Research on Anti-slip Control Strategy of Metro Train Based on the Electromagnetic Force

doi:10.3901/JME.2024.06.334

Abstract

Abstract: A novel anti-slip control strategy considering electromagnetic effort is proposed to enhance the adhesion level and prevent slipping problems of metro wheels under low-adhesion friction conditions. To this end, a metro train-slab track coupled dynamics model is established, in which the non-linear wheel/rail interactions and the advanced anti-slip control module are treated. The wheel/rail interactions and anti-slip controlling effect under complex wheel/rail friction conditions and traction/braking operations are numerically investigated. The simulation results indicate that the powered wheelset is prone to slip under low-adhesion conditions. The proposed anti-slip controller can improve wheel/rail adhesion level and restrain wheelset slipping phenomenons with the increasing wheel/rail vertical forces. Moreover, the employed anti-slip controller improves traction/braking efficiency compared to the traditional one.

Key words: metro train, electromagnetic adhesion raising device, wheel/rail low-adhesion condition, anti-slip control, vhicle-track coupled dynamics, traction/braking

CLC Number:

U231

CHEN Qinghua, YANG Yunfan, GE Xin, LING Liang, WANG Kaiyun. Research on Anti-slip Control Strategy of Metro Train Based on the Electromagnetic Force[J]. Journal of Mechanical Engineering, 2024, 60(6): 334-341.

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