Vibration Suppression of Rotating Machinery Utilizing Discontinuous Spring Characteristics
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概要
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In rotating machinery, resonance phenomena occur with large amplitude in the vicinities of the major critical speeds. In this paper, a new vibration suppression method utilizing the discontinuous spring characteristics is proposed. This spring characteristic is made by additional springs with preload. This method has the following advantages : In designing these additional springs, we need not adjust their parameter values to the rotor stiffness and the system damping. The amplitude of vibration can be suppressed to the any desired levels. Although this method has a disadvantage that an almost periodic motion occurs above the major critical speed, two countermeasures are proposed to diminish it. We clarified these phenomena theoretically and experimentally.
- 一般社団法人 日本機械学会の論文
一般社団法人 日本機械学会 | 論文
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