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Three-dimensional surface strain sensor based on PDMS/LIG composite film with adjustable electromechanical performance

Yang, Huiru (author), Huang, Qianming (author), Wang, S. (author), Zong, Qihang (author), Tan, C. (author), Ye, H. (author), Zhang, Kouchi (author)

Flexible strain sensors play a crucial role in health monitoring, smart wearable devices, and human–machine interaction. Three-dimensional surface evaluation methods for strain sensors offer advantages by being closer to actual strain, featuring a larger working range, and being more suitable for multidirectional strain. In this study, a...

journal article 2024

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Influence of pore property and alkalinity on the bio-deposition treatment efficiency of recycled aggregates

Wang, Jianyun (author), Zhang, Rui (author), Hou, Fuxing (author), Ye, G. (author)

Microbial induced calcium carbonate precipitation (MICP) technology has been successfully used to enhance the properties of recycled concrete aggregates. However, the complex source and varied physical and chemical properties of recycled aggregates may have influence on the modification efficiency since microbes are often sensitive to the...

journal article 2024

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Understanding the interaction of nucleotides with UVC light: an insight from quantum chemical calculation-based findings

Tan, C. (author), Wang, S. (author), Yang, Huiru (author), Huang, Qianming (author), Li, Shizhen (author), Liu, X. (author), Ye, H. (author), Zhang, Kouchi (author)

Short-wave ultraviolet (also called UVC) irradiation is a well-adopted method of viral inactivation due to its ability to damage genetic material. A fundamental problem with the UVC inactivation method is that its mechanism of action on viruses is still unknown at the molecular level. To address this problem, herein we investigate the...

journal article 2023

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面 向 城 市 场 景 异 源 多 时 相 点 云 的 自 动 配 准

Yang, Z. (author), Ye, Qin (author), Wang, Xufei (author), Peters, R.Y. (author)

Objective Recent advancements in laser scanners and photogrammetry technology have significantly reduced the cost of acquiring 3D point clouds. Consequently, various types of point clouds have gradually become popular data sources for urban applications. The accurate registration of cross-source and multi^-temporal point clouds must...

journal article 2023

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Reverse Recovery Optimization of Multiepi Superjunction MOSFET Based on Tunable Doping Profile

Liu, Ke (author), Tan, C. (author), Li, Shizhen (author), Yuan, Wucheng (author), Liu, X. (author), Zhang, Kouchi (author), French, P.J. (author), Ye, H. (author), Wang, S. (author)

This paper proposes and simulates research on the reverse recovery characteristics of two novel superjunction (SJ) MOSFETs by adjusting the doping profile. In the manufacturing process of the SJ MOSFET using multilayer epitaxial deposition (MED), the position and concentration of each Boron bubble can be adjusted by designing different doping...

journal article 2023

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Stretchable strain sensor based on HfSe₂/LIG composite with high sensitivity and good linearity within a wide range

Yang, Huiru (author), Wang, S. (author), Huang, Qianming (author), Tan, C. (author), Gao, Chenshan (author), Xu, Siyuan (author), Ye, Huaiyu (author), Zhang, Kouchi (author)

Flexible strain sensors based on nanomaterials have sparked a lot of interest in the field of wearable smart electronics. Laser induced graphene (LIG) based sensors in particular stand out due to their straightforward fabrication procedure, three-dimensional porous structures, and exceptional electromechanical capabilities. Recent studies...

journal article 2023

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Laser-Induced Graphene Formation on Chitosan Derivatives toward Ecofriendly Electronics

Huang, Qian Ming (author), Yang, Huiru (author), Wang, S. (author), Liu, X. (author), Tan, C. (author), Luo, Anxin (author), Xu, Siyuan (author), Zhang, Kouchi (author), Ye, H. (author)

Laser-induced graphene (LIG) has aroused a wide range of research interests ranging from micro-nano energy devices to the Internet of Things (IoT). Nevertheless, the non-degradability of most-used synthetic polymer carbon sources poses a serious threat to the environment. In this work, ecofriendly chitosan-based derivatives, including...

