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It is a key issue to ensure the safe operation of urban railway vehicle by avoiding the phenomenon of wheel slipping or locking under braking conditions, which can be implemented by looking for and keeping an optimal slip ratio. In this paper, the problem of anti-slip control for urban railway vehicle based on optimal slip ratio is studied. Forgetting factor recursive least-squares (FFRLS) algorithm...
The Pantograph-Catenary system(PAC) is the most crucial and vulnerable part in the high-speed train. During the high-speed movement of locomotive, the conventional passive control would cause various malfunction of the PAC system. Because the passive control does not have sufficient ability to avoid the dynamic variation of the contact force between carbon-plate and catenary wire. Therefore, this...
It is very important for railway vehicles to have a good braking performance to avoid the phenomenon of idling and skidding, which can be implemented by looking for and keeping an optimal slip ratio. The optimal slip ratio is a value existing in the creep zone of functions between friction coefficient and slip ratio corresponding to the maximum adhesion. Controller based on the sliding mode control...
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