飛機氣動力參數之判別

Abstract

The estimate of aerodynamics parameters from fight data is very important for the analysis of the characteristics of an aircraft. In this thesis we use the Maximum Likeli-hod Estimate (MLE) method to identify the parameters of a simplified and linearized aircraft model with both the plant and measurement noises. An improvement has been made to make the Hessian matrix to be safely positive-definite. Simulations show that the proposed approach is applicable.