Abstract：Through the error analysis, it is pointed out that the effectiveness of calculating true wind based on the triangular vector model heavily depends on the performance of the sensor.Introduce heading angle error and airspeed error to improve the model.Make the UVA steadily at a constant speed along the set quadrilateral route, and use the nonlinear least squares method to calculate the heading angle error and airspeed error.In the simulation experiment, the calculating results of the original model will change significantly when the UAV makes a turn, while the improved model eliminates this phenomenon.The root mean squared error of the improved model is significantly reduced, and the accuracy is significantly improved.
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2024, Vol. 41 
