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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

FUZZY INFERENCE SYSTEMS FOR MULTI-STEP AHEAD DAILY INFLOW FORECASTING

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Author(s):
Ivette Luna [1] ; Ieda G. Hidalgo [2] ; Paulo S.M. Pedro [3] ; Paulo S.F. Barbosa [4] ; Alberto L. Francato [5] ; Paulo B. Correia [6]
Total Authors: 6
Affiliation:
[1] Universidade Estadual de Campinas. Instituto de Economia - Brasil
[2] Universidade Estadual de Campinas. Faculdade de Tecnologia - Brasil
[3] Universidade Estadual de Campinas. Faculdade de Tecnologia - Brasil
[4] Universidade Estadual de Campinas. Faculdade de Engenharia Civil, Arquitetura e Urbanismo - Brasil
[5] Universidade Estadual de Campinas. Faculdade de Engenharia Civil, Arquitetura e Urbanismo - Brasil
[6] Universidade Estadual de Campinas. Faculdade de Engenharia Mecânica - Brasil
Total Affiliations: 6
Document type: Journal article
Source: Pesquisa Operacional; v. 37, n. 1, p. 129-144, 2017-01-00.
Abstract

ABSTRACT This paper presents the evaluation of a daily inflow forecasting model using a tool that facilitates the analysis of mathematical models for hydroelectric plants. The model is based on a Fuzzy Inference System. An offline version of the Expectation Maximization algorithm is employed to adjust the model parameters. The tool integrates different inflow forecasting models into a single physical structure. It makes uniform and streamlines the management of data, prediction studies, and presentation of results. A case study is carried out using data from three Brazilian hydroelectric plants of the Parana basin, Tiete River, in southern Brazil. Their activities are coordinated by Operator of the National Electric System (ONS) and inspected by the National Agency for Electricity (ANEEL). The model is evaluated considering a multi-step ahead forecasting task. The graphs allow a comparison between observed and forecasted inflows. For statistical analysis, it is used the mean absolute percentage error, the root mean square error, the mean absolute error, and the mass curve coefficient. The results show an adequate performance of the model, leading to a promising alternative for daily inflow forecasting. (AU)

FAPESP's process: 11/09178-1 - Management studies of inflow forecasting with advanced queries module
Grantee:Ieda Geriberto Hidalgo
Support Opportunities: Regular Research Grants