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Development of digital flight methodology based on aerodynamic approximation

机译：基于空气动力学近似的数字飞行方法学的发展

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Digital flight is the study commonly called flight simulation. In flight simulation analysis, the biggest challenges are about preparing the complete databases that can be invoked as result files in future. The ability to simulate in a computer regarding the flight motion must be convinced the governing equations of motion for six-degree of freedom. The accuracy of a flight simulation depends to a large extent on the quality of an aerodynamic model database prediction. Key objective is to fly and simulate an aircraft in a computer environment with sufficient level of autonomy under the interest variables. In order to realize the goals, a surrogate model is used as the prediction function based on sampling data obtained by the design of experiments. The sample data for models are acquired from the USAF Stability and Control DATCOM which is considered as exact function, and a database is constructed for two main variables angle of attack and Mach number along the X-force axis, Z-force axis, and pitching, rolling and yawing moment respectively. Furthermore, a comparison value of exact and predicted function was compared through the Means Square Error (MSE). The validation for the digital flight was qualified through the mode motion analysis and flying qualities scale to prove the mission level of the flight status.
机译：数字飞行是通常称为飞行模拟的研究。在飞行模拟分析中，最大的挑战是准备将来可以作为结果文件调用的完整数据库。必须使计算机具有模拟飞行运动的能力，才能确信六自由度的运动控制方程。飞行模拟的准确性在很大程度上取决于空气动力学模型数据库预测的质量。关键目标是在兴趣变量下具有足够自治程度的计算机环境中飞行和模拟飞机。为了实现目标，基于通过实验设计获得的采样数据，将替代模型用作预测函数。模型的样本数据是从USAF稳定和控制DATCOM（被认为是精确函数）获取的，并且针对两个主要变量（沿X力轴，Z力轴和俯仰角的攻角和马赫数）构建了数据库，横摇和横摆力矩。此外，通过均方误差（MSE）比较了精确函数和预测函数的比较值。通过模式运动分析和飞行质量量表对数字飞行进行了验证，以证明飞行状态的任务级别。

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