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客运专线工程是一项复杂的系统工程,是路基、桥梁、隧道、无砟轨道等站前工程与电力、电气化、通信、信号、信息等站后工程的集合体。为满足站后工程的需要,路基、桥梁、隧道、无砟轨道等站前工程的施工都必须预留工程接口,以方便电力、电气化、通信、信号、信息等四电专业器件安置、设备安装、电缆(光缆)穿越和系统保护接地需要。 相似文献
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介绍铁路新一代客票系统,基于铁路新一代客票系统建设和运营过程中积累的大量的系统运行、业务运营等数据,结合分布式数据存储和计算框架、实时流式计算分析和大数据可视化技术等关键技术构建铁路客运大数据平台,实现了票额智能预分、铁路旅客画像和客运运营支撑等大数据应用创新。提出铁路客运大数据在扩大铁路客运业务应用范围,提升旅客出行体验,以及构建交通大数据业务生态圈等方面进一步研究的方向。 相似文献
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Based on previous studies of a highway reservation system, this paper proposed an auction-based implementation, in which the users can bid for the right to use a route during a certain period of time. This paper models the auction system with MATSim using an agent-based simulation technique. The agents adopt their own bidding logic in the auction, and the price converges after around 130 iterations, when the number of users using the reserved highway and the total collected revenue become stable. When the overall demand changes, the collected revenue ranges from 5 to 11 dollars per user, and from 0.7 to 1.5 dollars per mile. The auction system can transfer more consumer surplus to the toll road operators, since it is a personalized tolling mechanism. The users are using the reservation system as insurance of a guaranteed congestion-free travel. The auction-based highway reservation shows great potential as a new traffic management system. 相似文献
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专车服务与出租汽车市场的法律规制 总被引:1,自引:0,他引:1
多地监管部门针对专车服务所进行的黑车式查处使得中国刚刚兴起的专车服务面临困境,是否应鼓励专车服务成为时下的热点话题。为解决专车服务在中国出租汽车市场所遭遇的身份尴尬问题,综合考虑出租汽车服务的准公共性、专车服务的现实需要以及合规性等因素展开探讨。指出尽管专车服务存在不符合法规的现象,但在中国却拥有广阔的市场发展前景。进而提出对待专车服务所采取的正确措施应该是:通过完善法律法规、适度放松数量管制、适度放松价格管制、加强质量与安全管制等措施,引导、规范不符合法规的专车服务行为,实现专车服务市场的规范化。 相似文献
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客运专线站后预留接口施工管理与控制技术 总被引:1,自引:0,他引:1
结合武广客运专线站前接口施工实践,总结了客运专线站后综合预留接口施工关键工序控制措施及施工要点。 相似文献
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针对铁路综合移动通信网的组网存在的很多难题,根据以往的GSM组网技术难以解决铁路通信网组网存在的特有问题,概述铁路综合移动通信网的发展和组网技术,分析铁路通信网组网独特的特点和存在的特有难题,结合这些特点提出了解决办法;然后,重点阐述这些组网技术对现有铁路业务的适应性,以及其对未来发展铁路业务发展的支持性;着重分析和研究铁路通信网组网的关键技术问题与策略。 相似文献
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A new wavelength reservation scheme is proposed to mitigate the connection setup time and minimize the reconfiguration times
of optical cross-connects (OXCs) for WDM optical networks in this study. In this scheme, we consider the reconfiguration information
of switch fabrics in the signaling protocol, which is designated as the signaling with switch fabric status (SWFS). Distributed
reservation algorithms will reserve the wavelength with minimum of reconfiguration times of OXCs along the route. Simulation
results indicate that the proposed schemes with switch fabrics status have shorter setup time, lower switching ratio as well
as better blocking performance than those of the traditional classic schemes. Moreover, the proposed schemes with SWFS significantly
reduce the number of switch fabrics that need to be reconfigured.
Foundation item: the National Natural Science Foundation of China (Nos. 60632010 and 60572029) and the National High Technology Research and
Development Program (863) of China (No. 2006AA01Z251) 相似文献