scholarly journals Discrete time point-to-point control of flexible structures

2000 ◽  
Author(s):  
N. Al-Masoud ◽  
Shih-Yu Chu ◽  
T. Singh
Keyword(s):  
Discrete Time ◽  
Flexible Structures ◽  
Point Control ◽  
Point To Point ◽  
Time Point

Point-to-Point Positioning of Flexible Structures Using a Time Domain LQ Smoothness Constraint

1992 ◽  
Vol 114 (3) ◽  
pp. 416-421 ◽  
Author(s):  
S. P. Bhat ◽  
D. K. Miu
Keyword(s):  
Time Domain ◽  
Finite Time ◽  
Flexible Structures ◽  
Control Input ◽  
Time Control ◽  
Smoothness Constraint ◽  
Point Control ◽  
Point To Point ◽  
The Time Domain ◽  
Different Order

An analytical procedure to implement optimal smoothing of the finite-time control waveform for point-to-point control problem is presented, which minimizes an optimality constraint consisting of a linear combination of the quadratic norms of its time derivatives. It is shown that the resulting control input is essentially the minimum norm solution augmented to satisfy some additional continuity requirements in the time domain. Application of the proposed technique to finite-time maneuvering of flexible structures is experimentally demonstrated and performances are compared using control torques evaluated based on different order of the smoothness constraint and order of the truncated plant model.

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