Frequentis has patented a method to optimize aircraft streams by determining target arrival times at dedicated waypoints, considering estimated entry times and desired minimum separations. The model absorbs delays and shares them between route segments. The innovation uses minimum separation as a soft constraint for efficient air traffic management. GlobalData’s report on Frequentis gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Frequentis, Drone swarm control was a key innovation area identified from patents. Frequentis's grant share as of May 2024 was 66%. Grant share is based on the ratio of number of grants to total number of patents.
Optimizing aircraft arrival times at merging waypoints in airspace
A recently granted patent (Publication Number: US11990047B2) outlines a method for optimizing the flow of aircraft in a predefined airspace, specifically focusing on at least two aircraft forming an aircraft pair. The method involves receiving estimated entry times and target arrival times for each aircraft at specific waypoints, along with routing information. By defining a desired minimum time-based separation between aircraft pairs and utilizing an optimization model, the method calculates optimized target arrival times at dedicated waypoints, ensuring that delays are shared between route segments. The optimization model also considers maximizing time-based separation, minimizing holding procedure durations, and balancing multiple optimization goals through a cost function.
Furthermore, the patent includes additional constraints such as maximum and minimum flight durations between waypoints, utilizing aircraft trajectory data for calculations. The method allows for recalculating target arrival times at dedicated waypoints, excluding certain waypoints based on overflight status. The optimization model also accounts for factors like aircraft speed decrease and defines optimized target arrival times as target overflight times. Additionally, the patent covers a device for implementing the method and a computer program designed to execute the optimization process when run on a computer. Overall, the patented method aims to enhance the efficiency and safety of aircraft flow in congested airspaces by strategically managing arrival times and route optimization for aircraft pairs.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
