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Liu, Shurui (author), Lu, T. (author), Tang, Z. (author), Chen, Zhiyuan (author), Jiang, Junmin (author), Zhao, Bo (author), Du, S. (author)In this article, we propose a reconfigurable regulating rectifier with a wide operational range for wireless power transfer. The proposed three-mode rectifier achieves a broad range voltage regulation without global loop control to minimize the chip area occupation. Compared with previous work, more working modes and greater voltage gain...journal article 2023
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Yang, Y. (author), Jia, Bin (author), Yan, Xiao Yong (author), Chen, Y. (author), Tavasszy, Lorant (author), de Bok, M.A. (author), Bai, Zhuotong (author), Liu, Erjian (author), Gao, Ziyou (author)Knowledge of the core structure and inherent dynamics of urban freight transport systems is important for the development of policies, aimed at improving the livability and sustainability of cities. The past decade has witnessed a great deal of efforts into analyzing the geographic structure of urban freight transport systems. However, in...journal article 2023
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Tong, Liang-yu (author), Xiong, Qing Xiang (author), Zhang, Zhidong (author), Chen, Xiangsheng (author), Ye, G. (author), Liu, Qing feng (author)This paper develops a novel lattice diffusive model to quantitatively study the chloride diffusion coefficient in unsaturated cementitious materials, in which the pore voxels are redistributed to make a better representation of a real microstructure of hardened cement paste. Considering the hierarchical microstructure and different drying...journal article 2023
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Li, Zejiao (author), Wang, Jixiang (author), Liu, Jialin (author), Chen, Xingyu (author), Lei, Zhongfang (author), Yuan, Tian (author), Lee, Duu Jong (author), Lin, Y. (author), van Loosdrecht, Mark C.M. (author)Reducing CO<sub>2</sub> emission and energy consumption is crucial for the sustainable management of wastewater treatment plants (WWTPs). In this study, an algal-bacterial aerobic granular sludge (AGS) system was developed for efficient carbon (C) assimilation and nitrogen (N)/phosphorus (P) removal without the need for mechanical aeration....journal article 2023
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Yao, Liaojun (author), Chuai, Mingyue (author), Liu, J. (author), Guo, Licheng (author), Chen, Xiangming (author), Alderliesten, R.C. (author), Beyens, M. (author)This study provides an investigation on mode I fatigue delamination growth (FDG) with fibre bridging at different R-ratios and temperatures in carbon-fibre reinforced polymer composites. FDG experiments were first conducted at different temperatures of R-ratios 0.1 and 0.5 via unidirectional double cantilever beam (DCB) specimens. A fatigue...journal article 2023
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Liu, C. (author), Liang, X. (author), Chen, Y. (author), Li, Z. (author), Ye, G. (author)In this study, the impacts of tap water immersion on the pore solution, phase assemblages, gel chemistry and structure, and pore structure of alkali-activated slag (AAS) pastes were studied. AAS degrades under such condition and the potential mechanisms can be concluded as lower reaction rates, gel decomposition and carbonation. The leaching...journal article 2023
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Wen, Shilin (author), Han, Rui (author), Liu, Chi Harold (author), Chen, Lydia Y. (author)Edge-cloud applications are rapidly prevailing in recent years and pose the challenge of using both resource-strenuous edge devices and elastic cloud resources under dynamic workloads. Efficient resource allocation on edge-cloud jobs via cluster schedulers (e.g. Kubernetes/Volcano scheduler) is essential to guarantee their performance, e.g....journal article 2023
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Bai, Wei (author), Xu, X. (author), Liu, Yaolan (author), Liang, Yunxiao (author), Shen, Yijie (author), Han, Zhenyu (author), Sheng, Zhendong (author), Chen, Rong (author), Zhu, Minhao (author)Systematic experimental investigations were conducted to study the microstructures and impact toughness of each heat affected zone (HAZ) formed during rail flash-butt welding. A high-strength carbide-free bainitic rail steel was subjected to different thermal simulation cycles to separately reproduce each HAZ subzone by tailoring the peak...journal article 2023
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Bai, Mingqi (author), Qi, Meng (author), Shu, Chi Min (author), Reniers, G.L.L.M.E. (author), Khan, Faisal (author), Chen, Chao (author), Liu, Yi (author)As an important consideration in the chemical industry, chemical process safety has received notable attention in China. However, catastrophic chemical accidents still occur. To better understand why accidents continue to occur, this paper presented a diagnostic analysis of 14 major chemical accidents in China from 2012 to 2022 based on...journal article 2023
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Lu, T. (author), Liang, X. (author), Liu, C. (author), Chen, Y. (author), Li, Z. (author)This study experimentally investigated the effects of surfactants and water-repelling agents on the hydration process, relative humidity, and mechanical properties of Portland cement pastes. Based on the measurement results, the degree of hydration, degree of saturation, capillary tension of autogenous shrinkage, and magnitude of autogenous...journal article 2023
