A5071784919- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
- Tactile and Sensory Interactions
- Interactive and Immersive Displays
- Non-Invasive Vital Sign Monitoring
- Polydiacetylene-based materials and applications
- Gas Sensing Nanomaterials and Sensors
- Data Quality and Management
- Traffic control and management
- Modular Robots and Swarm Intelligence
- Perovskite Materials and Applications
- Infection Control and Ventilation
- Vehicular Ad Hoc Networks (VANETs)
- Organic Light-Emitting Diodes Research
- Music Technology and Sound Studies
- Advanced Graph Neural Networks
- Supercapacitor Materials and Fabrication
- Opportunistic and Delay-Tolerant Networks
- Market Dynamics and Volatility
- Advanced battery technologies research
- Elevator Systems and Control
- Advanced Battery Technologies Research
- Complex Network Analysis Techniques
- Mobile Ad Hoc Networks
- Advanced Fiber Optic Sensors
Tsinghua University
2021-2024
Tsinghua–Berkeley Shenzhen Institute
2021-2024
University of Bristol
2024
University of Macau
2023
Electronic textiles (e-textiles), having the capability of interacting with human body and surroundings, are changing our everyday life in fundamental meaningful ways. Yet, expansion field e-textiles is still limited by lack stable biocompatible power sources aesthetic designs. Here, we report a rechargeable solid-state Zn/MnO2 fiber battery cyclic performance exceeding 500 hours while maintaining 98.0% capacity after more than 1000 charging/recharging cycles. The mechanism high electrical...
Continuously and accurately monitoring pulse-wave signals is critical to prevent diagnose cardiovascular diseases. However, existing wearable pulse sensors are vulnerable motion artifacts due the lack of proper adhesion conformal interface with human skin during body movement. Here, a highly sensitive pressure sensor inspired by kirigami structure developed measure wave on different artery sites under various prestressing conditions even COMSOL multiphysical field coupling simulation...
Abstract Vibration sensors are involved extensively in a variety of applications. Especially the era Internet Things, developing self‐powered vibration has become very meaningful yet challenging problem. This study investigates highly sensitive sensor based on triboelectric nanogenerator (VS‐TENG) for machinery condition monitoring. By introducing stacked structure comprising foamed aluminum, and fluorinated ethylene propylene film with gold‐plated electrode protected by two indium tin oxid...
Abstract Abnormal vibration is a direct response to the mechanical defects of electrical equipment, and requires reliable sensing for health condition evaluation in associated system. The triboelectric nanogenerator (TENG) triggered by random generate energy/signal while giving feedback on state, paving promising way towards self‐powered sensors. Here, an all‐in‐one system configured with sensor demonstrates instantaneous discharge boosted TENG IR wireless communication state online...
A self-powered and self-modulated infrared wireless communications system is developed via integrating a triboelectric nanogenerator mechanical modulation protocols.
Noncontact human–machine interactions (HMIs) provide a hygienic and intelligent approach to communicate between humans machines. However, current noncontact HMIs are generally hampered by the interaction distance, they lack adaptability environmental interference such as high humidity conditions. Here, we explore self-powered electret-based sensor (ENS) with moisture-resisting ability ultrawide sensing range exceeding 2.5 m. A megascopic air-bubble structure is designed enhance...
Respiration and body temperature are largely influenced by the highly contagious influenza virus, which poses persistent global public health challenges. Here, we present a wireless all-in-one sensory face mask (WISE mask) made of ultrasensitive fibrous sensors. The WISE shows exceptional thermosensitivity, excellent breathability, wearing comfort. It offers sensitive monitoring respiratory detection capabilities. Capitalizing on advances in Internet Things artificial intelligence, is...
A novel self-powered persistent TIEL material (SP-PTM) is proposed for the first time, which may present great opportunities development of high-performance mechanical-light energy-conversion systems with recording capability and versatile responsivity.
