METHOD AND SYSTEM OF DIAGNOSING DEFECT AND CALCULATING REMAINING LIFE OF DOOR OF RAILWAY VEHICLE

摘要

Disclosed are a method and apparatus for diagnosing a defect in a door of a railroad vehicle and calculating the remaining life. The method includes the steps of setting a state value for diagnosing a door; building a database of indexes for door diagnosis; comparing the detected index with a reference index; And if the detected index is larger than the reference index in the database, storing the failure code of the door; includes. The state value includes a first state value that is a release peak current in a door release section in which the door is released, a second state value that is a current or an average of the current during a door operation section in which the door is actually opened or closed after the door release section; It includes a third state value that is a lock peak current in a door lock section in which the door is locked after the operation section.