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Development of Smooth Up-Shift Control Technology for Automatic Transmissions with Integrated Control of Engine and Automatic Transmission
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 16, 2007 by SAE International in United States
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The New Up-shift Control Technology has been developed for Automatic Transmissions, which uses integrated control of Engine and Automatic Transmissions. The control technology has improved shift shock and achieved shock less shifts. Additionally, the new Lexus LS460 is equipped with shift control technology, which contributes to the overall appeal of the vehicle. This paper describes the design method of the control sequence, which is based on the analysis of shift transition, result of applications to real cars, and its effect.