Force control in hydraulic actuators through proportional relief valve
DOI:
https://doi.org/10.31908/19098367.3555Keywords:
Force control, hydraulic, proportional relief valve, strain gauge sensorAbstract
With the formulation of Pascal’s principle, an important work has been developed in fl uid power and control. The variables most used in this fi eld are: speed, position and force; there is suffi cient literature on this subject, especially when related to proportional four-way /three state valves Control de fuerza en actuadores hidráulicos mediante válvula proporcional de alivio1 Force control in hydraulic actuators through proportional relief valve Controle da força em atuadores hidráulicos mediante válvula proporcional de alívio D.A. Echeverry, F.J. Henao Fecha recibido: junio 7 de 2017 - Aceptado: junio 29 de 2017 as final control element. These valves behave very well for speed and position, but when it comes to a fi ne force control, proportional relief valves are required. The present article shows the force control in hydraulic actuators by means of a proportional relief valve, performing its characterization and behavior experimentally. Furthermore, a scheme integrating the hydraulic elements, data acquisition and system intercommunication is generated through an interface between the control system and the actuators, with the purpose of regulating the force, which consists on a pre-established load.
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References
VICKERS. Manual de oleohidráulica industrial. Barcelona: Blume. A35100A.
VICKERS. Manual para servoválvulas y válvulas proporcionales en cadenas cerradas. Vickers System, Barcelona. E-B-9052-3-0-9.9-FWS-HI.
BAGHESTAN, K. Robust force control in a novel electrohydraulic structure using polytopic uncertain representation, ISA Transactions. Elsevier 2014.
LIU,Yang-fang. DAI, Zheng-kun. Multi-domain modeling and simulation of proportional solenoid valve. School of Transportation Science and Engineering, Beihang University, Beijing 100191, China. Central South University Press and Springer-Verlag Berlin Heidelberg 2011.
NAKKARAT, Prunt. Observer based backstepping force control of an electrohydraulic actuator, Control Engineering Practice. Elsevier. 2009.
XIAO, Lingfei. Cascaded sliding mode force control for a single rod electrohydraulic actuator, Neurocomputing. Elsevier. 2015.
WATTON, John. Fluid Power Systems: Modeling, simulation, analog and microcomputer control. Hertfordshire Inglaterra: Prentice Hall, 1989. ISBN 0-13-323213-1.
ERHARD, M. WEBER, J, Geometrical design and operability verification of a proportional pressure relief valve. The 13th Scandinavian International Conference on Fluid Power, SICFP2013, June 3-5, 2013, Linköping, Sweden.
KULENOVIĆ, Darko. Influence of the hydraulic relief valve poppet geometry on valve performance. 14th International Research/Expert Conference ”Trends in the Development of Machinery and Associated Technology” TMT 2010, Mediterranean Cruise, 11-18 September 2010.
DORF, C. Richard. Modern control systems. Twelfth edition. California EE.UU, Prentice Hall, 2011. ISBN-13:978-0-13-602458-3.
OGATA, Katsuhiko. Sistemas de control en tiempo discreto. Traducido por José Guillermo Aranda. 2 ed. México: Prentice Hall, 1996. ISBN: 968-880-539-4.
H. Heliodoro, López Ricardo. Diseño de compensadores en adelanto. Sciencia et Technica, No 11, Octubre 1999. Universidad Tecnológica de Pereira. ISSN 0122-1701.
D. Echeverry, P. González. Control de fuerza en actuadores hidráulicos mediante válvula de alivio proporcional. Pereira 2015. Trabajo de grado (Magister en Sistemas Automáticos de Producción). Universidad Tecnológica de Pereira. Facultad de Ingeniería Mecánica.