4015 四元数による処理を応用した自動車の加速度データ解析(J24-2 交通機械の先端制御(2),J24 交通機械の先端制御,2005年度年次大会)
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概要
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A motion analysis based on quaternion processing was performed on an acceleration data acquired with an on-board recorder at usual driving. Three dimensional acceleration time series data was transformed into a quaternion spectral coefficient series. Major motion components were extracted according to the index values estimated from those coefficients. And its phase information could be observed on the display with the ellipses and a color bar code. The characteristics of those components corresponded to the dynamic states of the vehicle's motion. Such analysis is useful as a tool for rapid access to the desired part of huge acceleration database or the long data record.
- 2005-09-18