Método de avaliação do custo computacional para sistemas de controle digital embarcados (Computational Cost Evaluation Method to Embedded Digital Control Systems)

Arthur Garcia Bartsch (arthurbartsch@gmail.com)1, Guilherme do Nascimento (guilhermedonasc@gmail.com)1, Fábio Seiji Sacurae (fabio.sacurae@gmail.com)1, Ademir Nied (ademir.nied@udesc.br)1, José de Oliveira (jose.oliveira@udesc.br)1

1Universidade do Estado de Santa Catarina

This paper appears in: Revista IEEE América Latina

Publication Date: Feb. 2016
Volume: 14,   Issue: 2 
ISSN: 1548-0992

This paper presents a method to evaluate the computational cost of a function in embedded systems. This method, which uses the Least Squares method, is useful to see the sample time choice feasibility, in control applications. In this work, the developed method is used to evaluate the computational cost of the model-based predictive control to speed control of a shunt direct current motor. The method was tested using two embedded devices allowing to find the correct sample time for each device evaluated.

Index Terms:
Computational cost, Model-based Predictive Control, Shunt DC Motor Drive.   

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