Operation processing apparatus, angle sensor and power steering apparatus

An operation processing apparatus that calculates a rotation angle based on a first output signal and a second output signal, which differ in signal frequency from each other, is provided with a first cross-coupled operation part that performs a first cross-coupled operation and a second cross-coupl...

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Bibliographische Detailangaben
Hauptverfasser:	Hirabayashi, Hiraku, Mochizuki, Shinichirou
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MOTOR VEHICLES PERFORMING OPERATIONS PHYSICS TARIFF METERING APPARATUS TESTING TRAILERS TRANSPORTING
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Beschreibung
Zusammenfassung:	An operation processing apparatus that calculates a rotation angle based on a first output signal and a second output signal, which differ in signal frequency from each other, is provided with a first cross-coupled operation part that performs a first cross-coupled operation and a second cross-coupled operation part that performs a second cross-coupled operation based on the first and second output signals. A first Lissajous curve generation part generates a first Lissajous curve based on the result of operation by the first cross-coupled operation part, and a second Lissajous curve generation part generates a second Lissajous curve based on the result of operation by the second cross-coupled operation part. A rotation angle computing part calculates the rotation angle based on the first Lissajous curve and the second Lissajous curve.