An extremum seeking based control strategy for pantograph-catenary contact force of high-speed trains

2015 ◽  
Author(s):  
Haikuan Jiang ◽  
Jianfeng Liu ◽  
Heng Li ◽  
Zhiwu Huang
Keyword(s):  
Contact Force ◽  
Control Strategy ◽  
High Speed ◽  
Extremum Seeking ◽  
High Speed Trains

scholarly journals Active Control of Contact Force for a Pantograph-Catenary System

2016 ◽  
Vol 2016 ◽  
pp. 1-7 ◽  
Author(s):  
Jiqiang Wang
Keyword(s):  
Active Control ◽  
Contact Force ◽  
High Speed ◽  
Large Scale ◽  
Vibration Suppression ◽  
Numerical Study ◽  
Primary Objective ◽  
Geometric Framework ◽  
High Speed Trains ◽  
Catenary System

The performance of the high speed trains depends critically on the quality of the contact in the pantograph-catenary interaction. Maintaining a constant contact force needs taking special measures and one of the methods is to utilize active control to optimize the contact force. A number of active control methods have been proposed in the past decade. However, the primary objective of these methods has been to reduce the variation of the contact force in the pantograph-catenary system, ignoring the effects of locomotive vibrations on pantograph-catenary dynamics. Motivated by the problems in active control of vibration in large scale structures, the author has developed a geometric framework specifically targeting the remote vibration suppression problem based only on local control action. It is the intention of the paper to demonstrate its potential in the active control of the pantograph-catenary interaction, aiming to minimize the variation of the contact force while simultaneously suppressing the vibration disturbance from the train. A numerical study is provided through the application to a simplified pantograph-catenary model.

scholarly journals Adaptive and Robust Fault-Tolerant Tracking Control of Contact force of Pantograph-Catenary for High-Speed Trains

2015 ◽  
Vol 48 (21) ◽  
pp. 740-745 ◽  
Author(s):  
Kang-K Zhang ◽  
Zehui Mao ◽  
Bing Jiang ◽  
Xing-Gang Yan
Keyword(s):  
Contact Force ◽  
Tracking Control ◽  
High Speed ◽  
Fault Tolerant ◽  
High Speed Trains

scholarly journals Adhesion Control Strategy Based on the Wheel-Rail Adhesion State Observation for High-Speed Trains

Electronics ◽  
2018 ◽  
Vol 7 (5) ◽  
pp. 70
Author(s):  
Xiaochun Fang ◽  
Shuai Lin ◽  
Zhongping Yang ◽  
Fei Lin ◽  
Hu Sun ◽  
...  
Keyword(s):  
Control Strategy ◽  
High Speed ◽  
State Observation ◽  
High Speed Trains ◽  
Adhesion Control

Estimator-based multiobjective robust control strategy for an active pantograph in high-speed railways

2017 ◽  
Vol 232 (4) ◽  
pp. 1064-1077 ◽  
Author(s):  
Xiaobing Lu ◽  
Zhigang Liu ◽  
Yang Song ◽  
Hongrui Wang ◽  
Jing Zhang ◽  
...  
Keyword(s):  
Robust Control ◽  
Contact Force ◽  
Control Strategy ◽  
High Speed ◽  
System Model ◽  
Control Force ◽  
Control Performance ◽  
State Estimator ◽  
Missing Measurements ◽  
Parameter Perturbations

Active control of the pantograph is one of the promising measures for decreasing fluctuation in the contact force between the pantograph and the catenary. In this paper, an estimator-based multiobjective robust control strategy is proposed for an active pantograph, which consists of a state estimator and a robust H∞ controller. The former serves as an essential tool for obtaining the states of the pantograph considering randomly missing measurements, and the latter is employed for decreasing the contact force fluctuation considering the limitation of the control force and collector uplift. Control performance is evaluated by implementing the control strategy with a nonlinear pantograph–catenary system model, in which the catenary is modeled based on nonlinear cable and truss elements. The robustness of the proposed control strategy is investigated under parameter perturbations and environmental disturbance, respectively. Furthermore, its advantage is verified by comparing it with an existing controller. Simulation results show that the control strategy can decrease the fluctuation in the contact force and reject parametric uncertainties and stochastic wind field.

scholarly journals Contact force control of an active pantograph for high speed trains

2016 ◽  
Vol 744 ◽  
pp. 012151 ◽  
Author(s):  
M T Ko ◽  
M Yokoyama ◽  
Y Yamashita ◽  
S Kobayashi ◽  
T Usuda
Keyword(s):  
Contact Force ◽  
Force Control ◽  
High Speed ◽  
High Speed Trains ◽  
Contact Force Control
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