光学头力矩器的研究

Research of torque in OPU

力矩器是高密度光盘系统中关键部件——光学头的可执行机构,其运动特性决定着光学头的读盘能力。本文介绍了光学头用力矩器执行器(ACT:Actuator)的基本结构及其动作原理;重点阐述了传递函数、振动特性、模式等设计相关要点。

Torque is the key components in a high-density optical disk system - the executable unit of optical head which performance determines the read/write capacity of system.This paper introduces the basic structure and action principles of torque actuator(ACT);focus on the transfer function, vibration characteristics,mode of design elements and etc.