Patent · US Expired

Method and apparatus to diagnose intake airflow

US7181334B2 · kind B2 · utility

5Cited by
8References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 2003
Grant dateFeb 20, 2007
Priority date
Expiry dateNov 23, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/40
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An engine control system including an engine controller, a plurality of sensors coupled to the engine controller, and a neural network operating in the engine controller, and where upon failure of at least one of the plurality sensors, the neural network generates a representative value of the failed sensor.

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