An Experimental Research on Active Control of Vibration Strain in a Flexible Linkage with Piezoceramic Actuators and Gage Sensors.Applications of the eigenvalue theorem on approximate optimizations of nonlinear regula...An Experimental Research on Active Control of Vibration Strain in a Flexible Linkage with Piezoceramic Actuators and Gage Sensors.Applications of the eigenvalue theorem on approximate optimizations of nonlinear regulators.Approximations to Optimal Feedback Control Using a Successive Wavelet Collocation Algorithm.Computation of Feedback Operators for Distributed Parameter Systems with Non-Normal Linearizations.展开更多
The optimal control problem was studied for linear time-varying systems,which was affected by external persistent disturbances with known dynamic characteristics but unknown initial conditions. To damp the effect of d...The optimal control problem was studied for linear time-varying systems,which was affected by external persistent disturbances with known dynamic characteristics but unknown initial conditions. To damp the effect of disturbances in an optimal fashion,we obtained a new feedforward and feedback optimal control law and gave the control algorithm by solving a Riccati differential equation and a matrix differential equation. Simulation results showed that the achieved optimal control law was realizable,efficient and robust to reject the external disturbances.展开更多
文摘An Experimental Research on Active Control of Vibration Strain in a Flexible Linkage with Piezoceramic Actuators and Gage Sensors.Applications of the eigenvalue theorem on approximate optimizations of nonlinear regulators.Approximations to Optimal Feedback Control Using a Successive Wavelet Collocation Algorithm.Computation of Feedback Operators for Distributed Parameter Systems with Non-Normal Linearizations.
基金the National Natural Science Foundation of China (Grant No.60074001)the Natural Science Foundation of Shandong Province (Grant No.Y2000G02).
文摘The optimal control problem was studied for linear time-varying systems,which was affected by external persistent disturbances with known dynamic characteristics but unknown initial conditions. To damp the effect of disturbances in an optimal fashion,we obtained a new feedforward and feedback optimal control law and gave the control algorithm by solving a Riccati differential equation and a matrix differential equation. Simulation results showed that the achieved optimal control law was realizable,efficient and robust to reject the external disturbances.
