MEASURING METHOD OF DRIVE SHAFT ALIGNMENT ERROR FOR INTER-SATELLITE OPTICAL COMMUNICATION DEVICE

PROBLEM TO BE SOLVED: To allow high accuracy measurement of the rotation amount of a drive shaft in a precise acquisition tracking mechanism without demanding severe machine precision. SOLUTION: An internal optical part 1 of an inter-satellite optical communication device is turned to a precise trac...

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Bibliographische Detailangaben
1. Verfasser:	AIZONO MITSUE
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING TRANSMISSION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To allow high accuracy measurement of the rotation amount of a drive shaft in a precise acquisition tracking mechanism without demanding severe machine precision. SOLUTION: An internal optical part 1 of an inter-satellite optical communication device is turned to a precise tracking state, a two shaft drive mechanism 22 is driven in a direction that is completely the same as the single shaft direction of a precise acquisition tracking mechanism (FPM) 4 of the part 1, the alignment error between the driving shaft of a precise acquisition tracking sensor (FP sensor) 3 and the drive shaft of the mechanism (FPM) 4 of the part 1 is measured from a drive signal component in the direction of a Y axis of the mechanism (FPM) 4 at that time.