BRAKE CONTROL SYSTEM FOR A RAIL CAR

A brake control system for a railcar having two bogies includes a first brake control unit and a second brake control unit for controlling a braking of a first bogie and a second bogie. The first brake control unit includes a first relay valve and a first brake control module for controlling an application of a first pilot pressure to the first relay valve. The second brake control unit includes a second relay valve and a second brake control module for controlling an application of the third pilot pressure to the second relay valve. The brake control system includes a fail-safe valve to provide the the first pilot pressure to the first relay valve or the third pilot pressure to the second relay valve in response to a failure of the first brake control unit or the second brake control unit.