首页|Evolutionary Decision-Making and Planning for Autonomous Driving Based on Safe and Rational Exploration and Exploitation
Evolutionary Decision-Making and Planning for Autonomous Driving Based on Safe and Rational Exploration and Exploitation
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Decision-making and motion planning are extremely important in autonomous driving to ensure safe driving in a real-world environment.This study proposes an online evolutionary decision-making and motion planning framework for autonomous driving based on a hybrid data-and model-driven method.First,a data-driven decision-making module based on deep reinforcement learning(DRL)is developed to pursue a rational driving performance as much as possible.Then,model predictive control(MPC)is employed to execute both longitudinal and lateral motion planning tasks.Multiple constraints are defined according to the vehicle's physical limit to meet the driving task requirements.Finally,two prin-ciples of safety and rationality for the self-evolution of autonomous driving are proposed.A motion envelope is established and embedded into a rational exploration and exploitation scheme,which filters out unreasonable experiences by masking unsafe actions so as to collect high-quality training data for the DRL agent.Experiments with a high-fidelity vehicle model and MATLAB/Simulink co-simulation environ-ment are conducted,and the results show that the proposed online-evolution framework is able to gen-erate safer,more rational,and more efficient driving action in a real-world environment.
Autonomous drivingDecision-makingMotion planningDeep reinforcement learningModel predictive control
Kang Yuan、Yanjun Huang、Shuo Yang、Zewei Zhou、Yulei Wang、Dongpu Cao、Hong Chen
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College of Electronic and Information Engineering,Tongji University,Shanghai 201804,China
Shanghai Institute of Intelligent Science and Technology,Tongji University,Shanghai 201210,China
School of Automotive Studies,Tongji University,Shanghai 201804,China
School of Vehicle and Mobility,Tsinghua University,Beijing 100084,China
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国家重点研发计划上海市科技计划重大项目Shanghai Gaofeng and Gaoyuan Project for University Academic Program Development for funding
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