Active damping of flexible modes for unmanned aerial vehicles
US10577116B1 · kind B1 · utility
1Cited by
2References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 7, 2018 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Nov 14, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64U2201/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Embodiments described herein provide active dampening of flexible modes of a UAV during flight operations. During operation of a UAV having a flexible airframe, the thrust and/or torque of the motor(s) coupled to propellers can induce flexing in the airframe that reduces the flight performance of the UAV. Measurements of a linear acceleration and/or an angular rate at a location proximate to the motor are performed, and flexible modes in the airframe of the UAV are identified based on the measurements. An operation of the motor(s) is modified based on the measurements to dampen the flexible mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.