiin Chen (Harbin Institute of Technology, China), Yafei Yang, Mingxing Zhou Nonlinear Dynamic Analysis of Micromachined Gimbal and Vibrating Wheel Gyroscope ................................................................................................. ..(189)

Ming Li (Southeast University, China), Tijing Cai, Hongsheng Li, Bailing Zhou

1st International Symposium on Instrumentation Science and Technokogy Aug. 23-26,1999, Luoyang. China

- VII -

Prognostification of Accuracy of High-speed Precise Machining with Axial

......................................................................................................... Tools. (1 94) Aleshin A.K.(Moscow State University of Technology, Russia), Dolotov K.S. and Push A.V. Signal Properties of Ultrasound in Cross Correlation Flow Measurement. .................. (197)

Volker Hans(University of Essen, Germany), Volker Skwarek.

The Min-Max Problem for Evaluating the Form Error of a Circle .............................. 1202) Wen-Yuhj Jywe (National Huwei Institute of Technology, Taiwan, China),

Chien-Hong Liu and Kuo-Yi Chang A Quality Assessment Method for Cylindrical-Shank Spherical-Head Milling

...................................................................................................... Cutters (207) Hsin-Yi Laiwational Cheng-Kung University,Taiwan, China), Chu-Wang Tsai. Models for Evaluating the Contour Quality of Revolving Cutter with Corner

....................................................................................................... Radius.. (213)

Acoustical Analysis for Detecting the Leaks of Pipeline (220)

Shen-Wang Lin(V-I School, Taiwan, China), Wei-Fang Chen and Hsueh-Cheng Liao.

.................................... Hsing-Chia Kuo (National Cheng-Kung University,Taiwan, China), Yu-Chung Su, Yuh-Sheng Kuo

...... ....................... On the Non-Statistic Uncertainty in a Dynamic Measurement ;... (228)

Cleaning Teratment of Dynamic Measuring Data (233)

Ping Qin (Luoyang Institute of Technology, China), Zhongyu Wang ................................................

Xiaofen Yu (Hefei University of Technology, China), Zhengying Xu, Jianwei Yu Least-Squares Modeling of Discrete Nonlinear Data in N-Dimensional Space ...............( 238)

Xintao Xia (Luoyang Institute of Technology, China), Jianping Wang and Zhongyu Wang A Wavelet-Fractal Combination Approach to Evaluate Engineering Surface ...............( 243)

Feng Xiong (Huazhong University of Science and Technology, China), Yongsheng Gao, Shunian Yang and Zhu Li Fractal Evaluating the Homogeneity of 3-D Surface Topography.. .......................... ..(247)

Shengfeng Lu (Huazhong University of Science and Technology, China), Tiebang Xie, Feng Xie and Zhu Li Evaluation of the Homogeneity of 3D Surface Topography with Spectral Moments ................................................................................................. ...( 252)

Chenggui Li(Harbin lnstitute of Technology, China), Shen Dong

1st International Symposium on Instrumentation Science and Technolow Aug. 23-26,1999, Luoyang. China - Vlll -

Digital Phase Sensitivity Detection Method for Faint Signal in a Noise

Weiqian Zhao (Harbin Institute of Technology, China) Jiubin Tan, Jin Luo, Yingqiu Liu The mathematics Model for the Evaluation of Conical Tapered Parts ......................... (262 Sen-Yung Leepationat Cheng-Kung University,Taiwan, China), San-Ching Wu and Tsung-Lin Wu .

Circumstance.. .............................................................................................. (257

Metrology of Physical Quantities, Testing Techniques

Research on Composite Method of Long Gage Blocks ............................................. (266) Zhong Chen (Harbin Institute of Technology, China), Feng Yuan, Zhenliang Ding and Yanping Li Image-Encoding-Based Rangefingder Calibrating Using Soereoscopic Calibration Method ....................................................................................... (270)

Xiaoyang Yu (Harbin Engineering University,China), Jianying Fan, Jian Zhang, Liying Wu and Qingxin Meng

Measurement System for Pressure in Oil Well ....................................................... (276)

Zhongming Wu (Harbin Institute of Technology, China), Yan Wang and Jiangning Guo. Research on Agile Measuring System for Geometry Size of Axle Type Parts ...............( 281)

Guoqiang Lv(Hefei University of Technology, China), Hui Fu. Investigation on Performance Evaluation of Large Scale Coordinate Measuring

Systems. .................................................................................................... .(286)

Weihu Zhou (China Changcheng Institute of Metrology & Measurement, China), Baiyuan Li, Yibing Lan, Fei Wang and Huisheng Shi Measring the Shape and Position of a Moving Object by a Tracking Fringe Method .................................................... ’.: ................................................ (291)

Slieng Tan(Tsinghua University, China), Deqiang Song and Lijiang Zeng.

