飛行中の航空機に作用する風の推定

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This paper describes the estimation of wind vectors acting on a flying airplane. The navigation display of current commercial airliners shows a wind vector calculated using an approximation that a sideslip angle is zero. This conventional method increases the estimation error as the sideslip angle increases. The sideslip angle estimation method is investigated using acceleration data from DFRD (Digital Flight Recorded Data) which indicate the aerodynamic forces. The wind vectors acting on a landing aircraft are estimated to compared with the conventional method.