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논문 기본 정보

자료유형
학술저널
저자정보
이인성 (Pusan University) 김재용 (Pusan University) 정은국 (Pusan University) 정경훈 (Pusan University) 김정민 (Pusan University) 김성신 (Pusan University)
저널정보
한국로봇학회(논문지) 로봇학회 논문지 로봇공학회 논문지 제8권 제1호
발행연도
2013.3
수록면
29 - 36 (8page)

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초록· 키워드

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This paper presents a sensitivity optimization of a MEMS (microelectromechanical systems) gyroscope for a magnet-gyro system. The magnet-gyro system, which is a guidance system for a AGV (automatic or automated guided vehicle), uses a magnet positioning system and a yaw gyroscope. The magnet positioning system measures magnetism of a cylindrical magnet embedded on the floor, and AGV is guided by the motion direction angle calculated with the measured magnetism. If the magnet positioning system does not measure the magnetism, the AGV is guided by using angular velocity measured with the gyroscope. The gyroscope used for the magnet-gyro system is usually MEMS type. Because the MEMS gyroscope is made from the process technology in semiconductor device fabrication, it has small size, low-power and low price. However, the MEMS gyroscope has drift phenomenon caused by noise and calculation error. Precision ADC (analog to digital converter) and accurate sensitivity are needed to minimize the drift phenomenon. Therefore, this paper proposes the method of the sensitivity optimization of the MEMS gyroscope using DEAS (dynamic encoding algorithm for searches). For experiment, we used the AGV mounted with a laser navigation system which is able to measure accurate position of the AGV and compared result by the sensitivity value calculated by the proposed method with result by the sensitivity in specification of the MEMS gyroscope. In experimental results, we verified that the sensitivity value through the proposed method can calculate more accurate motion direction angle of the AGV.

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Abstract
1. 서론
2. 계측 시스템
3. 제안된 MEMS형 자이로의 민감도 최적화
4. 실험 및 결과
5. 결론
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UCI(KEPA) : I410-ECN-0101-2020-559-001258799