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On the controllers' design to stabilize ground resonance helicopter
(2019-12-01)
Ground resonance (GR) in helicopters is a potentially catastrophic instability commonly caused by coalescence of the regressive cyclic blade lag mode with the fuselage motion in certain rotor speed ranges. It can limit the ...
Positive leader characteristics from high-speed video observations
(Amer Geophysical Union, 2008-04-01)
Based on analyses of high-speed video recordings of cloud-to-ground lightning in Brazil and the USA, the characteristics of positive cloud-to-ground (+CG) leaders are presented. The high frame rates permitted the average, ...
Positive leader characteristics from high-speed video observations
(Amer Geophysical Union, 2008-04-01)
Based on analyses of high-speed video recordings of cloud-to-ground lightning in Brazil and the USA, the characteristics of positive cloud-to-ground (+CG) leaders are presented. The high frame rates permitted the average, ...
EM-based design optimization of microstrip lines traversing a rectangular gap in the reference plane
(Int. Conf. on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), 2012-09)
Ground reaction forces during level ground walking with body weight unloading
(Associacao Brasileira Pesquisa Pos-graduacao Fisioterapia-abrapg-ft, 2014-11-01)
Background: Partial body weight support (BWS) systems have been broadly used with treadmills as a strategy for gait training of individuals with gait impairments. Considering that we usually walk on level ground and that ...
High-speed video observations of positive ground flashes produced by intracloud lightning
(Amer Geophysical Union, 2009-06-26)
High-speed video recordings of two lightning flashes confirm that positive cloud-to-ground (CG) strokes can be produced by extensive horizontal intracloud (IC) discharges within and near the cloud base. These recordings ...
High-speed video observations of positive ground flashes produced by intracloud lightning
(Amer Geophysical Union, 2009-06-26)
High-speed video recordings of two lightning flashes confirm that positive cloud-to-ground (CG) strokes can be produced by extensive horizontal intracloud (IC) discharges within and near the cloud base. These recordings ...
Perdas na colheita mecanizada de soja no estado de Minas Gerais
(Associação Brasileira de Engenharia Agrícola (SBEA), 2005-04-01)
O presente trabalho teve por objetivo avaliar as perdas na colheita de soja em função da idade, velocidade de trabalho, sistema de trilha (axial e radial) e condição de propriedade das colhedoras (própria ou alugada), nas ...
Perdas na colheita mecanizada de soja no estado de Minas Gerais
(Associação Brasileira de Engenharia Agrícola (SBEA), 2005-04-01)
O presente trabalho teve por objetivo avaliar as perdas na colheita de soja em função da idade, velocidade de trabalho, sistema de trilha (axial e radial) e condição de propriedade das colhedoras (própria ou alugada), nas ...
EM-based design optimization of microstrip lines traversing a rectangular gap in the reference plane
(Int. Conf. on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), 2012-09)