Dielectric Elastomer Actuator for Soft Robotics Applications and Challenges

Applied Sciences, Год журнала: 2020, Номер 10(2), С. 640 - 640

Опубликована: Янв. 16, 2020

This paper reviews state-of-the-art dielectric elastomer actuators (DEAs) and their future perspectives as soft which have recently been considered a key power generation component for robots. begins with the introduction of working principle actuators. Because operation DEA includes physics both mechanical viscoelastic properties characteristics, we describe theoretical modeling methods before introducing applications. In addition, design artificial muscles based on is also introduced. four popular subjects application DEA: robot hand, locomotion robots, wearable devices, tunable optical components. Other potential applications challenging issues are described in conclusion.

Язык: Английский

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Soft Robotic Suits: State of the Art, Core Technologies, and Open Challenges

IEEE Transactions on Robotics, Год журнала: 2021, Номер 38(3), С. 1343 - 1362

Опубликована: Июнь 18, 2021

Wearable robots are undergoing a disruptive transition, from the rigid machines that populated science-fiction world in early 1980s to lightweight robotic apparel, hardly distinguishable our daily clothes. In less than decade of development, soft suits have achieved important results human motor assistance and augmentation. this article, we start by giving definition proposing taxonomy classify existing systems. We then critically review modes actuation, physical human–robot interface intention-detection strategies state-of-the-art suits, highlighting advantages limitations different approaches. Finally, discuss impact new technology on movements, for both augmenting function supporting impairments, identify areas need further development.

Язык: Английский

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Shape Memory Alloy (SMA) Actuators: The Role of Material, Form, and Scaling Effects

Advanced Materials, Год журнала: 2023, Номер 35(33)

Опубликована: Апрель 19, 2023

Shape memory alloys (SMAs) are smart materials that widely used to create intelligent devices because of their high energy density, actuation strain, and biocompatibility characteristics. Given unique properties, SMAs found have significant potential for implementation in many emerging applications mobile robots, robotic hands, wearable devices, aerospace/automotive components, biomedical devices. Here, the state-of-the-art thermal magnetic SMA actuators terms constituent materials, form, scaling effects summarized, including surface treatments functionalities. The motion performance various architectures (wires, springs, soft composites, knitted/woven actuators) is also analyzed. Based on assessment, current challenges need be addressed practical application emphasized. Finally, how advance by synergistically considering material, scale suggested.

Язык: Английский

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Soft, Wearable Robotics and Haptics: Technologies, Trends, and Emerging Applications

Proceedings of the IEEE, Год журнала: 2022, Номер 110(2), С. 246 - 272

Опубликована: Янв. 19, 2022

Recent advances in the rapidly growing field of soft robotics highlight potential for innovations wearable to meet challenges and opportunities affecting individuals, society, economy. Some most promising application areas include haptic interfaces, assistive robotics, biomedical devices. Several attributes robotic systems make them well-suited use human-wearable applications. Such can be designed accommodate complex morphology movements human body, afford sufficient compliance ensure safe operation intimate proximity with humans, provide context-appropriate feedback or assistance their wearers. Many have been resemble garments wearables that are already widely used today. could one day become seamlessly integrated into a myriad activities environments. Here, we review emerging technologies systems, including numerous examples from prior research. We discuss important considerations design such based on functional concerns, wearability, ergonomics. describe an array strategies adopted applications diverse domains, survey sensing actuation technologies, materials, fabrication methods. conclude by discussing frontiers, challenges, future prospects soft, robotics.

Язык: Английский

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Upper limb soft robotic wearable devices: a systematic review

Journal of NeuroEngineering and Rehabilitation, Год журнала: 2022, Номер 19(1)

Опубликована: Авг. 10, 2022

Soft robotic wearable devices, referred to as exosuits, can be a valid alternative rigid exoskeletons when it comes daily upper limb support. Indeed, their inherent flexibility improves comfort, usability, and portability while not constraining the user's natural degrees of freedom. This review is meant guide reader in understanding current approaches across all design production steps that might exploited developing an exosuit.

