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주행거리 연장형 전기자동차의 차량제어 알고리즘 설계 및 운전성 확보를 위한 엔진 발전시스템 제어
박용국(Youngkug Park) 한국자동차공학회 2016 한국 자동차공학회논문집 Vol.24 No.6
This paper describes control algorithm and control structure of vehicle control unit for range-extended electric vehicle equipped with engine-generator system, and specially presents methods which determine optimal operating points and decreases a vibration or a shock for operating the engine-generating system. The vehicle control algorithm is consisted of several parts which are sequence control, calculation of wheel demand torque, determination of operating points, and management of operating points and so vehicle controller has be made possible to efficiently manage calibration parameters. The control algorithm is evaluated by driving test modes, launching performance and operating engine-generator system and so on. In conclusion, this paper present methods for extending a mileage, improving a launching performance and reducing vibration or shock when the engine-generating system is starting or is stopping.
울산지역의 RE-EV 전기자동차 산업 육성 전략에 관한 보고 - 제 1보
김경민(Kyeongmin Kim),임옥택(Ocktaeck LIM),전종업(Jongup, Jeon),한경식(Kyungsik Han),문진수(Jinsoo Moon) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
Range Extended Electric Vehicle is simultaneously focused on the environmentally friendly features of pure-electric vehicles, and the convenience of the parallel-type plug-in hybrid electric vehicle. The breadth of RE-EV’s market will be expanded prior to dissemination of the full-scaled pure electric vehicle and the building of a large-scale infrastructure. Thus, the national government and Ulsan city council, by conducting the ‘Green RE-EV Car Parts Development and Research Infrastructure Project’, are assisting domestic core parts manufacturing companies to develop the RE-EV’s core components, and are building a joint R&D, testing and evaluation, and mass-production infrastructure specializing in RE-EV.
[기술논문] RE-EV용 엔진 발전기의 구동 부품의 마찰력 저감에 관한 연구
나완용(Wan Yong Rha) 한국자동차공학회 2014 한국 자동차공학회논문집 Vol.22 No.4
Recently, there has been an active study about friction force of moving parts for automotive. This study is development and evaluation of oil pockets for journal bearing and tappet valve for range extended electric vehicle. Specially , oil pockets are effect on friction force depend on pitch, size, depth. In this study, fine oil pocket was formed using by etched texturing on the journal bearing and tappet valve. And oil pocket analyzed by SEM and friction force test was carried out by tensile tester. Finally, in this study, it was suggested by round and plane part which journal besring and tappet valve.