In this paper, a sliding mode control based multifunctional power converter is presented for electric vehicles and renewable energy applications. The proposed power converter is a multi-functional converter, which has capabilities of buckboost, bidirectional functions and even fault tolerance. Each mode of operation of the proposed system were analyzed and to validate the system, a prototype test-bed is built and tested using a Digital Signal Processor (DSP). The results show that the proposed system could be applicable for energy(fuel cell/wind/solar) and electric vehicle application.
Index Termss-Fault Tolerance, Multi-Functional and Sliding Mode Control
In this paper, a simple MATLAB-SIMULINK based Digital Signal Processor(DSP) implementation for a Sliding Mode Control(SMC) is presented for power converters in electric vehicles and renewable energy applications. This proposed control and program can be used a Power Factor Corrected(PFC) converter and a bi-directional converter in those applications. Design procedures of SMC for a Power FactorCorrected converter, boost and buck converters are explained in detail. To validate the SMC controls in those power converters, a computer simulation using PSIM is performed, and a prototype test-bed is built and tested using a DSP. The results show that the simple implementation can be achieved, and be applicable for energy (fuel cell/wind/solar) and electric vehicle applications.
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