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作 者:张雅琼 郭建都[1] 徐阳[1] 孙瑜[1] ZHANG Yaqiong;GUO Jiandu;XU Yang;SUN Yu(China North Vehicle Research Institute, Beijing, 100072, China)
出 处:《车辆与动力技术》2022年第1期43-51,共9页Vehicle & Power Technology
摘 要:研究了分数阶PID在稳瞄系统的控制效果.为了简化分数阶PID的设计,提出一种基于内模控制的分数阶PID设计方法:利用内模原理构造一个仅含整定参数的内模PID,然后通过增加积分阶次λ与微分阶次μ,从而获得分数阶PID控制器;这3个参数可由截止频率、相位裕度和增益鲁棒性约束确定.Matlab仿真与硬件平台试验证明,该控制器相较利用同样约束条件设计的其他控制器,可以使稳瞄系统取得更好的控制性能.The control effect of fractional-order PID(FOPID)on stabilized sight system is studied in this paper.In order to simplify the design of FOPID,a FOPID design method based on internal model control(IMC)is proposed.Firstly,an IMC-PID with only one turning parameterηis constructed by IMC,then the fractional order is added to its differential and integral terms to obtain the FOPID,finally the FOPID controller is designed by using the three constraints of Gain crossover frequency,phase and robustness.Matlab simulation experiments show that the proposed controller can achieve better performance.
分 类 号:TP273[自动化与计算机技术—检测技术与自动化装置]
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