... – 32 . 10.1109/TAC.1981.1102568 2 Craig , R. R. , Structural Dynamics ( John Wiley , New York , 1981 ). 3 Su , T. J. , and Craig , R. R. , 1991 , “ Model Reduction and Control of Flexible Structures Using Krylov Vectors ,” J. Guid. Control Dyn. , 14 , pp. 260 – 267...

... couplings delays flexible structures manipulators motion control shock absorbers stability vibration control High performance manipulators usually need employing lightweight links to reduce inertia forces and to perform fast movements with small driving torques. Mass and stiffness decreases...

... is formulated by using Hamilton’s principles and assumed mode method, taking into account the second-order term of the coupling deformation field. For highly flexible structural models, ideal surface sliding that produces pure rigid body motion may not be achievable. In this paper, the discontinuity...

...Thomas E. Alberts; Aravind M. Hanasoge; Ashraf M. Omran This paper presents a simple analysis evaluating the stability threshold for magnetically levitated flexible structures using dissipative colocated controllers. It is shown that with such a control structure, the controller that stabilizes...

...M. C. Pai; A. Sinha The input shaping technique has proven to be highly effective in reducing or eliminating residual vibration of flexible structures. The exact elimination of the residual vibration via input shaping depends on the amplitudes and instants of utilized impulses. However, systems...

... of this combination for attitude stabilization and flexible structural vibrations suppression. In addition, the time responses of estimated parameters are shown in Fig. 3 for the above deficient cases. Note that the convergence of the estimates can be achieved, but to the real values, as seen in Fig. 3...

.... Definition of body and inertial vectors in the floating frame of reference method The adaptive control system design for flexible structures consists of two stages: At first, a controller is designed for the rigid body dynamic using the gain scheduling approach, and then an adaptive filter is designed...

..., permitting the generation of near-globally optimal shaped profiles. To illustrate the proposed technique, a deflection-limited/residual energy constrained, controller design for flexible structures undergoing rest-to-rest maneuvers will be presented. Techniques for improving robustness by the addition...

...Angelo Bonfitto; Xavier De Lépine; Mario Silvagni; Andrea Tonoli The aim of this paper is to investigate the potential of a self-sensing strategy in the case of an electromagnetic damper for the vibration control of flexible structures and rotors. The study has been performed in the case...

... a physically realistic and efficient way of modeling and controlling large flexible structures based on substructure (subsystems) models. As in Ref. 9 , we are ultimately concerned with the issues of closed-loop stability and performance robustness due to inevitable modeling errors, configuration changes...

.... , and Caughey , T. K. , 1990 , “ Positive Position Feedback Control for Large Space Structures ,” AIAA J. 0001-1452 10.2514/3.10451 , 28 , pp. 717 – 724 . Baz , A. , and Hong , J. , 1997 , “ Adaptive Control of Flexible Structures Using Modal Positive Position Feedback ,” Int. J...

... sequence, Δ , but the settling time is greatly reduced. flexible structures motion control robust control vibration control 29 01 2008 02 12 2008 23 03 2009 2009 American Society of Mechanical Engineers ...

... represent actuation, and the circle at x = 0 represents the desired reference trajectory. Motion-planning results for strings and flexible structures without Kelvin–Voigt (KV) damping—internal/material damping—have been presented in Refs. 11 12 13 14 15 16 . This work...

...Marco P. Schoen; Randy C. Hoover; Sinchai Chinvorarat; Gerhard M. Schoen This paper is concerned with the problem of identifying and controlling flexible structures. The structures used exhibit some of the characteristics found in large flexible space structures (LFSSs). Identifying LFSS...

... . 04 05 2007 13 05 2008 04 08 2008 control system synthesis flexible structures linear programming minimax techniques robust control shape control Attenuating vibrations induced by maneuvering flexible structures by judiciously designing the reference profile...

.... Output oscillations need to be small in scanning operations, particularly for lightly damped systems, such as the piezoelectric actuators and the flexible structures. Moreover, modeling errors are ubiquitous in practical applications. The proposed approach extends the recently developed optimal scan...

... and is aimed to understand their dynamic characteristics for the semiactive vibration control of flexible structures and mechanical systems. The modeling methodology is based on the Lagrange approach. It shows that, besides a damping of viscous type, transformer dampers introduce a negative stiffness...

...Abhishek Dhanda; Gene Franklin In the rest-to-rest motion of a flexible structure with limited torque or force, it is sometimes important to control the vibrations during the move trajectory as well as at the final time. In order to achieve this control, the duration of the move must be set...

... and sequential diagonal MIMO QFT designs. attitude control controllers design engineering position control robust control space vehicles MIMO systems robust control QFT position and attitude control spacecraft control flexible structures In the next two decades several ESA and NASA...

.... , and Rodgers , J. P. , 1995 , “ Anisotropic Actuation With Piezoelectric Fiber Composites ,” J. Intell. Mater. Syst. Struct. 1045-389X , 6 ( 3 ), pp. 338 – 349 . Shen , Y. , and Homaifar , A. , 2001 , “ Vibration Control of Flexible Structures With PZT Sensors and Actuators ,” J. Vib...