Automatic Transmission Control Based on Estimation of Sporty Driving Intention

Paper #:
  • 2013-01-0483

Published:
  • 2013-04-08
DOI:
  • 10.4271/2013-01-0483
Citation:
Noumura, S., Matsumoto, S., and Tanahashi, T., "Automatic Transmission Control Based on Estimation of Sporty Driving Intention," SAE Technical Paper 2013-01-0483, 2013, doi:10.4271/2013-01-0483.
Pages:
7
Abstract:
The purpose of this research is to develop an automatic shift control method that emulates an experienced driver's manual shift maneuver which enhances driving performance during sporty driving. Driver control maneuvers and vehicle behavior were observed throughout the process of braking, cornering, and accelerating out of a corner on a winding test track. Close correlations were found between driving maneuvers, longitudinal and lateral acceleration, and the selected engine speed. Based on the analysis, an index is proposed for estimating the intention of the driver to drive in a sporty manner. This index consists of the magnitude of acceleration in a friction circle and the maximum longitudinal acceleration restricted by the performance of the power train. An automatic transmission control based on the estimated driving intention was then developed to achieve the necessary and sufficient available force. This paper discussed the details of the experimental results and analytical studies.
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