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가변 유압 펌프/모터를 이용한 플라이 휠 하이브리드 차량에 관한 연구
조용래(Yongrae Cho),오범승(Bumseung Oh),안경관(Kyoungkwan Ahn),양순용(Soonyong Yang),이병룡(ByungRyong Lee) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
Nowadays, it becomes a serious problem to exhaustion of a fossil fuel and air pollution by exhaust gases from<br/> road vehicles for environment preservation. To solve this problem, the developments of a hybrid vehicle have been<br/> processed for the purpose of reducing pollution and energy-savings. By the way, flywheel hybrid vehicle using<br/> variable pump/motor was proposed as one feasible hybrid system in place of hybrid vehicle system by the<br/> conventional storage battery. The proposed flywheel hybrid vehicle is composed of an accumulator or a flywheel as<br/> the energy generation and storage source and three variable hydraulic pump/motor as the energy transfer device.<br/> Flywheel has the characteristic of high energy density and easy energy absorption and consumption.<br/> In this paper, the effectiveness of the energy-saving of the proposed flywheel hybrid vehicle is verified by<br/> simulation using Matlab/Simulink. First of all, analytical modeling and simulations for the flywheel hybrid vehicle<br/> are presented and the energy-savings are investigated in simulation. Simulations were performed based on the<br/> experimental efficiency data of a variable pump/motor. The result of the simulation shows that it is possible to<br/> improve fuel economy in city driving patterns.