Tramcar platform door and car door linkage control system

The invention relates to a tramcar platform door and car door linkage control system which is provided with an on-board device and a ground device. The on-board device comprises an on-board wireless transmitting device and an on-board alignment device. The ground device comprises a ground wireless receiving device, a platform alignment device and a platform door control panel. Data transmission between the on-board wireless transmitting device and the ground wireless receiving device is achieved through wireless communication. The on-board alignment device and the platform alignment device have an alignment detection function, the alignment precision meets the requirement of stopping precision, and platform doors can be opened only when positions of car doors and positions of the platform doors are in one-to-one correspondence. The tramcar platform door and car door linkage control system has the following advantages that the effect that the platform doors can be effectively linked with the car doors under va