Optimal Gear Shift Strategy for Dual Clutch Transmissions

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Abstract

In this paper, the operation of two clutches during a gear shift process in dual clutch transmissions is considered. An optimization problem is formulated in a compact form such that the energy losses in the clutches as well as the jerk are minimized. Nonlinear constraints arising from clutch friction are avoided by imposing constraints in a linear form and dividing the time interval into two phases. Simulation results of selected load downshift and upshift scenarios illustrate that the current state of the art transmission control approach can be interpreted as an optimal solution.
Original languageEnglish
Title of host publicationProceedings of the 20th World Congress of the International-Federation-of-Automatic-Control (IFAC)
Pages4800-4805
Volume50
Edition1
DOIs
Publication statusPublished - 2017

Publication series

NameIFAC-PapersOnLine
PublisherElsevier B.V.
ISSN (Print)2405-8963

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Golkani, M. A., Steinberger, M., Bachinger, M., Rumetshofer, J., Stolz, M., & Horn, M. (2017). Optimal Gear Shift Strategy for Dual Clutch Transmissions. In Proceedings of the 20th World Congress of the International-Federation-of-Automatic-Control (IFAC) (1 ed., Vol. 50, pp. 4800-4805). (IFAC-PapersOnLine). https://doi.org/10.1016/j.ifacol.2017.08.964