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Authors: Hassan Yousefi and Heikki Handroos

Affiliation: Institute of Mechatronics and virtual Engineering, Lappeenranta University of Technology, Finland

ISBN: 972-8865-29-5

Keyword(s): Differential Evolution, Backpropagation, Position Control, Servo-Hydraulic, Flexible load.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Computational Intelligence ; Evolutionary Computation and Control ; Evolutionary Computing ; Genetic Algorithms ; Informatics in Control, Automation and Robotics ; Intelligent Control Systems and Optimization ; Neural Networks Based Control Systems ; Optimization Algorithms ; Soft Computing

Abstract: One of the most promising novel evolutionary algorithms is the Differential Evolution (DE) algorithm for solving global optimization problems with continuous parameters. In this article the Differential Evolution algorithm is proposed for handling nonlinear constraint functions to find the best initial weights of neural networks. The highly non-linear behaviour of servo-hydraulic systems makes them idea subjects for applying different types of sophisticated controllers. The aim of this paper is position control of a flexible servo-hydraulic system by using back propagation algorithm. The poor performance of initial training of back propagation motivated to apply the DE algorithm to find the initial weights with global minimum. This study is concerned with a second order model reference adaptive position control of a servo-hydraulic system using two artificial neural networks. One neural network as an acceleration feedback and another one as a gain scheduling of a proportional controll er are proposed. The results suggest that if the numbers of hidden layers and neurons as well as the initial weights of neural networks are chosen well, they improve all performance evaluation criteria in hydraulic systems. (More)

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Paper citation in several formats:
Yousefi H.; Handroos H. and (2005). APPLICATION OF DE STRATEGY AND NEURAL NETWORK - In position control of a flexible servohydraulic system.In Proceedings of the Second International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO, ISBN 972-8865-29-5, pages 133-140. DOI: 10.5220/0001190301330140

@conference{icinco05,
author={Hassan Yousefi and Heikki Handroos},
title={APPLICATION OF DE STRATEGY AND NEURAL NETWORK - In position control of a flexible servohydraulic system},
booktitle={Proceedings of the Second International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,},
year={2005},
pages={133-140},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001190301330140},
isbn={972-8865-29-5},
}

TY - CONF

JO - Proceedings of the Second International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,
TI - APPLICATION OF DE STRATEGY AND NEURAL NETWORK - In position control of a flexible servohydraulic system
SN - 972-8865-29-5
AU - Yousefi, H.
AU - Handroos, H.
PY - 2005
SP - 133
EP - 140
DO - 10.5220/0001190301330140

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