A miniature noncontact torque sensor has been developed to be mounted on an engine for use in engine control systems. The sensor is installed in a last main bearing of the engine crankshaft. The principle is based on the measurement of torque-induced change in magnetic properties of a crankshaft due to the magneto-strictive effect.A new signal processing has also been developed. The method is very superior in linearity and stability of the output signal. Performance of the sensor examined on an engine-dynamometer arrangement is described.
Measurements of Engine Torque with the Intra-Bearing Torque Sensor
Sae Technical Papers
SAE International Congress and Exposition ; 1987
1987-02-01
Conference paper
English
Measurements of engine torque with the intra-bearing torque sensor
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