New Development to the Pneumatic Measurement Technique.. ................................. .(296) Shanxi Deng(Hefei University of Technology, China), Qing Du, Qiancheng Zhao and Hui Zhang

Improvement and Function Development of the Gear Single Flank Meshing Tester ......................................................................................................... (301 ) Min Lin (China Yituo Group Corporation Limited, China), Qunlin Chen

1st In ternntional Syrnposiwn on Insfrumentatinn Science and Technolou Aug. 23-26,1999, Luoymg. China

- IX -

Experimental Study on Relationship Between Measurement of Bone Stress and Bone Union ................................................................................................. (307) Mengyuan Li (Luo Yang Institute of Technology, China) Hao Niu and Aifang Guo Research on the Relation Between Tool Wear and Temperature in On-Line Detect ion .......................................................................................... (31 1 )

Jianxi Yang (Luoyang Institute of Technology, China), Fengkui Cui, Shunli Xum Jianting Liu and Xiaoqiang Wang

Transducers and Smart Sensors

Development of a Low-Cost Focusing Probe for Profile Measurement ............ ...( 315) K.C. Fan(Nationa1 Taiwan University, Taiwan, China), C.Y. Lin and L.H. Shyu. Reaerch on Tri-Design Technique for Diferrential Transformer Displacement Transducer.. ................................................................................................ .(321)

Wei Zhou(Hefei University of Technology, China), Guoqiang Lu Xesearch on WDM in Distributed Fiber Temperature Sensor .............................. (326) Yi Zhang (Huazhong University of Science and Technology, China), Xianping Cheng rnd Zhu Li On the Linearity of Linear Variable Differential Transformer .............................. (330)

Jianxin Jin (Huazhong University of Science and Technology, China), Shunian Yang and Zhengao Xu Typical Signal Processing Technique in the Special Dual-Dimensional Opto-Electronic Sensor ........................................................................... (334) Xinbao Zhang (Huazhong University of Science and Technology, China), Bin Zhao and Zhu Li Experiment System for Underwater Cable Detection.. .......................................... ,(339) Xiaodong Wang (Harbin Engineering University, China), Mingjin Zhang, Guangjun Li and Qingxin Meng Investigation on Nan0 Capacitive-Type C02 Gas Sensor.. ....................................... .(344) Bo Liao (Beijing Institute of Technology, China), Yexiang Liu, Kaiyi Wang and Qin Wei Nano-Crystalline Si Film Pressure Sensor.. ......................................................... .(348) Hongyi Lin (Beijing Institute of Technology, China), Bo Liao, Yaoming Wu and Xuhui Wu

1st International ,Tymposim on Instrirmentation Science and Technology Aug. 23-26,1999, Luoyang. China - X -

Research on Pendulum Type Ultrasound Bimorph Viscosity Measurement.. ...... .......( 351) Changshan Jin (Harbin Institute of Technology, China), kongqin Zhao, Guangyu Zhang and Dingiie Xu The Preliminary Research of Need No Power Transmit Signal Equipment ,

for Ellipse Gear Flowmeter .............................................................................. .(355)

Xiushui Ma (Anhui University, China), Kejun Xu and Hong Liu. Dynamic Modeling and Compensation Based on F L A " for Wrist Force Sensor ..........( 359) Ke-jun Xu(Hefei University of Technology, China), Ming Ying. Some Problems on Realizing Real-Time Compensation Filter of Sensor ............... ...( 366) Zhenshi Liu (Hefei Institute of Technology, China), Yifang Zhou, Yimin Lu and Xiaolong Wang

A High-Precision Capacitance Sensor Based on Direct Digital Synthesis Technique ..................................................................................................... (370) Fuslreng Wang (Harbin Institute of Technology, China), Jiubin Tan and Jie Zhang

Virtual and Intelligent Instruments

The Instrument of Wavelet Transform for Signal Analysis. ..................................... ...( 376)