Magnetic actuation system manipulates micro soft or rigid robots by a controllable magnetic field to move them freely in the narrow enclosed space, which has demonstrated its huge potential medical interventional surgery and drug delivery. However, limited working space of paired area-centered electromagnets restricts practical applications. In this paper, we propose convenient coils drive scheme for scalable electromagnet array, present an efficient planar with spacious workspace. During...
As one technique for autonomous driving, vehicular networks can achieve high efficiency with vehicle-and-infrastructure cooperation, bringing safety and many value-added services. To higher communication efficiency, much effort has been done to cope the resource allocation issues networks. Nevertheless, due strong nonconvexity nonlinearity, classical joint problem in is typically NP-hard. The multiagent reinforcement learning (MARL) emerged as a promising solution tackle this challenge but...
In urban Vehicular Ad hoc Networks (VANETs), high mobility of vehicular environment and frequently changed network topology call for a low delay end-to-end routing algorithm. this paper, we propose Multi-Agent Reinforcement Learning (MARL) based decentralized scheme, where the inherent similarity between problem in VANET MARL is exploited. The proposed scheme models interaction vehicles as multi-agent which each vehicle autonomously establishes communication channel with neighbor device...
Electronic skin with tactile perception enables intelligent robots and prostheses to perform dexterous manipulation natural interaction the human surroundings. However, using single sensing mechanism simultaneously percept geometry features materials properties remains a challenge due bottleneck of signal decoupling. Herein, we report MTSensing system – wireless fully-integrated that can recognize textures based on flexible triboelectric sensor. The proposed sensor converts touch into...
Surface vibration tactile feedback is capable of conveying various semantic information to humans via the handheld electronic devices, like smartphone, touch panel,and game controller. However, covering whole device contacting surface with dense actuator arrangement can affect its normal use, how produce desired patterns at any contact point only several sparse actuators deployed on handled remains a significant challenge. In this work, we develop board five in size and achieve precise...
Using London Stock Exchange data (Jan 10, 2021, to Feb 24, 2022) and fixed-effects regression methods, this study assesses COVID-19 vaccine effects on UK stock returns. Initial protocol doses have a strong positive impact returns, while boosters modest impact. A logarithmic unit increase in daily links 0.085p.p. return increase. Stringent closure policies weaken the influence Sector-wise, healthcare responds most positively, basic resources food/beverage industries show but muted effect....
Vibration Sensors In article number 2201132, Jiyu Wang, Wenbo Ding, and co-workers design a highly sensitive self-powered vibration sensor based on the triboelectric nanogenerator (VS-TENG) for machinery condition monitoring. The VS-TENG can detect vibrations with frequencies ranging from 1 to 2000 Hz of low amplitude (≈sub-μm). It has been successfully used monitor operating conditions mechanical gear systems, reaching recognition accuracy 99.78%.
Pressure Sensors In article number 2202478, Jun Yang, Chen, and co-workers report a kirigami-inspired pressure sensor for wearable dynamic cardiovascular monitoring. Utilizing the vertical structure simple fabrication process, provides an ascendant way to overcome motion artifacts when monitoring human pulse signals, thus representing solid advancement toward personalized in era of Internet things.
Floor-based sensing systems to monitor human activities and identify users are essential for smart homes intelligent buildings. A low-cost, easy-to-fabricate, flexible gait sensor system based on triboelectric nanogenerator (TENG) is presented in this paper, which can transform movements, even the low-frequency form, into electrical impulses without an external power source. To realize this, a TENG-based unit with optimized structure design proposed enhance sensitivity. insole module formed...
The professional contacts of a person, including their past colleagues and supervisors, can play an important role in job recommendation intelligent human resources management. However, collecting such information on large scale be challenging costly. In this paper, we propose CareerMiner, system to automatically construct dynamic network capture people's colleague supervisor relationships based inter-related work experiences collection Chinese resumes. Specifically, extract fine-grained...