NDLI: Using a Conventional Servopneumatic System for Robust Motion Control in the Micrometer Range

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Carneiro, J. Falcão Almeida, F. Gomes De
Copyright Year	2014
Abstract	Conventional pneumatic systems present several advantages over competitive technologies, as they do not exhibit significant heat or magnetic fields and present high force to volume ratios. Nevertheless, they are very difficult to control due to their inherent nonlinearities like friction forces or air compressibility. As a consequence, their use is limited to simple motion tasks. This paper uses a nonlinear control law, previously developed by the authors, to control a servopneumatic system in the micro meter range. Preliminary experimental results show that the control law leads to very accurate motion control in micro meter positioning tasks in any position of the piston stroke. The paper also shows, through experimental results, that the control law is robust to parametric variations (change of payloads) and to external constant disturbances (gravity force).
Sponsorship	International
File Format	PDF
ISBN	9780791845851
DOI	10.1115/ESDA2014-20263
Volume Number	Volume 3: Engineering Systems; Heat Transfer and Thermal Engineering; Materials and Tribology; Mechatronics; Robotics
Conference Proceedings	ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis
Language	English
Publisher Date	2014-07-25
Publisher Place	Copenhagen, Denmark
Access Restriction	Subscribed
Subject Keyword	Pistons Heat Compressibility Friction Gravity (force) Pneumatic systems Magnetic fields Motion control
Content Type	Text
Resource Type	Article

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