Gearbox control system

US7131931B2 · kind B2 · utility

Assignee

• ZF FRIEDRICHSHAFEN AG · DE

Inventors

• Otto Lutz · Bad Königshofen im Grabfeld, DE
• Franz Sorg · Aalen, DE
• Peter Muschel · Friedrichshafen, DE
• Roland Leibinger · Markdorf, DE

Key dates

• Filing date: Apr 8, 2002
• Grant date: Nov 7, 2006
• Expiry date: Apr 8, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S477/906
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

In a gearbox control system (8) for detecting systematic errors and long-term changes, the behavior of a real gearbox (1) is compared to the behavior of an ideal gearbox (7), which is implemented in the form of a gearbox model in the gearbox control system (8).