Patent · US Expired

Controller for an automatic motor vehicle transmission

US6311114A · kind A · utility

11Cited by

9References

9Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Friedrich Graf · Eggenfelden, DE
Werner Hauptmann · Grevesmühlen, DE
Kai Heesche · Munich, DE

Key dates

Filing date	May 30, 2000
Grant date	Oct 30, 2001
Priority date	—
Expiry date	May 30, 2020

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2061/0096
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A controller has characteristic diagram memories and a fuzzy system which detects operating parameters of a motor vehicle and sets a transmission ratio with the aid of the characteristic diagram memory. A driver inputs plus and minus gear shift instructions via an input device. The driver instructions are evaluated during a driving operation by an adaptation circuit, and the shifting behavior of a transmission is adapted to a desired shifting behavior.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.