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정압력원을 이용한 에너지 절감 유압 시스템에 관한 실험적 연구
조용래(Cho Yong-Rae),안경관(Ahn Kyoung-Kwan),윤주현(Yoon Ju-Hyeon),이민수(Lee Min-Su),조우근(Jo Woo-Keon),윤홍수(Yoon Hong-Soo) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.5
It is strongly requested to reduce fuel consumption because of high oil price and exhaust gases of road vehicles for environmental preservation. To solve these problems, several types of hybrid vehicles have been developed. Among them, flywheel hybrid vehicle using variable displacement pump/motor was already proposed as one of the feasible hybrid systems in place of hybrid vehicle by the conventional storage battery. The proposed flywheel hybrid vehicle is to keep constant pressure of high pressure line by the control of swash plate angle of flywheel pump/motor as pressure compensator. The efficiency of the overall system depends severely on the efficiency of hydraulic pump/motor in the energy saving hydraulic control system by simulation. According to the control methods of swash plate angle of piston pump/motor, there remain several problems to be solved. In this paper, experimental setup for energy saving is fabricated and the efficiency of energy saving is investigated by experiments with respect to various experimental conditions.