Linear fully dry polymer actuators

Danilo De Rossi; Alberto Mazzoldi

doi:10.1117/12.349710

28 May 1999 Linear fully dry polymer actuators

Danilo De Rossi, Alberto Mazzoldi

Proceedings Volume 3669, Smart Structures and Materials 1999: Electroactive Polymer Actuators and Devices; (1999) https://doi.org/10.1117/12.349710
Event: 1999 Symposium on Smart Structures and Materials, 1999, Newport Beach, CA, United States

Abstract

In the last period, the interest in the development of devices that emulate the properties of the 'par excellence' biological actuator, the human muscle, is considerably grown. The recent advances in the field of conducting polymers open new interesting prospects in this direction: from this point of view polyaniline (PANi), since it is easily produced in fiber form, represents an interesting material. In this conference we report the development of a linear actuator prototype that makes use of PANi fiber. All fabrication steps (fiber extrusion, solid polymer electrolyte preparation, compound realization) and experimental set-up for the electromechanical characterization are described. Quantitative measurements of isotonic length changes and isometric stress generation during electrochemical stimulation are reported. An overall assessment of PANi fibers actuative properties in wet and dry conditions is reported and possible future developments are proposed. Finally, continuum and lumped parameter models formulated to describe passive and active contractile properties of conducting polymer actuators are briefly outlined.

Citation Download Citation

Danilo De Rossi and Alberto Mazzoldi "Linear fully dry polymer actuators", Proc. SPIE 3669, Smart Structures and Materials 1999: Electroactive Polymer Actuators and Devices, (28 May 1999); https://doi.org/10.1117/12.349710

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