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One-Shot System의 신뢰도 분석을 통한 적정 점검주기 방안 연구
임준영,설현주 한국산업경영시스템학회 2023 한국산업경영시스템학회지 Vol.46 No.1
Guided missiles are a one-shot system that finishes their purpose after being used once, and due to the long-term storage until launch, the storage reliability is calculated during development, and performance is maintained through periodic inspections until the life cycle arrives. However, the reliability standards applied in the development of guided missiles were established by analyzing data accumulated by the United States during long-term operation in the country, and since they are different from our environment, the 00 guided missiles that have been deployed in the armed forces for more than 10 years under the premise that there is a difference from actual reliability. As a result of verifying the appropriateness of the current inspection cycle by analyzing the actual reliability of the missile, the necessity of changing the inspection period was derived because it was higher than the predicted reliability. It is proposed to build and utilize a lifespan management system that can systematically collect all data such as shooting and maintenance results by classification, and to establish a reliable reliability standard based on the accumulated data.
레이트 자이로를 이용한 유연한 로봇팔의 진동제어에 관한 연구
임준영,박인오,오준호 대한기계학회 1990 대한기계학회논문집 Vol.14 No.5
본 연구에서는 선단의 각속도를 측정하여 궤환함으로써 유연한 로봇팔의 진동 을 억제함과 동시에 선단의 위치를 제어하고자 한다. 선단에 레이트 자이로를 설치 하여 선단의 각속도를 측정하였다. 레이트 자이로는 이미 비행체의 제어에 널리 사 용되고 있는 정밀 각속도 센서로 소형이면서 가벼워 회전 진동측정이 매우 쉽고 편리 한 장점이 있다. 또한 유연한 로봇팔을 선단에 집중질량이 있는 오일러보로 가정하 여 모델링을 하였으며, 실험에서는 1차진동 모드까지만 고려하였다. The end tip position control of a flexible robot arm has been presented by utilizing the feedback signal from the rate-gyro mounted at the end tip. Kalmann filter and the state feedback gains were determined by optimal sense based upon the parameter from the geometrical and electrical data of the flexible arm system. The simulation and experiment were performed and it has been proved that implementation of the rate-gyro drastically improves the performance.