4926 不連続ばね特性を利用した洗濯・脱水機の制振法(G10-8 振動低減・免振,G10 機械力学・計測制御)

概要

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In general, when the clothes tend to clump in a washing/spin machine that is rotating, it is well known that serious vibration of the machine and noise are inevitability. So various methods for vibration suppression were proposed, but there is no one effective or good solution to overcome the problem now. If a large vibration and noise occur in spin mode in a washing/spin machine, the machine may be stopped automatically by the safety-device in the washing/spin machine, which cause not only water repumped into the washing machine, but also the machine re-started after later. In the paper, the vibration characteristics of the washing/spin machine are analyzed, and author proposed a simple method before and used to suppress steady-state vibrations by using discontinuous spring characteristics, which can also be used to suppress non-stationary vibrations to the desired small magnitude. The validity of the method has been verified theoretically and numerically.
2006-09-15