Document Detail

Errors in derived kinematic variables determined from a fixed accelerometer configuration.
MedLine Citation:
PMID:  7338446     Owner:  NLM     Status:  MEDLINE    
Previous authors have described the unstable nature of the differential equations to be solved in order to derive angular velocity components of a rigid body from an accelerometer configuration mounted on the body. Suggestions for alternatives have been made using redundant accelerometers or a combination of accelerometers and gyros. It is the purpose of this paper to present the errors in derived linear and angular kinematic variables consistent with a particular 3-2-1 accelerometer configuration for acceleration experiments conducted at the Naval Biodynamics Laboratory (NBDL). Accelerometer errors of sensitivity, linearity and orientation are considered. The statistics of those errors are obtained from repetitive calibrations of the instrumentation packages and are consistent with the calibration techniques at NBDL. Worst case combinations of the standard deviation errors in sensitivity, linearity and orientation are presented. The performance of the six-accelerometer configuration is compared with the least squares solution using three triaxial accelerometers.
L S Lustick; H G Williamson
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  ISA transactions     Volume:  20     ISSN:  0019-0578     ISO Abbreviation:  ISA Trans     Publication Date:  1981  
Date Detail:
Created Date:  1982-06-21     Completed Date:  1982-06-21     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0374750     Medline TA:  ISA Trans     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  35-47     Citation Subset:  IM    
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MeSH Terms
Biomedical Engineering / instrumentation*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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