journal article 2023

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Rapid Fabrication of High-Performance Flexible Pressure Sensors Using Laser Pyrolysis Direct Writing

Wang, S. (author), Zong, Qihang (author), Yang, Huiru (author), Tan, C. (author), Huang, Qianming (author), Liu, X. (author), Zhang, Kouchi (author), French, P.J. (author), Ye, H. (author)

The fabrication of flexible pressure sensors with low cost, high scalability, and easy fabrication is an essential driving force in developing flexible electronics, especially for high-performance sensors that require precise surface microstructures. However, optimizing complex fabrication processes and expensive microfabrication methods...

journal article 2023

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Sustainable Assessment Tools for Higher Education Institutions: Developing Two-Hierarchy Tools for China

Du, Yawei Du (author), Ye, Qing (author), Liu, Hongjiang (author), Wu, Yuting (author), Wang, F. (author)

Higher Education Institutions (HEIs) play an increasingly significant role in the practice of sustainability. For HEIs in their early stages of sustainability, they are still in need of sustainable assessment tools (SATs) that are suitable for their local context and also lead international sustainable development. The purpose of this paper is...

journal article 2023

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A non-unit line protection method for MMC-HVDC grids based on the curvatures of backward traveling waves

Xie, F. (author), Hao, Zhiguo (author), Ye, Dongmeng (author), Yang, Songhao (author), Li, Chuanxi (author), Dai, Guoan (author), Zhang, Baohui (author), Wang, Ting (author)

The existing protection techniques for high-voltage direct-current (HVDC) grids suffer from several shortcomings such as high sampling frequency, poor robustness, and reliance on simulation for threshold setting. To solve these problems, this paper proposes a non-unit protection method for modular multilevel converter (MMC)-based HVDC grids...

journal article 2023

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High-Performance Flexible Strain Sensor Fabricated Using Laser Transmission Pyrolysis

Wang, S. (author), Yang, Huiru (author), Zong, Qihang (author), Huang, Qianming (author), Tan, C. (author), Gao, Chenshan (author), Li, Shizhen (author), Ye, H. (author), Zhang, Kouchi (author), French, P.J. (author)

In recent years, metal crack-based stretchable flexible strain sensors have attracted significant attention in wearable device applications due to their extremely high sensitivity. However, the tradeoff between sensitivity and detection range has been an intractable dilemma, severely limiting their practical applications. Herein, we propose a...

journal article 2023

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Electron-Irradiation-Induced Degradation of Transfer Characteristics in Super-Junction VDMOSFET

Jiang, Jing (author), Wang, S. (author), Liu, X. (author), Liu, Jianhui (author), Li, Jun (author), Zhou, Dexiang (author), Zhang, Kouchi (author), Ye, H. (author), Tan, C. (author)

High electric-field stress is an effective solution to the recovery of irradiated devices. In this paper, the dependence of the recovery level on the magnitude of gate voltage and duration is investigated. Compared with the scheme of high gate-bias voltage with a short stress time, the transfer characteristics are significantly recovered by...

journal article 2022

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Warranty Reserve Management: Demand Learning and Funds Pooling

Wang, Xiao Lin (author), Zhong, Yuanguang (author), Li, L. (author), Xie, Wei (author), Ye, Zhi Sheng (author)

Problem definition: Warranty reserves are funds used to fulfill future warranty obligations for a product. In this paper, we investigate the warranty reserve planning problem faced by a manufacturing firm who manages warranties for multiple products. Academic/practical relevance: It is nontrivial to determine a proper amount of reserves to...

journal article 2022

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Compound flood impact of water level and rainfall during tropical cyclone periods in a coastal city: the case of Shanghai

Xu, H. (author), Tian, Zhan (author), Sun, Laixiang (author), Ye, Qinghua (author), Ragno, E. (author), Bricker, J.D. (author), Tan, Jinkai (author), Ke, Q. (author), Wang, Shuai (author)

