UAV Hover Pre-Flight Checks Using Autonomous Flight Response Sensing
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Solution Overview
Problem
Existing unmanned aerial vehicles (UAVs) face challenges in efficiently performing pre-flight checks to assess operational conditions and maintenance needs, particularly in a controlled environment, which can affect flight safety and efficiency.
Innovation Solution
A system and method for UAVs to perform pre-flight checks by automatically altering controllable components, such as rotors and ailerons, while monitoring sensor data to evaluate performance and compare it to expected values, allowing for targeted analysis of potential maintenance needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pre-flight checks are performed manually or without systematic procedures, then operational flexibility is maintained, but flight safety and reliability deteriorate due to inconsistent checks
Solution Approach 1:
The UAV performs self-diagnosis by automatically altering controllable components and monitoring sensor data to evaluate its own operational condition, eliminating the need for manual inspection while ensuring consistent safety checks
Solution Approach 2:
The system monitors sensor data in real-time during component alteration and compares actual flight responses against expected values, providing feedback to identify irregularities and determine maintenance needs
2Measurement precision
If comprehensive pre-flight checks are performed on all components, then maintenance needs are accurately identified, but time consumption and operational efficiency deteriorate
Solution Approach 1:
The system performs targeted checks on specific controllable components (rotors, ailerons, elevators, rudders) rather than exhaustive inspection of all UAV systems, achieving sufficient maintenance assessment accuracy in reduced time
Solution Approach 2:
The UAV alters controllable components and performs monitoring during a pre-flight check phase before actual flight operations, identifying maintenance needs in advance to prevent in-flight failures
3Productivity
If systematic pre-flight checks with component alteration are implemented, then maintenance scheduling is improved, but operational complexity and procedural burden increase
Solution Approach 1:
The UAV autonomously performs the systematic check procedure by automatically altering components and monitoring sensor data without requiring operator intervention, maintaining operational simplicity while improving maintenance scheduling
Solution Approach 2:
Manual inspection procedures are replaced with an automated electronic system that uses sensor data monitoring and comparative analysis to assess component health, reducing procedural burden while enhancing maintenance efficiency
Data Source
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AI summary
A method includes determining an operational condition associated with an unmanned aerial vehicle (UAV). The method includes, responsive to determining the operational condition, causing the UAV to perform a pre-flight check. The pre-flight check includes hovering the UAV above a takeoff location. The pre-flight check includes, while hovering the UAV, moving one or more controllable components of the UAV in accordance with a predetermined sequence of movements. The pre-flight check includes obtaining, by one or more sensors of the UAV, sensor data indicative of a flight response of the UAV to moving the one or more controllable components while hovering the UAV. The pre-flight check includes comparing the sensor data to expected sensor data associated with an expected flight response to the predetermined sequence of movements while hovering the UAV. The pre- flight check includes, based on comparing the sensor data to the expected sensor data, evaluating performance of the UAV.