程控超声加工电源的频率跟踪和恒幅控制  

The contral of frequency tracking and amplitude stabilizing in program-controlled ultrasonic machining power

作　　者：刘殿通[1] 于思远[1] 刘金华[1] 刘文芝[1] 陈锡让[1] 

机构地区：[1]天津大学

出　　处：《电加工与模具》2000年第2期23-25,共3页Electromachining & Mould

基　　金：国家自然科学基金资助项目!(59675068)

摘　　要：频率跟踪和恒定振幅控制是超声加工电源两个重要的特性。本文用电路理论分析了电流作了反馈控制量的理论依据 ,介绍了发生器的结构、频率跟踪和恒幅输出的实现方法 。Frequency automatic tracking and amplitude stabilizing are two important characteristics of ultrasonic machining power. In this paper, the reason of treating current as feedback is analyzed with circuit theory, the system of ultrasonic generator controlled with a single-chip computer and the realization methods of frequency tracking and amplitude stabilizing are introduced, the software of adaptive tracking and PID are completed.

关 键 词：频率跟踪 恒幅控制 程控超声加工电源 

分 类 号：TG663[金属学及工艺—金属切削加工及机床]