All One Needs to Know about Metaverse: A Complete Survey on Technological Singularity, Virtual Ecosystem, and Research Agenda

arXiv (Cornell University), Journal Year: 2021, Volume and Issue: unknown

Published: Jan. 1, 2021

Since the popularisation of Internet in 1990s, cyberspace has kept evolving. We have created various computer-mediated virtual environments including social networks, video conferencing, 3D worlds (e.g., VR Chat), augmented reality applications Pokemon Go), and Non-Fungible Token Games Upland). Such environments, albeit non-perpetual unconnected, bought us degrees digital transformation. The term `metaverse' been coined to further facilitate transformation every aspect our physical lives. At core metaverse stands vision an immersive as a gigantic, unified, persistent, shared realm. While may seem futuristic, catalysed by emerging technologies such Extended Reality, 5G, Artificial Intelligence, `big bang' is not far away. This survey paper presents first effort offer comprehensive framework that examines latest development under dimensions state-of-the-art ecosystems, illustrates possibility bang'. First, are enablers drive transition from current metaverse. thus examine eight enabling rigorously - User Interactivity (Human-Computer Interaction), Blockchain, Computer Vision, IoT Robotics, Edge Cloud computing, Future Mobile Networks. In terms applications, ecosystem allows human users live play within self-sustaining, Therefore, we discuss six user-centric factors -- Avatar, Content Creation, Virtual Economy, Social Acceptability, Security Privacy, Trust Accountability. Finally, propose concrete research agenda for

Language: Английский

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Wearable Sensors‐Enabled Human–Machine Interaction Systems: From Design to Application

Advanced Functional Materials, Journal Year: 2020, Volume and Issue: 31(11)

Published: Dec. 29, 2020

Abstract In comparison to traditional bulky and rigid electronic devices, the human–machine interaction (HMI) system with flexible wearable components is an inevitable future trend. To achieve effective, intuitive, seamless manipulation of high‐performance HMI systems, it important develop effective strategies for designing material microstructures on sensors electric devices excellent mechanical flexibility stretchability. The real‐time acquisition human physiology surrounding signals through accurate basis HMIs. Herein, construction a that utilizes sensors, communication modes, actuators reviewed. mechanisms various based different are analyzed discussed. functional mechanism, selection, novel design each part summarized in detail. modes interactive systems manufacturing technology soft machines also introduced. Additionally, most advanced applications intelligent identification security, controls robots, augmented reality, virtual reality have been highlighted. review concludes overview remaining key challenges several ideas regarding further improvement systems.

Language: Английский

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Triboelectric nanogenerator sensors for soft robotics aiming at digital twin applications

Nature Communications, Journal Year: 2020, Volume and Issue: 11(1)

Published: Oct. 23, 2020

Designing efficient sensors for soft robotics aiming at human machine interaction remains a challenge. Here, we report smart soft-robotic gripper system based on triboelectric nanogenerator to capture the continuous motion and tactile information gripper. With special distributed electrodes, sensor can perceive contact position area of external stimuli. The gear-based length with stretchable strip allows detection elongation via sequential each tooth. sensory collected during operation is further trained by support vector algorithm identify diverse objects an accuracy 98.1%. Demonstration digital twin applications, which show object identification duplicate robotic manipulation in virtual environment according real-time system, successfully created assembly lines unmanned warehouse applications.

Language: Английский

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Recent Progress in Flexible Tactile Sensors for Human‐Interactive Systems: From Sensors to Advanced Applications

Advanced Materials, Journal Year: 2021, Volume and Issue: 33(47)

Published: April 22, 2021

Abstract Flexible tactile sensors capable of measuring mechanical stimuli via physical contact have attracted significant attention in the field human‐interactive systems. The utilization information can complement vision and/or sound interaction and provide new functionalities. Recent advancements micro/nanotechnology, material science, technology resulted development high‐performance that reach even surpass sensing ability human skin. Here, important advances flexible over recent years are summarized, from sensor designs to system‐level applications. This review focuses on representative strategies based design configurations for improving key performance parameters including sensitivity, detection range/linearity, response time/hysteresis, spatial resolution/crosstalk, multidirectional force detection, insensitivity other stimuli. System‐level integration practical applications beyond conceptual prototypes promising applications, such as artificial electronic skin robotics prosthetics, wearable controllers electronics, bidirectional communication tools, also discussed. Finally, perspectives issues regarding further provided.

Language: Английский

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The Triboelectric Nanogenerator as an Innovative Technology toward Intelligent Sports

Advanced Materials, Journal Year: 2021, Volume and Issue: 33(17)

Published: March 24, 2021

Abstract In the new era of Internet‐of‐Things, athletic big data collection and analysis based on widely distributed sensing networks are particularly important in development intelligent sports. Conventional sensors usually require an external power supply, with limitations such as limited lifetime high maintenance cost. As a newly developed mechanical energy harvesting self‐powered technology, triboelectric nanogenerator (TENG) shows great potential to overcome these limitations. Most importantly, TENGs can be fabricated using wood, paper, fibers, polymers, which most frequently used materials for Recent progress field sports is summarized. First, working mechanism TENG its association introduced. Subsequently, TENG‐based systems, including smart facilities wearable equipment highlighted. At last, remaining challenges open opportunities also discussed.

