Vehicle transmission controller for changing gear ratios in accordance with road features
US6098005A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 4, 1997 |
| Grant date | Aug 1, 2000 |
| Priority date | — |
| Expiry date | Sep 4, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2059/666
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
There is provided control over transmission stages which suppresses unnecessary shifts to a higher speed based on road information stored in a navigation system to allow smooth acceleration. An intersection ahead of the vehicle in the traveling direction is detected based on the road information stored in the navigation system and, when the vehicle is decelerated as it approaches the intersection, an optimum transmission stage for acceleration is selected in advance in accordance with the speed of the vehicle by predicting the acceleration to be performed when exiting the intersection. This eliminates the need for a shift to a lower speed before effecting acceleration by pressing the accelerator and thereby ensures smooth acceleration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.