Multi-Objective Collaborative Control Method for Multi-Axle Distributed Vehicle Assisted Driving
نویسندگان
چکیده
For human–machine collaborative driving conditions, a hierarchical chassis multi-objective cooperative control method is proposed in this paper. Firstly, based on the phase plane theory, vehicle dynamics analysis carried out to complete definition of stability region. Secondly, linear time-varying (LTV) system model, strategy combining fuzzy with model predictive (MPC) upper layer. In strategy, assisted weight adjustment coefficient and are obtained by mapping cooperation index region, respectively, optimization objectives MPC designed above coefficients. lower layer torque allocation introduced achieve tire load rate energy efficiency. efficiency optimization, an optimal point-based tracking avoid nonlinearity caused introduction motor loss models. Simulation results show that can effectively alleviate conflicts improve handing stability. It also smaller through reduce consumption approximately 8% compared inter-axle strategy. This study helps promote improvement comprehensive performance vehicles cooperation, handling stability, energy-saving distribution.
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ژورنال
عنوان ژورنال: Applied sciences
سال: 2023
ISSN: ['2076-3417']
DOI: https://doi.org/10.3390/app13137769