Fault Diagnosis of Rolling Element Bearing based on Angular Domain Empirical Wavelet Transform by Yang Changzheng

“…Then,the stationary signal is decomposed adaptively into some empirical mode components by using the empirical wavelet transform（ EWT）. Finally,the envelope spectrum analysis is carried on the empirical mode component that kurtosis value is maximum to extract the order ratio fault features. …”
Get full text

The Relationship between Insecure Attachment to Depression: Mediating Role of Sleep and Cognitive Reappraisal by Yige Liu, Hongfan Li, Xiayue Xu, Yukun Li, Zhutao Wang, Huan Zhu, Xia Zhang, Shan Jiang, Naling Li, Simeng Gu, Fushun Wang, Jason H. Huang

“…These findings highlight the moderating role of cognitive reappraisal in the effects of attachment anxiety on sleep quality and finally on depression. In conclusion, sleep quality links attachment anxiety and emotional disorders.…”
Get full text

A Framework of Selecting Building Flooring Finishing Materials by Using Building Information Modeling (BIM) by Mohamed A. Al Rahhal Al Orabi, Khalid S. Al-Gahtani

“…Furthermore, the framework is integrated with Building Information Modeling (BIM) that has been widely used in the Architecture, Engineering, and Construction industry (AEC). Finally, a case study of a residential house in Saudi Arabia was used to demonstrate the framework. …”
Get full text

Automatic Type Synthesis of Planar Kinematic Chain based on the Modified Assur-group Adjacency Matrix Theory by Shan Chuncheng, Cao Yi, Liu Kai

“…In addition,the success is achieved in the application on the type synthesis for the planar closed kinematic chains with 12 links and 12-below-links. Finally,the type synthesis method is demonstrated with the example of kinematic chains with 6 links and single degree of freedom.…”
Get full text

Systematic Thinking and Evaluation of Construction Quality Management Standardization of Power Engineering in China by Tai-Ping Yuan, Jing-Feng Ou, Juan Wang, Wei Zhang

“…The results are divided into five grades, representing the five grades of construction quality management. Finally, taking a practical multiterminal DC demonstration project in China as an example, the CQMS performance is described and evaluated. …”
Get full text

Recent Advances in Three-Dimensional Stem Cell Culture Systems and Applications by Xiaowen Wu, Junxiang Su, Jizhen Wei, Nan Jiang, Xuejun Ge

“…Then the application of three-dimensional cell culture system is further explored, such as in the fields of drug screening, organoids and assembloids. Finally, the directions for future research of three-dimensional cell culture are stated briefly.…”
Get full text

Time series and semantics-based chinese microblog topic detection and tracking method by Tie-ming CHEN, Xiao-hao WANG, Wei-wei PANG, Jie JIANG

“…As a widely used tool in social networks,microblog is definitely with short document,quick broadcasting and topic changeable,which results in big challenging for social topic detection and tracking.A new systematic framework for micro-blog topic detection and tracking was proposed based on the microblog clustering using temporal trend and semantic similarity.Firstly,a feature words selection method for hot topics was presented by defining the temporal frequent words set.Secondly,an initially clustering was conducted depending on the selected temporal frequent words set.As far as the overlaps between initial clusters concerned,an effective overlap elimination algorithm was proposed,by introducing the extended short document semantic membership,to separate any possible overlapped initial clusters.Finally,an aggregated topic clustering method was employed using the cluster semantic similarity matrix.The experiments were at last done on some real-world dataset from Sina microblog.It show that the method for chinese microblog topic detection and tracking can obtain excellent performance and results.…”
Get full text

Three-Dimensional Reconstruction of Space Targets Utilizing Joint Optical-and-ISAR Co-Location Observation by Wanting Zhou, Lei Liu, Rongzhen Du, Ze Wang, Ronghua Shang, Feng Zhou

“…The 3-D rotational offset relationship and the 3-D translational offset relationship are next deduced to align the spatial offset between pairs of images based on attitude changes in neighboring frames. Finally, a voxel trimming mechanism based on growth learning (VTM-GL) is designed to obtain the reserved voxels where mask features are used. …”
Get full text

Design and Application of Reliability Calculation Program Based on Secondary Development of ABAQUS by ZOU Hong, WU Jian, XU Zhichun, YANG Li

“…As a kind of finite element analysis software,ABAQUS is widely used in nonlinear simulation field,but there is no universal and mature reliability calculation module.Therefore,it is necessary to establish a general reliability calculation program for Monte Carlo simulation based on finite element model to meet the automation requirements of reliability calculation of various structures in ABAQUS.This paper firstly puts forward the design idea and main functions of reliability calculation program in ABAQUS,including random number generation,model batch building,automatic result extraction and so on;then,develops the pre-processing and post-processing modules of ABAQUS with Python language for modularizing the main functions of the program;finally,introduces the application method of this reliability calculation program in detail taking the reliability calculation process of the finite element model of a simply supported steel truss bridge as an example.This reliability calculation program can effectively improve the degree of automation in the process of structural reliability calculation,and reduce the calculation time,which has great reference value in engineering application.…”
Get full text

Resource Optimization Technology Using Genetic Algorithm in UAV-Assisted Edge Computing Environment by Huijuan Sun, Hongqi Xi

“…Then, a communication model and a computation model are constructed to minimize the total system energy consumption by jointly optimizing the UAV offloading ratio, user scheduling variables, and UAV trajectory. Finally, the minimization of total system energy consumption is modeled as a nonconvex optimization problem and solved by introducing an improved genetic algorithm, so as to achieve a rational allocation of computational resources. …”
Get full text

Theoretical Framework for Creep Effect Analysis of Axially Loaded Short CFST Columns under High Stress Levels by Shiwei Li, Yongqing Yang, Wangqing Wen, Aiguo Yan