Language: Английский

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Flexible Electronics and Devices as Human–Machine Interfaces for Medical Robotics

Advanced Materials, Journal Year: 2021, Volume and Issue: 34(16)

Published: Dec. 12, 2021

Abstract Medical robots are invaluable players in non‐pharmaceutical treatment of disabilities. Particularly, using prosthetic and rehabilitation devices with human–machine interfaces can greatly improve the quality life for impaired patients. In recent years, flexible electronic soft robotics have attracted tremendous attention this field due to their high biocompatibility, functionality, conformability, low‐cost. Flexible on will make a promising alternative conventional rigid devices, which potentially revolutionize paradigm future direction medical terms feedback user experience. review, fundamental components materials, structures, mechanisms human‐machine summarized by renowned applications five primary areas: physical chemical sensing, physiological recording, information processing communication, robotic actuation, stimulation. This review further concludes discussing outlook current challenges these technologies as interface robotics.

Language: Английский

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A Survey on Wearable Technology: History, State-of-the-Art and Current Challenges

Computer Networks, Journal Year: 2021, Volume and Issue: 193, P. 108074 - 108074

Published: April 8, 2021

Technology is continually undergoing a constituent development caused by the appearance of billions new interconnected "things" and their entrenchment in our daily lives. One underlying versatile technologies, namely wearables, able to capture rich contextual information produced such devices use it deliver legitimately personalized experience. The main aim this paper shed light on history wearable provide state-of-the-art review market. Moreover, provides an extensive diverse classification based various factors, discussion wireless communication architectures, data processing aspects, market status, as well variety other actual technology. Finally, survey highlights critical challenges existing/future solutions.

Language: Английский

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AI enabled sign language recognition and VR space bidirectional communication using triboelectric smart glove

Nature Communications, Journal Year: 2021, Volume and Issue: 12(1)

Published: Sept. 10, 2021

Sign language recognition, especially the sentence is of great significance for lowering communication barrier between hearing/speech impaired and non-signers. The general glove solutions, which are employed to detect motions our dexterous hands, only achieve recognizing discrete single gestures (i.e., numbers, letters, or words) instead sentences, far from satisfying meet signers' daily communication. Here, we propose an artificial intelligence enabled sign recognition system comprising sensing gloves, deep learning block, virtual reality interface. Non-segmentation segmentation assisted model achieves 50 words 20 sentences. Significantly, approach splits entire signals into word units. Then recognizes all elements reversely reconstructs Furthermore, new/never-seen sentences created by new-order recombination can be recognized with average correct rate 86.67%. Finally, results projected space translated text audio, allowing remote bidirectional signers

Language: Английский

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Augmented tactile-perception and haptic-feedback rings as human-machine interfaces aiming for immersive interactions

Nature Communications, Journal Year: 2022, Volume and Issue: 13(1)

Published: Sept. 5, 2022

Abstract Advancements of virtual reality technology pave the way for developing wearable devices to enable somatosensory sensation, which can bring more comprehensive perception and feedback in metaverse-based society. Here, we propose augmented tactile-perception haptic-feedback rings with multimodal sensing capabilities. This highly integrated ring consists triboelectric pyroelectric sensors tactile temperature perception, vibrators nichrome heaters vibro- thermo-haptic feedback. All these components on be directly driven by a custom wireless platform low power consumption wearable/portable scenarios. With voltage integration processing, high-resolution continuous finger motion tracking is achieved via sensor, also contributes superior performance gesture/object recognition artificial intelligence analysis. By fusing functions, an interactive metaverse cross-space capability successfully achieved, giving people face-to-face like immersive social experience.

Language: Английский

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Recent progress of triboelectric nanogenerators: From fundamental theory to practical applications

EcoMat, Journal Year: 2020, Volume and Issue: 2(4)

Published: Oct. 22, 2020

Abstract For the development of internet things (IoTs), big data, and artificial intelligence, widely distributed sensing network is most essential element, which has to be driven by energy storage unit, with a limited lifetime environmental concerns. Given that wide distribution high mobility these numerous sensors, success IoTs sustainable human society call for renewable sources. Since triboelectrification effect ubiquitous universal in our living environment, triboelectric nanogenerator (TENG) mechanical harvesting self‐powered developed Wang co‐workers one best choices this new era. In review, recent progress TENGs from fundamental theory practical applications systematically summarized. First, mechanism contact electrification, first principle theory, working principle, modes, figure merits TENG are introduced. Furthermore, important four major applications, including micro/nano power sources, active large‐scale blue energy, direct high‐voltage sources reviewed. end, some perspectives challenges future also discussed. image

Language: Английский

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