Drive force allocation control based on pump displacement optimization for hydraulic hybrid motor-assisted system
Xuanming Zhang,
Dongpo Yang,
Chaosheng Duan
et al.
Abstract:To achieve rational coordination of the front and rear axle torque of commercial vehicles equipped with hydraulic hybrid motor-assisted systems (HHMAS), and further enhance the vehicle’s fuel efficiency and traction capability. A hydraulic pump displacement control strategy based on energy-efficiency-orientation (EEO) is proposed for driving force distribution. Firstly, the efficiency is analyzed from the perspective of system energy flow. Then, considering the time-varying efficiency characteristics of the hy… Show more
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