Influence Analysis of Electromechanical Servo System Parameters on Photoelectric Stability Circuit

2021 International Conference on Computer Engineering and Artificial Intelligence (ICCEAI) Pub Date : 2021-08-01 DOI:10.1109/ICCEAI52939.2021.00099

Zhi-qiang Li, Chao Song, Jie Huang, Xiao-fei Luan

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Abstract

As the basic circuit of the optoelectronic stabilized platform, the performance index of the speed control loop is affected by the electromechanical parameters and friction coefficient of the system. The frequency characteristic index of electromechanical system model is analyzed theoretically, and then the influence of electromechanical system parameters on the frequency characteristic of the system is studied. By deducing the transfer function between current input and speed output, the control effect of the electrical parameters of the motor driver on the functional loop of the outer ring of the photoelectric stabilization platform is further analyzed. The influence of electromechanical parameters on the servo performance of the system is directly analyzed through simulation analysis. The results show that the open loop amplitude-frequency characteristics of the system are not greatly changed by the current closed loop control, and the gain of the system is improved.

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机电伺服系统参数对光电稳定电路的影响分析

速度控制回路作为光电稳定平台的基础电路，其性能指标受到系统机电参数和摩擦系数的影响。从理论上分析了机电系统模型的频率特性指标，进而研究了机电系统参数对系统频率特性的影响。通过推导电流输入与速度输出之间的传递函数，进一步分析了电机驱动器的电气参数对光电稳定平台外圈功能回路的控制效果。通过仿真分析，直接分析了机电参数对系统伺服性能的影响。结果表明，电流闭环控制对系统的开环幅频特性影响不大，系统的增益得到了提高。

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2021 International Conference on Computer Engineering and Artificial Intelligence (ICCEAI)

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