Abstract
Based on the vector relationship of motion locations on small fixed wing UAV, a multi-step wind field estimation method is proposed. And the impact of steps on estimation accuracy is tested with flight data. First, the estimation model which is based on GPS/DR is obtained with the location information of UAV. Next, the optimal value of steps is obtained with testing flight in four different models. In the simulation, under the condition of 150m/s speed, 1 second sample step and no more than 5 steps, the wind information is estimated accurately with the proposed method and the measurement error of wind speed does not exceed 10%.
| Original language | English |
|---|---|
| Pages (from-to) | 750-756 |
| Number of pages | 7 |
| Journal | Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University |
| Volume | 33 |
| Issue number | 5 |
| State | Published - Oct 2015 |
Keywords
- Computer simulation
- Errors
- Estimation
- Experiments
- Fixed wings
- Flight dynamics
- Flight position
- Flight test
- Global positioning system
- GPS/DR
- Matrix algebra
- Measurement errors
- Optimization
- Step
- Trajectories
- Unmanned aerial vehicles (UAV)
- Vectors
- Wind field estimation