Patent · US Active

Commanded clutch diagnostic for hybrid vehicles

US7693638B2 · kind B2 · utility

4Cited by
4References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 2007
Grant dateApr 6, 2010
Priority date
Expiry dateOct 3, 2028

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/62
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A method of regulating operation of a hybrid transmission in a vehicle includes determining a desired transmission state using a first module, generating transmission control signals based on the desired transmission state using a second module and receiving at least one transmission parameter signal at the second module. An actual transmission state is determined based on the at least one transmission parameter signal at the second module. Whether a fault is present within the hybrid transmission control system is determined based on the desired transmission state and the actual transmission state at the first control module.

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