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城市有轨列车自动运行系统(ATO)的研究
Study of Automatic Train Operation (ATO) System
【作者】 刘俊丽;
【作者基本信息】 北京化工大学 , 控制科学与工程, 2011, 硕士
【摘要】 随着中国的飞速发展,中国城市化进程也急剧加速,城市轨道交通工程建设和越江越海隧道的快速发展,中国城市地下空间的总体规模跃居世界前列。目前,城市地下空间的开发利用已成为提高城市容量、缓解城市交通和改善城市环境的重要手段,并逐步成为建设资源节约型、环境友好型城市的重要途径。我国的城市地下空间开发利用主要用途是建设城市地下交通,城市有轨列车可以在很大程度上缓解交通压力。列车自动控制系统不仅能够获得合理、优化的列车操纵方案,保证列车运行过程中的安全性以及乘客的舒适性,还可以有效的提高列车运行的平均速度并在一定程度上节约列车能量消耗。因此,列车自动控制系统的研究具有非常重要的实用价值。由于内模控制具有响应速度快,鲁棒性强,特别对模型的失配具有较大优势,对过程干扰的抑制能力强,因而更容易保证鲁棒性和稳定性等,可以很好地实现控制功能。本文基于直流电机的电流、转速双闭环系统进行建模,并采用内模控制算法,对电机进行控制。NI基于PXI和实时的可编程自动化控制PAC平台非常适合用于高精度的监测,因而本文利用NI公司的图形化软件LabVIEW RT(?)[实时)和PXI硬件研发基于NI可编程自动控制器(PAC)的监测和控制系统。本文还针对列车平稳性和乘客舒适度标准评价给出了算法改进。并实现了基于硬件在环的仿真测试。
【Abstract】 With the rapid development of China, urbanization of China has dramatically accelerated, the construction of urban rail transit and the development of tunnel has rapidly developed, the overall size of urban underground space of China has been the front ranks of total ranks in the world. Development and utilization of urban underground space has been an important means to enhance the city’s capacity and ease urban traffic, and an important way to build cities of resource-saving and environment-friendly.In China, construction of urban rail transit is the main meanings for using urban underground space, since urban rail trains can largely alleviate the traffic pressure. Automatic train control (ATC) system can not only be reasonable to provide the scheme to optimize the train control program, to ensure the safety of train operation and passenger comfort, but also can effectively improve the trains’ average running speed and achieve reach the purpose of saving energy. Therefore it is very important to study the Automatic train control system.Based on the current, speed dual-loop system model of DC motor, internal model control (IMC) algorithm is used to control the motor. The internal model control has the advantage of fast response, robustness, especially for the model with a larger mismatch. Since its advantage of the interference suppression ability of the process, it is easier to ensure its robustness and stability, and achieve better control.The NI PXI-based and real-time programmable automation control (PAC) platform suited for high-precision monitoring. Therefore take advantage of NI’s graphical software LabVIEW RT (real time), based on NI PXI hardware, it is convenient to develop PAC controller monitoring and control system.This article introduced improved algorithm for train stationarity and passenger comfort evaluation. As long as realized the simulation with hardware-in-the-loop.
【Key words】 Automatic Train Operation; Internal Model Control; Stationarity Evaluation; Comfort Evaluation;