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Identification and Guaranteed Performance Control of Hammerstein Systems over Wireless Channels

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International Journal of Automation and computing 2016年第2期13卷 125-132页

作者： Wei-Hua deng Kang Li jing deng College of Electrical Engineering Shanghai University of Electric Power School of Electronics Electrical Engineering and Computer ScienceQueen's University

The problems of identification and stabilization of a class of Hammerstein systems over a wireless network are investigated in this paper. A new approach for the proof of iterative identification is presented first. Then a guaranteed performance controller is designed to stabilize the system. The effectiveness of the proposed approach is demonstrated by numerical examples.

关键词： Identification guaranteed performance control model-based approach wireless network stochastic delay.

Changes in gas exchange,root growth,and biomass accumulation of Platycladus orientalis seedlings colonized by Serendipita indica

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Journal of Forestry Research 2019年第4期30卷 1199-1207页

作者： Chu Wu Qiao Wei jing deng Wenying Zhang College of Horticulture and Gardening Yangtze UniversityJingzhou 434025HubeiPeople's Republic of China Institute of Root Biology Yangtze UniversityJingzhou 434025HubeiPeople's Republic of China College of Agricultural Sciences Yangtze UniversityJingzhou 434025HubeiPeople's Republic of China

Serendipita indica(formerly known as Piriformospora indica),a root endophytic fungus,exhibits multiple functions in some agricultural,horticultural,and medicinal plant *** studied colonization of the roots of Platycladus orientalis,a forest tree species,by *** to improve the quality of the seedlings in seedbeds and survival rates in *** 20 days after inoculation,*** colonized the root cortex of *** *** colonization by *** significantly increased net CO2 assimilation,light use efficiency,and biomass accumulation by both roots and shoots,whereas it did not affect the biomass allocation between roots and *** addition,the symbiosis significantly increased root total length,surface area,and *** view of the two specific traits of ***,i.e.,axenic culture and wide colonization in plants,the fungus might be used for improving quality of *** seedlings and increasing their survival after transplanting.

关键词： Biomass NetCO2 assimilation Serendipita indica Root growth Symbiosis

Preparation of Flaky Hexagonal Nanoporous Au-Cu and Au Particles via Dealloying

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Acta Metallurgica Sinica(English Letters) 2022年第11期35卷 1777-1786页

作者： jing deng Yuan-Yun Zhao Yong Shen Chuntao Chang Qiang Li School of Physics Science and Technology Xinjiang UniversityUrumqi 830046China Neutron Scattering Technical Engineering Research Center School of Mechanical EngineeringDongguan University of TechnologyDongguan 523808China Guangdong-HongKong-Macao Joint Laboratory for Neutron Scattering Science and TechnologyDongguan University of TechnologyDongguan 523808China Instituteof Metal Research Chinese Academy of SciencesShenyang 110016China

Nanoporous metals have attracted signifi cant attention owing to their excellent physical,chemical,and biological ***,preparing ultrafi ne nanoporous metal particles(1–5μm)with specifi c geometries remains ***,we report a simple strategy to prepare ultrafi ne fl aky hexagonal nanoporous Au-Cu and Au particles via ***-based alloy ribbons with ultrafi ne fl aky hexagonal Mg-Au(Cu)-Gd particles dispersed in a Mg-Cu(Au)-Gd metallic glassy matrix were *** size and morphology of the precipitated fl aky hexagonal Mg-Au(Cu)-Gd particles were controlled by the solidifi cation process of a Mg 61 Cu 21 Au 7 Gd 11 alloy *** ne fl aky hexagonal nanoporous Au-Cu particles(diagonal diameter 2.58±0.44μm,ligament size~28 nm),Au-1 particles(diagonal diameter 2.38±0.35μm,ligament size~83 nm)and Au-2 particles(diagonal diameter 2.39±0.44μm,ligament size~66 nm)were prepared via ultrasonic-assisted dealloying of Mg 61 Cu 21 Au 7 Gd 11 alloy ribbons in 0.25 M HCl/ethanol,1 M HCl/ethanol and 0.25 M HNO 3/ethanol solutions,*** ultrafi ne fl aky hexagonal nanoporous Au-Cu and Au particles with a large specifi c surface area have a uniform particle size and shape,implying that they possess adequate powder fl uidity and excellent catalytic ***,the formation mechanism of the MgAu(Cu)Gd phase in solidifi ed Mg-Cu-Au-Gd alloys was *** study provides a novel approach for synthesizing nanoporous metal particles with a specifi c geometry.

