QuickDART 3D Debris Modeling via Bounding Surface Segmentation
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Solution Overview
Problem
Current 3D modeling techniques for on-orbit debris fields are computationally intensive and time-consuming, making them unsuitable for real-time operational decision-making, as they require hours to generate and often produce unnecessary detailed models that capture debris at all times, including when it is not present in a localized section.
Innovation Solution
The Quick Debris Analysis Response Tool (QuickDART) generates a 3D model using a simplified bounding surface by computing an upper limit for the spreading speed of debris fragments and applying it in different directions to produce bounding surface fragments, allowing for a bounded 3D mesh that can be quickly regenerated, reducing computational time from hours to minutes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional 3D modeling techniques are used to generate detailed debris field models, then measurement precision and visualization accuracy are improved, but productivity and response time deteriorate (requiring hours to generate)
Solution Approach 1:
The patent segments the debris field modeling process into two distinct approaches: a detailed particle-based model for high-precision analysis and a simplified bounding surface model for rapid operational assessment. The bounding surface is divided into discrete elements that can be independently computed, enabling parallel processing and faster generation times while maintaining sufficient accuracy for operational decision-making.
Solution Approach 2:
The patent applies partial action by computing only the essential bounding surface geometry needed for operational awareness rather than fully resolving all debris particles. The bounding surface elements are computed to encompass the debris cloud without modeling every individual fragment, providing sufficient precision for collision risk assessment while dramatically reducing computational requirements.
2Measurement precision
If traditional models capture debris at all times throughout the day, then measurement precision is improved, but loss of time increases due to processing unnecessary data
Solution Approach 1:
The patent computes the bounding surface elements in advance based on the debris cloud geometry and propagates them forward in time using orbital mechanics. This preliminary computation of the bounding envelope allows the system to quickly assess satellite risk without re-processing all debris positions at each time step, significantly reducing the time loss associated with generating models for different times of day.
Solution Approach 2:
The patent processes only the bounding surface elements that are relevant to operational decision-making rather than processing all debris particles at all times. By focusing computational resources on the essential bounding geometry and using it to assess satellite risk, the system avoids the time loss of processing unnecessary detailed debris data while maintaining sufficient measurement precision for operational awareness.
3Shape
If detailed 3D mesh surfaces are generated for debris fields, then visualization quality is improved, but device complexity and computational resources increase
Solution Approach 1:
The patent segments the complex debris field representation into a simplified bounding surface composed of discrete elements. Rather than generating a detailed 3D mesh of all debris particles, the system creates a segmented bounding envelope that captures the essential shape and volume of the debris cloud. This segmentation dramatically reduces device complexity and computational resource requirements while maintaining sufficient visualization quality for operational decision-making.
Solution Approach 2:
The patent uses simplified bounding surface elements as computationally inexpensive representations of the debris field. These elements require minimal computational resources to generate and update compared to detailed 3D meshes, making them suitable for operational environments with limited computing power. The simplified representation is regenerated as needed without requiring expensive computational infrastructure.
Data Source
AI summary
A computer-implemented method for generating a 3-dimensional (3D) model to characterize and visualize debris. The computer-implemented method includes defining a bounding surface for one or more debris fields generated by an on-orbit breakup event. The bounding surface is defined by using an upper limit fragment spreading speed predicted by a breakup model and applying the upper limit fragment spreading speed in different directions to generate points on the bounding surface. The computer-implemented method also includes connecting one or more points on the bounding surface to maintain a single bounded 3D mesh. The computer-implemented method further includes applying color and/or transparency to the 3D model.