PAPER MONEY TEMPORARY STORAGE MODULE, DRUM ROTATING SPEED CONTROL METHOD THEREOF AND AUTOMATIC TELLER MACHINE

摘要

A drum rotating speed control method of a paper money temporary storage module. The method comprises: detecting the flow amount of identification information (301) on a tape (3) in a unit time; calculating to obtain line speeds of a large drum (1) and a small drum (2); calculating to obtain a first angular speed and a second angular speed according to an expected line speed and a PID algorithm; and controlling a first power motor (6) that corresponds to the large drum (1) and a second power motor (7) that corresponds to the small drum (2) respectively according to the first angular speed and the second angular speed. By means of the method, the calculation of the line speeds of the large drum (1) and the small drum (2) is not influenced by the thickness of the tape (3), paper money thickness and drum radius, so that the accurate line speeds of the large drum (1) and the small drum (2) can be obtained, and the line speeds of the large drum (1) and the small drum (2) can be kept constant.