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Wang, Xinyue (author), Yang, Zhoudong (author), Wang, Boya (author), Chen, Wei (author), Zhang, Kouchi (author), Zhang, Jing (author), Fan, J. (author), Liu, P. (author)Power modules applied in offshore applications are facing risks of corrosion failures on die-attach materials due to high humidity and H<sub>2</sub>S exposure. To investigate such corrosion behavior for sintered die-attach materials, we conducted a study with four groups of samples fabricated using copper and silver metal particles under...journal article 2023
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Luopan, Yaxin (author), Han, Rui (author), Zhang, Qinglong (author), Liu, Chi Harold (author), Wang, Guoren (author), Chen, Lydia Y. (author)Deep Neural Networks (DNNs) have been ubiquitously adopted in internet of things and are becoming an integral of our daily life. When tackling the evolving learning tasks in real world, such as classifying different types of objects, DNNs face the challenge to continually retrain themselves according to the tasks on different edge devices....conference paper 2023
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Chen, Haixue (author), Wang, Xinyue (author), Zeng, Zejun (author), Zhang, Kouchi (author), Zhang, Jing (author), Liu, Pan (author)With the development of electronic technology towards high power, miniaturization, and system integration, power electronic packaging is facing increasing challenges, especially for die attachment. This research aims to explore silver-coated copper (Cu@Ag) paste with sufficient mechanical properties and high-temperature reliability, as an...journal article 2023
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Chen, Qinyu (author), Chang, Yaoxing (author), Kim, Kwantae (author), Gao, C. (author), Liu, Shih Chii (author)Keyword spotting (KWS) is an important task on edge low-power audio devices. A typical edge KWS system consists of a front-end feature extractor which outputs mel-scale frequency cepstral coefficients (MFCC) features followed by a back-end neural network classifier. KWS edge designs aim for the best power-performance-area metrics. This work...conference paper 2023
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Shi, Baocun (author), Liu, Quan (author), Gao, Y. (author), Wu, Jiantao (author), Chen, Jingya (author)The occurrence of cohesive/adhesive hybrid failure at the bitumen-aggregate interface is widely acknowledged, however, the quantitative evaluation of the cohesion/adhesion proportion is relatively weak. This study explored cohesive/adhesive hybrid failure and provided a quantitative analysis of the proportion between cohesion and adhesion....journal article 2023
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Chen, Yangkun (author), Yu, Chenghui (author), Zhu, Hengman (author), Liu, Shuai (author), Zhang, Yibing (author), Suarez, Joseph (author), Zhao, Liang (author), He, J. (author), Chen, Jiaxin (author)We present the results of the second Neural MMO challenge, hosted at IJCAI 2022, which received 1600+ submissions. This competition targets robustness and generalization in multi-agent systems: participants train teams of agents to complete a multi-task objective against opponents not seen during training. We summarize the competition design...journal article 2023
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Chen, Yan (author), van Driel, D. (author), Lampadaris, Charalampos (author), Khan, Sabbir A. (author), Alattallah, Khalifah (author), Zeng, Lunjie (author), Olsson, Eva (author), Dvir, T. (author), Krogstrup, Peter (author), Liu, Yu (author)We present a report on hybrid InSb-Pb nanowires that combine high spin-orbit coupling with a high critical field and a large superconducting gap. Material characterization indicates the Pb layer of high crystal quality on the nanowire side facets. Hard induced superconducting gaps and gate-tunable supercurrent are observed in the hybrid...journal article 2023
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Liu, Huanhuan (author), Wang, R. (author), Gao, Haiyan (author), Chen, Lijuan (author), Li, Xiaochen (author), Yu, Xuan (author), Wu, Yaping (author), Bai, Yan (author), Wei, W. (author), Wang, Meiyun (author)The development of clinical imaging techniques significantly improves diagnostic accuracy and provides guidance for personalized treatment of individuals. However, every single imaging modality has its distinct drawbacks that cannot fully fulfil the diagnosis requirement. Thus, rational combination of different imaging modalities can achieve...review 2023
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Fu, Sheng (author), Chen, P. (author), Liu, Yufeng (author), Ye, Zhisheng (author)Multinomial logistic regression models are popular in multicategory classification analysis, but existing models suffer several intrinsic drawbacks. In particular, the parameters cannot be determined uniquely because of the over-specification. Although additional constraints have been imposed to refine the model, such modifications can be...journal article 2023
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Boonprakong, Nattapat (author), He, G. (author), Gadiraju, Ujwal (author), Van Berkel, Niels (author), Wang, Danding (author), Chen, Si (author), Liu, Jiqun (author), Tag, Benjamin (author), Goncalves, Jorge (author), Dingler, Tilman (author)AI systems are increasingly incorporated into human decision-making. Yet, human decision-makers are often affected by their cognitive biases. In critical settings, such as medical diagnosis, criminal judgment, or information consumption, these cognitive biases hinder optimal decision outcomes, thereby resulting in dangerous decisions and...conference paper 2023