Based on the analysis of essential performance needs of eddy current retarder , this paper studied the experimental method and the test - bed including ecr system ' s structure , test items and characteristics 摘要本文在分析车用电涡流缓速器性能要求的基础上，研究车用电涡流缓速器试验方法，进而研制车用电涡流缓速器性能试验台，介绍了车用电涡流缓速器试验台的结构、测试项目和特点。
Two parts are presented , silicon steel sheet thickness measuring with double eddy - current sensors , and silicon steel sheet magnetic characteristic measurement . the first one can be used in motor core height control , the other can be used in sheet testing 本论文包括了电涡流传感器测厚和硅钢片分选仪两部分，从控制铁芯叠厚和硅钢片测试鉴别两方面着手提高铁芯的生产质量。
The discontinuous phase method combined with eddy current sensor is introduced to acquire blade dynamic signal 。 the author designed the program of computing blade vibration parameters and have made computer simulation ， so we can get blade amplitude and frequency 提出采用间断相位法和电涡流传感器结合来获得叶片的振动信号，编制了测量叶片振动参数的计算程序，并进行了计算机模拟仿真，得到了叶片振动振幅和频率。
Eddy - current sensor test technology is a kind of very popular untouched nondestructive test technology developed in last decades , which makes up five major modern nondestructive test technologies together with magnetic particle test , radial test , ultrasonic test and osmosis test 电涡流传感器检测技术是近年来应用较广泛的一种无损检测方法，它同磁粉检测、超声波检测、射线检测和渗透检测统称为五大无损检测技术。
Eddy - current sensor test technology is a kind of very popular untouched nondestructive test technology developed in last decades , which makes up five major modern nondestructive test technologies together with magnetic particle test , radial test , ultrasonic test and osmosis test 电涡流传感器检测技术是近年来发展起来的很受欢迎的一种非接触无损检测技术，它同磁粉检测、超声波检测、射线检测和渗透检测一起构成了现代的五大无损检测技术。
However , recent years the study of electric eddy - current detection mostly overweights the study of measuring system , and the design of the eddy - current . methods are still equivalent magnetic circuit and equivalent electric circuit model calculation and experiment ' s experience design method 然而，近几年电涡流测量方法的研究多偏重于测量系统的研究，而对涡流检测探头的设计至今仍采用等效磁路、等效电路模型计算同实验相结合的经验设计方法。
Aimed to realize the problem of quenched rail qualification forcast through quantitative analysis of quenched rail surface hardness by eddy current , and combined the eddy current theory with the computer image processing and signal analysis , the hardness testing model is established in this paper 针对涡流无损检测淬火钢轨踏面硬度的定量分析来实现淬火钢轨质量保证预报问题，将电涡流理论与现代计算机图象处理和信号分析相结合，完成硬度测试模型建立。
The paper synoptically and comprehensively introduces eddy current theory , equivalent circuit , excitation coils , test circuit and application of the eddy - current sensors . a feasible solution of motor core height control based on silicon steel sheet thickness measuring with double eddy - current sensors is presented 论文在系统全面的分析了电涡流传感器的基本原理、等效电路、激励线圈、测量电路及应用后，提出将双探头测厚系统应用于电机铁芯叠控制。
Chapter five discussed the demands of the robotic running in the gastro intestine and designed a long distance eddy current sensor . the dissertation leads to a novel kind of method to improve the measurement precision and sensitivity . the method is to put the test signal into the chaotic dynamic system , measures the system outputs and calculates the signal in turn 论文第五章提出了机器人的控制要求，制作了测试大行程的电涡流传感器，提出了利用混沌周期解提高电涡流传感器测试精度的原理和算法，进行了分析，研究了肠道什境模拟系统和计算机测试控制系统，研究了对机器人运行速度的控制。
5 . according to the requirement of amt start up experiment , using dynamic link library to program for different kinds of data acquisition card and transferring data between pc and multi scm . in this way data can be acquired successfully and engine throttle 、 clutch locking speed and eddycurrent dynamometer torque were controlled by pc programs 根据试验要求，采用动态链接库的方法对不同数据采集卡进行混合编程，顺利地采集参数和控制发动机节气门开度及离合器结合速度，利用上下位机多机通信，使上位机控制电涡流测功机，实现了模拟加载。
