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Implementation of Wavelet-Based Controller for Battery Storage System of Hybrid Electric Vehicles

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2 Author(s)
Khan, M.A.S.K. ; Dept. of Electr. Eng., Univ. of British Columbia, Vancouver, BC, Canada ; Rahman, M.A.

This paper presents a wavelet-based multiresolution proportional integral derivative (MRPID) controller for temperature control of the ambient air of battery storage system of the hybrid electric vehicles. In the proposed wavelet MRPID controller, the discrete wavelet transform (DWT) is used to decompose temperature error into frequency components at various resolution of the error signal. The wavelet transformed coefficients are scaled by suitable gains and then added together to generate the control signal of thermal system. The proposed wavelet controller is implemented for battery storage system in both simulation and experiments. The digital signal processor board is used for real-time implementation of the proposed controller. The performance of the proposed wavelet-based MRPID controller is compared with conventional proportional-integral-derivative (PID) and adaptive neural network controllers. The proposed wavelet controller for battery storage system is found more robust and quicker than the conventional and adaptive controllers.

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Industry Applications, IEEE Transactions on  (Volume:47 ,  Issue: 5 )