Shuren Qin(Chongqing University Mechanical Engineering School, China) The Instrument for Measuring Dynamic Accuracy of Cutting Gear Machine Tool Drive Train ............................................................................... (385) Shuren Qin(Chongqing University Mechanical Engineering School, China) A Simulation System of Slave Arm for Tele-Operation Based on OpenGl ..................... (392)

VLSI Design for Memory Interface of Intelligent Instruments.. .............................. .(396) Chunrong Ji (Xi'an Institute of Technology, China), Zhixiang Ye and Yi Ning

Minglun Gao (Hefei University of Technology, China),'Li Li, Yonghua Hu and Ru i Wang

Adaptive Multilayer Neural Network Control of Blood Pressure ................................ .(401)

Juntao Fei (University of Science and Technology of China, China), Bo Zhang

Distributed Interactive Simulation(D1S): An Effective Tool for Systems

testing and Evaluation(T&E) .......................................................................... (406) Bing Zhang (Harbin Institute of Technology, China), Ming Yang, Zicai Wang and Yangfei Zheng

1st Inlernational Symposium on Instrumentation Science and Tecknology Aug. 23-26,1999, Luoyang. China

-XI-

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Virtual Instrument for Surface Roughness Measurement. ..................................... .(413)

Feng Xie (Huazliong University of Science and Technology, China), Tiebang Xie and

Zhu Li Transformer Fault Detection Based on Fuzzy Neural Networks.... .......................... (418)

Wenkang Shi (Shanghai Jiaotong University, China), Xiaodong Yue Achievement of Wavelet Decomposition Based on Neural Network in Out-Bursting Failure Detection ........................................................................ (425)

Virtual Guage: A New Approach to Test Screw Fastener ......................................... .(432) Jing Xu (Xiamen University, China), Lei Han

Xuejun Liang (Shanghai Jiaotong University, China), Maisheng Hong and Wenhuan Jia Research on the Method of Standardizing Non-Visa-Standard Instrument UO Function.. ................................................................................................... .(437)

Study of Multi-Functional Image-Aiming Technology.. .......................................... .(442) Xiamu Niu (Harbin Institute of Technology, China), Ping Han

Guodong Liu (Harbin Institute of Technology, China), Xiulan Ma, Shunguo Zhang and Zhaobang Pu Study of the Visual Inspection System for Vehicle Wheel Alignment ........................ (448)

Rongsheng Lu (Tianj i n University, China), Shengliua Ye, Sun Cliangku and Liu yue. VLSI Design for IIC Interface of Intelligent Instruments. ......................................... (453)

Minglun Gao (Hefei University of Technology), Yonghua Hu, Li Li and Cong Liu

Modeling of a new type of CMM using parallel-iink mechanism ................................ (458)

Dejun Liu (Harbin Institute of Teclinology), Rensheng Che, Haiwei Mu and Qingcheng Huang

Optical Measuring Techniques and Instruments

Vacuum Shielding of the Deadpath in Laser Interferometry .......................... ....( ~ 6 5 )

Zhenliang Ding (Harbin Institute of Technology, China), Zhong Chen, Feng Yuan, Jianhong Wang and Yanping Li.

BO LiU Warbin University of Science and Technology, China), Jian Zhang, Liying Wu, Optical Profiler Based on the White-Light Interfering Method .............................. (471 )

Xifu Qiang and Jianfeng Jiang.

Fan Wu (Institute of Optics and Electronics, China), Shuhua Zliang, Yao Zheng and Wen Wu A new Laser Scanning Meter Measurement Approach Using Digital Signal

Lih-horng Shyu(Nationa1 Huwei Institute of Technology, Taiwan, China), Yeli-fen Fu and Jen-Yu Shieh

A New System for Measuring the Roughness of the Super-Smooth Surface. ................. (476)

Processing.. ................................................................................................ .(483)

Fibre Optic Measurement and Instrumentation ............................................. (489)

K.T.V. Grattan (City University, London, England), T Sun

Overlay Errors in Optical Lithography ............................................................ (497) Zone-Ching Linmatiorial Taiwan University of Science and Technology, Taiwan, China), Wen-Jang Wu.

