Spacecraft Relative Motion Dynamics and Control Using Fundamental Solution Constants

2022 ◽  
Author(s):  
Ethan R. Burnett ◽  
Hanspeter Schaub
Keyword(s):  
Fundamental Solution ◽  
Relative Motion ◽  
Dynamics And Control ◽  
And Control ◽  
Relative Motion Dynamics ◽  
Motion Dynamics

scholarly journals Relative Motion Dynamics Modeling and Control of DFP Vibration Isolation Spacecraft

2019 ◽  
Vol 37 (4) ◽  
pp. 673-681
Author(s):  
Yongxing Tang ◽  
Zhanxia Zhu
Keyword(s):  
Relative Motion ◽  
Vibration Isolation ◽  
Dynamics Modeling ◽  
Modeling And Control ◽  
Task Requirements ◽  
System Vibration ◽  
And Control ◽  
Couple Effect ◽  
Relative Motion Dynamics ◽  
Motion Dynamics

In order to better meet the future high precision task requirements, the DFP(Disturbance-Free Payload) spacecraft composed of non-contact PM(Payload Module)and SM(Support Module)is taken as the object to study the relative motion dynamics modeling and control between the two modules and verify the system vibration isolation performance. Firstly, the force and torque expressions of the two modules are derived by simplifying the configuration and analyzing the stress. In view of that couple effect, the relative motion dynamics equations between two modules of DFP spacecraft with high model accuracy, and simple and uniform format are established with the dual quaternions. Based on this, the PD control law is designed, and the relative motion of PM and SM could meet DFP spacecraft working requirements when the measurability of control quantity and the measurement error of sensors were taken into account. Simulation results verify the advantage of vibration isolation and attitude maneuverability of DFP spacecraft.

scholarly journals Comprehensive Survey and Assessment of Spacecraft Relative Motion Dynamics Models

2017 ◽  
Vol 40 (8) ◽  
pp. 1837-1859 ◽  
Author(s):  
Joshua Sullivan ◽  
Sebastian Grimberg ◽  
Simone D’Amico
Keyword(s):  
Relative Motion ◽  
Comprehensive Survey ◽  
Dynamics Models ◽  
Relative Motion Dynamics ◽  
Motion Dynamics
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