Please use this identifier to cite or link to this item: https://scidar.kg.ac.rs/handle/123456789/11586
Title: A nature inspired optimal control of pneumatic-driven parallel robot platform
Authors: Pršić, Dragan
Nedić, Novak
Stojanović, Vladimir
Journal: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Issue Date: 1-Jan-2017
Abstract: © 2016 Institution of Mechanical Engineers. Woodworking industry is increasingly characterized by processing complex spatial forms with high accuracy and high speeds. The use of parallel robot platforms with six degrees of freedom gains more significance. Due to stricter requirements regarding energy consumption, easy maintenance and environmental safety, parallel platforms with pneumatic drives become more and more interesting. However, the high precision tracking control of such systems represents a serious challenge for designers. The reason is found in complex dynamics of the mechanical system and strong nonlinearity of the pneumatic system. This paper presents an optimal control design for a pneumatically driven parallel robot platform. The Proportional-Integral-Derivative (PID) algorithm with feedback linearization is used for control. The parameter search method is based on a firefly algorithm due to the empirical evidence of its superiority in solving various nonconvex problems. The simulation results show that the proposed optimal tuned cascade control is effective and efficient. These results clearly demonstrate that the proposed control techniques exhibit significant performance improvement over classical and widely used control techniques.
URI: https://scidar.kg.ac.rs/handle/123456789/11586
Type: article
DOI: 10.1177/0954406216662367
ISSN: 09544062
SCOPUS: 85007232595
Appears in Collections:Faculty of Mechanical and Civil Engineering, Kraljevo

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