Research on creep control in dual motor hybrid system

Taking into account the structural characteristics of the dual-motor hybrid powertrain, in the city low-speed operating condition, the vehicle's drive mode during the creeping operation, in order to ensure a smooth and fast vehicle creeping, a highly efficient creeping control method needs to be developed to achieve fast vehicle creeping control. The method was proposed for achieving creep control in a dual-motor hybrid vehicle configuration through power source coordination, following an analysis of the vehicle's configuration. The creep process was segmented into several parts: primary creep force, brake adjustment, and creep force rate control. Real-vehicle testing validated the effectiveness of the control method, with results indicating that during the 6-second creep process, acceleration remained below 1 <strong><i>m</i></strong>/<strong><i>s</i></strong>² and no power fluctuation occurred throughout the entire switching process.