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TRANSCRIPT
Orbital Recognition System for Space
Debris Tracking:
A Journey from Inner-Brain GPS to
Outer-Space GPS
Amber Yang
Keplerian Elements and Kinematic
Vectors
Orbital Patterns within Keplerian
Elements
Orbital Patterns within Keplerian
Elements
Are there inherent geometrical patterns in the orbits ofspace debris that can be learned by an Artificial NeuralNetwork for accurate detection and tracking over time?
Question
Orbital Recognition ANN System Plot
Diagram
Parameters of the Orbital Recognition
ANN System
Table 1: Parameters of ANN-Based Orbital Recognition System Input
Layer Hidden Layers
/Neurons
Output Layer
Training Rate
Weighting Momentum
MSE
Samples
Target Detection
ANN
5
3 / 75
3
0.5
0.11
2.00E-3
1000
Retraining
Detection ANN
5
3/75
3
0.33
0.33
2.78E-5 Retrained
Cases
Trajectory
Prediction ANN
25
2 / 10
5
0.4
0.33
1.00E-5
1
Sensitivity Analyses for Target
Detection ANN
Target Detection ANN Simulation
Orbital Recognition ANN System Plot
Diagram
Simulation Results: Trajectory
Prediction ANN
Figure 1: Simulation of training waypoints at every 1-degree true anomaly and tracking from 0-degree true anomaly
Figure 2: Simulation of training waypoints at every 1-degree true anomaly and tracking shifted 45-degree true anomaly
Figure 3: Simulation of training waypoints at every 0.2-degree true anomaly and tracking from 0-degree true anomaly
Figure 4: Simulation of training waypoints at every 0.2-degree true anomaly and tracking shifted 45-degree true anomaly
Trajectory Prediction ANN Simulation
Comprehensive Collision Avoidance
Developed from Orbital Recognition System
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References