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Smart Materials Actuators

Smart Materials Actuators
Author: Seung-Bok Choi
Publisher:
Total Pages: 318
Release: 2015
Genre: Actuators
ISBN: 9781634825740
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In the last two decades, a great effort has been directed towards the development of new smart materials actuators and their corresponding application devices and systems. Currently, some smart materials actuators are commercially applied for several technologies including automotive technology, but some of the smart materials actuators are still far from meeting strict practical requirements such as reliability, cost-effectiveness and robustness against unexpected environment conditions. Therefore, it is timely and appropriate to present recent research on smart materials actuators in terms of material characterization and advanced application systems in a single book. This book describes smart materials actuator technology from materials characterizations to device or system applications. The smart materials introduced in this book include magnetorehological fluid (MRF), magnetorheological elastomer (MRE), electrorheological fluid (ERF), piezoelectric material (PM), shape memory ally (SMA), dielectric elastomer (DE) and ionic polymer (IP). Both physical and chemical characterizations of each smart material are described in details in terms of actuating aspect. In addition, several application devices utilizing each smart material are introduced to provide practical controllability as a potential candidate for new actuators. The application devices introduced in this book include MRF damper for automotive suspension, PM unimorph pump for micro-hydraulic system, MRE flexible structure for vibration control, IP biomimetic micro-robot and SMA civil structure and damper system for vibration attenuation.

Smart Materials-Based Actuators at the Micro/Nano-Scale

Smart Materials-Based Actuators at the Micro/Nano-Scale
Author: Micky Rakotondrabe
Publisher: Springer Science & Business Media
Total Pages: 277
Release: 2013-06-28
Genre: Technology & Engineering
ISBN: 1461466849
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Smart Materials-Based Actuators at the Micro/Nano-Scale: Characterization, Control, and Applications gives a state of the art of emerging techniques to the characterization and control of actuators based on smart materials working at the micro/nano scale. The book aims to characterize some commonly used structures based on piezoelectric and electroactive polymeric actuators and also focuses on various and emerging techniques employed to control them. This book also includes two of the most emerging topics and applications: nanorobotics and cells micro/nano-manipulation.

Piezoelectric Actuators

Piezoelectric Actuators
Author: Seung-Bok Choi
Publisher: CRC Press
Total Pages: 280
Release: 2016-04-19
Genre: Technology & Engineering
ISBN: 9781439818091
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Currently, many smart materials exhibit one or multifunctional capabilities that are being effectively exploited in various engineering applications, but these are only a hint of what is possible. Newer classes of smart materials are beginning to display the capacity for self-repair, self-diagnosis, self-multiplication, and self-degradation. Ultimately, what will make them practical and commercially viable are control devices that provide sufficient speed and sensitivity. While there are other candidates, piezoelectric actuators and sensors are proving to be the best choice. Piezoelectric Actuators: Control Applications of Smart Materials details the authors’ cutting-edge research and development in this burgeoning area. It presents their insights into optimal control strategies, reflecting their latest collection of refereed international papers written for a number of prestigious journals. Piezoelectric materials are incorporated in devices used to control vibration in flexible structures. Applications include beams, plates, and shells; sensors and actuators for cabin noise control; and position controllers for structural systems such as the flexible manipulator, engine mount, ski, snowboard, robot gripper, ultrasonic motors, and various type of sensors including accelerometer, strain gage, and sound pressure gages. The contents and design of this book make it useful as a professional reference for scientists and practical engineers who would like to create new machines or devices featuring smart material actuators and sensors integrated with piezoelectric materials. With that goal in mind, this book: Describes the piezoelectric effect from a microscopic point of view Addresses vibration control for flexible structures and other methods that use active mount Covers control of flexible robotic manipulators Discusses application to fine-motion and hydraulic control systems Explores piezoelectric shunt technology This book is exceptionally valuable as a reference for professional engineers working at the forefront of numerous industries. With its balanced presentation of theory and application, it will also be of special interest to graduate students studying control methodology.

