GYRO SENSOR CORRECTION METHOD USING SIN CIRCURLATION INPUT OF RATE TABLE

PURPOSE: A gyro-sensor correcting method using a sinusoidal rotation of a rate table as an input is provided to easily obtain a correction value by using a sine wave type input to create a Lissajous graph for comparing input frequency and output frequency. CONSTITUTION: A gyro-sensor correcting meth...

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Bibliographische Detailangaben
Hauptverfasser:	LEE, SANG CHUL, OH, HWA SUK, CHEON, DONG IK, KIM, HYUN CHIL
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	GYROSCOPIC INSTRUMENTS INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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Beschreibung
Zusammenfassung:	PURPOSE: A gyro-sensor correcting method using a sinusoidal rotation of a rate table as an input is provided to easily obtain a correction value by using a sine wave type input to create a Lissajous graph for comparing input frequency and output frequency. CONSTITUTION: A gyro-sensor correcting method using a sinusoidal rotation of a rate table as an input is as follows. A gyro sensor is fixed on a rate table(10). The rate table is vibrated with a sine wave type input frequency to create an input frequency for the gyro-sensor(20). A sine wave type output frequency for the gyro-sensor from the input frequency is obtained(30). A Lissajous graph is drawn from the ratio between the input frequency and the output frequency to estimate size and phase(40). The estimated size and a correction value are inputted to the gyro-sensor(50).