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능동형 커플러를 이용한 독립 구동 방식 저상형 노면전차의 주행 성능개선
조연호(Yonho Cho),이남진(Namjin Lee),강광호(Kwangho Kang),이원상(Wonsang Lee) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
The recently developed trams adopt IRWs (Independently Rotating Wheels) for the low floor structure. IRWs were introduced to improve the hunting stability and curving performance on the sharp curve of the conventional bogie. Those configurations reducing the longitudinal creepages by allowing the two wheels on the same axle to rotate independently from each other. but, IRWs have several inherent problems including insufficient guiding and excessive wear. Generally, IRWs are known to be more stable and have small lateral force and less wear in addition to prominent steering performance in a small curve section than conventional wheelset, they do not have hunting motion arising from longitudinal creepages. To meet the both running performances in tangent track and curve section several proposals were developed. Those are soft coupling using magnetic couplers, clutch systems and asymmetric bogie configurations. In this paper, the noval control architecture to meet the performance of both sectioins.-Tangent line and sharp cuuve. The active coupler is adopted to IRWs bogie system. and this active coupler working by onoff control. This active contol systems is verified by simulation using Vi-rail and matlab co-simulation technique