UAV Damping Element for Vibration Isolation
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Solution Overview
Problem
Vibrations from motor sources and air flows in unmanned aerial vehicles (UAVs) cause unsatisfactory aerial photography and video capture, as existing damping solutions are inadequate in reducing camera shock effectively.
Innovation Solution
A supporting assembly with a damping element placed between the UAV's main body and the gimbal, comprising an elastic material or spring, which absorbs vibrations from rotor assemblies before they reach the gimbal, ensuring a stable environment for photography and video recording.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a damping component is placed between the UAV main body and the gimbal, then camera shock is reduced, but the device complexity increases
Solution Approach 1:
The damping element is nested within the supporting assembly structure, specifically positioned between the first base and second base. The arm connects the motor assembly to the damping element, creating a nested configuration where the damping function is integrated into the existing supporting structure rather than adding a separate external component system.
Solution Approach 2:
The damping element acts as an intermediary component between the motor assembly (vibration source) and the gimbal (camera mounting). It mediates the vibration transmission by absorbing and attenuating shocks from the motor assembly before they reach the gimbal, thereby protecting the camera while maintaining structural connectivity.
2Object-affected harmful factors
If the damping element is positioned between the motor assembly and gimbal, then vibration attenuation is improved, but the structural complexity increases
Solution Approach 1:
The supporting assembly is segmented into distinct functional modules: the arm for mechanical support, the damping element for vibration attenuation, and the base structures for mounting. This segmentation allows each component to be optimized for its specific function while simplifying the overall structural design through modular assembly.
Solution Approach 2:
The damping element serves as a mediator in the force transmission path between the motor assembly and gimbal. It introduces a compliant interface that selectively attenuates vibration frequencies while maintaining structural integrity, thereby improving vibration attenuation without requiring complex active control systems.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The damping element effectively attenuates vibrations, resulting in clear and stable aerial photography and video capture by isolating the gimbal and camera from motor-induced shocks during UAV flight.
Implementation Method 1
a damping element (4) located between the first base (1) and the second base (2)... comprising an elastic material or spring, which absorbs vibrations from rotor assemblies
Data Source
AI summary
Disclosed is a supporting assembly and an unmanned aerial vehicle using the same, the supporting assembly includes a first base, a second base, a plurality of arms, and a damping element disposed between the first base and the second base. The second base is disposed on the first base. Each of the plurality of arms includes a proximal end and a distal end opposite to the proximal end, the proximal end is secured to the first base, and the distal end is configured for mounting a vibration source.