Rotation angle detection apparatus

A rotation angle detection apparatus includes three or more sensing portions and a controller. Each sensing portion includes a main circuit unit which is a full-bridge circuit and a subsidiary circuit unit which is a full-bridge circuit. An angle calculator of the controller calculates a rotation an...

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Hauptverfasser:	Fujita Toshihiro, Sakai Toshimitsu
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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creator	Fujita Toshihiro Sakai Toshimitsu
description	A rotation angle detection apparatus includes three or more sensing portions and a controller. Each sensing portion includes a main circuit unit which is a full-bridge circuit and a subsidiary circuit unit which is a full-bridge circuit. An angle calculator of the controller calculates a rotation angle on the basis of a main signal corresponding to a main positive signal and a main negative signal outputted from at least one main circuit unit and a subsidiary signal corresponding to a subsidiary positive signal and a subsidiary negative signal outputted from at least one subsidiary circuit unit. An abnormality monitoring unit compares main signals and also compares subsidiary signals outputted from different sensing portions and monitors an abnormality occurrence according to a comparison result. A rotation angle can be thus detected with high accuracy.
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subjects	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
title	Rotation angle detection apparatus
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