Fuzzy control system for automatic transmission
US4841815A · kind A · utility
90Cited by
11References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 1988 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | Mar 30, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S706/90
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A shift control system for an automatic transmission includes a sensing section for sensing various vehicle conditions, such as vehicle speed, acceleration, throttle opening, time rate of change of the throttle opening, and a vehicle running resistance, and fuzzy control section for determining a desired gear ratio by fuzzy inference using predetermined membership functions of the vehicle conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.