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Automatic ball balancer using permanent magnets to reduce transient vibration

Title
Automatic ball balancer using permanent magnets to reduce transient vibration
Author
장건희
Keywords
Automatic ball balancer (ABB); magnetic force; mass unbalance; permanent magnet; transient vibration
Issue Date
2017-04
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE TRANSACTIONS ON MAGNETICS, v. 53, no. 11, Article no. 8600204
Abstract
The conventional automatic ball balancer (ABB) reduces the mass unbalance of a rotating body by locating balls to the opposite side, thereby suppressing the steady-state vibration. However, the transient vibration increases due to rotating balls in such a way that they increase the mass unbalance before moving to the opposite side of the mass unbalance. We propose an ABB using permanent magnets (APM) that reduces the vibration of a rotating system, not only in the steady state but also in the transient state. The proposed APM is composed of four balls and two permanent magnets attached to a conventional ABB system. We designed the permanent magnets of the APM by using the multi-physics finite-element software COMSOL. We investigated the behavior of the rotating balls and the vibration suppression due to the APM by using the multi-body dynamic program ADAMS to validate the effectiveness of the proposed APM.
URI
https://ieeexplore.ieee.org/document/7944590https://repository.hanyang.ac.kr/handle/20.500.11754/113619
ISSN
0018-9464; 1941-0069
DOI
10.1109/TMAG.2017.2713799
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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