This study is about the development of remote controlled bollard using the BLDC motor and ball screw with mechatronics theory. A bollard is composed of the sensor part and the control part. The sensor part is consisted of sensors that detect the locations of a bollard. The role of the control part is adjusting motor speed and power through variable resistance. In order to confirm required performance, the speed of decent and ascent of the bollard, the time and the RPM of BLDC motor were tested according to the variable resistance and the applied load with 10 to 72kgf.

Abstract
 1. 서론
 2. 전동식 볼라드 설계 이론
 3. 실험장치 및 방법
 4. 결과 및 고찰
 5. 결론
 참 고 문 헌

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