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非线性状态PI汽门控制器的研究
引用本文:康忠健,陈学允.非线性状态PI汽门控制器的研究[J].电工技术学报,2001,16(1).
作者姓名:康忠健  陈学允
作者单位:哈尔滨工业大学电气工程系
摘    要:针对电力系统的强非线性和不确定性,设计了非线性状态PI汽门控制器。直接对其不确定对象进行设计,避免了反馈线性化非线性汽门控制由于数学模型的误差而影响控制器性能的缺点。所得的控制规律与系统运行点和网络结构完全无关,同时控制器本身结构简单,仅需发电机局部信息,易于在多机系统中实现分散协调控制。仿真计算表明,非线性状态PI汽门控制器能有效地提高系统的暂态稳定性。

关 键 词:电力系统稳定  汽门控制  非线性状态PI控制  鲁棒控制

The Research on Nonlinear State PI Valve Controller
Kang Zhongjian,Chen Xueyun.The Research on Nonlinear State PI Valve Controller[J].Transactions of China Electrotechnical Society,2001,16(1).
Authors:Kang Zhongjian  Chen Xueyun
Affiliation:Harbin Institute of Technolo gy 150001 China
Abstract:As for the strong nonlinear and uncertain characteris tic of the power system, the nonlinear state PI valve controller is proposed in this paper. The controller is designed for the uncertain model object and the sh ortcoming of feedback linearization nonlinear valve controller, which its perfor mance is affected by the mathematical model error, is avoided. The control law i s completely independent on the operation condition and the net structure of the power system. The controller structure is simple and only local information of generator is needed. The decentralized valve controller can be accomplished easi ly. The simulation suggests that the nonlinear state PI valve controller is sati sfied for improvement of power system.
Keywords:Power system stability  Valve control  Nonlinear  state PI control  Robust control
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