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Harty, Julian (author), Zhang, Haonan (author), Wei, Lili (author), Pascarella, L. (author), Aniche, Maurício (author), Shang, Weiyi (author)Software logs are of great value in both industrial and open-source projects. Mobile analytics logging enables developers to collect logs remotely from their apps running on end user devices at the cost of recording and transmitting logs across the Internet to a centralised infrastructure.This paper makes a first step in characterising...conference paper 2021
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Middelburg, L.M. (author), el Mansouri, B. (author), Poelma, René H. (author), van Zeijl, H.W. (author), Wei, J. (author), Zhang, Kouchi (author), van Driel, W.D. (author)The mechanical part of inertial sensors can be designed to have a large mechanical sensitivity, but also requires the transduction mechanism which translates this displacement. The overall system resolution in mechanical inertial sensors is dictated by the noise contribution of each stage and the magnitude of each sensitivity, see also Figure...conference paper 2018
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Lu, Zhiwei (author), Li, Xiaoling (author), Wei, Jinxiu (author), Cai, Miao (author), Yang, Daoguo (author), Zhang, Kouchi (author)UVC-LED is known as a deep ultraviolet LED. The application development and disinfection efficiency of UVC-LED modules are important problems encountered when UVC-LED products are rushed into commercialization. In this article, a specific disinfection experiment with a UVC-LED module was combined to analyze the disinfection efficiency. UVC-LEDs...conference paper 2022
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Middelburg, L.M. (author), el Mansouri, B. (author), Poelma, René H. (author), Zhang, Kouchi (author), van Zeijl, H.W. (author), Wei, J. (author)This work describes the design, modelling and realisation of the mechanical part of a non-linear MEMS accelerometer intended for large displacement behaviour. For this, a mass/spring system was designed with an extremely low resonance frequency. In this work the mechanical behaviour was verified by measurements done using an optical setup,...conference paper 2018
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Xu, Man (author), Wei, S. (author), Zlatanova, S. (author), Zhang, Ruiju (author)At present, 87 % of people's activities are in indoor environment; indoor navigation has become a research issue. As the building structures for people's daily life are more and more complex, many obstacles influence humans' moving. Therefore it is essential to provide an accurate and efficient indoor path planning. Nowadays there are many...conference paper 2017
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Zhang, B. (author), Wei, J. (author), Bottger, A.J. (author), van Zeijl, H.W. (author), Sarro, Pasqualina M (author), Zhang, Kouchi (author)We report the design, fabrication and experimental investigation of a MEMS micro-hotplate (MHP) for fast time-resolved X-ray diffraction (TRXRD) study of Cu nanoparticle paste (nanoCu paste) sintering process. The device and its system are designed to have a 60 ms minimum time interval, uniform temperature distribution and variant gas...conference paper 2019
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Wei, J. (author), Ye, H. (author), Van Zeijl, H.W. (author), Sarro, P.M. (author), Zhang, G.Q. (author)A micro-electro-mechanical-system (MEMS) based, temperature triggered, switch is developed as a cost-effective solution for smart cooling control of solid-state-lighting systems. The switch (1.0x0.4 mm2) is embedded in a silicon substrate and fabricated with a single-mask 3D micro-machining process. The device switches on at a designed...journal article 2012
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Wang, F. (author), Zhang, Lu (author), Wei, L. (author), van der Hoek, J.P. (author)During drinking water treatment, advanced oxidation process (AOP) with O3 and H2O2 may result in by-products, residual H2O2 and BrO3−. The water containing H2O2 and BrO3− often flows into subsequent granular activated carbon (GAC) filters. A concentrated H2O2 solution can be used as GAC modification reagent at 60 °C to improve its adsorption...journal article 2021
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Chen, Shiyang (author), van de Ven, F.H.M. (author), Zevenbergen, C. (author), Verbeeck, Simon (author), Ye, Qinghua (author), Zhang, Weijun (author), Wei, Liang (author)Integrating sustainable urban water management into the urban planning process is essential for developing water-resilient cities. To this end, the central government of the People’s Republic of China initiated the “Sponge City” programme. However, challenges and gaps exist in current urban planning practice. The operationalizable planning...journal article 2021
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Hong, H. (author), Wei, Jiangtao (author), Lei, Xin (author), Chen, Haiyun (author), Sarro, Pasqualina M (author), Zhang, Kouchi (author), Liu, Zewen (author)Correction to: Microsystems & Nanoengineering published online 16 May 2023 Correction Following publication of the original article<sup>1</sup>, it was noticed that the phrase ‘DNA sequencing’ is incorrect, which should be replaced by ‘biosensing’. The original paper has been updated.journal article 2023
