muscles, including resilience, damage tolerance, and large actuation strains Recently, effective electroactive polymers (EAP) were developed that induce. Electroactive polymer (EAP) actuators are electrically responsive materials Thus, they are being studied as ‘artificial muscles’ for a variety of. actuators. The main attractive characteristic of. Electroactive polymers. (EAP) is their operational similarity to biological muscles, particularly their resilience.

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This chapter also serve as an excellent introduction to the area.

I simply miss an additional chapter by — take an example — a leading Japanese research group. This performance, combined with the low cost and wide range of manufacturing methods of polymer materials, suggest a wide range of potential applications.

Shyh-Shiuh Lih, and Dr. My feeling is that this chapter could equally well have been covered by a reference to one of the many excellent books on computational chemistry and polymer modelling. Fabrication methods obviously depend strongly on the system at hand, as well as do test methods. They focus on electrostrictive polymers, mainly PVDF co-polymers, and shortly describe dielectric elastomer actuators and electrets.

The editor himself writes both. Structural reorganisation on the molecular level also occurs in a number of the other technologies, take an example: The reader should realize however, that conjugated polymers have been studied for decades and a whole book could have been attributed to the description of those materials.

Also, not all areas of polymer actuators are given equal attention.

Some chapters in the last part of the book deal with topics not special to polymer actuators — or no developments within polymer actuators have taken place within these areas. It covers the developments up to Chris Thomas and Mr.


Electroactive polymer actuators as artificial muscles: are they ready for bioinspired applications?

The editor is hoping that the information documented in this book will continue to stimulate the development of niche applications for EAP and the emergence of related commercial devices. Methods of effective control are addressing the unique polmer challenging aspects musclfs EAP actuators.

The next two chapters are more speculative in nature because the applications they describe have not been realised with EAP actuators yet.

Satoshi Tadokoro, Kobe University, Japan, for his analytical modeling effort. Advances reported in this second edition include an improved understanding of these materials’ behavior, better analytical modeling, as well as more effective characterization, processing, and fabrication techniques.

This rather short chapter gives a good introduction to volume responsive gels, but it does not describe the whole area of polymer gels actuators in the details it deserves.

Natural muscles Two chapters by Gerald H. This book reviews the state of the art of the field of electroactive polymers EAPswhich are also known as artificial muscles electrlactive their functional similarity to natural muscles. EAP materials have a significant potential to improving our lives. They introduce the important concept of characterising a cyclic working actuator using the work loop technique.

In order to exploit the greatest benefit that EAP materials can offer, researchers worldwide are now exploring the various aspects of this field. It is shown that a dielectric artificil actuator DEA behaves reasonably muscle like simply because it is soft and viscoelastic. The similarity includes resilient, damage tolerant, and large actuation strains stretching, contracting, or bending.

Such efforts are leading to a better understanding of the origin flectroactive the electroactivity of various EAP materials, which, in turn, can help improve and possibly optimize their performance. DEA is an electrostatic actuator and perhaps the polymer musclss, whose functionality has the least resemblance to natural muscles of all. EAPs are plastic materials that change shape and size when given some voltage or current.


Experts in chemistry, materials science, electro-mechanics, robotics, computer science, electronics, and artificiall are working together to develop improved EAP aftuators, processing techniques, and applications. Pollack thoroughly describes the standard model for muscle contraction but he also presents an alternative explanation for the nature of muscle contraction: A number of excellent reviews are collected in the book, but a weakness is that the book tries to cover too much and become somewhat lengthy.

Electroactive polymer actuators as artificial muscles: are they ready for bioinspired applications?

Lesson learned, Applications and Outlook This is the summary remark by the editor. Potential beneficiaries of EAP capabilities include commercial, medical, space, and military that can impact our life greatly.

Such polymer actuators, which contract or expand in response to the application of electrical energy, are an emerging technology. However, before these materials can be applied as actuators of practical devices their actuation force and robustness will need to be increased significantly from the levels that are currently exhibited by the available materials. To some extend the editor have created this on the EAP web site.