Ching-yang Cheng(Nan-Tai Institute of Technology, Taiwan, China), Chu-Wang Tsai. The Evaluation of Spherical Error by a Rapidly Searching Method ......... ...............( 508)

Chao-Kuang Chenmational Cheng-Kung University,Taiwan, China) Chien-Hong Liu

A High-speed Multi-Frame Laser Holography System and Its

'

A Verification Algorithm for Quality Assessment of Cylinders. ............................... .(503)

Application in Spray Diagnostics ..................................................................... .(513)

Yongling He(Luoyang Institute of Technology, China), Ning Liu, Daguang Xi and Shaoxi Shi. An Angular Interferometry of Large Range ...................................................... (518)

Yongchao Shi (Beijing Institute of Machinery, China), Ling Du, Bixi Yan.

Pulse Subdivision Theory of Sinusoidal-Wave-Output Grating Ruler

Jianxin Jin (Huazhong University of Science and Technology, China), Sheng Bin and Fei Li Study of the Far-Focus Optical Lever .................................................................. (527) Chunlan Yang (Harbin Institute of Technology, China), Zhaobang Pu Research on Polar-Coordinates 3-D Topography Measurement Method ..................... ($31)

Gang Xiong (Harbin Institute of Technology, China), Pengsheng Li, Fei Ma The Technique of Discrimination Focal Distance... .......................................... (836)

Jianyi Chen (Harbin Institute of Technology, China), Dingjie Xu and Kongqin Zhao

on Displacement Measure .............................................................................. .(522)

i

1st International Symposium on Instrumentation Science and 72chnoIoQ Aug. 23-26,1999, Luoyung. Cviina

- XI11 -

SPM, Micro Instruments and

Nanometer Measurement Techniques Surfaces in Nanotechnology ............................................................................ (540)

D. J. Whitehouse (Prof. Of Engineering Science University of Warwick UK)

Improving Step Height and Pitch Measurements Using the Calibrated

..... (548) Atomic Force Microscope.. ;., ..................................................................... R. Koning (National Institute of Standards and Technology, Gaitherburg, MD 20899), R. Dixson, J. Fu, V. W. Tsai, T. B. Renegar, T. Vorburger Nanometer Resolution with Dammann Grating of 50lp/mm.. ................................. .(556) Dejiao Lin (Tsinghua University, China), Chunyong Yin

..................................................... Research on Microcutting Based on LS-SPM (561 1 Jijin Zhu (Southeast University, China), Qing Zhou, Zhuhong Lu Research on the Tolerance Technique of Microelectromechanical System.. .................. ..(566) Junwei Zhao (Huazhong University of Science and Technology, China), Zhengao Xu and Zhu Li Research on Microsize Tolerance ............................................................... ...( 571)

Haifeng Du (Huazhong University of Science and Technology, China), Zhengao Xu and Junwei Zhao Microchip Lab for Medical Purpose ......................................................... ...( 576) Jiubin Tan (Harbin Institute of Technology, China), Peng Jin, Kai Sun. Research on 3D Measuring of Nanometer Sharp Profile ....................................... (580)

Tao Sun (Harbin Institute of Technology, China), Jiubin Tan, Jihua Li and Shen Dong

Machine Vision in Instruments

Using Area CCD to Detect the Optical Signal in Autocollimation.. .......................... ..(585) Feng Yuan (Harbin Institute of Technology, China), Zhenliang Ding, Zhong Clien and Shaokai Fan

Edge Detection With both Range and Intensity Information .............................. (590)

Jianying Fan(Harbin Institute of Technology, China), Liying Wu, Bo Liu and Qing Lin.

Ist International Symposium on Instrumentation Science and Technology AUK. 23-26,1999, Luoyang. China -XN-

A Laser Version Test Method for Seamless Steel Pipe Straightness .............................. (594)

Changku Sun (Tianjin University, China), Rongsheng Lu, Yue Liu, Hongyan Shi and Ye Shenghua Ye A PC-Based Character Recognition System with Correlation Method ........................ (599)

Kuang-Chyi Leernational Huwei Institute of Technology, Taiwan, China). Methods to Quantified Cluster Velocities.. .......................................................... (603)

R.F. Tsaivational Huwei Institute of Technology, Taiwan, China), S.I. Lin and G.Y. Lee. Research of Image Recognition on Printed Circuit Board Examination. ...................... .(608) Jian Wan (Huazhong University of Science and Technology, China), Xianping Cheng and Qingmao Li

