利用模拟退火优化快速反射镜控制策略

龙柏君; 欧龙; 向汝建; 李国会

doi:10.3788/OPE.20162409.2232

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利用模拟退火优化快速反射镜控制策略

微纳技术与精密机械 | 更新时间：2020-07-07

- 利用模拟退火优化快速反射镜控制策略
- Optimization of control strategy for FSM system by using simulated annealing algorithm
- 光学精密工程 2016年24卷第9期页码：2232-2239
- 作者机构：
  
  1.中国工程物理研究院应用电子学研究所, 四川绵阳 621900
  2.中国工程物理研究院高能激光科学与技术重点实验室, 四川绵阳 621900
- 作者简介：
  
  龙柏君(1991-), 男, 重庆人, 硕士, 实习研究员, 2013年、2015年于哈尔滨工业大学分别获得学士、硕士学位, 主要从事光机控制方面的研究。E-mail:longbaijun199126@hotmail.com LONG Bai-jun, E-mail: longbaijun199126@hotmail.com
  [ "欧龙(1984-), 男, 四川江油人, 硕士, 助理研究员, 2005年于国防科技大学获得学士学位, 2008年于中科院光电所获得硕士学位, 主要从事快反镜控制电路设计与控制算法研究。E-mail:oulonghh@163.com" ]
- 基金信息：
  
  国家863高技术研究发展计划资助项目(2015AA8022006)
- DOI：10.3788/OPE.20162409.2232
  中图分类号： TH703;TH243
- 收稿日期：2016-05-06，
  
  录用日期：2016-6-7，
  
  纸质出版日期：2016-09
- 稿件说明：
移动端阅览
龙柏君, 欧龙, 向汝建, 等. 利用模拟退火优化快速反射镜控制策略[J]. 光学精密工程, 2016,24(9):2232-2239.

Bai-jun LONG, Long OU, Ru-jian XIANG, et al. Optimization of control strategy for FSM system by using simulated annealing algorithm[J]. Optics and precision engineering, 2016, 24(9): 2232-2239.
龙柏君, 欧龙, 向汝建, 等. 利用模拟退火优化快速反射镜控制策略[J]. 光学精密工程, 2016,24(9):2232-2239. DOI： 10.3788/OPE.20162409.2232.

Bai-jun LONG, Long OU, Ru-jian XIANG, et al. Optimization of control strategy for FSM system by using simulated annealing algorithm[J]. Optics and precision engineering, 2016, 24(9): 2232-2239. DOI： 10.3788/OPE.20162409.2232.

摘要

由于快速反射镜（FSM）系统在不同应用场合下需要不同有效带宽和闭环带宽，本文基于压电FSM控制系统建立系统模型，通过分析系统光轴抖动情况，对FSM控制算法进行了优化。首先，测得系统闭环Bode图，利用模拟退火算法求取系统传递函数；然后，结合辨识模型与模拟退火算法，提出了一种满足不同应用场合的全局最优PID控制器。最后，通过阶跃响应测试验证辨识模型的正确性，通过闭环实验测试验证最优控制器的有效性。结果表明，辨识模型与实际系统在中低频段符合得很好，阶跃响应曲线基本一致。采用最优控制器控制的系统有效带宽为35 Hz，闭环带宽为70 Hz，跟踪精度提高了47%，基本满足当前实验环境下对FSM性能的要求。提出的系统显示良好的低频跟随能力和高频干扰抑制能力，跟踪精度高，器件损耗小。

Abstract

Fast Steer Mirrors(FSMs) should possess different effective bandwidths and close bandwidths under different situations. So this paper establishes a system model based on a piezoelectric FSM control system

and optimizes the control strategy for the FSM system by analyzing the jitter of an optical axis. Firstly

close loop Bode figure of the system was measured

the simulated annealing algorithm was used to achieve the modulation transfer function of the system model. By combining simulated annealing algorithm and the identified model

an optimal PID controller to meet all kinds of applications was presented. Finally

the step response tests were used to verify the correctness of the identification model

and the closed-loop tests were taken to validate the effectiveness of the optimal controller. Experimental results indicate that the indentified model fits the FSM system very well in low-middle frequency stage

its step response is similar. The system controlled by the optimal controller has a closed-loop bandwidth of 70 Hz

an effective bandwidth of 35 Hz

and the tracking accuracy is improved by 47%

meeting the requirements of FSMs in the current environment. It concludes that the system has good low frequency tracking ability and high frequency interference rejection ability

showing high tracking precision and low device loss.

关键词

Keywords

references

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