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Dielectric Elastomers as Electromechanical Transducers
Fundamentals, Materials, Devices, Models and Applications of an Emerging Electroactive Polymer Technology
Federico Carpi (Edited by), Danilo De Rossi (Edited by), Roy Kornbluh (Edited by), Ronald Edward Pelrine (Edited by), Peter Sommer-Larsen (Edited by)
9780080474885, Elsevier Science
Hardback, published 22 January 2008
344 pages
24 x 16.5 x 2.4 cm, 0.79 kg
Dielectric Elastomers as Electromechanical Transducers provides a comprehensive and updated insight into dielectric elastomers; one of the most promising classes of polymer-based smart materials and technologies. This technology can be used in a very broad range of applications, from robotics and automation to the biomedical field. The need for improved transducer performance has resulted in considerable efforts towards the development of devices relying on materials with intrinsic transduction properties. These materials, often termed as “smart? or “intelligent?, include improved piezoelectrics and magnetostrictive or shape-memory materials. Emerging electromechanical transduction technologies, based on so-called ElectroActive Polymers (EAP), have gained considerable attention. EAP offer the potential for performance exceeding other smart materials, while retaining the cost and versatility inherent to polymer materials. Within the EAP family, “dielectric elastomers?, are of particular interest as they show good overall performance, simplicity of structure and robustness. Dielectric elastomer transducers are rapidly emerging as high-performance “pseudo-muscular? actuators, useful for different kinds of tasks. Further, in addition to actuation, dielectric elastomers have also been shown to offer unique possibilities for improved generator and sensing devices. Dielectric elastomer transduction is enabling an enormous range of new applications that were precluded to any other EAP or smart-material technology until recently. This book provides a comprehensive and updated insight into dielectric elastomer transduction, covering all its fundamental aspects. The book deals with transduction principles, basic materials properties, design of efficient device architectures, material and device modelling, along with applications.
Introduction - History of dielectric elastomer actuators
Electromechanical transduction effects in dielectric elastomers
Dielectric elastomers as high-performance electroactive polymers
Physical and chemical properties of dielectric elastomers
High-performance acrylic and silicone elastomers
Interpenetrating polymer networks as high performance dielectric elastomers
Enhancing the dielectric permittivity of elastomers
Compliant electrodes
Fundamental configurations for dielectric elastomer actuators
Multiple-degrees-of-freedom roll actuators
Actuators and sensors from dielectric elastomer with smart compliant electrodes
Multilayer stack contractile actuators
Contractile monolithic linear actuators
Buckling actuators with integrated displacement sensor
Variable stiffness mode
Generator mode: devices and applications
Finite-elasticity models of actuation
Modeling of prestrained circular actuators
Modeling dielectric elastomer membranes
Biomedical, haptic and micro-scale applications
A new frontier for orthotics and prosthetics
Portable force feedback device based on miniature rolled dielectric elastomer actuators
Programmable surface deformation
Application to very small devices
A new Braille display system design using a polymer based soft actuator tactile display
Robotic and biorobotic applications
Biomimetic robots
Micro-annelid-like robot actuated by artificial muscles based on dielectric elastomers
Binary actuation
Robotic arm
Stiffness control of biomimetic systems through recruitment of bundle elastomeric actuators
Commercial applications
Commercial actuators and issues
Dielectric elastomer loudspeakers.
Subject Areas: Civil engineering, surveying & building [TN], Electronic devices & materials [TJFD], Electronics engineering [TJF], Materials science [TGM], Plastics & polymers technology [TDCP], Biochemical engineering [TC]
