Foldable UAV Arms for Agricultural Transport
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Solution Overview
Problem
Aerial vehicles, such as UAVs, face challenges in operating in dirty agricultural environments due to poor air quality, which can damage sensitive equipment, and require a compact size for easy transportation while maintaining the ability to carry large agricultural loads.
Innovation Solution
A transformable UAV with foldable arms that can compact and extend, sealed to prevent dirty air from entering internal spaces, and equipped with an on-board air purification and cooling system to protect rotors from overheating, allowing it to operate effectively in agricultural environments and transport heavy loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the UAV is made large to carry heavy agricultural loads, then the load capacity is improved, but the ease of transport deteriorates
Solution Approach 1:
The UAV structure is divided into multiple foldable arms that can be segmented and reconfigured. The arms can be folded against the central body during transport and extended during operation, allowing the UAV to transition between compact and large configurations to resolve the contradiction between transport ease and load capacity.
Solution Approach 2:
The UAV employs dynamic foldable arms with joints that allow movement between extended and retracted positions. This dynamic structure enables the UAV to adapt its size - compact for transport and extended for carrying heavy agricultural loads, thus resolving the contradiction between transport ease and load capacity.
2Productivity
If the UAV operates in dirty agricultural environments, then the productivity is improved, but the reliability deteriorates due to poor air quality
Solution Approach 1:
The UAV incorporates sealed arms with seals at the joints to prevent dirty air and agricultural contaminants from entering the internal spaces. These sealing mechanisms protect sensitive internal components while allowing the UAV to operate in dirty agricultural environments, thus resolving the contradiction between productivity and reliability.
Solution Approach 2:
The sealed arm structure acts as an intermediary barrier between the dirty external agricultural environment and the clean internal UAV systems. This intermediate protective layer allows the UAV to maintain reliable operation while achieving agricultural productivity by blocking contaminants from entering sensitive components.
3Ease of operation
If the rotors are exposed to ambient air in agricultural environments, then the ease of operation is improved, but the temperature increases causing overheating
Solution Approach 1:
The UAV incorporates a sealed arm system with internal air circulation that provides cooled air to the rotors. This pneumatic system delivers clean, cool air through the sealed arms to the rotor compartments, preventing overheating while maintaining ease of rotor operation in agricultural environments.
Solution Approach 2:
The sealed arm structure serves as an intermediary air delivery system that transports cool air from the internal environment to the rotors. This intermediate air supply mechanism prevents direct exposure to hot ambient air while maintaining operational effectiveness, thus resolving the contradiction between ease of operation and temperature control.
Data Source
AI summary
An unmanned aerial vehicle (UAV) includes a central body, a plurality of arms extending out from the central body and in fluid communication with the central body, and a plurality of propulsion units. The plurality of arms are configured to route fluid away from the central body of the UAV. Each propulsion unit attached to a corresponding arm of the plurality of arms.