Chemoresponsive Materials

Chemoresponsive Materials
Author: Hans-Jorg Schneider
Publisher: Royal Society of Chemistry
Total Pages: 300
Release: 2015-06-26
Genre: Technology & Engineering
ISBN: 178262242X
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Smart materials stimulated by chemical or biological signals are of interest for their many applications including drug delivery, as well as in new sensors and actuators for environmental monitoring, process and food control, and medicine. In contrast to other books on responsive materials, this volume concentrates on materials which are stimulated by chemical or biological signals. Chemoresponsive Materials introduces the area with chapters covering different responsive material systems including hydrogels, organogels, membranes, thin layers, polymer brushes, chemomechanical and imprinted polymers, nanomaterials, silica particles, as well as carbohydrate- and bio-based systems. Many promising applications are highlighted, with an emphasis on drug delivery, sensors and actuators. With contributions from internationally known experts, the book will appeal to graduate students and researchers in academia, healthcare and industry interested in functional materials and their applications.

Ferroic Materials for Smart Systems

Ferroic Materials for Smart Systems
Author: Jiyan Dai
Publisher: John Wiley & Sons
Total Pages: 262
Release: 2020-04-27
Genre: Technology & Engineering
ISBN: 3527344764
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Presents state-of-the-art knowledge?from basic insights to applications?on ferroic materials-based devices This book covers the fundamental physics, fabrication methods, and applications of ferroic materials and covers bulk, thin films, and nanomaterials. It provides a thorough overview of smart materials and systems involving the interplays among the mechanical strain, electrical polarization, magnetization, as well as heat and light. Materials presented include ferroelectric, multiferroic, piezoelectric, electrostrictive, magnetostrictive, and shape memory materials as well as their composites. The book also introduces various sensor and transducer applications, such as ultrasonic transducers, surface acoustic wave devices, microwave devices, magneto-electric devices, infrared detectors and memories. Ferroic Materials for Smart Systems: Fabrication, Devices and Applications introduces advanced measurement and testing techniques in ferroelectrics, including FeRAM and ferroelectric tunnelling based resistive switching. It also looks at ferroelectricity in emerging materials, such as 2D materials and high-k gate dielectric material HfO2. Engineering considerations for device design and fabrication are examined, as well as applications for magnetostrictive devices. Multiferroics of materials possessing both ferromagnetic and ferroelectric orders is covered, along with ferroelastic materials represented by shape memory alloy and magnetic shape memory alloys. -Brings together physics, fabrication, and applications of ferroic materials in a coherent manner -Discusses recent advances in ferroic materials technology and applications -Covers dielectric, ferroelectric, pyroelectric and piezoelectric materials -Introduces electrostrictive materials and magnetostrictive materials -Examines shape memory alloys and magneto-shape-memory alloys -Introduces devices based on the integration of ferroelectric and ferromagnetic materials such as multiferroic memory device and ME coupling device for sensor applications Ferroic Materials for Smart Systems: Fabrication, Devices and Applications will appeal to a wide variety of researchers and developers in physics, materials science and engineering.

Smart Materials

Smart Materials
Author: Lenore Rasmussen
Publisher: Springer Nature
Total Pages: 267
Release: 2021-09-23
Genre: Technology & Engineering
ISBN: 3030705145
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This book provides in-depth coverage of smart materials, including electroactive polymers (EAPs), synthetic muscle, pneumatic artificial muscle, soft pneumatics, hydro-muscle, and other cutting-edge transformational smart material technologies. It looks at ways smart materials respond to stimuli, such as electricity, pressure, temperature, magnetism, or light. State-of-the-art developments in EAP based actuation and pneumatics are covered, including nanotechnology, soft robotics, EAP considerations for NASA applications and thermal control of satellites, control of mirrors using dielectric elastomeric actuators, and biomimetic design and function in robotics and prosthetics. A detailed analysis of the challenges of smart materials on Earth and in space is included, with an interview about considerations and training for Missions to Moon and Mars. This book is a must-read within the smart material and space communities, from tech savvy students to industry professionals.