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el Mansouri, B. (author), Middelburg, L.M. (author), Poelma, René H. (author), Zhang, Kouchi (author), van Zeijl, H.W. (author), Wei, J. (author), Jiang, H. (author), Vogel, J.G. (author), van Driel, W.D. (author)Commercially available gravimeters and seismometers can be used for measuring Earth’s acceleration at resolution levels in the order of ng∕Hz (where g represents earth’s gravity) but they are typically high-cost and bulky. In this work the design of a bulk micromachined MEMS device exploiting non-linear buckling behaviour is described, aiming...journal article 2019
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Dai, Hanqing (author), Xu, Wenqian (author), Hu, Zhe (author), Chen, Yuanyuan (author), Gu, Jing (author), Xie, Fengxian (author), Wei, Wei (author), Guo, Ruiqian (author), Zhang, Kouchi (author)NaTi2(PO4)3 (NTP), a well-known anode material, could be used as a solid wide-band gap electrolyte. Herein, a novel solid-state sodium-ion battery (SSIB) with the thickness of electrolyte up to the millimeter level is proposed. The results of the difference in charge density investigated by the first-principles calculations imply that using...journal article 2021
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Dai, Hanqing (author), Xu, Wenqian (author), Hu, Zhe (author), Gu, Jing (author), Chen, Yuanyuan (author), Guo, Ruiqian (author), Zhang, Kouchi (author), Wei, Wei (author)Previously, α-Fe2O3 nanocrystals are recognized as anode materials owing to their high capacity and multiple properties. Now, this work provides high-voltage α-Fe2O3 nanoceramics cathodes fabricated by the solvothermal and calcination processes for sodium-ion batteries (SIBs). Then, their structure and electrical conductivity were...journal article 2021
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Xin, Jianbin (author), Wei, Liuqian (author), D'Ariano, Andrea (author), Zhang, Fangfang (author), Negenborn, R.R. (author)Operations of Automated Guided Vehicles (AGVs) are desired to be more energy-efficient while maintaining high transport productivity, motivated by the green production requirements. This paper investigates a new energy-efficient planning problem for determining conflict-free paths of the AGVs in its transport roadmap. In this problem, the...journal article 2023
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Sheng, Yue (author), Jin, Sheng (author), Comeau, M.J. (author), Hou, Zengqian (author), Zhang, Letian (author), Wei, Wenbo (author), Ye, Gaofeng (author)The Dinggye region, in the central part of the Himalayan orogenic belt, includes the southern part of the Xainza-Dinggye rift and the Mabja Gneiss Dome with leucogranite cores. Previous studies of gneiss domes in this region report the existence of channel flow processes or tectonic exhumation, in addition to partial melting of orogenic mid...journal article 2023
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Zhang, Zhenya (author), Mao, Jia (author), Wei, Houyu (author), Cheng, Chuanxiao (author), Liu, Zhengxuan (author)Proton exchange membrane fuel cells offer promising clean energy solutions for various applications. However, their performance relies heavily on the properties of the microporous layer, which plays a crucial role in transporting and distributing the components in the fuel cell. To date, the potential for optimising the microporous layer...journal article 2024
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Kang, Xuanwu (author), Sun, Y. (author), Zheng, Yingkui (author), Wei, Ke (author), Wu, Hao (author), Zhao, Yuanyuan (author), Liu, Xinyu (author), Zhang, Kouchi (author)In this brief, a high-performance quasi-vertical GaN Schottky barrier diode (SBD) on sapphire substrate with post-mesa nitridation process is reported, featuring a low damaged sidewall with extremely low leakage current. The fabricated SBD with a drift layer of 1 μm has achieved a very high ON/OFF current ratio (Iscriptscriptstyle ON...journal article 2021
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Chen, Yuanyuan (author), Dai, Hanqing (author), Yan, Yukun (author), Piao, Zhiyan (author), Lu, Hanxu (author), Hu, Zhe (author), Wei, Wei (author), Zhang, Kouchi (author), Zhang, Wanlu (author), Guo, Ruiqian (author)In recent years, various functional fabrics capable of responding to multistimuli have been widely recognized as promising wearable devices. However, the obtained composite functional fabrics have only been applied in a few scenarios, rendering the achievement of multifunctional wearable application scenarios a difficult goal. Therefore,...journal article 2023
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Zhou, Qiangqiang (author), Dai, Hanqing (author), Yan, Yukun (author), Qin, Zhiming (author), Zhou, Mengqi (author), Zhang, Wanlu (author), Zhang, Kouchi (author), Guo, Ruiqian (author), Wei, X. (author)The primary challenges posed by oral mucosal diseases are their high incidence and the difficulty in managing symptoms. Inspired by the ability of bioelectricity to activate cells, accelerate metabolism, and enhance immunity, a conductive polyacrylamide/sodium alginate crosslinked hydrogel composite containing reduced graphene oxide (PAA-SA...journal article 2024
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Lei, Xin (author), Zhang, Jiayan (author), Hong, H. (author), Wei, Jiangtao (author), Liu, Zewen (author), Jiang, Lei (author)Solid-state nanopores attract widespread interest, owning to outstanding robustness, extensive material availability, as well as capability for flexible manufacturing. Bioinspired solid-state nanopores further emerge as potential nanofluidic diodes for mimicking the rectification progress of unidirectional ionic transport in biological K<sup>...journal article 2023