Document details

Robotic manipulators with vibrations: short time fourier transform of fractiona...

Author(s): Lima, Miguel cv logo 1 ; Machado, J. A. Tenreiro cv logo 2 ; Crisóstomo, Manuel cv logo 3

Date: 2009

Persistent ID: http://hdl.handle.net/10400.22/4433

Origin: Repositório Científico do Instituto Politécnico do Porto


Description
This paper analyzes the signals captured during impacts and vibrations of a mechanical manipulator. In order to acquire and study the signals an experimental setup is implemented. The signals are treated through signal processing tools such as the fast Fourier transform and the short time Fourier transform. The results show that the Fourier spectrum of several signals presents a non integer behavior. The experimental study provides valuable results that can assist in the design of a control system to deal with the unwanted effects of vibrations.
Document Type Part of book or chapter of book
Language English
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