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Passivity-Based L2-Gain Adaptive Control for Battery/Supercapacitor Hybrid Energy Storage System in Electric Vehicles

descriptionPublicationkeyboard_double_arrow_right Preprint 16 Apr 2020 English Publisher:Preprints

Authors: Zhang, Xizheng; Lu, Zhangyu;

Passivity-Based L2-Gain Adaptive Control for Battery/Supercapacitor Hybrid Energy Storage System in Electric Vehicles

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Abstract

Battery/Supercapacitor(SC) current tracking control is a key issue for hybrid energy storage system (HESS) in electric vehicles. An innovative passivity-based L2-gain adaptive control (PBL2AC) based on port-controlled Hamiltonian model with dissipativity (PCHD) for reference current tracking and bus voltage stability in HESS is presented. The developed PCHD model has considered both parameter variations and external disturbances. By using L2-gain disturbance attenuation, the PBL2AC ensures robust reference current tracking and stable bus voltage. Moreover, adaptive mechanism is adopted to estimate the electrical parameters. To validate the proposed control scheme for HESS, simulations and experiments were done and compared with traditional PID and sliding mode control under several typical driving cycles, and results show that the effectiveness of the proposed controller can be confirmed.

Related Organizations

Hunan Institute of Engineering
China (People's Republic of)
Hunan Institute of Engineering
China (People's Republic of)

Keywords

control_systems_engineering

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