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Sievert, L, Stancioiu, D and Matthews, C (2021) Active Vibration Control of a Small-Scale Flexible Structure Subject to Moving-Loads and Experimental Validation. Journal of Vibration and Acoustics, 143 (6). ISSN 1048-9002
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Active Vibration Control of a Small Scale Flexible Structure Subject to Moving-Loads and Experimental Validation.pdf - Accepted Version Available under License Creative Commons Attribution. Download (2MB) | Preview |
Abstract
This study directly addresses the problem of optimal control of a structure under the action of moving masses. The main objective is to experimentally implement and validate an active control solution for a small-scale test stand. The supporting structure is modeled as an Euler–Bernoulli simply supported beam, acted upon by moving masses of different weights and velocities. The experimental implementation of the active controller poses a particular set of challenges as compared with the numerical solutions. It is shown both numerically and experimentally that using electromagnetic actuation, a reduced order controller designed using a time-varying algorithm provides a reduction of the maximum deflection of up to 18% as compared with the uncontrolled structure. The controller performance and robustness were tested against a representative set of possible moving load parameters. In consequence of the variations in moving mass weight and speed, the controller gain requires a supplementary adaptation. A simple algorithm that schedules the gain as a function of the weight and speed of the moving mass can achieve both a good performance and an adjustment of the control effort to the specific design requirements.
| Item Type: | Article |
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| Uncontrolled Keywords: | Science & Technology; Technology; Acoustics; Engineering, Mechanical; Mechanics; Engineering; time-varying optimal control; active vibration control; moving mass; state estimation; active vibration and noise control; mechatronics and electro-mechanical systems; smart materials and structures; stability; structural dynamics and control; MODAL CONTROL; BEAMS; BEHAVIOR; Science & Technology; Technology; Acoustics; Engineering, Mechanical; Mechanics; Engineering; time-varying optimal control; active vibration control; moving mass; state estimation; active vibration and noise control; mechatronics and electro-mechanical systems; smart materials and structures; stability; structural dynamics and control; MODAL CONTROL; BEAMS; BEHAVIOR; Acoustics; 0905 Civil Engineering; 0913 Mechanical Engineering; 0915 Interdisciplinary Engineering |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Civil Engineering & Built Environment |
| Publisher: | American Society of Mechanical Engineers ASME |
| SWORD Depositor: | A Symplectic |
| Date Deposited: | 05 May 2022 10:07 |
| Last Modified: | 05 May 2022 10:15 |
| DOI or ID number: | 10.1115/1.4050852 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/16735 |
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