This paper shows a solution based on the use of magnetorheological fluids, aimed at conferring proportional controllability to standard on-off pneumatic actuators. The central idea is based on adding a magnetorheological fluid brake on a standard pneumatic device, in order to achieve position control of the system. The goal is to design a small and cheap magnetorheological fluid brake for automotive applications . Several concept of brake are presented, using the fluid in shear and flow mode. The final configuration involves not only mechanical architecture, but also an investigation on the coil shape and the related magnetic field.
DESIGN OF A COMBINED PNEUMATIC AND MAGNETORHEOLOGICAL ACTUATOR FOR PROPORTIONAL MOTION CONTROL / Spaggiari, Andrea; Dragoni, Eugenio; N., Bellato; F., Lancioni; M., Pecora. - STAMPA. - (2007), pp. 185-188. (Intervento presentato al convegno 6th Youth Symposium on Experimental Solid Mechanics tenutosi a Vrnjačka Banja, Serbia nel 9-12 MAggio 2007).
DESIGN OF A COMBINED PNEUMATIC AND MAGNETORHEOLOGICAL ACTUATOR FOR PROPORTIONAL MOTION CONTROL
SPAGGIARI, Andrea;DRAGONI, Eugenio;
2007
Abstract
This paper shows a solution based on the use of magnetorheological fluids, aimed at conferring proportional controllability to standard on-off pneumatic actuators. The central idea is based on adding a magnetorheological fluid brake on a standard pneumatic device, in order to achieve position control of the system. The goal is to design a small and cheap magnetorheological fluid brake for automotive applications . Several concept of brake are presented, using the fluid in shear and flow mode. The final configuration involves not only mechanical architecture, but also an investigation on the coil shape and the related magnetic field.
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