UAV Power Driver Fluid Actuation System
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Solution Overview
Problem
Traditional motors and pneumatic valves used in various industries are bulky, noisy, and generate pollution, making them unsuitable for miniaturization and portability, particularly in applications like unmanned aerial vehicles where compact and efficient gas transportation is required.
Innovation Solution
A power driver for unmanned aerial vehicles that converts electric energy into kinetic energy to generate specific gas pressure and flow rate using a fluid actuation system with flow guiding units, convergence chambers, and adjustable valves, allowing for flexible control of fluid transportation and efficient gas transportation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If traditional motors and pneumatic valves are used for gas transportation, then the required kinetic energy and gas flow can be achieved, but the device volume becomes huge and noisy
Solution Approach 1:
The device is segmented into multiple flow guiding units (first, second, third flow guiding units) that can be arranged in series or parallel configurations. Each unit independently generates pressure gradient and transports fluid, allowing the system to achieve required kinetic energy through distributed modular components rather than a single large motor, thereby reducing overall device volume while maintaining power output.
Solution Approach 2:
The invention replaces traditional motors with a pneumatic-hydraulic fluid actuation system that uses pressure gradients generated by flow guiding units to drive fluid flow. This pneumatic approach eliminates the need for bulky electric motors and mechanical transmissions, achieving the same kinetic energy output with significantly reduced device volume and without mechanical noise.
2Power
If traditional motors and compressors are used to achieve required kinetic energy, then sufficient power is provided, but huge noise and pollution are generated
Solution Approach 1:
The system uses silent pneumatic actuation through pressure-driven fluid flow instead of noisy mechanical motors and compressors. The flow guiding units generate pressure gradients that move fluid through channels without mechanical contact or combustion, eliminating noise and pollution while providing sufficient kinetic energy for the application.
3Ease of operation
If traditional pneumatic valves are used for fluid control, then gas transportation is achieved, but the device cannot be miniaturized or made portable
Solution Approach 1:
The device is divided into multiple small-scale flow guiding units with integrated flow guiding channels and convergence chambers. Each unit is compact and self-contained, handling a portion of the total fluid flow. This segmentation allows the system to maintain portable size while achieving effective gas transportation through the combined output of multiple small units arranged in series or parallel.
Solution Approach 2:
Multiple flow guiding units are merged into a single integrated system with common inlet and outlet channels. The units work together synergistically, with their individual pressure gradients combining to produce the required overall fluid flow and kinetic energy, achieving compact portable design without sacrificing transportation capability.
4Productivity
If the transporting amount of fluid is increased for high efficiency gas transportation, then the flow rate and pressure are improved, but the control complexity increases
Solution Approach 1:
The system employs dynamic control where the controller selectively activates or deactivates individual flow guiding units based on required flow rate and pressure demands. This dynamic configuration allows the system to scale transporting amount by engaging more units in parallel or series without requiring complex mechanical adjustments, maintaining control simplicity while achieving high productivity when needed.
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 solution provides a compact, efficient, and flexible means of gas transportation, reducing noise and pollution, and enabling sufficient driving force for flight while meeting the requirements of high transporting amount and efficiency.
Implementation Method 1
converts electric energy into kinetic energy, and the kinetic energy is utilized to generate a specific gas pressure and gas flow rate
Implementation Method 2
Each flow guiding unit is enabled to generate a pressure gradient inside itself, so that fluid is inhaled, flows through a flow guiding channel
Data Source
AI summary
A power driver of an unmanned aerial vehicle is disclosed and includes a main body, a fluid actuation system and a controller, wherein the fluid actuation system includes a driving zone, a converging chamber, a plurality of valves and a fluid discharging zone. The driving zone includes a plurality of flow guiding units which arranged in series, parallel or series-parallel, each of the flow guiding unit generates an inside pressure gradient after being actuated, so as to inhale fluid and diverge fluid by guiding channels, and flow into the convergence chamber for storage, wherein the amount of the fluid transported is controlled by the plurality of valves disposed in the connection channels through the controller, and fluid is finally converged to the fluid discharging zone for discharging the specific transportation amount of fluid.