Vibration of Casing of High Speed Rotating Machine

Nagamatsu, Akio; Michimura, Seiichi; Ishihara, Akira

doi:10.2493/jjspe1933.44.1117

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1994

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“…A systematic approach to reduce gear noise by improving the gear train structure rather than by focusing on the excitation forces of individual gears has been presented by Ariga et al (1992). Nagamatsu et al (1979) performed a theoretical vibration analysis of a casing for a high-speed rotating machine using the reduced impedance method. Choy et al (1993) developed a dynamic model to simulate gearbox vibration and used experimental results from a test rig to verify the analytical model.…”

Section: Introductionmentioning

confidence: 99%

Feedforward Control of Gear Mesh Vibration Using Piezoelectric Actuators

Montague¹,

Kascak

Palazzolo

et al. 1994

Shock and Vibration

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This article presents a novel means for suppressing gear mesh related vibrations. The key components in this approach are piezoelectric actuators and a high-frequency, analog feed forward controller. Test results are presented and show up to a 70% reduction in gear mesh acceleration and vibration control up to 4500 Hz. The principle of the approach is explained by an analysis of a harmonically excited, general linear vibratory system.

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Section: Introductionmentioning

confidence: 99%