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최병희(B. H. Choi),조예찬(Y. C. Jo),박정현(J. H. Park),최성운(S. W. Choi),조상훈(S. H. Cho),김바다(B. D. Kim),박기협(K. H. Park),김주호(J. H. Kim),이대엽(D. Lee) 유공압건설기계학회 2023 유공압건설기계학회 학술대회논문집 Vol.2023 No.5
In many equipment, including construction machinery that operates with hydraulic oil, it is very important to solve the problem of the generation of fine particles in the hydraulic circuit and the inability to use the equipment due to causes such as damage of parts and repair. In this study, as a base study to solve these problems, a study that can detect the color change of hydraulic oil due to particles mixed in hydraulic oil in real time using machine learning was conducted. Using the k-NN classification algorithm, the color change of hydraulic oil is classified into ten classes so that the color can be recognized in real time. It is planned to carry out the development of the sensor system in the following study.
사물인터넷 센서를 이용한 동적 부품의 스트레인 측정 방법
안영철(C. H. An),유영준(Y. J. Yu),박정현(J. H. Park),김윤상(Y. Kim),이상훈(S. Lee),이철희(C. Lee),박기협(K. H. Park),이대엽(D. Lee) 유공압건설기계학회 2022 유공압건설기계학회 학술대회논문집 Vol.2022 No.12
In this study, a measuring device using an IoT embedded CPU and sensors was constructed for the purpose of measuring and analyzing the shaft torque and axial force by measuring the strain of moving parts such as drive axles. Throughout this study, it was feasible to measure the shaft torque and axial force of the vehicle during operation through the strain gauge attached to the forklift live axle, confirming that the strain measurement of moving parts is possible.