Distributed multiple unmanned surface vehicles path planning integrated control framework in complex scenarios

IF 4 3区 计算机科学 Q1 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE
Dong Xiao , Zhihang Song , Mingyuan Zhai , Nan Jiang
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引用次数: 0

Abstract

In complex interactive environments, distributed multiple unmanned surface vehicles (multi-USV) systems need to make efficient and safe collision avoidance decisions based on limited sensor information, while complying with the International Regulations for Preventing Collisions at Sea (COLREGs), which is a challenging task. In this paper, based on the Optimal Reciprocal Collision Avoidance (ORCA) algorithm, we propose a new concept: the cost of escaping velocity obstacles (VO) and effectively integrate it into the Deep Reinforcement Learning (DRL) framework. In addition, this paper considers the problem of dynamic change in the number of USVs and credit assignment, and trains a distributed multi-USV path planning policy DRL-Evoc by combining the mechanisms of curriculum learning and frame-skipping decision. To address the partial observability limitations of the DRL framework, the traditional global path planning algorithm A* is further integrated with the DRL-Evoc policy to construct the integrated control framework (ICF) for multi-USV path planning. Performance testing and comparative analysis were conducted in the Unity3D environment, demonstrating that the ICF exhibits strong collision avoidance capabilities, generalization, and compliance with COLREGs. This study provides a new approach for multi-USV path planning.
复杂场景下分布式多无人水面车辆路径规划集成控制框架
在复杂的交互环境中,分布式多无人水面车辆(multi-USV)系统需要根据有限的传感器信息做出高效、安全的避碰决策,同时遵守国际海上避碰规则(COLREGs),这是一项具有挑战性的任务。本文在最优互反碰撞避免(ORCA)算法的基础上,提出了逃逸速度障碍成本(VO)的新概念,并将其有效地集成到深度强化学习(DRL)框架中。此外,本文还考虑了usv数量和学分分配的动态变化问题,结合课程学习和跳框决策机制,训练了分布式多usv路径规划策略DRL-Evoc。为解决DRL框架部分可观测性的局限性,进一步将传统的全局路径规划算法A*与DRL- evoc策略相结合,构建多usv路径规划的集成控制框架(ICF)。在Unity3D环境下进行了性能测试和对比分析,表明ICF具有较强的避碰能力、泛化能力和符合COLREGs。该研究为多usv路径规划提供了新的思路。
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来源期刊
Computers & Electrical Engineering
Computers & Electrical Engineering 工程技术-工程:电子与电气
CiteScore
9.20
自引率
7.00%
发文量
661
审稿时长
47 days
期刊介绍: The impact of computers has nowhere been more revolutionary than in electrical engineering. The design, analysis, and operation of electrical and electronic systems are now dominated by computers, a transformation that has been motivated by the natural ease of interface between computers and electrical systems, and the promise of spectacular improvements in speed and efficiency. Published since 1973, Computers & Electrical Engineering provides rapid publication of topical research into the integration of computer technology and computational techniques with electrical and electronic systems. The journal publishes papers featuring novel implementations of computers and computational techniques in areas like signal and image processing, high-performance computing, parallel processing, and communications. Special attention will be paid to papers describing innovative architectures, algorithms, and software tools.
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