节点文献
面向芯片封装的高速精密定位平台控制系统设计
Design of Motion Control System with High Speed and High Precision Positioning Platform for IC Package
【摘要】 为提高芯片封装的加工精度和效率,提出了一种由音圈电机驱动的二自由度高速精度定位平台,并基于音圈电机的性质和平台结构的动态分析,建立了平台控制系统数学模型.为降低高速频繁起停过程中定位系统产生的残余振动,以最小的超调量快速达到稳态响应允许波动范围的最小节拍响应控制策略来进行参数优化.通过进行系统理论仿真和实验验证,结果表明,所设计的控制系统,稳定时间小于20 ms,运动加速度可达8g,定位精度小于2μm,重复定位精度为1μm左右,该控制系统动态品质优良,鲁棒性好.
【Abstract】 To improve the precision and efficiency of the integrated circuit (IC) package,a 2-DOF high speed and high precision XY positioning table driven by voice coil actuator is presented.Based on the dynamic analysis of the table structure and the characteristic of the actuator,mathematical model of the control system is given. Considering the remnant librations during the high frequent starts and stops,the minimum deadbeat response controlling algorithm is introduced to the control system to reduce the mechanical resonance at high acceleration and deceleration rates.The results of the simulation and experiment show that the positioning system using a- bove control algorithm has a setting time of lower than 20 ms,an acceleration of 8g,a positioning accuracy of lower than 2μm,and a positioning accuracy of repeatability of about 1μm.It indicated the system is robust and has good dynamic characteristics.
【Key words】 integrated circuit; wire bonding; voice coil actuator; minimum deadbeat response;
- 【文献出处】 天津大学学报 ,Journal of Tianjin University , 编辑部邮箱 ,2006年09期
- 【分类号】TN405.94;TP273.5
- 【被引频次】35
- 【下载频次】474