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Inverter control is to enable the inverter output sinusoidal voltage stability, dynamic response, robustness. Uses the current SPWM to control the inverter and design the closed-loop transfer function of system based on ITAE optimal model, get the controller parameters. To control the inverter with the optimized parameters, simulation results show the current inverter SPWM control system can adapt...
In this paper, a class of nonlinear controllers is proposed for rotational maneuvers of spacecraft with a pair of flexible appendages attached. With the application of proposed nonlinear feedback torque, dynamic equations of the flexible spacecrafts are converted into the linear parameter-varying (LPV) form. Regional pole assignment for the resultant LPV system is performed via secondary linear state...
This paper studies the fixed-order controllers design problem for multi-input-multi-output (MIMO) systems. Polynomial methods are employed to design a controller that guarantees all the closed-loop poles reside within given D-stability regions. An Hinfin optimization approach is proposed to minimize the interaction between different channels of the MIMO system. Sufficient conditions for the existence...
In this paper, a distributed robust control scheme is proposed for formation stabilization of noholonomic wheeled mobile robots (WMRs) with parametric uncertainty and actuator saturations. A quasi-LPV model is first established to describe the error dynamics of each WMR. For a given cost function, we generate distributed optimal control problems for each interacting robot whose error dynamics and...
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