DOI:, available online at www.cjmenet.com;
Antiskid Control of Railway Train Braking Based on Adhesion
ZUO Jianyong* and CHEN Zhongkai
Railway and Urban Rail Traffic Academy, Tongji University,
Shanghai 200092, China
Received March 3, 2011; revised November 29, 2011; accepted
December 12, 2011
Abstract: In modern trains wheelset skidding leads to the
deterioration of braking behavior, the degradation of comfort,
as well as a boost in system hazards. Because of the
nonlinearity and unknown characteristics of wheelset adhesion,
simplifications are widely adopted in the modeling process of
conventional antiskid controllers. Therefore, conventional
antiskid controllers usually cannot perform satisfactorily. In
this paper, systematic computer simulation and field tests for
railway antiskid control system are introduced. The operating
principal of antiskid control system is explained, which is
fundamental to the simulation of antiskid brakes, and the
simulation model is introduced, which incorporates both the
adhesion creep curve and a pneumatic submodel of antiskid
control system. In addition, the characteristics of adhesion
curves and the simulation target are also provided. Using
DHSplus, the pneumatic submodel is created to analyze the
performance of the different control strategies of antiskid
valves. Then the system simulation is realized by combining the
kinematical characteristics of railway trains and the pneumatic
submodel. The simulation is performed iteratively to obtain the
optimized design of the antiskid control system. The design
result is incorporated in the hardware design of the antiskid
control system and is evaluated in the field tests in Shanghai
Subway Line 1. Judging by the antiskid efficiency, the antiskid
braking performance observed in the field tests shows the
superiority of the optimized design. Therefore, the proposed
simulation method, especially in view of its ease of
application, appears to be a useful one for designing railway
antiskid control systems.
Key words: antiskid control, adhesion creep, railway train
braking, system simulation.
ZUO Jianyong, born in 1976, is currently a lecturer at Railway and Urban
Rail Traffic Academy, Tongii University, China. He received his PhD
degree from Shanghai Jiaotong University, China, in 2005. His research
interests include simulation and control of trains’ brake system.
Tel: +86-21-69584712; E-mail: email@example.com
CHEN Zhongkai, born in 1987, is currently a MS candidate at Railway and
Urban Rail Traffic Academy, Tongji University, China. He received his
bachelor degree from Tongji University, China, in 2009. His research
interests cover artificial intelligence and control theory.
Tel: +86-21-69584712; E-mail: firstname.lastname@example.org
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