Study on a Measurement System for Compression Joint Hole of PCB Using CCD ........................................................................................................... 612) Guoxi Cao (Huazhong University of Science and Technology, China), Shunian Yang and Zhengao Xu

i. 1

Automatical Measurements and Control

Quantity Control An Electricity Network Fault Wave-Form Automatic Recording System.. ................... (617) - ., Chengwei Li (Harbin Institute of Technology, China), Tianpu Jiang, Yongjian, Xifu Qiang and Jianbo Wang

........................................... Object Oriented Programming Based on VXIbus.. (62 1 ) Haitao Li (Harbin Institute of Technology,China), Ying Li Premonitory Control of Autonomous Underwater Vehicle Based on Neural Network .................................................................................................... ,( 625)

Mingjun Zhang (Harbin Engeeting University, China), Quanyu Wang,

Xiaodong Wang and Qingxin Meng

The Influence of Fieldbus System on Measurement and Control Timing ..................... (631) Rudolf Tracht(University of Essen, Germany), Thomas Eymann.

Study on Realizing Methods about Software and Hardware Based on Moving

and Measuring Dual-Purpose System Driven by Linear Motor ................................. (637) Wenhan Zen (Huazhong University of Science and Technology, China), Tiebang Xie.

I s l Internutionul Symposium on Instrumentation Science and T~chnolo~), Aug. 23-26,?999, Luoytaig. Chim

- x v -

Study on a New 5 p e Adjusting Instrument .... ................................................. (641)

Hanxin Chen (Huazhong University of Science and Technology, China), Xianping Cheng, Qingmao Li and Xuezhong Cheng Research on Internet-Based Quantity Management and Assurance System in GMS ....................................................................................................... (645) Mengqing Li (Huazhong University of Science and Technology, China), Xianping Xia, Shunian Yang and Zhixiang Chen Research on Alterable Step Length Frequency Tracing Based on Current

Feedback ................... ; .................................................................................. (651) Guangyu Zhang (Harbin Institute of Technology, China), Huijuan Dong and Qixin Zhang Application Techniques of Brushless DC Motor in the Measurement and

,

Instruments ................................................................................................ (655)

Hui Zhang (Hefei Institute of Technology, China), Qibin Feng, Wenbo Wang. The ultrasonic testing system for train wheels ................................................... (660) Xin Qi (Harbin University of Science and Technology), Juan Chen and Xiaofei Zhu Ultrasonic Apparatus of Traditional Chinese Medicine. ........................................ ..(663)

Xin Qi (Harbin University of Science and Technology), Juan Chen and Mingzhu Liu

' In Process and Online Measurements and Systems

Research on the Measurement Method for Water Content of Fluids in Oil-Wells.. ..................................................................................................... (667)

Yan Wang (Harbin Institute of Technology, China), Huiping Gu, Jigong Sun and Yaning Du

Haijun Lu (Harbin Engeeting University, China), Dingzhong Tan and Lixun Zhang.'.

' . , .

Synthesized Oil-Well Parameter Testing System ....... : .................................. ...( 673)

Flow Imaging System Based on Electromagnetic Induction .................................... (677) Xianyuan Huang (Zhejiang University, China), Hondian Zhang and Chiying Hu The 'Ibo-Level Distributional Intelligent On-Line Measurement System for the Mechatronics Parameters ............................................................ : ....... ....... (682) Hexin Zhang (Luoyang Institute of Technology, China), Binding Guo, Jianchao Li and Fuzhang Zhou

I S I inlernalional Symposium on Inslrumentulion Science und Techncilogy Aug. 23-26,1999, Luoyang. China - X W -

Research on Recognizing Processing State of Workpiece on Production Line with DigitaI Image Processing Method ............................................................ (686) Xuping Xu (Shanghai Publishing and Printing College, China), Guanhua Qiu, Renjie Zhang On-Line Detection and Measurement System for Step-Shaft .................................... (694)

Xiaohua Ni (Hefei Institute of Technology, China), Shanxi Deng, Guoqiang Lu, Qishen Huang and Hui Fu. Study on the Technique of Integrating 2D Vision Sensor into CNC Machine Tool ..........( 698) Yuqin Sun, DongYe and Rensheng Che (Harbin Institute Technology,China)

Authors' Index ........................................................................................... ..(703)

I s / ?nrernu/ionuf Symposium on Instrumentation Science and Echnolow Aug. 234'6,1999, Lunyung. China

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