摘要
为了解决行车取力发电容积调速系统输入转速扰动引起的马达转速波动的问题,提出了应用PID+前馈控制算法进行补偿控制的方法,建立泵-马达容积调速系统Simulink仿真模型,分析系统输入转速变化时系统的响应特性,对前馈+PID控制算法进行仿真研究,通过实验对系统的输入转速特性以及控制算法进行研究。实验得到了系统的转速特性曲线,实验结果表明:针对抑制输入转速扰动引起的马达转速波动的问题,前馈+PID控制相对常规PID控制系统的瞬态误差减小了13%,调整时间缩短了1.5s。研究结果对改善行车取力发电系统的发电质量具有重要意义。
PID control algorithm based on feed-forward compensation was proposed to solve the fluctuation problem of hydraulic motor speed,caused by the fluctuation of input speed of the volume speed-modulating system. In order to analyze the response characteristic of the system and study PID control algorithm based on feed-forward compensation,simulation model of the hydraulic transmission system for the driving force power station was conducted. Characteristics of system and control algorithm were studied by experiments. The experimental results show that dynamic errors of the system reduce by 13% and setting time is cut by 1.5 seconds via PID control algorithm based on feed-forward compensation compared with PID control algorithm. The research results have important meaning for improving power quality of the driving force power station system.
作者
王黎光
徐海波
王威威
李奔
WANG Li-guang;XU Hai-bo;WANG Wei-wei;LI Ben(Institute of Systems Engineering,CAEP,Sichuan Mianyang 621900,China;School of Mechanical Engineering,Xi’an Jiaotong University,Shaanxi Xi’an 710049,China)
出处
《机械设计与制造》
北大核心
2018年第7期147-150,共4页
Machinery Design & Manufacture
关键词
容积调速
输入转速扰动
前馈补偿
恒速控制
Volume Speed-Modulating
Fluctuation of Input Speed
Feed-Forward Compensation
Constant Speed Control