“…Next, based on the UCCDP, a method of 3D nonlinear creep analysis and a corresponding numerical analysis method were established and implemented in the ABAQUS secondary platform. Finally, by comparing the predicted results with the experimental results, it was observed that the method proposed to predict the creep of axially loaded short CFST columns had satisfactory accuracy.…”
Get full text

Transient State Estimation for Power System Based on Deep Transfer Learning by JIAO Hao, ZHAO Jiawei, WEI Lei, ZHU Weiping, MA Zhoujun, ZANG Haixiang

“…Subsequently，the twin datasets are partitioned into source domain and target domain datasets，and a base model is developed for state estimation in the source domain based on steady-state power system data. Finally，by applying deep transfer learning，the base model is fine-tuned using small-sample transient data in the target domain，resulting in a state-estimation model specifically adapted for transient conditions and enhancing the universality of the estimator. …”
Get full text

Flexural Response of Steel-Concrete Composite Truss Beams by Lisheng Luo, Xiaofeng Zhang

“…In contrast, if η ≥ 1, the effect of η on the bending capacity was negligible. Finally, a design method based on the degree of the shear connection was proposed to predict the ultimate capacity of the composite truss, and the predictions agreed well with the experimental results.…”
Get full text

Damage Evaluation of the Paving around Manholes under Vehicle Dynamic Load by Wenjun Hu, Quanman Zhao, Yao Liu, Zhigang Li, Xianghui Kong

“…After that, the Matlab software was used to obtain the variation law of impact load over time, and the 95% fourth power of the aggregate force was used as the index to evaluate the pavement damage. Finally, many influencing factors on pavement damage were analyzed by the method of grey correlation entropy. …”
Get full text

Comprehensive Evaluation of Urban Economic Development in Yangtze River Delta Based on Cluster-Principal Component Analysis by Quan Xie, Xin-Yue Dong, Ke Yu, Ling-Yu Zhang, Yun-Hua Xu

“…Chizhou, Xuancheng, Bengbu, and other cities lag behind in the economic rankings. Finally, it is suggested to reform the laggard cities and try to improve their economic strength from various economic indicators.…”
Get full text

GEOMETRIC PARAMETERS DETERMINATION AND SIMULATION OF SMALL-SIZED RV REDUCER by WANG Jun, ZHANG HuiMin

“…Then, the force analysis and strength check of the involute planetary gear and cycloid pin gear mechanism were carried out by the theory of force analysis and strength check for conventional RV transmission system, and the simulation is carried out by the finite element analysis software. Finally, by comparing the theoretical calculation results with the simulation results, the maximum contact stress errors of the involute planetary gear and the cycloidal pin gear tooth surface are up to 5.77% and 11.03%, respectively, which verifies the correctness of the theoretical analysis and the rationality of the structural design, and provides theoretical support for the subsequent research on small-sized RV reducers.…”
Get full text

Application of edge-cloud collaborative intelligence technologies in power grids by Qing HAN, Kunlun GAO, Ting ZHAO, Jiangqi CHEN, Xinyu YANG, Shusen YANG

“…With the continuous development of the Internet of things on electricity (IoTE) and large-scale deployment of intelligent edge devices, an explosively increasing amount of data are being generated at the network edge.The efficient, fast and secure processing and analysis of the massive edge located data brings great challenges for the traditional cloud computing-based intelligence technologies.Instead, edge-cloud collaborative intelligence (ECCI) technologies can significantly outperform the cloud computing-based intelligence in terms of the network bandwidth saving, delay reduction and privacy protection, and therefore have shown a great potential in boosting the development of power grids.To investigate the application of ECCI in power grids, the concept and research progress of ECCI were firstly introduced.The characteristics and advantages of ECCI were summarized and its applicability in the power grids were discussed.Secondly, the key technologies of ECCI applications for power grids were discussed and the solutions based on ECCI technologies for two typical scenes were proposed respectively.Finally, a brief discussion of future work was given.…”
Get full text

GENERAL MODEL AND STABILITY STUDY OF CYLINDIRCAL GRINDING CHATTER (MT) by CHI YuLun, LIU Bin, SHEN YiFeng

“…In this model, Newton iterative method was used to solve the transcendental equation with time delay, Gaussian elimination method was used to improve the iterative convergence speed, the continuation algorithm was used to continuously provide effective initial values to improve the accuracy of the iterative results, and the accurate grinding stability boundary was obtained. Finally, an experimental research on the grinding and processing of the plunge grinding micro-chatter was conducted. …”
Get full text

Formation of Ethical Competences for AI Use in English Foreign Language Teachings by Clara Abisheva, Zina Koldasbaeva, Nazym Nossiyeva, Nazilya Irgebaeva, Аinash Aipova, Saule Doldinova, Samat Smoilov, Ryskeldy Aykenova, Lyazzat Umirzakova, Mapruza Idrissova

“…The findings revealed the finalized six main ethical competences and 24 sub-competences, including (i) AI literacy competence, (ii) pedagogical and technical competence, (iii) assessment and reflection competence, (iv) facilitation of student autonomy competence, (v) professional and legal ethics competence, and (vi) responsibility and accountability competence. …”
Get full text

Protecting Rights in the Policy Process: Integrating Legal Proportionality and Policy Analysis by Mordechai Kremnitzer, Raanan Sulitzeanu-Kenan

“…Adopting these practical measures may substantially assist courts in identifying ways to implement judicial review, while respecting the discretion of policymakers. Finally, these proposed practices are expected to fine-tune the incentive structure of policy-makers for conducting quality policy analysis while protecting human and civil rights.…”
Get full text