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초록· 키워드
오류제보하기
It is essential to find oscillating angles and periods in a seaway when designing and manufacturing stabilizers. It is difficult to find oscillating angles and periods in high speed turning and they vary with ship speed and wave heading angles, therefore, proper algorithm to measure oscillating periods in a seaway.
In the present study, three kinds of algorithms are developed to measure oscillating angles periods in a seaway. Dual axis tilt sensor of low price is used to measure oscillating angles, and the effect of lateral accelerations on tilt sensor have been reduced by the fusion algorithm using the gyro sensor signals. Analog and digital filters are applied to minimize the noise of the signals. Three kinds of algorithms, zero crossing, peak to peak and moving zero crossing algorithm, are developed to measure oscillating periods in a seaway. It is found that the moving zero algorithm showed the best results in the sea trials.
In the present study, three kinds of algorithms are developed to measure oscillating angles periods in a seaway. Dual axis tilt sensor of low price is used to measure oscillating angles, and the effect of lateral accelerations on tilt sensor have been reduced by the fusion algorithm using the gyro sensor signals. Analog and digital filters are applied to minimize the noise of the signals. Three kinds of algorithms, zero crossing, peak to peak and moving zero crossing algorithm, are developed to measure oscillating periods in a seaway. It is found that the moving zero algorithm showed the best results in the sea trials.
목차
Abstract
1. 서언
2. 계측 센서
3. 센서 신호처리 알고리즘
4. 주기추정 알고리듬
5. 실선 평가
6. 결언
후기
참고문헌
참고문헌 (7)
참고문헌 신청
1. [기타자료] - / / Datasheet SCA103T Series / VTI Technologies
2. [보고서] - Won, M.C / 2006 / Development of Satellite Antenna System for Marine Use, Report of Program for Cultivating Graduate Students in Regional Strategic Industry
3. [기타자료] - Murata Manufacturing Co., Ltd / / Datasheet ENV-05G / Murata Manufacturing Co., Ltd.
4. [단행본] - Jung, S / 2005 / Digital Signal Processing and Filter Design Using Matlab / AJIN Publication
6. [보고서] - Lew, J.M / 2005 / Development of Voyage Safety Evaluation System of Ships, Research Report of ITEP
2. [보고서] - Won, M.C / 2006 / Development of Satellite Antenna System for Marine Use, Report of Program for Cultivating Graduate Students in Regional Strategic Industry
3. [기타자료] - Murata Manufacturing Co., Ltd / / Datasheet ENV-05G / Murata Manufacturing Co., Ltd.
4. [단행본] - Jung, S / 2005 / Digital Signal Processing and Filter Design Using Matlab / AJIN Publication
6. [보고서] - Lew, J.M / 2005 / Development of Voyage Safety Evaluation System of Ships, Research Report of ITEP
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UCI(KEPA) : I410-ECN-0101-2013-559-001665735