Study on Wind-Induced Vibration Response of Aerial Working Arm

Hong Qi Jiang; Xian Biao Mao; Shun Cai Li; Yu Liu

doi:10.4028/www.scientific.net/AMR.510.292

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 510Study on Wind-Induced Vibration Response of Aerial...

Study on Wind-Induced Vibration Response of Aerial Working Arm

Abstract:

Since boom-type aerial equipment has complex dynamic characteristic under the action of random wind loads, traditional methods are hard to reflect its dynamic response. We put forward an analysis method for wind-induced random vibration response of aerial working arms based on finite element and pseudo-excitation methods. In this analysis, the pulse-wind-load-induced vibration was regarded as a random vibration under multi-point coherent steady random excitation, and Davenport wind speed spectra invariant with height were adopted with consideration of multi-point wind excitation correlation. We analyzed the wind-induced random vibration of the working arm of a folding-arm-type aerial operation vehicle. The analysis results confirm the reliability of the analysis method, so as to offer a feasible way for analyzing the dynamic wind-induced vibration response of large boom-type aerial equipment.

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Periodical:

Advanced Materials Research (Volume 510)

Pages:

292-297

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.510.292

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Online since:

April 2012

Authors:

Hong Qi Jiang, Xian Biao Mao, Shun Cai Li, Yu Liu

Keywords:

Aerial Operation Vehicle, Pseudo-Excitation Method, Random Vibration, Wind-Induced Response

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