CBTC与ATP/TD融合车载系统设计
徐旦1黄雪兰1陈先宽2章丽萍1
Design of CBTC and ATP/TD Integrated On-board System
XU Dan1HUANG Xuelan1CHEN Xiankuan2ZHANG Liping1
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作者信息:1.绍兴职业技术学院机电工程与交通学院，312085，绍兴
2.浙江众合科技股份有限公司，310051，杭州
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Affiliation:1.School of Electromechanical Engineering and Transportation, Shaoxing Vocational & Technical College, 312085, Shaoxing, China
2.UniTTEC Co., Ltd., 310051, Hangzhou, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2024.08.051
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中图分类号/CLCN:U231.7
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栏目/Col:应用技术
摘要:
［目的］重庆轨道交通2号线为应对不断增长的客流需求，需要对先期开通的较场口—新山村段信号系统进行升级改造，根据业内专家建议，推荐采用CBTC(基于通信的列车控制)系统与ATP(列车自动防护)/TD(列车位置检测)两种通信制式共存并实现贯通运营。［方法］将独立车载系统与融合车载系统两套方案进行技术参数比选，提出兼容CBTC及ATP/TD两种制式的融合车载系统设计方案。考虑既有车辆车载设备安装空间并尽可能控制车载设备改造规模，保留位置检测机柜和ATP单元接收柜，新增VOBC(车载控制器)机柜代替原ATP单元控制柜，并对车载设备系统功能进行重新分配；对ATP/TD制式段驾驶模式重新设计，取消原有无地面ATP信号模式和限制人工驾驶模式；结合系统功能设计对融合车载系统与车辆接口进行重点改造；同时在CBTC制式段与ATP/TD制式段交接区改造一座车站作为驾驶模式切换站，在后期开通的新山村至鱼洞段采用ATP/TD制式，较场口至新山村段则采用CBTC制式。［结果及结论］融合车载系统方案可实现列车在CBTC和ATP/TD两种通信制式间平滑过渡，贯通运营，且方案实施的技术风险较低、改造工程投资较低。
Abstracts:
［Objective］ In response to the continuously increasing passenger demands, Chongqing Rail Transit Line 2 requires signaling system upgrading and renovation for the previously launched Jiaochangkou-Xinshancun Interval. Based on recommendations from industry experts, it is proposed to implement a coexisting through-operation of CBTC (communication-based train control system) with ATP (automatic train protection) / TD (train position detection) systems. ［Method］ A technical parameter comparison is conducted between the two schemes with independent and integrated on-board systems. A design scheme for an integrated on-board system compatible with both CBTC and ATP/TD systems is presented. Consideration is given to the installation space of existing vehicle on-board equipment, and efforts are made to control the scale of on-board equipment modification. This includes retaining the position detection cabinet and ATP unit receiving cabinet, introducing a new VOBC (vehicle on-board controller) cabinet to replace the original ATP unit control cabinet, and redistributing on-board equipment system functionalities. The driving modes of ATP/TD systems are redesigned, eliminating the original ground ATP signal availability mode and restricted manual operation mode. The design of the integrated on-board system and vehicle interface is emphasized considering system functionality. Additionally, a station is renovated as a driving mode switching station in the transition area between CBTC and ATP/TD system segments. The ATP/TD system is adopted for the later launched Xinshancun-Yudong Interval, while the CBTC system is employed for Jiaochangkou-Xinshancun Interval. ［Result & Conclusion］ Research results show that, the integrated on-board system scheme facilitates smooth signaling system transition between CBTC and ATP/TD for trains, enabling through-operation with relatively low technical risks and investment costs for implementation.
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