Application of induction radio technology in locomotive positioning control

In this paper, a method of railway locomotive precise positioning has been proposed, based on data transmission and position detection which is realized by electromagnetic coupling between antenna coil box and coding cables, according to electromagnetic induction principle. The position detection with induction radio and the principle of data communication has been introduced, and both general and high resolution position detection methods have been deduced. Then the similar frequency interference noise suppression method has been introduced, which has realized by the arrangement, in which there are two crossed transmission pair lines and one receiving antenna whose cross distant is equal to that of the pair lines. The proposed method has realized high system detection precision and strong anti-interference ability which meet the requirement of locomotive precise positioning control.