For dealing with large static error due to poor immunity of the traditional fuzzy control, a novel interval type-2 fuzzy control system is proposed. By extending the typical membership functions to interval type-2 mem...For dealing with large static error due to poor immunity of the traditional fuzzy control, a novel interval type-2 fuzzy control system is proposed. By extending the typical membership functions to interval type-2 membership functions, the proposed control system can efficiently reduce the uncertain disturbance from real environment without increasing the design complexity. The simulation results on the water tank level control system showed that the proposed method succeeded in better static and dynamic control with stronger robust performance than the traditional fuzzy control method.展开更多
This paper addresses a hierarchical sliding-mode control method for an inverted pendulum system. In this method, the system states are divided into two groups and a kind of two-layer sliding plane is constructed. We c...This paper addresses a hierarchical sliding-mode control method for an inverted pendulum system. In this method, the system states are divided into two groups and a kind of two-layer sliding plane is constructed. We can derive the sliding-mode control law which includes the equivalent control of every sub-sliding plane by using Lyapunov law, therefore the total sliding-mode control law can drive every subsystem to move along its own sub-sliding plane, then the asymptotical stability of all the sliding planes is proved.展开更多
基金Supported by Program for Liaoning Excellent Talents in University (LJQ2011032)the National Natural Science Foundation of China (61203021)the National Science and Technology Support Program (2012BAF05B00)
文摘For dealing with large static error due to poor immunity of the traditional fuzzy control, a novel interval type-2 fuzzy control system is proposed. By extending the typical membership functions to interval type-2 membership functions, the proposed control system can efficiently reduce the uncertain disturbance from real environment without increasing the design complexity. The simulation results on the water tank level control system showed that the proposed method succeeded in better static and dynamic control with stronger robust performance than the traditional fuzzy control method.
文摘This paper addresses a hierarchical sliding-mode control method for an inverted pendulum system. In this method, the system states are divided into two groups and a kind of two-layer sliding plane is constructed. We can derive the sliding-mode control law which includes the equivalent control of every sub-sliding plane by using Lyapunov law, therefore the total sliding-mode control law can drive every subsystem to move along its own sub-sliding plane, then the asymptotical stability of all the sliding planes is proved.
