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首页> 外文会议>International Symposium on Stability Control of Rotating Machinery(ISCORMA-4); 20070827-31; Calgary(CA) >VIBRATION SUPPRESSION OF A WASHING/SPIN-DRYER MACHINE USING DISCONTINUOUS SPRING CHARACTERISTICS
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VIBRATION SUPPRESSION OF A WASHING/SPIN-DRYER MACHINE USING DISCONTINUOUS SPRING CHARACTERISTICS

机译：基于不连续弹簧特性的洗衣机/甩干机振动抑制

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摘要

It is well known that, the clothes tend to clump creating an unbalance in a rotating washing/spin-dryer machine, and also serious vibrations and noise of the machine are inevitable. Therefore, various methods for vibration suppression were proposed, but there is no effective means to overcome this problem until now. If a large vibration and noise occur at the major critical speed of a washing/spin-dryer machine, the machine is stopped automatically for safety, then it pumps water, starts to rotate and repeat the drying process again. In this paper, the vibration characteristics of the washing/spin-dryer machine are analyzed. It is shown that the simple method using discontinuous spring characteristics, which was proposed to suppress vibration of Jeffcott rotor before, is effective to suppress vibrations of a practical washing/spin-dryer machine. The validity of the method is verified theoretically and numerically.
机译：众所周知，衣物趋于结块，从而在旋转的洗涤/甩干机中产生不平衡，并且不可避免地会出现严重的振动和噪声。因此，提出了各种抑制振动的方法，但是到目前为止，还没有有效的方法来克服该问题。如果在洗衣机/甩干机的主要临界转速下出现较大的振动和噪音，则为了安全起见，机器会自动停止，然后抽水，开始旋转并再次重复烘干过程。本文分析了洗衣机/甩干机的振动特性。结果表明，以前提出的利用不连续弹簧特性的简单方法被认为可以抑制Jeffcott转子的振动，这种方法可以有效地抑制实际洗涤/旋转干燥机的振动。从理论上和数值上验证了该方法的有效性。

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