Manoeuvring and vibration reduction of a flexible spacecraft integrating optimal sliding mode controller and distributed piezoelectric sensors/actuators

2007 ◽  
Vol 21 (6) ◽  
pp. 452-476 ◽  
Author(s):  
Qinglei Hu ◽  
Guangfu Ma
Keyword(s):  
Sliding Mode ◽  
Vibration Reduction ◽  
Flexible Spacecraft ◽  
Piezoelectric Sensors ◽  
Sliding Mode Controller

Active Vibration Control of a Clamped Square Plate

2002 ◽  
Author(s):  
Philip T. Shimon ◽  
Yildirim Hurmuzlu ◽  
Edmond Richer
Keyword(s):  
Sliding Mode ◽  
Active Vibration Control ◽  
Vibration Reduction ◽  
Experimental Studies ◽  
Sliding Mode Controller ◽  
Velocity Feedback ◽  
Active Vibration ◽  
Distributed Strain ◽  
Inertial Actuator ◽  
Theoretical Results

In this paper, we sought to develop an efficient controller for vibration reduction in a fully clamped plate. We investigated three control methodologies (positive velocity feedback, sliding mode control, and H∞ control) and two types of actuators (an inertial actuator and a distributed strain actuator). These were used to develop five control architectures (the sliding mode controller was not implemented for the inertial actuator). Both theoretical and experimental studies were undertaken with varying results. The best theoretical results were obtained when sliding mode and H∞ control were used in conjunction with a distributed strain actuator. Experimentally, the H∞ controller using the distributed strain actuator outperformed the others.

Robust dynamic surface sliding mode control for attitude tracking of flexible spacecraft with an extended state observer

2016 ◽  
Vol 231 (3) ◽  
pp. 533-547 ◽  
Author(s):  
Chengbao Zhou ◽  
Di Zhou
Keyword(s):  
Attitude Control ◽  
Sliding Mode ◽  
State Observer ◽  
Flexible Spacecraft ◽  
Extended State Observer ◽  
Attitude Motion ◽  
Sliding Mode Controller ◽  
Extended State ◽  
Dynamic Surface ◽  
Attitude Tracking

The nonlinear attitude motion equations of flexible spacecraft described by the Euler angles are expressed in the vector form. Based on dynamic surface control, a new robust dynamic surface sliding mode controller is proposed for the attitude tracking and active vibration suppression of flexible spacecraft in the presence of parameter uncertainty and external disturbances. Then, a novel robust dynamic surface finite time sliding mode controller is proposed with an extended state observer such that the uncertainties can be estimated. Lyapunov stability analyses show that the two controllers can guarantee the asymptotical stability of the attitude control system. The undesirable vibration of flexible spacecraft is also actively suppressed by the modal velocity feedback approach. Finally, simulation results verified the effectiveness of the presented control algorithms.

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