Model-Based Controller Design for a Lift-and-Drop Railway Track Switch Actuator

被引：7

作者：

Kaijuka, Precious Lorraine ^{[1
]}

Dixon, Roger ^{[2
]}

Ward, Christopher Patrick ^{[1
]}

Dutta, Saikat ^{[2
]}

Bemment, Samuel ^{[1
]}

机构：

[1] Loughborough Univ, Wolfson Sch Mech Elect & Mfg Engn, Control Syst Res Grp, Loughborough LE1 13TU, Leics, England

[2] Univ Birmingham, Sch Engn, Birmingham B15 2TT, W Midlands, England

来源：

IEEE-ASME TRANSACTIONS ON MECHATRONICS | 2019年 / 24卷 / 05期

关键词：

Switches; Mathematical model; Cams; Rails; DC motors; Rail transportation; LQR control; model validation; PI Control; position control; REPOINT switch;

D O I：

10.1109/TMECH.2019.2929961

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Track switches are essential in order to enable railway vehicles to change routes; however, they are also the largest single cause of failure on the railway network. A new generation of switching concepts are emerging from projects like In2Rail, REPOINT, and S-Code that promise to improve rail network performance through the use of new mechanisms, monitoring, and control systems. This paper focusses on modeling and control of a lab-demonstrator from the REPOINT project. Unlike conventional track switch machines, this actuator needs closed loop feedback control. First, a detailed simulation model of the actuator is developed and validated against experimental results. Two model-based control designs are then developed and tested: a classical cascaded P/PI controller and a modern state feedback controller. The two controllers are compared and it is found that, whilst there are some performance differences, both meet the requirements for use in a redundantly actuated REPOINT switch.

引用

页码：2008 / 2018

页数：11

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