Results 11 to 20 of about 181,458 (295)

Analysis of different strategies of automatic control applied to a didactic prototype for the study of underground mines ventilation

open access: yesIngeniería Investigación y Desarrollo, 2014
This paper describes a prototype developed for the study and control of ventilation for mining. Modeling is presented by means of a parametric identification and the result of the application of basic control strategies such as PID, On-Off and advanced ...
Juan Mauricio Salamanca   +2 more
doaj   +1 more source

The variable speed drive VSD as ideal method for starting electric induction motors

open access: yesIngeniería Investigación y Desarrollo, 2013
By programming parameters, implementation of VSD reference CFW-11, and conducting starts with electric induction motors, with different characteristics, we analyze the behavior of the variables: voltage, current, torque and engine velocity to verify that
Julio Alberto Carrillo-Romero   +1 more
doaj   +1 more source

The evaluation of effectiveness of school-based small group mentoring system : Discovery Scholars Program at UT Austin [PDF]

open access: yes, 2017
Previous studies have found that students’ college experiences differ vastly depending on their socioeconomic status (SES), not only in their academic achievement (Chen & Carroll, 2005; Harackiewicz et al., 2014), but also in the wholesome process of the
Oh, Haein
core   +1 more source

NGX-4010, a capsaicin 8% patch, for the treatment of painful HIV-associated distal sensory polyneuropathy: integrated analysis of two phase III, randomized, controlled trials [PDF]

open access: yes, 2013
BACKGROUND HIV-associated distal sensory polyneuropathy (HIV-DSP) is the most frequently reported neurologic complication associated with HIV infection.
Brew, Bruce J   +9 more
core   +1 more source

Harnessing machine learning for fiber-induced nonlinearity mitigation in long-haul coherent optical OFDM [PDF]

open access: yes, 2018
© 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).Coherent optical
Aldaya, Ivan   +5 more
core   +2 more sources

Novel Tone Mapping Method via Macro-Micro Modeling of Human Visual System

open access: yesIEEE Access, 2019
Tone mapping(TM) aims to adapt high dynamic range (HDR) images to conventional displays with visual information preserved. In this paper, a novel TM method based on macro-micro modeling is proposed, which can address the common problems in existing TM ...
Disheng Miao   +4 more
doaj   +1 more source

Modeling and Implementation of Space Vector PWM Driver of 3-Phase Induction Motor [PDF]

open access: yesEngineering and Technology Journal, 2009
This research proposes the design, simulation, and implementation of a three-phase induction motor driver, using voltage-fed Space Vector Pulse Width Modulation technique (SVPWM), which is an advance and modern technique. The SVPWM provides maximum usage
Fadhil Abbas Hassan, Majid K. Al-Khatat
doaj   +1 more source

O uso da plataforma de desenvolvimento OMAP-L137/TMS320C6747, de processamento digital de sinais, na implementação de filtros digitais

open access: yesRevista Principia, 2014
Nas últimas décadas a tecnologia tem evoluído rapidamente com a grande demanda por equipamentos para processamento digital de sinais. O Digital Signal Processor (DSP) é um microcontrolador especializado, com alto poder de processamento, utilizado ...
Thamyres T. C. Palitó   +4 more
doaj   +1 more source

Graphic Library Optimization for MIPS Architecture

open access: yesElektronika ir Elektrotechnika, 2020
The aim of this paper and research was to analyse the efficiency of the compiler-generated code for the graphics library and to present results obtained by optimization for the MIPS (Million Instructions Per Second) architecture.
Teodora Novkovic   +3 more
doaj   +1 more source

Implementation of a secure digital chaotic communication scheme on a DSP board [PDF]

open access: yes, 2010
In this paper, a new a secure communication scheme using chaotic signal for transmitting binary digital signals is proposed and which is then implemented on a Digital Signal Processor (DSP) board.
Aggoune, Woihida   +3 more
core   +1 more source

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