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오준호(J. Oh),김기용(K. Kim),조용락(Y. Cho),장윤석(Y. Jang),장달식(D. Jang),장준현(J. Jang) 유공압건설기계학회 2009 유공압건설기계학회 학술대회논문집 Vol.2009 No.11
A research on the improvent of working convenience and performance of excavator has been performed by many researchers and manufacturers. Leading companies have researched and applied their electro-controlled pump technology into excavator products early in 2000"s. Concerning the performance of an excavator, moreover, development of high-efficiency excavator system in various working patterns is becoming one of their main interests. In this research we obtained experimental results of an excavator in various working patterns. Also, those results were utilized to analyze energy loss distribution of a working pattern and finally to improve the convenience and performance of an excavator.
지능형 굴삭기의 궤적 추종 오차 개선을 위한 중력 보상 제어기에 대한 연구
이창섭(C. S. Lee),홍대희(D. H. Hong),김태호(T. Kim),김기용(K. Kim),조용락(Y. Cho),장윤석(Y. Jang),장달식(D. Jang),장준현(J. Jang) 유공압건설기계학회 2009 유공압건설기계학회 학술대회논문집 Vol.2009 No.11
One of the most important factors in Intelligent Excavator is to locate the bucket fast and accurate to the right position. To locate the bucket accurately, the Arm and the hydraulic cyliner of the Boom should be exactly controlled. But as voltage and the force that should be controlled can be different by the positioning of the excavator, exact controlling is a difficult task. Only if we could control the gravity and the load, which is the main part in controlling the excavator in a slow system, it can be controlled more accurately. In this paper, we looked on how much the excavator could be controlled with gravity compensation.