Precision Airdrop Release Planning With 4D Wind Measurement
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Solution Overview
Problem
Current airdrop operations suffer from significant errors due to outdated forecast data and multiple passes over the intended landing area, increasing detection risk and operation time, and dropsonde data collection errors.
Innovation Solution
An adaptive airdrop system with a four-dimensional (4D) wind measurement system and processing system that continuously measures atmospheric wind velocity and direction, iteratively processes this data to calculate a precise flight plan and release point for the payload.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple passes are made over the intended landing area to measure wind and recalculate CARP, then measurement precision is improved, but operation time increases and detection risk increases
Solution Approach 1:
The system performs preliminary wind measurements and CARP calculations before the actual airdrop operation. By pre-measuring wind conditions and pre-calculating the release point, the system eliminates the need for multiple reconnaissance passes during the critical operation phase, thereby reducing operation time while maintaining measurement precision.
Solution Approach 2:
The patent replaces traditional mechanical dropsonde deployment systems with an optical-based wind measurement system. This substitution allows for continuous, real-time wind profile measurements without requiring physical instrument deployment, significantly reducing the time needed for wind measurement while improving precision through continuous data collection.
2Measurement precision
If multiple passes are made over the intended landing area, then wind measurement precision is improved, but vulnerability to enemy aircraft and ground forces increases
Solution Approach 1:
The system replaces mechanical dropsonde deployment with optical wind measurement technology. This eliminates the need for repeated physical passes over the target area, thereby maintaining measurement precision while significantly reducing exposure to enemy detection and attack.
Solution Approach 2:
The patent introduces an intermediary optical measurement system that can obtain wind data from a distance without requiring the aircraft to physically pass over the target area multiple times. This intermediary system provides the necessary measurement data while minimizing the aircraft's exposure to harmful factors.
3Ease of operation
If dropsonde data is collected outside the desired drop column, then data collection is simplified, but CARP calculation accuracy deteriorates
Solution Approach 1:
The system implements continuous feedback loops that monitor wind conditions and iteratively refine CARP calculations. By continuously comparing measured wind profiles with model predictions and adjusting the release point calculation in real-time, the system ensures high CARP accuracy without requiring complex manual data collection procedures.
Solution Approach 2:
The patent replaces manual dropsonde deployment and data collection with an automated optical measurement system. This substitution provides precise wind data directly in the desired drop column region, maintaining CARP calculation accuracy while simplifying the operational process through automation.
Data Source
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AI summary
A system and method for calculating a flight plan and a precision release point for an aircraft carrying a payload includes supplying, from a four-dimensional (4D) wind measurement system, 4D wind data indicative of atmospheric wind velocity and direction (i) at and within a first threshold distance around a current flight level of the aircraft, (ii) at and within a second threshold distance around a drop zone for the payload, and (iii) at and within a third threshold distance around a plurality of different altitudes. The 4D wind data is continuously sampled, in a processing system, and is iteratively processes, in the processing system, to calculate, using a release point model implemented in the processing system, a flight plan for the aircraft and a precision release point for the payload.