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- W4300908643 abstract "Unmanned aerial vehicles (UAVs) are used in various industries such as agriculture and logistics, to name but a few, where their applications are beyond basic mapping, surveillance, and photography. In near future, UAVs are expected to be used in package delivery service and larger electric vertical takeoff and landing vehicles will be employed for urban air mobility applications (air taxi). Thus, several electric propulsion systems will enter the low-altitude airspace with frequent take offs and landings. To achieve state-of-the-art safety standards under such high traffic density, UAVs will require in-time fault detection and performance monitoring of critical powertrain components. This work focuses on propeller blade performance and damage detection in electric UAVs. Propellers are the fastest moving component in an UAV; even a minor defect in the propeller blades could cause performance deterioration, with consequent challenges in flying through the planned trajectory or adhere to the safety requirements of the operation. Monitoring and updating aerodynamic efficiency of each rotor would therefore enable the detection of off-nominal propeller conditions thus magnifying the state-awareness of powertrain monitoring systems based on the acquired electrical signals. An extended Kalman filter-based parameter estimation algorithm is being implemented that incorporates time history responses from UAV powertrain in conjunction with a full powertrain system model to identify changes in the propeller aerodynamic efficiency. Propeller fault detection is achieved by incorporating the aerodynamic parameters of the propeller into the powertrain model. The proposed technique is successfully validated with numerical simulations." @default.
- W4300908643 created "2022-10-04" @default.
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- W4300908643 date "2022-03-05" @default.
- W4300908643 modified "2023-09-27" @default.
- W4300908643 title "Fault detection and Performance Monitoring of Propellers in Electric UAV" @default.
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- W4300908643 doi "https://doi.org/10.1109/aero53065.2022.9843261" @default.
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