Ponencia
Trajectory Planning for Spacecraft Rendezvous with On / Off Thrusters
Autor/es | Vázquez Valenzuela, Rafael
Gavilán Jiménez, Francisco Camacho, Eduardo F. |
Departamento | Universidad de Sevilla. Departamento de Ingeniería de Sistemas y Automática Universidad de Sevilla. Departamento de Ingeniería Aeroespacial y Mecánica de Fluidos |
Fecha de publicación | 2011 |
Fecha de depósito | 2020-04-06 |
ISBN/ISSN | 9783902661937 1474-6670 |
Resumen | The objective of this work is to present a trajectory planning algorithm for spacecraft rendezvous that is able to incorporate Pulse-Width Modulated (PWM) control signals. The algorithm is based on linearization around a ... The objective of this work is to present a trajectory planning algorithm for spacecraft rendezvous that is able to incorporate Pulse-Width Modulated (PWM) control signals. The algorithm is based on linearization around a previously computed solution. To initialize the algorithm, a first solution needs to be obtained. To do so, the trajectory planning problem is solved using Pulse-Amplitude Modulated (PAM) control signals; these are then converted to PWM signals, which are used as an initial guess. Iterating, the solution is refined until an optimal value is reached. Simulations show that this method converges after a few iterations. The algorithm is simple and fast, hence it could be implemented online or used together with a Model Predictive Controller. |
Cita | Vázquez Valenzuela, R., Gavilán Jiménez, F. y Fernández Camacho, E. (2011). Trajectory Planning for Spacecraft Rendezvous with On / Off Thrusters. En IFAC World Congress (8473-8478), Milán (Italia): Elsevier. |
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