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1、^'oft/iwestVnh^ersityforj^ationaRtiesTranslationofTechnologyEnglishWhatandWhyofaMachineServoStudentID:P111813881Class:2Name:ShaodonqHeApril21,20014WhatandWhyofaMachineServoShaodongHe1a,YongmeiMa2,b1CollegeofElectricalEngineering,NorthwestUniversityforNationalities,Lanzhou,
2、Gansu2CollegeofElectricalEngineering,NorthwestUniversityforNationalities,Lanzhou,Gansua502102088@qq.com,b1423407061@qq.comKeywords：:Servocontrol,feedback,servodrives,ACservodriveindustry,transistors,electricdrives,servosystems.Abstract：Servosystemisusedtoaccurate!yreproduc
3、eorfollowaprocessoffeedbackcontrolsystcms.ServoderivedfromtheEnglishword"Servo",asthenamesuggests,referstoanexternalsystemtofollowinstructionsthatpeopleexpectmovement,andthemovementofelementswhichincludeposition,speedandtorqueandotherphysicalquantities.Reviewservosystemdev
4、elopmentprocess,fromtheearliesthydraulic,pneumdtictotoday'selectrifiedbyaservomotor,feedbackdeviceandthecontrollerconsistsofaservosystem.Today,astechnologycontinuestomature,ACservomotortechnologywithitsexcellentvalueformoney,andgraduallybecomethedominantexecutivetoreplaceD
5、Cmotorservosystem.ACservosystemtechnologyalsomakesthemarketmaturesshowingrapiddiversification.什么是伺服机器及为什么何绍东h",马永梅2上1甘肃省兰州市西北民族人学榆中校区电气工程学院卅肃省兰州市西北民族大学榆中校区电气工程学院8502102088@qq.com,b1423407061@qq.com关键字：伺服控制，反馈，伺服驱动，交流电工业伺服驱动器，品体管，电动驱动，伺服系统。摘要：伺服系统是用来精确地跟随或复现某个过程的反馈控制系统。伺服源自
6、英文单词“Servo”，顾名思义，就是指系统跟随外部指令进行人们所期望的运动，而其屮的运动耍素包括位登、速度和力矩等物理量。回顾伺服系统的发展历程，从最早的液压、气动到如今的电气化，山伺服电机、反馈装置与控制器组成的伺服系统。如今，随着技术的不断成熟，交流伺服电机技术凭借其优异的性价比，逐渐取代直流电机成为伺服系统的主导执行电机。交流伺服系统技术的成熟也使得市场呈现出快速的多元化发展。Article：Thecontrolusershouldbefamiliarwithservos.Theuserwillunderstandwhataserv
7、oisandwhyitisrequiredinsomanyapplication.Thisdiscusswillanswerthesetwobasicquestions:Whatisaservo?Whyuseaservo?用户应该熟悉伺服系统控制。用户会理解什么是伺服和为什么它需要在很多应用程序中。这个讨论将回答这两个基本问题:什么是伺服吗？为什么要使川伺服？Whyuseaservo?Anydiscussionofservoswillhavetoemploytheterm“feedback：Werequireinformationtobe“
8、fedback，'toussothatwecanperformnormalactivitiesthousandsoftimeseveryday.Whencontrollingac
