Adaptive Motor Frame Pitch Control for Low-Drag Aerial Vehicles
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing aerial vehicles face challenges in achieving stable flight, efficient energy consumption, increased velocity, and reduced drag due to limitations in adaptive aerodynamics, particularly in unmanned aerial vehicles.
Innovation Solution
The implementation of an adaptive aerodynamic system that dynamically adjusts the angle of attack between a motor frame and a central frame using a stabilizing motor and inertial measurement units, allowing for real-time control signals to maintain a constant pitch angle and reduce drag, thereby enhancing flight stability and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If adaptive aerodynamics is applied to adjust attack angle, then flight stability and velocity are improved, but device complexity increases
Solution Approach 1:
The patent combines the stabilizing motor and attack angle adjustment mechanism into an integrated system where a single motor performs both stabilization and aerodynamic adjustment functions, reducing overall device complexity while maintaining flight stability
Solution Approach 2:
The stabilizing motor is designed to serve multiple functions: maintaining pitch angle stability and simultaneously adjusting the attack angle for optimized aerodynamics, eliminating the need for separate mechanisms and reducing device complexity
2Speed
If adaptive aerodynamics is applied to adjust attack angle, then velocity and energy efficiency are improved, but device complexity increases
Solution Approach 1:
The patent implements dynamic attack angle adjustment through the stabilizing motor, allowing the motor frame to rotate relative to the central frame based on real-time flight conditions, thereby optimizing velocity and energy efficiency without requiring complex mechanical structures
Solution Approach 2:
The system dynamically changes the attack angle parameter through motor-driven rotation of the motor frame, enabling optimized aerodynamic performance across varying flight conditions while using a relatively simple actuation mechanism
3Use of energy by moving object
If adaptive aerodynamics is applied to reduce drag, then energy consumption is improved, but device complexity increases
Solution Approach 1:
The patent employs feedback from central frame and motor frame IMUs to the stabilizing motor controller, enabling real-time drag optimization through attack angle adjustment while using a relatively simple closed-loop control system that does not substantially increase device complexity
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
This solution enables longer flight endurance, higher speeds, and reduced wind resistance, allowing the aerial vehicle to carry stabilized payloads and perform rapid descent and ascent, while eliminating the need for additional gimbal stabilizers, thus reducing weight and cost.
Implementation Method 1
A central frame inertial measurement unit (IMU) adapted to output central frame inertial measurements to one or more controllers
Implementation Method 2
The central frame is aerodynamic
Data Source
AI summary
An aerial vehicle including a central frame electro-mechanically connected to a central frame inertial measurement unit (IMU) adapted to output central frame inertial measurements to one or more controllers. A motor frame includes a central rod mounted in perpendicular to a longitudinal axis of the central frame, and a pair of lateral arms each fixated to a different end of the central rod in parallel to the longitudinal axis of the central frame. A motor frame IMU adapted to output motor frame inertial measurements of the motor frame to the flight controller. The central frame is further electro-mechanically connected to the one or more controllers adapted to calculate control signals for rotating the central frame according to the central frame inertial measurements and the central rod inertial measurements. A stabilizing motor adapted to rotate the central frame according to the control signals.