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A novel reaching law of sliding mode control is proposed by using saturation function and power term in this paper, which aims at reducing chatting phenomenon and fastening convergence speed. It is indicated through theoretical analysis that the system under the proposed reaching law has existence and accessibility. The convergence speed is calculated in detail. The sliding mode control system of...
The control problem of vehicle DC-DC converter is the key problem of the new energy vehicle power system. In this study, Averaged state space method is used to develop converter model. the new global fast terminal sliding mode control scheme is proposed as a new approach for the voltage tracking control, a new control design method is developed to obviate the DC-DC converter disturbances. In order...
Compared with the conventional vehicles, electric vehicles (EV) has many advantages, such as absence of emissions, high efficiency, and independence from petroleum. In this paper, a Brushless DC motor (BLDCM) is used in the EV and active disturbance rejection controller (ADRC) has been applied to the speed control of the system. It can highly enhance the dynamic and steady state performances of the...
The conventional PID control can not receive satisfactory results to liquid level systems, because time delay always exists in these systems. Therefore, a kind of self-adaptive fuzzy Smith control is constructed by combining the merits of Smith predictor and fuzzy PID control, and applied to liquid level systems. The simulation results show that the proposed method can work satisfactorily.
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