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干货 | 基于深度强化学习的轨迹规划(附代码解读)
自动驾驶之心· 2025-07-29 23:32
Core Viewpoint - The article discusses the advancements and applications of reinforcement learning (RL) in the field of autonomous driving, highlighting its potential to enhance decision-making processes in dynamic environments. Group 1: Background and Concepts - The concept of VLA (Variational Learning Algorithm) and its relation to embodied intelligence is introduced, emphasizing its similarity to end-to-end autonomous driving [3] - Reinforcement learning has gained traction in various industries following significant milestones like AlphaZero in 2018 and ChatGPT in 2023, showcasing its broader applicability [3] - The article aims to explain reinforcement learning from a computer vision perspective, drawing parallels with established concepts in the field [3] Group 2: Learning Methods - Supervised learning in autonomous driving involves tasks like object detection, where a model is trained to map inputs to outputs using labeled data [5] - Imitation learning is described as a method where models learn actions by mimicking human behavior, akin to how children learn from adults [6] - Reinforcement learning differs from imitation learning by focusing on optimizing actions based on feedback from interactions with the environment, making it suitable for sequential decision-making tasks [7] Group 3: Advanced Learning Techniques - Inverse reinforcement learning is introduced as a method to derive reward functions from expert data, particularly useful when defining rewards is challenging [8] - The Markov Decision Process (MDP) is explained as a framework for modeling decision-making tasks, where states, actions, and rewards are interrelated [9] - Dynamic programming and Monte Carlo methods are discussed as techniques for solving reinforcement learning problems, emphasizing their role in optimizing decision-making processes [11][12] Group 4: Reinforcement Learning Algorithms - Various reinforcement learning algorithms are categorized, including on-policy and off-policy methods, highlighting their differences in training stability and data utilization [25][26] - The article outlines key algorithms such as Q-learning, SARSA, and policy gradient methods, explaining their mechanisms and applications in reinforcement learning [27][29] - Advanced algorithms like TRPO and PPO are presented, focusing on their strategies for ensuring stable training and optimizing policy updates [57][58] Group 5: Applications in Autonomous Driving - The importance of reward design in autonomous driving is emphasized, with safety, comfort, and efficiency being key factors [62] - The article discusses the need for closed-loop training systems in autonomous driving, where vehicle actions influence the environment, necessitating dynamic modeling of other vehicles [62] - The integration of end-to-end learning with reinforcement learning is highlighted as a method to adapt to changing environments in real-time [63]