Bistable Fluidic Laminar Amplifiers for Optopneumatic Interfaces
G. Belforte, G. Eula, M. Martinelli, T. Raparelli, and V. Viktorov
Dept. of Mechanics. Politecnico di Torino, Technical University, Corso Duca degli Abruzzi, 24 10129 Torino, Italy
Received:September 20, 2002Accepted:June 17, 2003Published:August 20, 2003
Keywords:laminar bistable amplifier, fluidic elements, optopneumatic interface, low power control systems
Properties such as intrinsic security, low switching power, and the possibility of fabricating interfaces such as optopneumatic interfaces without electrical parts have greatly increased interest in fluidic elements. In fluidic elements, an optical signal is converted to a pressure signal that, when appropriately amplified, commands power stages suitable for environments having the risk of explosion or electromagnetic interference. The operation and use of bistables based on the wall effect has been known among digital elements for some time, but this component has mainly been studied and applied in turbulent systems. We focus on the study and realization of a fluidic bistable amplifier operating in the laminar range and therefore switchable by extremely low control power.
Cite this article as:G. Belforte, G. Eula, M. Martinelli, T. Raparelli, and V. Viktorov, “Bistable Fluidic Laminar Amplifiers for Optopneumatic Interfaces,” J. Robot. Mechatron., Vol.15 No.4, pp. 377-383, 2003.Data files:
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