Abstract. In this paper, a robust passive fault-tolerant control (RPFTC) strategy based on / approach and an integral sliding mode passive fault tolerant control (ISMPFTC) strategy based on / approach for vehicle active suspension are presented with considering model uncertainties, loss of actuator effectiveness and time-domain hard constraints of the suspension system. performance index less than and performance index is minimized as the design objective, avoid choosing weighting coefficient. The half-car model is taken as an example, the robust passive fault-tolerant controller and the integral sliding mode passive fault tolerant control law is designed respectively. Three different fault modes are selected. And then compare and analyze the control effect of vertical acceleration of the vehicle body and pitch angular acceleration of passive suspension control, robust passive fault tolerant control and integral sliding mode passive fault tolerant control to verify the feasibility and effectiveness of passive fault tolerant control algorithm of active suspension. The studies we have performed indicated that the passive fault tolerant control strategy of the active suspension can improve the ride comfort of the suspension system.
Analysis of harmonic generation and hazards of electric vehicle charging/ battery swap station, suitable harmonic control method was proposed. Introduced new low-harmonic charger applications, the calculation of the harmonic content, the harmonic treatment data analysis.
Regarding the development of the electric vehicle replacement charging stations, this paper comes up with the application solution of RFID technology in the electric vehicle battery replacement charging stations. This paper first analyzes the specific characteristics of the RFID technology, provides an overview on the RFID technology solution to solve the management problem of the battery compartment, introduces the RFID technology application on the management of charging vehicles, as well as on the unified management of battery compartment in battery replacement charging stations. The paper makes the outlook on the RFID technology application in other fields of the electric vehicle replacement charging stations.
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