Location and Speed Detection System for High-Speed Maglev Vehicle

To detect the location and speed of high-speed maglev (magnetically levitated) vehicles, a location and speed detecting scheme was proposed. In this scheme, the tooth-and-slots of the LSM (linear synchronous motor) and the location reference leaves beside the track are detected as the relative and absolute location signals, respectively. These signals are compared each other to eliminate the measuring errors. The experiments on the test bench that contains the same long stator as the LSM used in Shanghai high-speed maglev line showthat the proposed scheme is feasible