Drone Release Detection for Energy-Saving UAV Carrier Deployment
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Solution Overview
Problem
There is a need for a UAV carrier system that can transport Unmanned Aerial Vehicles (UAVs) to their mission area while conserving their limited energy, and a mechanism for the UAVs to recognize their release from the carrier and activate their motors to navigate to their targets.
Innovation Solution
A system comprising a UAV carrier with a first controller to release UAVs and a second controller on each UAV to activate its motors upon fulfillment of specific conditions, such as reaching terminal velocity, altitude, or a predetermined time, allowing the UAVs to generate lift and navigate to their mission area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If UAVs fly autonomously to the mission area, then they can reach their destination, but they consume excessive energy from their limited power supply
Solution Approach 1:
The carrier UAV performs the preliminary action of transporting the drone to the vicinity of the mission area before the drone activates its motors. This preliminary transportation phase allows the drone to conserve its limited energy supply for the actual mission execution, rather than consuming energy during the long journey to the mission area.
2Adaptability or versatility
If the UAV carrier transports multiple UAVs, then it increases mission capability, but it increases the complexity of the release and activation system
Solution Approach 1:
Each drone is equipped with its own controller that autonomously monitors conditions (such as carrier altitude and velocity) and activates motors when release conditions are met. This self-service approach eliminates the need for complex centralized control systems, as each drone independently determines when to activate its motors based on pre-programmed condition monitoring.
Solution Approach 2:
The system implements feedback mechanisms where controllers continuously monitor carrier UAV parameters (altitude, velocity) and drone status (motor state, release condition). This feedback loop allows the system to automatically detect when release conditions are satisfied and trigger motor activation without requiring complex external control signals.
3Speed
If motors are activated immediately upon release, then the UAV can quickly navigate to target, but it may activate before stable flight conditions are achieved
Solution Approach 1:
The controller continuously monitors flight conditions (altitude, velocity, stability parameters) before motor activation. This preliminary monitoring ensures that all necessary conditions for reliable motor activation are satisfied in advance, preventing premature activation during unstable flight phases while still enabling quick response once conditions are met.
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 efficient transportation of UAVs to their mission area, conserving their energy for the mission, and ensures reliable activation of motors for navigation upon release, enhancing their operational capability.
Implementation Method 1
one or more motors configured to generate, directly or indirectly, a lift, lifting the UAV
Implementation Method 2
each of the UAVs further comprises an accelerometer, and wherein at least one of the conditions is that readings of the accelerometer indicate that the UAV reaches a terminal velocity
Data Source
AI summary
A system comprising: one or more Unmanned Aerial Vehicles (UAVs); and a UAV carrier configured to carry the UAVs from an origin to a destination; wherein the UAV carrier comprises a first controller configured to release the UAVs from the UAV carrier; and wherein each of the UAVs comprises: one or more motors configured to generate, directly or indirectly, a lift, lifting the UAV; and a second controller, configured to: activate at least one of the motors upon fulfilment of one or more conditions, thereby generating the lift, wherein after the release of the respective UAV and before the activation of the at least one motor of the respective UAV the motors of the respective UAV are inactive.