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Diagnosis of Sensor Failure in Airflow-Based Engine Control System

Abstract: 

An air-flow based control system for an internal combustion engine has various sensors that are used to calculate various control commands. By comparing pairs of values calculated from different sensors, errors in connection with the sensors can be detected.

Patent Number: 
8,521,354
Date Of Issue: 
08/27/2013
Inventors: 

Shizuo Sasaki