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Sensors 2016, 16(10), 1577;

Real-Time Performance of Mechatronic PZT Module Using Active Vibration Feedback Control

Department of Mechanical and Industrial Engineering, University of Brescia, via Branze, 38, 25123 Brescia, Italy
CE.S.I Centro Studi Industriali, via Tintoretto, 10, 20093 Cologno Monzese, Italy
FIDIA Spa, Lombardia, 11, 10099 Torino, Italy
Author to whom correspondence should be addressed.
Academic Editor: Dan Zhang
Received: 30 June 2016 / Revised: 7 September 2016 / Accepted: 14 September 2016 / Published: 25 September 2016
(This article belongs to the Special Issue Advanced Robotics and Mechatronics Devices)
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This paper proposes an innovative mechatronic piezo-actuated module to control vibrations in modern machine tools. Vibrations represent one of the main issues that seriously compromise the quality of the workpiece. The active vibration control (AVC) device is composed of a host part integrated with sensors and actuators synchronized by a regulator; it is able to make a self-assessment and adjust to alterations in the environment. In particular, an innovative smart actuator has been designed and developed to satisfy machining requirements during active vibration control. This study presents the mechatronic model based on the kinematic and dynamic analysis of the AVC device. To ensure a real time performance, a H2-LQG controller has been developed and validated by simulations involving a machine tool, PZT actuator and controller models. The Hardware in the Loop (HIL) architecture is adopted to control and attenuate the vibrations. A set of experimental tests has been performed to validate the AVC module on a commercial machine tool. The feasibility of the real time vibration damping is demonstrated and the simulation accuracy is evaluated. View Full-Text
Keywords: real-time control; mechatronics; PZT actuators; vibration; hardware in the loop real-time control; mechatronics; PZT actuators; vibration; hardware in the loop

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Aggogeri, F.; Borboni, A.; Merlo, A.; Pellegrini, N.; Ricatto , R. Real-Time Performance of Mechatronic PZT Module Using Active Vibration Feedback Control. Sensors 2016, 16, 1577.

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