自适应容错跟踪控制在单元机组协调控制中的应用Application of adaptive fault-tolerant tracking control in unit coordinated control
华山,陈刚,范常浩,王枢充,刘星辰,康璐,王云峰
摘要(Abstract):
现代电力系统中单元机组协调控制面临复杂的动态特性,同时受到故障及外部扰动的影响。对此,提出了一种针对故障条件下的单元机组协调容错控制方案。首先,基于机理分析法推导出单元机组传递函数,并建立了包含执行器故障的系统数学模型,以便分析系统的稳定性和动态性能(含瞬态响应)。其次,结合自适应技术与H_∞控制等理论,设计了一种基于自适应容错的保性能跟踪控制方法。该方法能够在系统发生故障时自动补偿受损信号,同时通过性能指标优化进一步提升系统的鲁棒性与容错能力,满足跟踪精度与动态响应的综合要求。最后,以300 MW单元机组协调控制系统为例进行仿真验证,结果表明,与传统容错控制方法相比,所提方法在动态跟踪性能、抗干扰能力以及故障恢复能力方面更具优势。该方法为电力系统单元机组的安全稳定运行提供了一种可靠的控制解决方案。
关键词(KeyWords): 单元机组协调控制;自适应控制;容错控制;执行器故障;线性矩阵不等式
基金项目(Foundation): 国家自然科学基金项目(52306004)~~
作者(Author): 华山,陈刚,范常浩,王枢充,刘星辰,康璐,王云峰
DOI: 10.19666/j.rlfd.202501008
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