Adaptive Nonlinear Dynamic Inversion for Spacecraft Attitude Control with Fuel Sloshing

2008 ◽  
Author(s):  
Elwin Weerdt ◽  
Erik-Jan Kampen ◽  
Daan Gemert ◽  
Q.P. Chu ◽  
J.A. Mulder
Keyword(s):  
Attitude Control ◽  
Nonlinear Dynamic ◽  
Dynamic Inversion ◽  
Spacecraft Attitude ◽  
Spacecraft Attitude Control ◽  
Nonlinear Dynamic Inversion

scholarly journals Reconfigurable Nonlinear Dynamic Inversion for Attitude Control of a Structurally Damaged Aircraft

IEEE Access ◽  
2020 ◽  
Vol 8 ◽  
pp. 199931-199943
Author(s):  
Qizhi He ◽  
Yi Tan ◽  
Xiaoxiong Liu ◽  
Qianlei Jia ◽  
Jinglong Liu
Keyword(s):  
Attitude Control ◽  
Nonlinear Dynamic ◽  
Dynamic Inversion ◽  
Nonlinear Dynamic Inversion

scholarly journals Actuator modelling for attitude control using incremental nonlinear dynamic inversion

2020 ◽  
Vol 12 ◽  
pp. 175682932096192
Author(s):  
F Binz ◽  
D Moormann
Keyword(s):  
Attitude Control ◽  
Nonlinear Dynamic ◽  
Closed Loop ◽  
Control Method ◽  
Flight Test ◽  
Small Scale ◽  
Dynamic Inversion ◽  
Electric Aircraft ◽  
The Face ◽  
Nonlinear Dynamic Inversion

Recently, the concept of incremental nonlinear dynamic inversion has seen an increasing adoption as an attitude control method for a variety of aircraft configurations. The reasons for this are good stability and robustness properties, moderate computation requirements and low requirements on modelling fidelity. While previous work investigated the robust stability properties of incremental nonlinear dynamic inversion, the actual closed-loop performance may degrade severely in the face of model uncertainty. We address this issue by first analysing the effects of modelling errors on the closed-loop performance by observing the movement of the system poles. Based on this, we analyse the neccessary modelling fidelity and propose simple modelling methods for the usual actuators found on small-scale electric aircraft. Finally, we analyse the actuator models using (flight) test data where possible.

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