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http://dx.doi.org/10.5762/KAIS.2012.13.4.1777

Development of A DC Motor Controller for 24V-500W Small Electric Vehicle  

Bang, Jun-Ho (Dept. of IT Applied System Engineering, Chonbuk National University)
Lee, Woo-Choun (Dept. of IT Applied System Engineering, Chonbuk National University)
Yu, Jae-Young (Dept. of IT Applied System Engineering, Chonbuk National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.13, no.4, 2012 , pp. 1777-1783 More about this Journal
Abstract
In this paper, a new motor driving circuit is designed to improve the output performance of DC motor, and a controller is developed with the designed circuit. By the designed driving circuit, a controller can continuously drive DC motors by a transformer which has switching signals of a self-generated circuit to operate it. And while the DC motor have a maximum velocity, the reference voltage can be maintained higher value than that of triangle voltage and it makes the DC motor driving transistor ON and maximum power. A 24V-500W DC motor controller is developed with the proposed motor driving circuit, and also a small electric car is made and the driving test of it is executed. The test results shows that it can continuously control go and back speed of motor with 12A driving current. And also, it is verified that the over current and heat detecting function is operating correctly and the rest value of the used battery can be displayed as 6 step from 20 to 100%.
Keywords
DC motor controller; Driving circuit; Maximum power; Electric car;
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