Abstract
본 논문에서는 이동할 때 마찰이 없고 소음이나 먼지가 발생하지 않는 자기부상 물류이송시스템의 설계 방법을 제안한다. 제안된 자기부상 이송시스템은 크게 부상시스템과 추진시스템으로 구분된다. 자기부상시스템은 레일로 전자석을 끌어당기는 흡인식 부상시스템으로 구현하였으며, PID 제어기를 사용하여 전자석 공급 전류를 제어하였다. 자기부상 이송시스템의 추진시스템에는 바퀴의 마찰과 모터의 회전이 없고 소음이 최소화 되는 선형 유도전동기를 사용하였다. 추진시스템의 제어방법은 입력되는 직류전압에서 큰 교류전압을 얻을 수 있는 공간벡터 펄스폭 변조방식을 적용하였다. 제안한 자기부상 물류이송시스템은 부상 및 추진 제어 실험을 통하여 성능을 검증하였다. In the paper, we propose a design method for the logistics transportation system using magnetic levitation that has a good characteristics without mechanical friction, noise and dust. The proposed transportation system consists of a levitation control system and a propulsion control system. Magnetic levitation system is an electromagnetic suspension system in which electromagnet generates magnetic attractive force and the attractive force pulls the rail. We design a PID controller for the current control of electromagnets. We use linear induction motors for propulsion of the proposed logistics transportation system and adapt the space vector PWM method for the propulsion control system. The proposed transportation system using magnetic levitation is verified performances through levitation and propulsion experiments.
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More From: Journal of Korean Institute of Intelligent Systems
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