Research on mode switch logic in Unmanned Aerial Vehicle autonomous soaring

CHEN Jie; SHI Zhiwei; YAO Zhangyi; YIN Zhenquan; GE Zengran

doi:10.11729/syltlx20210165

Volume 37 Issue 3

Jun. 2023

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Article Navigation > Journal of Experiments in Fluid Mechanics > 2023 > 37(3): 113-123

CHEN J, SHI Z W, YAO Z Y, et al. Research on mode switch logic in Unmanned Aerial Vehicle autonomous soaring[J]. Journal of Experiments in Fluid Mechanics, 2023, 37(3): 113-123 doi: 10.11729/syltlx20210165

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Research on mode switch logic in Unmanned Aerial Vehicle autonomous soaring

doi: 10.11729/syltlx20210165

Nanjing University of Aeronautics and Astronautics, Nanjing　210016, China

Received Date: 2021-10-28
Accepted Date: 2022-04-07
Rev Recd Date: 2022-03-25
Publish Date: 2023-06-25

Abstract

Abstract

Unmanned Aerial Vehicle(UAV) can obtain energy from the thermal updraft in the natural environment by autonomous soaring to improve its endurance. Mode switch is the key of UAV autonomous soaring. For the mode switch problem in autonomous soaring of UAV, an airflow sensing system was designed based on the seven-hole probe and the embedded technology. The airflow sensing system could measure the direction and speed of airflow up to 72° flow angle. Based on the airflow sensing system, the mode switch logic was designed to control the UAV to enter and leave the soaring mode. Using the wind tunnel virtual flight experiment technology, the situation of UAV encountering thermal updraft was simulated in the wind tunnel to verify the feasibility of the designed mode switch logic. Results of the wind tunnel virtual flight experiment show that under the influence of different sizes of updraft, the mode switch logic designed based on the airflow sensing system could make the UAV enter and leave the soaring mode independently, and the mode switch logic could make the UAV leave the soaring mode under different roll angle commands.
- UAV,
- thermal updraft,
- seven-hole probe,
- airflow sensing system,
- mode switch logic,
- wind tunnel virtual flight

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References(26)

References

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