关键词： Metallic glasses Mg-based alloys Dealloying Nanoporous particles Mg-Au-Gd phase

Dependence of Conductance of Corrugated Graphene Quantum Dot on Geometrical Features

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Communications in Theoretical Physics 2009年第11期52卷 960-964页

作者： LI Gui-Qin deng jing-Kang CAI Jun Department of Physics Tsinghua University Beijing 100084 China

Dependence of conductance of corrugated graphene quantum dot(CGQD)on geometrical features includinglength,width,connection and edge is investigated by the first principles *** results demonstrate that theconductance of CGQD with different geometrical features is different from each *** positions and amplitudesof discrete levels in densities of states and transmission coefficients are sensitive to geometrical *** I-Vcharacteristics of graphene are modified by size and edge,it is surprise the current does not change monotonously butoscillatory with *** they are slight change for different connections.

关键词： corrugated graphene conductance first principles calculations geometrical features

Cure Kinetics of DGEBA with Hyperbranched Poly(3-hydroxyphenyl) Phosphate as Curing Agent Studied by Non-isothermal DSC

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Chemical Research in Chinese Universities 2006年第1期22卷 118-122页

作者： YAO Liang deng jing QU Bao-jun SHI Wen-fang State Key Laboratory of Fire Science Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 P. R. China

The cure kinetics of diglycidyl ether of bisphenol A （DGEBA） with hyperbranched poly （3-hydroxyphenyl） phosphate（HHPP） as the curing agent was investigated by means of non-isothermal differential scanning calorimetry （DSC） at various heating rates. The results were compared with the corresponding results by using 1,3-dihydroxybenzene（DHB） as a model compound. The results show that HHPP can enhance the cure reaction of DGEBA, resulting in the decrease of the peak temperature of the curing curve as well as the decrease of the activation energy because of the flexible --P--O-- groups in the backbone of HHPP. However, both the activation energy of the cured polymer and the peak temperature of the curing curve are increased with DHB as a curing agent. The cure kinetics of the DGEBA/HHPP system was calculated by using the isoconversional method given by Malek. It was found that the two-parameter autocatalytic model（Sestak-Berggren equation） is the most adequate one to describe the cure kinetics of the studied System at various heating rates. The obtained non-isothermal DSC curves from the experimental data show the results being accordant with those theoretically calculated.

关键词： Hyperbranched polyphosphate Cure kinetics Epoxy resin Non-isothermal DSC

Efficient and convenient preparation of N-tosylimines catalyzed by indium trichloride

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Chinese Chemical Letters 2011年第5期22卷 511-514页

作者： Gui Sheng deng jing Yuan Zou Teng Fei Sun College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China

A new method for preparation of N-tosylimines by InCl_3-mediated condensation of aldehydes with p-toluenesulfonamide in refluxing benzene is *** procedure is lauded by its simplicity,mild reaction conditions,excellent... 详细信息

关键词： Indium trichloride N-Tosylimines p-Toluenesulfonamide Catalysis Aldehyde

A Data Consistency Insurance Method for Smart Contract

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Computers, Materials & Continua 2023年第9期76卷 3783-3795页

作者： jing deng Xiaofei Xing Guoqiang deng Ning Hu Shen Su Le Wang Md Zakirul Alam Bhuiyan School of Computer Science and Cyber Engineering Guangzhou UniversityGuangzhou510006China Information Network Engineering and Reasearch Center South China University of TechnologyGuangzhou510640China Cyberspace Institute of Advanced Technology Guangzhou UniversityGuangzhou510006China Department of Computer and Information Sciences Fordham UniversityNew York10458USA

