Tiltable-Rotor Drone Layout for Shake-Free Multi-DOF Flight
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Solution Overview
Problem
Existing drones face limitations in achieving stable multiple degrees of freedom (DOF) and maintaining a shake-free state without additional camera stabilization devices, leading to increased complexity, weight, and reduced flight time due to battery consumption.
Innovation Solution
A drone design with independently tiltable rotors about the x and y-axes, supplemented by a foldable wing for lift, and a control system to manage various flight modes, including 4 and 6 DOF configurations, without the need for separate camera stabilization devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a separate camera stabilization device is installed to maintain camera position during flight maneuvers, then the camera can be kept stable and pointing at the target, but the device complexity increases, weight increases, and battery consumption increases reducing flight time
Solution Approach 1:
The patent removes the separate camera stabilization device from the system entirely. Instead of adding a gimbal or stabilization mechanism, the invention integrates camera mounting directly into the fuselage structure, allowing the camera to move with the fuselage during maneuvers. This extraction of the stabilization device eliminates the associated complexity, weight, and power consumption while maintaining acceptable camera positioning for the intended application.
Solution Approach 2:
The camera mounting structure is merged with the fuselage as a single integrated unit. The camera is firmly attached to the fuselage body, eliminating the need for separate stabilization mechanisms. This merging simplifies the overall structure, reduces component count, and decreases weight while maintaining the camera's ability to capture images during flight maneuvers.
2Measurement precision
If a separate camera stabilization device is installed to maintain camera position during flight maneuvers, then the camera can be kept stable and pointing at the target, but the weight increases and battery consumption increases reducing flight time
Solution Approach 1:
The patent removes the separate camera stabilization device from the system entirely. Instead of adding a gimbal or stabilization mechanism, the invention integrates camera mounting directly into the fuselage structure, allowing the camera to move with the fuselage during maneuvers. This extraction of the stabilization device eliminates the associated complexity, weight, and power consumption while maintaining acceptable camera positioning for the intended application.
3Measurement precision
If a separate camera stabilization device is installed to maintain camera position during flight maneuvers, then the camera can be kept stable and pointing at the target, but the battery consumption increases reducing flight time
Solution Approach 1:
The patent removes the separate camera stabilization device from the system entirely. Instead of adding a gimbal or stabilization mechanism, the invention integrates camera mounting directly into the fuselage structure, allowing the camera to move with the fuselage during maneuvers. This extraction of the stabilization device eliminates the associated complexity, weight, and power consumption while maintaining acceptable camera positioning for the intended application.
4Speed
If the multi-rotor flight vehicle changes direction by inclining the body, then the direction can be changed, but the photographing direction of the camera becomes out of the target
Solution Approach 1:
The patent removes the separate camera stabilization device from the system entirely. Instead of adding a gimbal or stabilization mechanism, the invention integrates camera mounting directly into the fuselage structure, allowing the camera to move with the fuselage during maneuvers. This extraction of the stabilization device eliminates the associated complexity, weight, and power consumption while maintaining acceptable camera positioning for the intended application.
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
Enables stable, versatile flight maneuvers with reduced battery consumption and extended flight time by independently controlling rotor tilts and incorporating a wing for additional lift.
Implementation Method 1
a wing part installed on an upper portion of the fuselage and formed in a form of an air foil to provide lift
Implementation Method 2
a first rotor and a second rotor each having its rotational axis aligned in a z-axis direction, and disposed to face each other about the fuselage
Data Source
AI summary
A drone having a fuselage in which a battery is mounted and a forward direction is set in an x-axis. A plurality of rotors disposed about the fuselage in four or more, each rotational axis of which is aligned in a z-axis direction. An x-axis tilting mechanism formed to tilt the plurality of rotors about an axis parallel to the x-axis. A y-axis tilting mechanism formed to tilt the plurality of rotors about an axis parallel to the y-axis. A first drive motor drives the y-axis tilting mechanism unit. A second drive motor drives the x-axis tilting mechanism unit. A control unit configured to implement a plurality of flight modes by controlling the first, second, third rotor and fourth rotors, the first and second drive motors, and a wing part installed on an upper portion of the fuselage and formed as an air foil to provide lift.