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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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基于发电单元完整模型的backstepping控制
, PP. 100-105
Keywords: 发电单元,动态面控制,高阶非线性,完整数学模型,反推设计方法,参数不确定性
Abstract:
针对发电单元高阶非线性完整数学模型(锅炉、汽轮机和发电机模型),结合系统参数的不确定性,采用backstepping动态面控制方法设计了一种鲁棒自适应控制器。在反推设计过程中引入了虚拟控制器和一阶低通滤波器,从而避免了对模型非线性进行多次微分而引起的算法复杂性,使设计方法简化。理论分析和仿真结果均表明,该控制器能够保证闭环系统的半全局渐近稳定性,对系统参数的不确定性具有较强的鲁棒性,在系统发生故障时能够使系统稳定运行。
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