Modelling and control of an electro-mechanically actuated pushbelt type continuously variable transmission

T.W.G.L. Klaassen, B. Bonsen, K.G.O. Meerakker, van de, M. Steinbuch, P.A. Veenhuizen, B.G. Vroemen

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Abstract

For analysis, control design and testing of an electro-mechanically actuated CVT, a simulation model is built. The model incorporates all major driveline components and the proposed actuation system with servo motor actuation. The clamping forces in the variator are calculated using an explicit formulation of a model based on Coulomb friction. Identification of the non-linear model using step response analysis shows resonances between 8-12 [Hz] and between 20-30 [Hz], depending on the ratio. Closed loop bandwidths that can be achieved are typically 5 [Hz] for ratio control and 20 [Hz] for slip control.
Original languageEnglish
Title of host publicationProceedings of the international symposium on advanced vehicle control 2004 AVEC '04, August 23-27, 2004, HAN University, Arnhem
EditorsJ. Pauwelussen, M. Steinbuch
Pages123-128
Publication statusPublished - 2004

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