基于根轨迹法与串联PID法的激光操作控制系统设计

New Design of Laser Operation Control System Based on Root Locus Method and Series PID Correction Method

激光操作控制系统用于外科手术时,其稳态误差和响应速度直接影响手术结果。采用PID控制器串联校正法设计的激光操作控制系统,设计方案得到改进。仿真结果表明,校正后的系统性能得到明显改善,稳态误差明显减小。校正后的控制系统始终是稳定的,系统性能和控制精度都达到令人满意的结果,能够提高控制系统的速度和精确度。

When we use laser operation control system in surgery, its stable error and response speed can at- fect the surgery results directly. The design scheme can be improved by using series PID method to correct laser operation control system. We draw a conclusion that the corrected system can improve system per- formance and can reduce stable error by simulation. Its system performance and control precision can reach satisfactory destination, furthermore, the corrected system is stable always. Moreover, it can improve the speed and precision of the control system.