基于Paxos的列车自主线路资源管理系统设计

Design of Train Autonomous Way-side Resource Management System Based on Paxos

线路资源管理子系统是轨道交通列车控制系统的重要部分。近年来轨道交通运营压力增大,传统的计算机联锁设备已无法满足高速高密度运行下的线路资源管理需求。随着理论、技术的发展成熟,将原本地面设备功能分散到车载设备,通过车车、车地协同控车是下一代列控系统的发展趋势。基于车车通信的列车自主运行系统(TACS系统),是目前全球轨道交通重点攻关的下一代列控系统。其中,线路资源管理问题是TACS系统中亟待解决的热点问题。针对线路资源管理问题,提出一种以列车自主管理资源代替集中联锁的分布式架构,能提高线路资源分配灵活性且降低设备维护成本。设计了新型线路资源管理子系统结构,基于Paxos算法,在轨道交通场景下提出一种切实可行的自主资源管理机制。

The way-side resource management subsystem is an important part of the rail transit train control system.In recent years,the operating pressure of rail transit has increased,and traditional interlocking equipment has been unable to meet operational requirements.With the development of theory and technology,the integration of way-side resource management functions into vehicle equipment is the development trend of the next generation of signal systems.TACS based on vehicle-vehicle communication is the next generation train control system of global rail transit.Among them,line resource management is a hot issue in TACS system.Aiming at the problem of way-side resource management,we propose a distributed architecture that replaces centralized interlocking with autonomous train management resources,and design a new way-side resource management subsystem structure.Based on the Paxos algorithm,a feasible autonomous system is proposed in the rail transit scene,resource management mechanism.