光学头多维力矩器的多学科设计

一、简介力矩器(Actuator)是目前光盘读写装置内的关键部件。当光盘处于高速旋转的工作状态时,由于各种误差的存在,盘片总是会产生一定的上下起伏、倾斜以及轨道偏移,从而导致信息轨道的读取产生一定超出光学容差范围的偏差。这种偏差将导致信号读出误码率的增加,甚至使光学头无法工作。为了提高光

Multi-discipline design for multi-dimensional actuator used in optical pickup

The actuator is one of the most important components in the optical disk system.For the design of the actuator,the physical model should be established first,which needs a lot of knowledge related to the mechanics,magnetic,electronics and fluids.This paper will give a brief introduction on the subjects concerning the actuator design process,the design methods and optimization methods.