In this paper,an active fault accommodate strategy is proposed for the plant in the presence of actuator fault and input constraints,which is a combination of a direct adaptive control algorithm with multiple model sw...In this paper,an active fault accommodate strategy is proposed for the plant in the presence of actuator fault and input constraints,which is a combination of a direct adaptive control algorithm with multiple model switching.The μ-modification is introduced in the model reference architecture to construct the adaptive controller.The proof of stability is based on the candidate Lyapunov function,while appropriate switching of multiple models guarantees asymptotic tracking of the system states and the boundedness of all signals.Simulation results illustrate the efficiency of the proposed method.展开更多
针对故障录波大数据传输过程中的重要参数协议数据单元(protocol data unit,PDU)及传输层数据协议单元(transport protocol data unit,TPDU),提出应用长鼻浣熊算法(coati optimization algorithm,COA)优化技术的保信主子站通信方式。基...针对故障录波大数据传输过程中的重要参数协议数据单元(protocol data unit,PDU)及传输层数据协议单元(transport protocol data unit,TPDU),提出应用长鼻浣熊算法(coati optimization algorithm,COA)优化技术的保信主子站通信方式。基于保信系统网络架构及其PDU以及TPDU参数对网络流量的影响,建立考虑录波通信时长约束与瞬时流量约束的最大流量通信模型,同时引入COA算法进行参数优化,实现该背景下最优带宽配置。开展多类别变电站通信业务测试,并考虑极限情况下通信网络压力测试,所提方法能有效提升变电站信息传输能力以及可靠性。展开更多
基金supported by the Aeronautics Science Foundation of China(No.2007ZC52039)the National Natural Science Foundation of China(No.90816023)
文摘In this paper,an active fault accommodate strategy is proposed for the plant in the presence of actuator fault and input constraints,which is a combination of a direct adaptive control algorithm with multiple model switching.The μ-modification is introduced in the model reference architecture to construct the adaptive controller.The proof of stability is based on the candidate Lyapunov function,while appropriate switching of multiple models guarantees asymptotic tracking of the system states and the boundedness of all signals.Simulation results illustrate the efficiency of the proposed method.
文摘针对故障录波大数据传输过程中的重要参数协议数据单元(protocol data unit,PDU)及传输层数据协议单元(transport protocol data unit,TPDU),提出应用长鼻浣熊算法(coati optimization algorithm,COA)优化技术的保信主子站通信方式。基于保信系统网络架构及其PDU以及TPDU参数对网络流量的影响,建立考虑录波通信时长约束与瞬时流量约束的最大流量通信模型,同时引入COA算法进行参数优化,实现该背景下最优带宽配置。开展多类别变电站通信业务测试,并考虑极限情况下通信网络压力测试,所提方法能有效提升变电站信息传输能力以及可靠性。