针对大压力筒压力控制的大惯性特征,采用控制进出压力筒液体容积的方式,实现压力筒内部压力的精确跟踪。建立系统非线性数学模型,在平衡点处线性化系统状态方程,采用极点配置方法设计系统在平衡点处的状态反馈解耦控制器。结合增益调度...针对大压力筒压力控制的大惯性特征,采用控制进出压力筒液体容积的方式,实现压力筒内部压力的精确跟踪。建立系统非线性数学模型,在平衡点处线性化系统状态方程,采用极点配置方法设计系统在平衡点处的状态反馈解耦控制器。结合增益调度控制器设计策略,采用Back to turn(BTT)方法,得到系统全局保稳定控制器。仿真结果表明了本文所提出的控制器设计方法的有效性。展开更多
To deal with the high nonlinearities and strong couplings in the transition stage of tailsitter aircraft,an adaptive gainscheduling controller is proposed by combining the guardian maps theory and H∞control theory.Th...To deal with the high nonlinearities and strong couplings in the transition stage of tailsitter aircraft,an adaptive gainscheduling controller is proposed by combining the guardian maps theory and H∞control theory.This method is applied to track the flightpath angle of the transition stage of tailsitter aircraft,and compared with the linear quadratic regulator(LQR)method based on traditional gain scheduling.Simulation results show that the controller based on the guardian maps theory can autonomously schedule the appropriate control parameters and accomplish the stable transition.Besides,the proposed method shows better tracking performance than the LQR method based on traditional gain scheduling.展开更多
文摘针对大压力筒压力控制的大惯性特征,采用控制进出压力筒液体容积的方式,实现压力筒内部压力的精确跟踪。建立系统非线性数学模型,在平衡点处线性化系统状态方程,采用极点配置方法设计系统在平衡点处的状态反馈解耦控制器。结合增益调度控制器设计策略,采用Back to turn(BTT)方法,得到系统全局保稳定控制器。仿真结果表明了本文所提出的控制器设计方法的有效性。
基金This work was supported by the Fundamental Research Funds for the Central Universities(No.NJ2018015)。
文摘To deal with the high nonlinearities and strong couplings in the transition stage of tailsitter aircraft,an adaptive gainscheduling controller is proposed by combining the guardian maps theory and H∞control theory.This method is applied to track the flightpath angle of the transition stage of tailsitter aircraft,and compared with the linear quadratic regulator(LQR)method based on traditional gain scheduling.Simulation results show that the controller based on the guardian maps theory can autonomously schedule the appropriate control parameters and accomplish the stable transition.Besides,the proposed method shows better tracking performance than the LQR method based on traditional gain scheduling.
