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Variable speed refrigeration system with HPF input rectifier stage
(2008-09-22)
This paper is based on the analysis and implementation of a new drive system applied to refrigeration systems, complying with the restrictions imposed by the IEC standards (Harmonic/Flicker/EMI-Electromagnetic Interference ...
Variable speed refrigeration system with HPF input rectifier stage
(2008-09-22)
This paper is based on the analysis and implementation of a new drive system applied to refrigeration systems, complying with the restrictions imposed by the IEC standards (Harmonic/Flicker/EMI-Electromagnetic Interference ...
Avaliação da eficiência dos clientes de uma empresa de serviços contábeis de Santa Maria - RS
(Universidade Federal de Santa MariaBrasilUFSMCentro de Ciências Sociais e Humanas, 2013-07-26)
The present study intended to verify, through the DEA (Data Envelopment Analysis), if the ASO (Accounting Services Office) customers who pay higher accounting fees are the most efficient ones. The research is classified ...
Exploring Technical Efficiency in Water Supply Evidence from Ecuador: Do Region Location and Management Type Matter?
(2023)
The efficiency that drinking water suppliers have, is widely analyzed in the literature due to the importance of its proper diagnosis in the regulation of the sector. These regulations seek, via the reduction of inefficiencies, ...
Eficiência dos gastos municipais com a educação fundamental: uma análise dos municípios paulistas no ano de 2013
(Universidade Federal do Paraná, 2017-08)
O propósito deste trabalho é analisar a eficiência dos municípios paulistas em relação aos gastos públicos realizados na subfunção educação fundamental no ano de 2013 com a técnica da Análise Envoltória de Dados (DEA). ...
Natural Hazard-Induced Disasters and Production Efficiency: Moving Closer to or Further from the Frontier?
(2019-05-20)
Abstract
Production efficiency is a key determinant of economic growth and demonstrates how a country uses its resources by relating the quantity of its inputs to its outputs. When a natural hazard-induced ...
Data envelopment analysis and fuzzy theory: efficiency evaluation under uncertainty in portfolio optimization
(2015-01-01)
This article aims to analyze the behavior of a portfolio selected through Data Envelopment Analysis (DEA) associated with fuzzy logic and optimized using the Sharpe approach. As a basis for comparison, two other portfolios ...
A note on efficient computation of privileged directions in modifier adaptation
(Pergamon-Elsevier Science Ltd, 2020-01)
In the presence of plant-model mismatch, the estimation of plant gradients is key to the performance of measurement-based iterative optimization schemes. However, gradient estimation requires time-consuming experiments, ...