22   Artículos

 
en línea
Ngoc Phi Nguyen, Nguyen Xuan Mung, Le Nhu Ngoc Thanh Ha and Sung Kyung Hong    
In this paper, a fault-tolerant control method is proposed for a hexacopter under uncertainties. The proposed method is based on adaptive-sliding-mode control (ASMC) and a control allocation scheme. First, a mathematical model of the hexacopter is employ... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Huafeng Yu, Yingqing Guo, Xinghui Yan and Jiamei Wang    
Turbine-based combined cycle (TBCC) engines are one of the ideal powers for reusable air-breathing supersonic aircraft, but the flight/propulsion integrated control and mode transition restricts its use. This paper takes the Mach 4 over-under TBCC engine... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Jiaqi Guo, Lipan Cheng, Yongbiao Lai, Yongchao Tian and Lu Li    
The stability control of the surrounding rock is greatly influenced by the rock joint?s shear mechanical characteristics and deformation failure mechanism. A numerical model of the dentate joints was created using a particle flow discrete element method ... ver más
Revista: Buildings    Formato: Electrónico

 
en línea
Eugen Vereschago,Vitalii Kostiuchenko,Sergii Novogretskyi     Pág. 23 - 31
A simulation model of a converter with soft switching of transistors has been created. New calculation methods and means of measuring the equivalent frequency characteristics of converting devices with negative feedback to the problems of stability analy... ver más
Revista: Eastern-European Journal of Enterprise Technologies    Formato: Electrónico

 
en línea
Vladimir Burlaka,Elena Lavrova     Pág. 38 - 43
This paper proposes a circuit solution and a control algorithm for a welding power source for TIG-AC welding with improved energy characteristics. The source is made using a welding transformer and a low-voltage series active power filter on power field ... ver más
Revista: Eastern-European Journal of Enterprise Technologies    Formato: Electrónico

 
en línea
Ismael Pérez-García,Alejandro Aguilar-Sierra,Jaime Steven Hernández-Alfaro     Pág. 285 - 300
Tropical cyclone Mitch, which occurred in October 1998 on the Caribbean Sea, is studied. Mitch affected countries in Central America, where it caused great economic and human losses, and the authors believe that the scientific community has not paid enou... ver más
Revista: Atmósfera    Formato: Electrónico

 
en línea
ISMAEL PÉREZ-GARCÍA    
This study explores the zonal flow in the form of Legendre polynomials. The basic flow is divided into a zonally symmetric flow and a Rossby-Haurwitz (RH) wave. Several features of this (more realistic) zonal flow make it particularly interesting, such a... ver más
Revista: Atmósfera    Formato: Electrónico

 
en línea
YURI N. SKIBA,JULIAN ADEM,TOMÁS MORALES ACOLTZI    
A structure of the matrix resulting from the normal mode stability of tonal non-divergent flows on a sphere is analyzed. The analysis is based on using the recurrent formula derived for the nonlinear triad interaction coefficients. As an application, ... ver más
Revista: Atmósfera    Formato: Electrónico

 
en línea
L. Gurovich, J. Stern     Pág. 35 - 42
Variabilidad espacial de la velocidad de infiltración del agua en el suelo. I. Generación de datosCiencia e Investigación Agraria, Revista latinoamericana en Ciencias de la Agricultura, está indexada en las siguientes bases de datos: Thomson ISI, Alerta ... ver más
Revista: Ciencia e Investigación Agraria    Formato: Electrónico

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