Язык: Английский

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A Review of Recent Advances in Electrically Driven Polymer‐Based Flexible Actuators: Smart Materials, Structures, and Their Applications

Advanced Materials Technologies, Год журнала: 2022, Номер 7(11)

Опубликована: Июнь 19, 2022

Abstract Polymer‐based flexible actuators have recently attracted significant attention owing to their great potentials in soft robotics, wearables, haptics, and medical devices. In particular, electrically driven polymer‐based are considered as some of the most practical because they can be by a simple electrical power source. Over past decade, research on has greatly progressed, leading development various functional materials bioinspired structures. This article comprehensively reviews recent advances compares actuation performance based working principles, materials, Several strategies, including combining smart composite structures, which proposed overcome drawbacks actuators, also discussed. Finally, potential applications robotics summarized an outlook is presented.

Язык: Английский

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Journey of smart material from composite to shape memory alloy (SMA), characterization and their applications-A review

Smart Materials in Medicine, Год журнала: 2022, Номер 4, С. 227 - 242

Опубликована: Окт. 21, 2022

This review paper deals with the advancements of composites to shape memory alloys. The journey smart materials from conventional advance alloys and their application is described in this literature. Classification such as composites, alloys, polymer composite various other types that are intelligent explained briefly. Different manufacturing developing techniques manufacture characterization compared modern day Shape effect one way two-way depicted. However, most important all applications extensive use health care sector for implants uses aerospace automotive industries reviewed.

Язык: Английский

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Shape memory alloys actuated upper limb devices: A review

Sensors and Actuators Reports, Год журнала: 2023, Номер 5, С. 100160 - 100160

Опубликована: Май 17, 2023

Recently, significant efforts have been made to develop prostheses, soft rehabilitation, and assistive devices that enhance the quality of life limb amputees activities daily living (ADL) stroke patients. Therefore, this present study provides a general overview current prosthetic, assistive, rehabilitative with focus on actuators provide actuation via shape-memory alloys (SMA). Shape-memory alloy (SMA)-based are subject considerable research as they possess high force-to-weight ratio, quiet operation, muscular mobility, bio-compatibility, accessible design options, all which can potentially be used inventive actuating systems. Several studies examined use SMA-actuated in medical engineering industry. They also, more recently, robotic This review primarily focuses characterization, number, type actuator, degrees freedom (DOF), weight, cooling technique, control strategies, applications well advantages disadvantages plate, spring, wire-based SMA actuators. Composite-based upper were also reviewed compared terms matrix, reinforcing materials, configuration actuator dimensions, manufacturing method their disadvantages. The findings indicate that, last few years, developing novel intelligent materials improve hand flexibility. promising future development designs for hand-robots. may robustness accuracy functions ADL effective rehabilitation.

Язык: Английский

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Bioinspired electronics for intelligent soft robots

Nature Reviews Electrical Engineering, Год журнала: 2024, Номер 1(9), С. 597 - 613

Опубликована: Авг. 5, 2024

Язык: Английский

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Wrist Assisting Soft Wearable Robot With Stretchable Coolant Vessel Integrated SMA Muscle

IEEE/ASME Transactions on Mechatronics, Год журнала: 2021, Номер 27(2), С. 1046 - 1058

Опубликована: Май 10, 2021

This article proposes a shape memory alloy (SMA)-based artificial muscle that has an active cooling system. An SMA coil spring is embedded into stretchable coolant vessel, which allows of through circulation. The effect been investigated by measuring actuation speed. Integrating thermomechanical model and heat transfer between SMA, times have estimated. Based on these results, performances use four different coolants found out, the mineral oil case shows both contraction extension less than 1 s to contract over 35% its initial length with kg load. A soft wearable robot for assisting wrist motion designed integrating multiple muscles glove, wristband, elbow anchor. Thanks advantages actuator, proposed compliant weight-balanced structure. ranges 38°, 50°, 34°, 35°, flexion, extension, radial deviation, ulnar respectively. In addition, improved cyclic performance compared natural air-cooling Finally, torque assistance theamount time needed wear it analyzed user tests.

Язык: Английский

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