Digital Twin for In-Space Operations

Close proximity operations are of essence for in-space servicing, assembly, and manufacturing (ISAM). The simulation conducted has potential implications in this area and has shown promise in being an accurate tool for an on-board system. In this respect, the relative translational and rotational motions between two space objects are modeled and simulated in Matlab. The Matlab simulation results have been exported to the high fidelity physics simulator known as Gazebo and is used to simulate on-board cameras. Matlab computer vision toolbox is used to track features between the left and right cameras in the stereovision set up at a given time as well as over time. The triangulation method is used to compute the 3D position of the tracked features in the body frame of the servicing spacecraft.