Correction method for improving high-temperature strain measurement precision
The invention discloses a correction method for improving high-temperature strain measurement precision. The correction method comprises the following steps: carrying out calibration experiments on sensitivity coefficient, heat output, null drift and creep parameters of a high-temperature strain sen...
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| creator | ZHANG JIAMING WANG WENRUI TENG GUANGRONG |
| description | The invention discloses a correction method for improving high-temperature strain measurement precision. The correction method comprises the following steps: carrying out calibration experiments on sensitivity coefficient, heat output, null drift and creep parameters of a high-temperature strain sensor; aiming at the sensitivity coefficient and the heat output, fitting calibration results at different temperatures to obtain a curve expression of the sensitivity coefficient and a curve expression of the heat output at different temperatures; aiming at the null drift and the creep, respectively selecting calibration results of a preset duration as calibration data at corresponding temperatures, and then respectively fitting the calibration results at different temperatures to obtain a curve expression of the null drift and a curve expression of the creep at different temperatures; based on this, establishing a comprehensive correction model; and correcting the measurement result of the high-temperature strain m |
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The correction method comprises the following steps: carrying out calibration experiments on sensitivity coefficient, heat output, null drift and creep parameters of a high-temperature strain sensor; aiming at the sensitivity coefficient and the heat output, fitting calibration results at different temperatures to obtain a curve expression of the sensitivity coefficient and a curve expression of the heat output at different temperatures; aiming at the null drift and the creep, respectively selecting calibration results of a preset duration as calibration data at corresponding temperatures, and then respectively fitting the calibration results at different temperatures to obtain a curve expression of the null drift and a curve expression of the creep at different temperatures; based on this, establishing a comprehensive correction model; and correcting the measurement result of the high-temperature strain m</description><language>chi ; eng</language><subject>MEASURING ; MEASURING ANGLES ; MEASURING AREAS ; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; PHYSICS ; TESTING</subject><creationdate>2022</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=20220301&DB=EPODOC&CC=CN&NR=114111695A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220301&DB=EPODOC&CC=CN&NR=114111695A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG JIAMING</creatorcontrib><creatorcontrib>WANG WENRUI</creatorcontrib><creatorcontrib>TENG GUANGRONG</creatorcontrib><title>Correction method for improving high-temperature strain measurement precision</title><description>The invention discloses a correction method for improving high-temperature strain measurement precision. 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The correction method comprises the following steps: carrying out calibration experiments on sensitivity coefficient, heat output, null drift and creep parameters of a high-temperature strain sensor; aiming at the sensitivity coefficient and the heat output, fitting calibration results at different temperatures to obtain a curve expression of the sensitivity coefficient and a curve expression of the heat output at different temperatures; aiming at the null drift and the creep, respectively selecting calibration results of a preset duration as calibration data at corresponding temperatures, and then respectively fitting the calibration results at different temperatures to obtain a curve expression of the null drift and a curve expression of the creep at different temperatures; based on this, establishing a comprehensive correction model; and correcting the measurement result of the high-temperature strain m</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | MEASURING MEASURING ANGLES MEASURING AREAS MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING |
| title | Correction method for improving high-temperature strain measurement precision |
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