http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
작업장치 위치에너지 회생을 위한 하이브리드 굴삭기 시스템 개발
윤종일(J. I. Yoon),안경관(K. K. Ahn),딩광졍(D. Q. Truong),강종민(J. M. Kang),김재홍(J. H. Kim) 유공압건설기계학회 2009 드라이브·컨트롤 Vol.6 No.4
Nowadays with the high fuel prices, the demands for energy saving and green emission of construction machinery have highly been increased without sacrifice of working performance, safety and reliability. The aim of this paper is to propose a new energy saving hybrid excavator system using an electro-hydraulic actuator driven by an electric motor/generator for the regeneration of potential energy. A 5 ton class excavator is analyzed, developed with the boom for the evaluation of the designed system. The hardware implementation is also presented in this paper. A control strategy for the hybrid excavator is proposed to operate the machine with a highest efficiency. The energy saving ability of the proposed excavator is clearly verified through simulation and experimental results in comparison with a conventional hydraulic excavator.
하이브리드 굴삭기 시스템의 에너지 절감에 대한 기초 연구
윤홍수(Y. S. Yoon),안경관(K. K. Ahan),윤종일(J. I. Yoon),강종민(J. M. Kang),김재홍(J. J. Kim) 유공압건설기계학회 2008 유공압건설기계학회 학술대회논문집 Vol.2008 No.10
Today, hydraulic systems play an important role in modern industry for the reasons that hydraulic actuator systems take many advantages over other technologies with high durability and the ability to produce large forces at high speeds. In recent years, electro-hydraulic actuator systems, which combine electric and hydraulic technology into a compact unit, have been adapted to a wide variety of force, speed and torque requirements. Moreover these systems resolve energy consumption and noise problems characteristic existed in the conventional hydraulic systems. Therefore, these systems have a wide range application fields especially in an excavator. Therefore the purpose of this paper is to demonstrate efficiency of the energy saving and present some control algorithms on a proposed system which apply to electro-hydraulic actuator system in the bucket of the excavator. Experiments are carried out to verify the effectiveness of the proposed system with various external loads as in real working conditions.
이상조,민병철,김종향,박경호,강종민 한국공업화학회 1997 응용화학 Vol.1 No.2
Two organophosphorous insecticides, Diazinon and Methidation were degraded in presence of UV irradiation. The analysis of these compounds were carried out by Gas Chromatograph with a nitrogen-phosphorous detector, Total Organic Carbon and Ion Chromatograph, respectively.