Guided Airdrop Package Flight Control for Small-Zone Delivery
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Solution Overview
Problem
Conventional airdrop systems lack precision and reliability in adverse weather conditions, are prone to damage, and require large landing zones, making them unsuitable for urban or commercial delivery operations.
Innovation Solution
A guided direct air-shipping package system with a flight controller, aerodynamic shape, and deployable fins or wings, using GPS and sensors for accurate navigation and control, capable of soft landings with energy-absorbing materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If parachute structures are used for airdrop delivery, then landing impact forces are reduced and soft landings are enabled, but guidance and control precision deteriorates in adverse weather conditions
Solution Approach 1:
The patent changes the aerodynamic parameters by transitioning from parachute-based soft landing to a powered vehicle with controllable thrust. The vehicle maintains soft landing capability through controlled descent while achieving precise guidance via engine thrust control and aerodynamic surface adjustment, resolving the contradiction between impact resistance and guidance reliability
Solution Approach 2:
The patent replaces the passive mechanical parachute system with an active powered vehicle system that uses engine thrust, aerodynamic control surfaces, and electronic flight control. This substitution enables active guidance and control while maintaining soft landing capability, overcoming the weather sensitivity of parachute systems
2Quantity of substance
If large surface area parachutes are used to reduce wing loading, then payload capacity increases, but the parachute becomes entangled in ground obstructions
Solution Approach 1:
The patent changes the scaling parameters by using powered flight to achieve low wing loading without requiring large parachute surfaces. The vehicle can control its descent rate and horizontal speed independently, allowing small-vehicle configurations that avoid ground obstructions while maintaining adequate payload capacity
Solution Approach 2:
The patent transitions from two-dimensional parachute deployment to three-dimensional powered flight with vertical and horizontal control independence. This enables the vehicle to approach landing zones from overhead and control descent precisely, avoiding entanglement with ground obstructions while delivering payloads
3Adaptability or versatility
If conventional airdrop systems are used, then delivery to remote areas is enabled, but landing zone size requirements increase
Solution Approach 1:
The patent replaces passive parachute drift with active powered navigation using GPS, inertial sensors, and controllable thrust. This enables precise positioning at small landing zones in remote areas while maintaining the ability to deliver to locations inaccessible by ground transport
Solution Approach 2:
The patent implements closed-loop feedback control using GPS position data, inertial measurement unit feedback, and real-time trajectory adjustment. This enables accurate navigation to small, pre-designated landing zones in remote areas, eliminating the need for large safety buffers required by conventional airdrop systems
4Adaptability or versatility
If multiple parachute sizes are used to cover broad payload range, then adaptability to different package weights improves, but system complexity and cost increase
Solution Approach 1:
The patent creates a universal powered vehicle platform that can accommodate various payload weights through electronic thrust control and adjustable aerodynamic configuration. A single vehicle design handles the full payload range by controlling engine power output and descent rate, eliminating the need for multiple specialized parachute systems
Solution Approach 2:
The patent uses dynamic control of engine thrust, rotor speed, and aerodynamic surfaces to adapt to different payload weights in real-time. The flight control system continuously adjusts control parameters based on actual weight and environmental conditions, providing versatile payload accommodation without increasing hardware 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
Enables precise and safe air-to-ground deliveries in various settings, including urban areas and extreme weather, with reduced landing zone requirements and lower costs compared to traditional systems.
Implementation Method 1
aerodynamic shape... capable of soft landings with energy-absorbing materials
Implementation Method 2
aerodynamic shape... capable of soft landings with energy-absorbing materials
Implementation Method 3
using GPS and sensors for accurate navigation and control
Implementation Method 4
capable of soft landings with energy-absorbing materials
Data Source
AI summary
Described is a method of delivery for cargo or goods from an aerial vehicle (mothership) to a designated ground delivery location via the use of a direct air shipping (DASH) package. For example an aerial vehicle may be an airplane or helicopter that remains at altitude with a DASH packaged stowed for deployment. As the mothership travels in the vicinity of the designated location the DASH package flight control computer (flight controller) calculates a preferred travel trajectory based upon the aerodynamic properties of the package and location relative to the designated delivery location such as a small delivery pad located on a patio of a home. When the mothership transits through a calculated release point the DASH package disengages the mothership. As the DASH package descends it may increase accuracy relative to the designated delivery location by altering aerodynamic properties to maintain the preferred travel trajectory and decreasing landing zone size requirements and increasing precision of delivery. To reduce the impact force at landing the designated delivery location and/or the DASH package may contain a net, airbag, parachute or similar device to provide a suitably soft landing suitable for commercial home delivery.