The invention provides an automatic driving vehicle energy-saving fusion method. A motion planning system based on a model predictive control (MPC) algorithm and an energy management system based on a Pontryagin minimum principle (PMP) are included. A motion planning system based on a model predictive control (MPC) algorithm predicts driving information of a next moment by taking energy-saving, efficient and safe driving of a vehicle as a control target and taking maximum acceleration/gravitational acceleration during driving and braking of the vehicle as a constraint; an energy management system based on Pontryagin Minimum Principle (PMP) obtains optimal power distribution between an engine and a motor through observed SOC of a vehicle power battery and driving information predicted by a motion planning system based on a model predictive control (MPC) algorithm. Power distribution is carried out on different power sources in the driving process, the dynamic property and economical efficiency of the vehicle are optimized, and the application productivity and market competitiveness of automobile products are greatly improved.
本发明提出的一种自动驾驶车辆节能融合方法,包括基于模型预测控制(MPC)算法的运动规划系统和基于庞特里亚金极小值原理(PMP)的能量管理系统;基于模型预测控制(MPC)算法的运动规划系统以车辆节能、高效安全行驶为控制目标、车辆驱动和制动时的最大加速度/重力加速度为约束预测下一时刻的行驶信息,基于庞特里亚金极小值原理(PMP)的能量管理系统通过观测到的车辆动力电池SOC和基于模型预测控制(MPC)算法的运动规划系统预测出的行驶信息获得发动机与电机之间的最优功率分配。本发明在行驶过程中对不同动力源之间进行功率分配,优化了车辆的动力性和经济性,大大增加了汽车产品的应用生产力和市场竞争力。
Energy-saving fusion method for autonomous vehicle
一种自动驾驶车辆节能融合方法
2023-04-11
Patent
Elektronische Ressource
Chinesisch
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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