Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
699328 | Control Engineering Practice | 2014 | 17 Pages |
Abstract
The design of a new controller for the variator in a pushbelt continuously variable transmission (CVT) is investigated. A conventional variator controller is typically based on a variator model with large uncertainties, which results in a limited variator efficiency. The proposed controller simultaneously optimizes the variator efficiency and tracks a transmission ratio reference, for which a detailed variator model is not required. The controller, a combination of extremum seeking control and tracking control, only uses measurements from standard sensors. Experiments on the basis of a driving cycle show that a conventional variator controller is outperformed.
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Authors
Stan van der Meulen, Bram de Jager, Frans Veldpaus, Maarten Steinbuch,