MEASURING THE ANGLE BETWEEN A FIRST MEMBER AND A SECOND MEMBER UNDER DYNAMIC CONDITIONS

Method and system for measuring an angle (±) between a first and a second member (1, 2) under dynamic conditions. A first and second acceleration sensor (3, 4), as well as an angle measuring device (6-8) (goniometer) are connected to the first and second member. Under dynamic and static conditions,...

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Bibliographische Detailangaben
Hauptverfasser:	HEIJKANTS, RALF GUILLAUME JEAN CATHARINA, WIJNEN, MERIJN, VAN DER HORST, CAROLINE, HOPPENBROUWERS, MARCUS BENEDICTUS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEASURING MEASURING ANGLES MEASURING AREAS 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 MEDICAL OR VETERINARY SCIENCE PHYSICS SURGERY TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	Method and system for measuring an angle (±) between a first and a second member (1, 2) under dynamic conditions. A first and second acceleration sensor (3, 4), as well as an angle measuring device (6-8) (goniometer) are connected to the first and second member. Under dynamic and static conditions, the angle (±) is measured by the goniometer. Under static conditions, the inclination angle of the first member is measured using the first acceleration sensor and the inclination angle of the second member using the second acceleration sensor and the angle between the first and second member is calculated. Then the deviation is calculated between the angle (±) between the first and second member as measured by the goniometer and the angle (±') as calculated from the inclination angles as measured by both acceleration sensors. Finally an error correction factor (c) is calculated from the deviation between both angles (±,±'). The error correction factor (c) is applied to future and/or previous measurements of the angle (±) between the first and second member done by means of the goniometer.