Output-error parameter estimation, normally a post- ight batch technique, was applied to real-time dynamic modeling problems. Variations on the traditional algorithm were investigated with the goal of making the method suitable for operation in real time. Im- plementation recommendations are given that are dependent on the modeling problem of interest. Application to ight test data showed that accurate parameter estimates and un- certainties for the short-period dynamics model were available every 2 s using time domain data, or every 3 s using frequency domain data. The data compatibility problem was also solved in real time, providing corrected sensor measurements every 4 s. If uncertainty corrections for colored residuals are omitted, this rate can be increased to every 0.5 s.
Real-Time Parameter Estimation Using Output Error
AIAA Aviation and Aeronautics Forum and Exposition (AVIATION 2014) ; 2014 ; Atlanta, GA, United States
2014-06-16
Conference paper
No indication
English
Real-Time Parameter Estimation using Output Error
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