DAGE-MTI Excel Series Manuel d'utilisateur télécharger pdf (Page 14)

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 DocumentMT0100P.N

©XsensTechnologiesB.V. MTiandMTxUserManualandTechnicalDocumentation

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4 OutputSpecification

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InthischapterthevariousoutputmodesoftheMTiandMTxaredescribed.Thetwomajormodes,Orientation

outputandCalibrateddataoutput,arediscussedseparately.However,pleasenotethatthetwooutputmodes

caneasilybecombined,sothatyougetacombineddatapacketoforientationdataandinertialcalibrateddata

together,withthesametimestamp.

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4.1 Co‐ordinatesystems

4.1.1 CalibratedSensorreadings

All calibrated sensor readings (accelerations, rate of turn, earth magnetic field) are in the right handed

Cartesianco‐ordinatesystemasdefinedinfigure1.Thisco‐ordinatesystemisbody‐fixedtothedeviceandis

definedasthesensorco‐ordinatesystem(S).The3Dorientationoutputisdiscussedbelowinsection4.1.2.

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Figure2MTiandMTxwithsensor‐fixedco‐ordinatesystemoverlaid(S).

Theco‐ordinatesystemisalignedtotheexternalhousingoftheMTiandMTx.

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The aluminum base plate of the MTi is carefully aligned with the output coordinate system during the

individualfactorycalibration.Thealignmentofthebottomplaneandsidesofthealuminumbase‐platewith

respectto(w.r.t.)thesensor‐fixedoutputcoordinatesystem(S)iswithin0.1deg.

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DAGE-MTI Excel Series Manuel d'utilisateur Page 14