Crankshaft position sensing with combined starter alternator

Details Crankshaft position sensing with combined starter alternator Crankshaft position sensing with combined starter alternator

1998-03-25

2000-06-13

Culbreth, Eric

Motor vehicles

Power

Electric

180 658, 701 22, B60K 100

Patent

active

060737131

ABSTRACT:
A crankshaft position sensing apparatus for use with an engine (16) having a combined starter/alternator assembly (18). The crankshaft position sensing apparatus includes a tone ring (38) with a sensor (36) and bandpass filter (46), having a cylinder identification input from a camshaft sensor (48), and a gain limiter (54). The sensing apparatus mounts near the rotor (30) of the combined starter/alternator assembly (18). The filtered crankshaft position signal can then be input into a vehicle system controller (58) and an inner loop controller (60). The starter/alternator assembly (18) in combination with an internal combustion engine is particularly useful for a hybrid electric vehicle system.

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