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Control of magnetorheological dampers for vibration reduction in a washing machine
Authors:Cristiano Spelta  Fabio Previdi  Sergio M. Savaresi  Giuseppe Fraternale  Nicola Gaudiano
Affiliation:1. Università degli Studi di Bergamo, Facoltà di Ingegneria, 24044 Dalmine (BG), Italy;2. Dipartimento di Elettronica e Informazione, Politecnico di Milano, Piazza Leonardo da Vinci, 32, 20133 Milano, Italy;3. Indesit Group, Product Innovation Department, Via Lamberto Corsi 55, Fabriano (AN), Italy;1. Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, 54100 Jalan Semarak, Kuala Lumpur, Malaysia;2. Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan;3. UTM-Proton Active Safety Laboratory, Universiti Teknologi Malaysia, 54100 Jalan Semarak, Kuala Lumpur, Malaysia;4. Vehicle System Engineering Research Laboratory, Universiti Teknologi Malaysia, 54100 Jalan Semarak, Kuala Lumpur, Malaysia;1. Smart Structures and Systems Laboratory, Department of Mechanical Engineering, Inha University, Incheon, 22212, Republic of Korea;2. Faculty of Mechanical and Automotive Engineering, Keimyung University, Daegu, 704-701, Republic of Korea
Abstract:The aim of this work is the analysis and design of a control system for vibration and noise reduction in a washing machine. The control system is implemented via a semi-active magnetorheological (MR) damper located on the suspension that links the drum to the cabinet. The entire design procedure is outlined: first, the semi-active actuator is described and an experimental protocol is proposed and tested; two adaptive control strategies are proposed, designed and tested. Some experiments are done in an anechoic chamber to assess the noise reduction. The reported results show the effectiveness of the proposed control system.
Keywords:
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