High-speed maglev transportation can provide high security as well as high speed. It not only can ensure the safe operation of the train within the prescribed scope of speed, but also can ensure that the train run to an assigned stop area and stop in safety in case of failure or emergency situations. This requires the operation control system with double speed limit protection functions for both the upper and lower speed limit. This function is realized by speed curve monitoring function module of the operation control system. In this paper, the speed limits factors of high speed maglev train operation are analyzed. The theoretical model of maximum speed curve and minimum speed curve is presented and simulated. Based on the theoretical analysis, the key function and realization mechanism of speed curve monitoring module are analyzed.
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