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[論文] Kopp Ball Variator무단변속기의 최적설계
임경호(K.H.Lim),김두만(D.M.Kim) 한국자동차공학회 1992 오토저널 Vol.14 No.1
An optimal design technique for minimum power loss in Kopp Ball Variator Continuously Variable Transmission is developed. Kinematic analysis of traction drive contact is performed to find spin for Kopp Ball Variator, and traction force and torque are calculated from mathematical model of traction drive contact. The objective function for optimal design is total power loss including contact loss and bearing losses. The design contraints are derived from energy balance for input and output power. The formulated optimal design problem is implemented to a nonlinear programming algorithm to find minimum power loss. The performance of optimally designed Kopp Ball Variator shows that efficiency is increased about 5-10% compare to a commercial unit.