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Parameter identification of a flexible cantilever beam with a moving hub
Nguyen Tri Giang Vu,Quoc Chi Nguyen,Van Thuat Nguyen 제어로봇시스템학회 2020 제어로봇시스템학회 국제학술대회 논문집 Vol.2020 No.10
This paper presents a parameter identification of a flexible beam attached to a translating hub. A dynamic model of the beam-hub system is obtained by applying the Euler-Bernoulli beam theory, in which dynamic coupling between the beam and the hub is shown. The continuous model is discretized for utilizing identification purposes by the Galerkin method. Then, the identification process is conducted in the frequency domain along with modal analysis to determine unknown parameters of the system, where a vision system is applied to record the transverse vibrations of the beam. Finally, the validity of the identified parameter is verified by comparison of the measured vibrations of defined points of the beam-hub system with the simulation results.