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The dynamic behavior of a cantilever beam coupled to a non-ideal unbalanced motor through numerical and experimental analysis
(Elsevier B.V., 2014-09-29)
An excitation force that is not influenced by the system state is said to be an ideal energy source. In real situations, a direct and feedback coupling between the excitation source and the system must always exist at a ...
Electromagnetic torque ripple and copper losses reduction in permanent magnet synchronous machines
(WILEY-BLACKWELLHOBOKEN, 2012)
This paper presents a method for electromagnetic torque ripple and copper losses reduction in (non-sinusoidal or trapezoidal) surface-mount permanent magnet synchronous machines (SM-PMSM). The method is based on an extension ...
New concept for lifting in onshore oil wells
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2008)
This paper presents the development of a prototype of a tubular linear induction motor applied to onshore oil exploitation, named MAT AE OS (which is the Portuguese acronym for Tubular Asynchronous Motor for Onshore Oil ...
A circular model for song motor control in Serinus canaria
(Frontiers Research Foundation, 2015-03)
Song production in songbirds is controlled by a network of nuclei distributed across several brain regions, which drives respiratory and vocal motor systems to generate sound. We built a model for birdsong production, whose ...
Autoamostrador de baixo custo para análise por injeção em fluxo
(Sociedade Brasileira de Química, 2009)
This paper describes a homemade autosampler for flow injection analysis (FIA), constructed with two step motors from old floppy disk drives (5¼-inch). The autosampler was connected to a computer through the parallel port ...
Induced current in quantum and classical ratchets
(World Scientific, 2010-02)
In a previous work, we described transport in a classical, externally driven, overdamped ratchet. A transport current arises under two possible conditions: either by increasing the external driving or by adding an optimal ...