SYSTEM AND METHOD FOR CALIBRATING AN ACCELEROMETER
A method and system are provided for obtaining data for calibrating an accelerometer. The method and system operate by using at least one magnetometer reading to detect that a first orientation is being maintained; obtaining a plurality of accelerometer readings at the first orientation; using at le...
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| creator | ALMALKI, NAZIH SNOW, CHRISTOPHER HARRIS |
| description | A method and system are provided for obtaining data for calibrating an accelerometer. The method and system operate by using at least one magnetometer reading to detect that a first orientation is being maintained; obtaining a plurality of accelerometer readings at the first orientation; using at least one magnetometer reading to detect that a plurality of additional orientations are being maintained and, for each orientation, obtaining a plurality of accelerometer readings at that orientation; determining calibration parameters comprising, for each axis of the accelerometer, at least one of a gain value and an offset value, using the plurality of accelerometer readings at the first and plurality of additional orientations; and applying the calibration parameters to subsequent accelerometer readings. |
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The method and system operate by using at least one magnetometer reading to detect that a first orientation is being maintained; obtaining a plurality of accelerometer readings at the first orientation; using at least one magnetometer reading to detect that a plurality of additional orientations are being maintained and, for each orientation, obtaining a plurality of accelerometer readings at that orientation; determining calibration parameters comprising, for each axis of the accelerometer, at least one of a gain value and an offset value, using the plurality of accelerometer readings at the first and plurality of additional orientations; and applying the calibration parameters to subsequent accelerometer readings.</description><language>eng ; fre</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; 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 ; WIRELESS COMMUNICATIONS NETWORKS</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120808&DB=EPODOC&CC=CA&NR=2766748A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120808&DB=EPODOC&CC=CA&NR=2766748A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ALMALKI, NAZIH</creatorcontrib><creatorcontrib>SNOW, CHRISTOPHER HARRIS</creatorcontrib><title>SYSTEM AND METHOD FOR CALIBRATING AN ACCELEROMETER</title><description>A method and system are provided for obtaining data for calibrating an accelerometer. The method and system operate by using at least one magnetometer reading to detect that a first orientation is being maintained; obtaining a plurality of accelerometer readings at the first orientation; using at least one magnetometer reading to detect that a plurality of additional orientations are being maintained and, for each orientation, obtaining a plurality of accelerometer readings at that orientation; determining calibration parameters comprising, for each axis of the accelerometer, at least one of a gain value and an offset value, using the plurality of accelerometer readings at the first and plurality of additional orientations; and applying the calibration parameters to subsequent accelerometer readings.</description><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>GYROSCOPIC INSTRUMENTS</subject><subject>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</subject><subject>MEASURING</subject><subject>MEASURING DISTANCES, LEVELS OR BEARINGS</subject><subject>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</subject><subject>NAVIGATION</subject><subject>PHOTOGRAMMETRY OR VIDEOGRAMMETRY</subject><subject>PHYSICS</subject><subject>SURVEYING</subject><subject>TESTING</subject><subject>WIRELESS COMMUNICATIONS NETWORKS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAKjgwOcfVVcPRzUfB1DfHwd1Fw8w9ScHb08XQKcgzx9HMHSik4Oju7-rgG-QNVuAbxMLCmJeYUp_JCaW4GBTfXEGcP3dSC_PjU4oLE5NS81JJ4Z0cjczMzcxMLR0NjIpQAABlkJjk</recordid><startdate>20120808</startdate><enddate>20120808</enddate><creator>ALMALKI, NAZIH</creator><creator>SNOW, CHRISTOPHER HARRIS</creator><scope>EVB</scope></search><sort><creationdate>20120808</creationdate><title>SYSTEM AND METHOD FOR CALIBRATING AN ACCELEROMETER</title><author>ALMALKI, NAZIH ; SNOW, CHRISTOPHER HARRIS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2766748A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2012</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>GYROSCOPIC INSTRUMENTS</topic><topic>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</topic><topic>MEASURING</topic><topic>MEASURING DISTANCES, LEVELS OR BEARINGS</topic><topic>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</topic><topic>NAVIGATION</topic><topic>PHOTOGRAMMETRY OR VIDEOGRAMMETRY</topic><topic>PHYSICS</topic><topic>SURVEYING</topic><topic>TESTING</topic><topic>WIRELESS COMMUNICATIONS NETWORKS</topic><toplevel>online_resources</toplevel><creatorcontrib>ALMALKI, NAZIH</creatorcontrib><creatorcontrib>SNOW, CHRISTOPHER HARRIS</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ALMALKI, NAZIH</au><au>SNOW, CHRISTOPHER HARRIS</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SYSTEM AND METHOD FOR CALIBRATING AN ACCELEROMETER</title><date>2012-08-08</date><risdate>2012</risdate><abstract>A method and system are provided for obtaining data for calibrating an accelerometer. The method and system operate by using at least one magnetometer reading to detect that a first orientation is being maintained; obtaining a plurality of accelerometer readings at the first orientation; using at least one magnetometer reading to detect that a plurality of additional orientations are being maintained and, for each orientation, obtaining a plurality of accelerometer readings at that orientation; determining calibration parameters comprising, for each axis of the accelerometer, at least one of a gain value and an offset value, using the plurality of accelerometer readings at the first and plurality of additional orientations; and applying the calibration parameters to subsequent accelerometer readings.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY 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 WIRELESS COMMUNICATIONS NETWORKS |
| title | SYSTEM AND METHOD FOR CALIBRATING AN ACCELEROMETER |
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