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Electronically Controlled Interactive Shift Control System for Motor Vehicles
Technical Paper
2001-01-2477
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The system being presented here enables an automatic transmission in a motor vehicle to react to the driving characteristics of a driver in the way and speed with which it shifts. It provides for fail-safe fully electronic control of the transmission including park lock FMVSS compliance, and allows all mechanical links between the shift control and the transmission to be eliminated.
The ‘tiptronic’-type shift systems known today provide some measure of manual control of an automatic transmission, as they allow sequential ‘up & down’ selection of forward drive gears. Nevertheless, even as the forward gears are selected manually, the transmission is designed to shift between those gears in a predetermined manner, irrespective of the driver's intentions. These shift characteristics are necessarily a design compromise and not optimized to the situation the driver finds himself in at any particular moment, and usually detracts from the overall driving experience.
The present system takes these commonly available sequential systems and adds the ability to modulate, or vary, the manner in which the transmission shifts from one gear to another, based entirely on real-time feedback pertinent to the situation.
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Authors
Citation
DeJonge, B., "Electronically Controlled Interactive Shift Control System for Motor Vehicles," SAE Technical Paper 2001-01-2477, 2001, https://doi.org/10.4271/2001-01-2477.Also In
SAE 2001 Transactions Journal of Passenger Cars - Electronic and Electrical Systems
Number: V110-7; Published: 2002-09-15
Number: V110-7; Published: 2002-09-15
References
- Code of Federal Regulations, Title 49--Transportation, Subtitle B, Chapter V National Highway Traffic Safety Administration, Department of Transportation Federal Motor Vehicle Safety Standards
- Shifting Arrangement for an Automatic Transmission of a Motor Vehicle Raff et al Porsche AG Germany
- Shifting Arrangement for an Automatic Transmission of a Motor Vehicle Raff et al Porsche AG Germany
- Transmission-Mounted Park Position Interlock System Osborn, GHSP Grand Haven, MI
- Electrical Sensing System for a Vehicle Shifter DeJonge et al. GHSP Grand Haven, MI