DATA REDUCTION VERSUS FEATURE SELECTION IN APPLICATION OF DAILY MAXIMUM POWER LOAD FORECASTING
Journal Title: Informatyka Automatyka Pomiary w Gospodarce i Ochronie Środowiska - Year 2013, Vol 3, Issue 2
Abstract
Load forecasting task of small energetic region is a difficult problem due to high variability of power consumption. The accurate forecast of the power in the next hours is very important from the economic point of view. The most important problems in prediction are the choice of predictor and selection of features. Two methods of features selection was presented – simple selection using of genetic algorithm and dimensionality reduction methods for creating new features from many available measured data. As a predictor the Support Vector Machine working in regression mode (SVR) was chosen. The load forecasting results with SVR are presented and discussed.
Authors and Affiliations
Krzysztof Siwek
MOTION CONTROL SYSTEM OF AUTONOMOUS MOBILE ROBOT
In this article the motion control system of autonomous mobile robot is described. Four motion modes: motion mode “to the target”, motion mode “obstacles avoidance”, motion mode “along the right wall” and motion mode “al...
IMPACT OF DIRICHLET BOUNDARY CONDITION ON CALCULATION RATE AND STABILITY DURING EDDY CURRENT MODELLING USING ELECTRIC SCALAR POTENTIAL
Field of presented results are bioelectromagnetic problems. Mathematical description of eddy-currents excited by external, low time-varying magnetic fields coming from the current flowing in the coil, was formulated on t...
HISTORY MANAGEMENT OF DATA – SLOWLY CHANGING DIMENSIONS
The article describes few methods of managing data history in databases and data marts. There are many types of dealing with the history of the data. This article will show us some examples, point advantages and disadvan...
AUTOMATYZACJA SYSTEMOWEGO POZIOMU PROJEKTOWANIA INTELIGENTNEGO DOMU
W artykule przedstawiono opracowanie schematu strukturalnego inteligentnego domu (ID), ogólny algorytm pracy systemu ID, a także model systemu ID na podstawie kolorowej sieci Petri, co pozwala badać dynamikę zachowania z...
FUZZY CLUSTERING OF RAW THREE DIMENSIONAL TOMOGRAPHIC DATA FOR TWO-PHASE FLOWS RECOGNITION
The paper contains a description of the fuzzy clustering method usage for the recognition of two-phase gas-liquid flows. The authors presenta detailed description of the obtaining process of three dimensional tomographic...