Vibration Control Systems Utilizing Smart Materials Actuators

Vibration Control Systems Utilizing Smart Materials Actuators
Author: Seung-Bok Choi
Publisher: Nova Science Publishers
Total Pages: 0
Release: 2016
Genre: Active noise and vibration control
ISBN: 9781634851701
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Recently, considerable attention has been focused on vibration control technology using smart or intelligent materials, which have inherently actuating and sensing capabilities. Typically these materials are employed to the vibration control of lumped parameter systems or distributed parameter structures by controlling the mass-distribution, stiffness change and the dissipation change. This may be accomplished by semi-active control or active control methods associated with the smart material actuators. Among many candidates of smart materials, magneto-rheological materials and piezoelectric materials are frequently adopted for vibration control. Magneto-rheological fluid and elastomer are especially utilized for vibration control of lumped parameter systems such as automotive damper, while the piezoelectric materials are used for vibration control of flexible distributed parameter structures with salient characteristics, such as fast response time. This book can be used as a textbook for graduate students or as a reference book for potential researchers who are interested in vibration control utilizing new methods associated with smart materials actuators. This book will provide some novel insights for advanced vibration control technology to many readers.

Design of Shape Memory Alloy (SMA) Actuators

Design of Shape Memory Alloy (SMA) Actuators
Author: Ashwin Rao
Publisher: Springer
Total Pages: 130
Release: 2015-05-08
Genre: Science
ISBN: 3319031880
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This short monograph presents an analysis and design methodology for shape memory alloy (SMA) components such as wires, beams, and springs for different applications. The solid-solid, diffusionless phase transformations in thermally responsive SMA allows them to demonstrate unique characteristics like superelasticity and shape memory effects. The combined sensing and actuating capabilities of such materials allows them to provide a system level response by combining multiple functions in a single material system. In SMA, the combined mechanical and thermal loading effects influence the functionality of such materials. The aim of this book is to make the analysis of these materials accessible to designers by developing a "strength of materials" approach to the analysis and design of such SMA components inspired from their various applications with a review of various factors influencing the design process for such materials.

Progress in Smart Materials and Structures

Progress in Smart Materials and Structures
Author: Peter L. Reece
Publisher: Nova Publishers
Total Pages: 388
Release: 2007
Genre: Science
ISBN: 9781600211065
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"Smart" materials respond to environmental stimuli with particular changes in some variables. For that reason they are often also called responsive materials. Depending on changes in some external conditions, "smart" materials change either their properties (mechanical, electrical, appearance), their structure or composition, or their functions. Mostly, "smart" materials are embedded in systems whose inherent properties can be favourably changed to meet performance needs. Smart materials and structures have widespread applications in: 1. Materials science: composites, ceramics, processing science, interface science, sensor/actuator materials, chiral materials, conducting and chiral polymers, electrochromic materials, liquid crystals, molecular-level smart materials, biomaterials. 2. Sensing and actuation: electromagnetic, acoustic, chemical and mechanical sensing and actuation, single-measurand sensors, multiplexed multimeasurand distributed sensors and actuators, sensor/actuator signal processing, compatibility of sensors and actuators with conventional and advanced materials, smart sensors for materials and composites processing. 3. Optics and electromagnetics: optical fibre technology, active and adaptive optical systems and components, tuneable high-dielectric phase shifters, tuneable surface control. 4. Structures: smart skins for drag and turbulence control, other applications in aerospace/hydrospace structures, civil infrastructures, transportation vehicles, manufacturing equipment, repairability and maintainability. 5. Control: structural acoustic control, distributed control, analogue and digital feedback control, real-time implementation, adaptive structure stability, damage implications for structural control. 6. Information processing: neural networks, data processing, data visualisation and reliability. This book presents leading research from around the globe in this field.

Endorobotics

Endorobotics
Author: Luigi Manfredi
Publisher: Academic Press
Total Pages: 410
Release: 2022-01-04
Genre: Technology & Engineering
ISBN: 012821760X
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The book comprises three parts. The first part provides the state-of-the-art of robots for endoscopy (endorobots), including devices already available in the market and those that are still at the R&D stage. The second part focusses on the engineering design; it includes the use of polymers for soft robotics, comparing their advantages and limitations with those of their more rigid counterparts. The third part includes the project management of a multidisciplinary team, the health cost of current technology, and how a cost-effective device can have a substantial impact on the market. It also includes information on data governance, ethical and legal frameworks, and all steps needed to make this new technology available. Focuses on a new design paradigm for endorobots applications Provides a unique collection of engineering, medical and management contributions for endorobotics design Describes endorobotics, starting from available devices in both clinical use and academia