Adjustable Center of Gravity Winged Drone for Payload Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current VTOL drones are inefficient due to excess weight and drag from multiple motors, limiting their ability to fly in harsh weather conditions and carry payloads, as they are not designed to fly horizontally like conventional airplanes.
Innovation Solution
A drone with adjustable wings and a fuselage that can convert between vertical and horizontal flight modes, featuring adjustable center of gravity and lift, allowing it to carry payloads efficiently over long distances in various environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the drone uses multiple motors for vertical takeoff and landing, then it can achieve VTOL capability, but the weight and drag increase significantly
Solution Approach 1:
The drone transitions from a static multi-motor configuration to a dynamic system where wings can be adjusted between vertical and horizontal positions. This allows the same structure to serve both VTOL and horizontal flight modes, eliminating the need for separate dedicated components for each function.
Solution Approach 2:
The wings serve multiple functions: they provide vertical lift during takeoff and landing when positioned vertically, and provide aerodynamic lift during horizontal flight when positioned horizontally. This multi-functionality eliminates the need for separate motors for each function, reducing overall weight.
2Stability of the object's composition
If the drone uses multiple motors for horizontal flight, then it can maintain VTOL orientation, but energy efficiency decreases
Solution Approach 1:
The system dynamically reconfigures its aerodynamic surfaces by adjusting wing positions based on flight mode. During horizontal flight, the wings are positioned to create efficient aerodynamic lift, allowing the drone to maintain stable orientation with fewer motors and lower energy consumption.
Solution Approach 2:
The drone changes the geometric parameters of its wings (position, angle) to optimize aerodynamic performance. By adjusting these parameters, the system achieves stable horizontal flight with improved energy efficiency compared to maintaining fixed VTOL orientation.
3Ease of operation
If the drone is designed for VTOL flight only, then it can take off and land vertically, but it cannot withstand wind forces in harsh weather
Solution Approach 1:
The drone dynamically adjusts its configuration based on environmental conditions. When encountering strong wind forces, it can transition to horizontal flight mode where the wings are positioned to maximize aerodynamic surface area, providing greater resistance to wind forces while maintaining operational capability.
Solution Approach 2:
The system changes its aerodynamic parameters by adjusting wing positions and angles to optimize performance in harsh weather conditions. This allows the drone to withstand higher wind forces while maintaining vertical takeoff and landing capability when needed.
4Quantity of substance
If the drone carries a payload, then it increases payload capacity, but the center of gravity becomes difficult to control
Solution Approach 1:
The drone uses dynamic adjustment of wing positions and aerodynamic surfaces to compensate for payload-induced center of gravity shifts. This allows the system to maintain stable flight and precise control even when carrying varying payload weights.
Solution Approach 2:
The system changes its aerodynamic parameters dynamically to counterbalance the effect of payload weight. By adjusting these parameters, the drone maintains optimal center of gravity positioning and flight characteristics regardless of payload capacity.
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 drone achieves improved energy efficiency and increased payload capacity by adjusting its center of gravity and lift, enabling it to withstand wind forces and operate in diverse climate conditions, similar to conventional airplanes.
Implementation Method 1
a variety of components that adjust the center of gravity along a fuselage of the drone such that the drone is capable of flying in the horizontal position
Implementation Method 2
Winged drone with adjustable center of gravity for carrying a payload
Data Source
AI summary
A drone can be used to carry a payload. The drone can include at least two wings extending from a fuselage and propellers that allow the drone to fly in a horizontal orientation. The drone can takeoff and land from a vertical orientation via landing rods at the rear of the fuselage. The drone also includes an adjustable center of gravity and/or an adjustable center of lift. The center of gravity can be adjusted by changing the weight of payload located fore and aft of the center of gravity or moving at least a portion of the payload fore or aft along the fuselage. The center of lift can be adjusted by swinging the wings away from or towards the fuselage or sliding the wings fore or aft along the fuselage such that the center of lift is adjacent to the center of gravity.