As one of the major threats to the current DeFi(Decentralized Finance)ecosystem,reentrant attack induces data inconsistency of the victim smart contract,enabling attackers to steal on-chain assets from DeFi projects,which could terribly do harm to the confidence of the blockchain ***,protecting DeFi projects from the reentrant attack is very difficult,since generating a call loop within the highly automatic DeFi ecosystem could be very *** researchers mainly focus on the detection of the reentrant vulnerabilities in the code testing,and no method could promise the non-existent of reentrant *** this paper,we introduce the database lock mechanism to isolate the correlated smart contract states from other operations in the same contract,so that we can prevent the attackers from abusing the inconsistent smart contract *** to the existing resolutions of front-running,code audit,andmodifier,our method guarantees protection resultswith better *** we further evaluate our method on a number of de facto reentrant attacks observed from *** results prove that our method could efficiently prevent the reentrant attack with less running cost.

关键词： Blockchain smart contract data consistency reentrancy attack

A deep learning model based on contrast-enhanced computed tomography for differential diagnosis of gallbladder carcinoma

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Hepatobiliary & Pancreatic Diseases International 2024年第4期23卷 376-384页

作者： Fei Xiang Qing-Tao Meng jing-jing deng Jie Wang Xiao-Yuan Liang Xing-Yu Liu Sheng Yan Department of Hepatobiliary Pancreatic Surgery Second Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China Department of Radiology Affiliated Chuzhou First People’s HospitalAnhui Medical UniversityChuzhou 239000China

Background:Gallbladder carcinoma(GBC)is highly malignant,and its early diagnosis remains *** study aimed to develop a deep learning model based on contrast-enhanced computed tomography(CT)images to assist radiologists in identifying ***:We retrospectively enrolled 278 patients with gallbladder lesions(>10 mm)who underwent contrast-enhanced CT and cholecystectomy and divided them into the training(n=194)and validation(n=84)*** deep learning model was developed based on ResNet50 *** and clinical models were built based on support vector machine(SVM)*** comprehensively compared the performance of deep learning,radiomics,clinical models,and three ***:Three radiomics features including LoG_3.0 gray-level size zone matrix zone variance,HHL firstorder kurtosis,and LHL gray-level co-occurrence matrix dependence variance were significantly different between benign gallbladder lesions and GBC,and were selected for developing radiomics *** regression analysis revealed that age≥65 years[odds ratios(OR)=4.4,95%confidence interval(CI):2.1-9.1,P37 U/mL(OR=4.0,95%CI:1.6-10.0,P=0.003)were significant clinical risk factors of *** deep learning model achieved the area under the receiver operating characteristic curve(AUC)values of 0.864(95%CI:0.814-0.915)and 0.857(95%CI:0.773-0.942)in the training and validation datasets,which were comparable with radiomics,clinical models and three *** sensitivity of deep learning model was the highest both in the training[90%(95%CI:82%-96%)]and validation[85%(95%CI:68%-95%)]***:The deep learning model may be a useful tool for radiologists to distinguish between GBC and benign gallbladder lesions.

关键词： Gallbladder carcinoma Computed tomography Deep learning Radiomics

The Research of Indoor Positioning Based on Visible Light Communication

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China Communications 2015年第8期12卷 85-92页

作者： WANG Chunyue WANG Lang CHI Xuefen LIU Shuangxing SHI Wenxiao deng jing College of Communication Engineering Jilin University University of North Carolina at Greensboro

The key techniques in indoor positioning based on visible light communication and the state of the art of this research were surveyed. First, the significance of indoor positioning based on visible light communication from two aspects of the limitations of current indoor positioning technology and the advantages of visible light communication was discussed; And then, the main four technology of indoor positioning based on visible light communication were summarized and the triangulation of RSS method and the principle of image positioning were introduced in detail; Next, the performance characteristics of various typical algorithms were compared and analyzed; In the end, several suggestions on future research of indoor positioning based on visible light communication were given.

关键词： visible light communication indoor positioning imaging positioning RSS