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基于分数阶PIλDμ的橡胶坝充排水恒流控制

, PP. 1219-1224

Keywords: 自动控制技术,恒流控制,分数阶PIλ,,橡胶坝充排水,变结构系统

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Abstract:

针对橡胶坝充排水这一变结构、大滞后、非线性实际控制系统,提出采用能满足系统稳定性和鲁棒性要求的分数阶PIλDμ控制策略对其进行恒流控制。首先建立了橡胶坝充排水系统的数学模型,从理论上证明了分数阶PIλDμ控制器对于该系统具有较好的鲁棒特性。然后把该分数阶PIλDμ控制器数字化后应用于橡胶坝充排水实际系统中,取得了较好的控制效果。最后给出了恒流量充水过程的实际控制运行曲线,表明本文PIλDμ控制器具有较强的抗干扰性和较好的鲁棒性,达到了恒流量充排水控制的设计目标及要求。

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