Compound flooding is generated when two or more flood drivers occur simultaneously or in close succession. Multiple drivers can amplify each other and lead to greater impacts than when they occur in isolation. A better understanding of the interdependence between flood drivers would facilitate a more accurate assessment of compound flood risk...

journal article 2022

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Efficient semiparametric estimation of time-censored intensity-reduction models for repairable systems

Wang, Jinyang (author), Chen, P. (author), Ye, Zhisheng (author)

The rate reduction models have been widely used to model the recurrent failure data for their capabilities in quantifying the repair effects. Despite the widespread popularity, there have been limited studies on statistical inference of most failure rate reduction models. In view of this fact, this study proposes a semiparametric estimation...

journal article 2022

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Hydrogenated Boron Phosphide THz-Metamaterial-Based Biosensor for Diagnosing COVID-19: A DFT Coupled FEM Study

Tan, C. (author), Wang, S. (author), Yang, Huiru (author), Huang, Qianming (author), Li, Shizhen (author), Liu, X. (author), Ye, H. (author), Zhang, Kouchi (author)

Recent reports focus on the hydrogenation engineering of monolayer boron phosphide and simultaneously explore its promising applications in nanoelectronics. Coupling density functional theory and finite element method, we investigate the bowtie triangle ring microstructure composed of boron phosphide with hydrogenation based on structural and...

journal article 2022

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Cancer Diagnosis Using Terahertz-Graphene-Metasurface-Based Biosensor with Dual-Resonance Response: Nanomaterials

Tan, C. (author), Wang, S. (author), Li, Shizhen (author), Liu, X. (author), Wei, Jia (author), Zhang, Kouchi (author), Ye, H. (author)

Owing to the outstanding physical properties of graphene, its biosensing applications implemented by the terahertz metasurface are widely concerned and studied. Here, we present a novel design of the graphene metasurface, which consists of an individual graphene ring and an H-shaped graphene structure. The graphene metasurface exhibits a dual...

journal article 2022

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A theoretical study of atmospheric pollutant NO₂ on as-doped monolayer WS₂ based on DFT method

Hou, Shuhan (author), Wang, Zhaokun (author), Yang, Huiru (author), Jiang, Jing (author), Gao, Chenshan (author), Liu, Yufei (author), Tang, Xiaosheng (author), Ye, H. (author)

For the relevant properties of pristine and doped (Si, P, Se, Te, As) monolayer WS₂ before and after the adsorption of CO, CO₂, N₂, NO, NO₂ and O₂, density functional theory (DFT) calculations are made. Calculation results reveal that the monolayer WS₂ doped with P and As atoms...

journal article 2022

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Short-circuit characteristics of superconducting permanent magnet generators for 10 MW wind turbines

Liu, Dong (author), Song, Xiaowei (author), Wang, X. (author), Elhindi, Mohamed (author), Hasanov, Urfan (author), Gou, Xiaofan (author), Ye, Changqing (author)

Superconducting permanent magnet generators (SCPMGs) are a potential candidate for 10 MW direct-drive wind turbine applications. This paper presents two 10 MW SCPMG designs using MgB<sub>2</sub> cables for the armature winding and investigates the short-circuit characteristics of the designed SCPMGs. The first part...

journal article 2021

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Is the tropical cyclone surge in Shanghai more sensitive to landfall location or intensity change?

Wang, Shuai (author), Toumi, Ralf (author), Ye, Qinghua (author), Ke, Q. (author), Bricker, J.D. (author), Tian, Zhan (author), Sun, Laixiang (author)

It has been shown that the proportion of intense tropical cyclones (TCs) has been increasing together with a poleward migration of TC track. However, their relative importance to TC surge at landfall remains unknown. Here we examine the sensitivity of TC surge in Shanghai to landfall location and intensity with a new dynamical modelling...

journal article 2021