A digital data acquisition system that has been flight tested in a Schweizer 2-32 sailplane, and the algorithms designed for high angle of attack parameter identification are described in this paper. The system is portable and self-contained. Inertial sensors are mounted in a strapdown unit. Two Kiel-probes are used for airspeed measurement. "Off-the-shelf" microelectronic components are configured to operate as a multiprocessing system. The on-board computing power is used to monitor the sensor and support system and to improve flight test effectiveness. The Estimation-Before-Modeling technique has been selected for parameter identification. A time history of a flight test maneuver that will be used in the estimation of the aerodynamic parameters also is presented.
Data Acquisition System and Methodology for High Angle of Attack Parameter Estimation
Sae Technical Papers
Business Aircraft Meeting and Exposition ; 1983
1983-02-01
Conference paper
English
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