Brake abnormality judging device, brake state storage device, abnormality judging method, abnormality judgment program, and brake control device

摘要

Problem: the abnormality of the mechanism to supply air pressure to air brake equipment and air brake equipment is discovered.The control device of the air brake apparatus is provided with a command value obtaining section for acquiring the command value a of air pressure supplied to the air brake apparatus when braking the vehicle.The control device further includes a cylinder pressure value acquisition section for obtaining the brake cylinder pressure value B calculated by the deceleration feedback control from the command value a.Further, the control device comprises a judging section for judging an abnormality of the air brake apparatus based on the brake efficiency C indicating the ratio of the command value a and the brake cylinder pressure value B.Diagram