Title :
PWM speed control system of DC motor based on AT89S51
Author :
Zhijun Liu ; Lianzhi Jiang
Author_Institution :
Sch. of Electr. & Inf. Eng., Liaoning Inst. of Sci. & Technol., Benxi, China
Abstract :
This paper presents a new approach of DC motor PWM speed control, using microcomputer as controller, after discussing conventional cascade speed control. It introduces the principle of DC motor PWM speed control and the details of the realization of the approach base on AT89S51 single-chip microcomputer. Different duty cycle quadrate waves are produced by the PI of AT89S51. Different speed grades and the direction are depended on different buttons. Experiments have proved that this system is of higher performance.
Keywords :
DC motors; cascade control; machine control; microprocessor chips; pulse width modulation; velocity control; AT89S51 single chip microcomputer; DC motor; PWM speed control system; conventional cascade speed control; duty cycle quadrate waves; Choppers; DC motors; Microcomputers; Pulse width modulation; Resistance; Strontium; Velocity control; AT89S51; DC motor; PWM;
Conference_Titel :
Electronic and Mechanical Engineering and Information Technology (EMEIT), 2011 International Conference on
Conference_Location :
Harbin, Heilongjiang, China
Print_ISBN :
978-1-61284-087-1
DOI :
10.1109/EMEIT.2011.6023332
