Vibration Behaviors Study for Boom System of Telescopic Boom Aerial Work Platform

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Journal of Vibration and Shock ›› 2016, Vol. 35 ›› Issue (10) : 225-230.

GAO Lingchong，TENG Rumin，WANG Xin

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Abstract

Telescopic boom aerial work platform, which is widely used, its boom system is designed as telescopic boom with step box section. The vibration behaviors of boom system will influence the weight of structure and amplitude at platform, which determined operating comfortableness and safety. Using Euler-Bernoulli beam bending vibration equation in elastic body vibration theory, the bending vibration equation of stepped beam with tip mass is established. First three inherent frequencies of boom system at full length and corresponding normalized eigenfunction are acquired. The vibration equation is transformed in to state space. The vibration behavior of boom’s tip is simulated in Simulink with actual parameter of a aerial work platform, under the condition of varying elevation angel of boom. Such research provides theoretical foundation for vibration control of aerial work platform.

Key words

aerial work platform / elastic body / bending vibration / state space

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GAO Lingchong，TENG Rumin，WANG Xin. Vibration Behaviors Study for Boom System of Telescopic Boom Aerial Work Platform[J]. Journal of Vibration and Shock, 2016, 35(10): 225-230

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