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Automated classification of civil structure defects based on convolutional neural network

Pierclaudio SAVINO, Francesco TONDOLO

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 305-317 doi: 10.1007/s11709-021-0725-9

Abstract: Today, the most commonly used civil infrastructure inspection method is based on a visual assessmentpaper presents a method for automating concrete damage classification using a deep convolutional neural networkThe convolutional neural network was designed after an experimental investigation of a wide number ofTo increase the network robustness compared to images in real-world situations, different image configurationsmodel, with the highest validation accuracy of approximately 94%, was selected as the most suitable network

Keywords： concrete structure     infrastructures     visual inspection     convolutional neural network     artificial intelligence    

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Printability and hardening performance of three-dimensionally-printed geopolymer based on lunar regolithsimulant for automated construction of lunar infrastructure

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0003-0

Abstract: This study aims to improve the printability of a geopolymer based on a BH-1 lunar regolith simulant,

Keywords： geopolymer     lunar regolith simulant     3D printing     rheology     printability    

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Research progress in China’s coalbed methane surface gathering process and monitoring technology

Wu Jianguang,Ju Yiwen,Pei Hong,Hou Quanlin,Song Xianfeng,Chen Shilin,Wu Jianfeng

Strategic Study of CAE 2012, Volume 14, Issue 2,   Pages 30-37

Abstract: liquefaction equipment development, producedwater treatment, environmental protection technologies, and automateddata collection and network based on management for CBM production and gathering system.

Keywords： low pressure gas gathering technology     liquefied in skidmounted package     producedwater treatment     automateddata collection and network based management    

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Distributed energy management for networked microgrids in a three-phase unbalanced distribution network

Frontiers in Energy 2023, Volume 17, Issue 3,   Pages 446-446 doi: 10.1007/s11708-022-0851-7

Abstract: Existing literature on distributed energy management for networked microgrids generally neglects thedistribution network or employs a simplified phase balanced distribution network; thus, these evaluationsTo solve this issue, this study sought to propose distributed energy management based on a three-phaseunbalanced distribution network.Based on the price signals received, the microgrid controllers (MCs) and distribution management system

Keywords： distributed optimization     energy management     networked microgrids     three-phase distribution network    

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Automated retrofit targeting of heat exchanger networks

Timothy G. Walmsley, Nathan S. Lal, Petar S. Varbanov, Jiří J. Klemeš

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 630-642 doi: 10.1007/s11705-018-1747-2

Abstract:

The aim of this paper is to develop a novel heat exchanger network (HEN) retrofit method based ona new automated retrofit targeting (ART) algorithm.

Keywords： process retrofit     pinch analysis     heat exchanger network     heat recovery    

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Coordinated shift control of nonsynchronizer transmission for electric vehicles based on dynamic tooth

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 887-900 doi: 10.1007/s11465-021-0653-3

Abstract: To improve the swiftness of gear shifting, this paper proposes a coordinated shift control method basedon the dynamic tooth alignment (DTA) algorithm for nonsynchronizer automated mechanical transmissions

Keywords： electric vehicle     nonsynchronizer automated mechanical transmission (NSAMT)     planetary gear     coordinated    

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Novel interpretable mechanism of neural networks based on network decoupling method

Frontiers of Engineering Management 2021, Volume 8, Issue 4,   Pages 572-581 doi: 10.1007/s42524-021-0169-x

Abstract: The lack of interpretability of the neural network algorithm has become the bottleneck of its wide applicationdimension reduction method of high-dimensional system and reveal the calculation mechanism of the neural networkWe apply our framework to some network models and a real system of the whole neuron map of CaenorhabditisResult shows that a simple linear mapping relationship exists between network structure and network behaviorin the neural network with high-dimensional and nonlinear characteristics.

Keywords： neural networks     interpretability     dynamical behavior     network decouple    

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Lifecycle Management and Maintenance of Marine Bridge Engineering

Liu Muyu, Liang Lei, Wu Hao, Xu Gang, Li Qian

Strategic Study of CAE 2019, Volume 21, Issue 3,   Pages 25-30 doi: 10.15302/J-SSCAE-2019.03.013

Abstract: many problems in health monitoring, measurement technology, inspection technology, and maintenance-managementTherefore, after summarizing the existing problems in lifecycle management and maintenance of bridgespaper proposes several key technologies for marine bridge development, including health monitoring basedlong-distance optical-fiber sensing; space–air–ground–sea integrated measurement; automatedinspection; and intelligent management and maintenance platforms.

Keywords： marine bridge engineering     lifecycle management     health monitoring     automated inspection     engineering mapping    

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Negative weights in network time model

Zoltán A. VATTAI, Levente MÁLYUSZ

Frontiers of Engineering Management 2022, Volume 9, Issue 2,   Pages 268-280 doi: 10.1007/s42524-020-0109-1

Abstract: Previous network techniques (CPM/PERT/PDM) did not support negative parameters and/or loops (potentiallyMonsieur Roy and John Fondahl implicitly introduced negative weights into network techniques to representincorporating the dynamic model of the inner logic of time plan), and a surprisingly flexible and handy networkreview the theoretical possibilities and technical interpretations (and use) of negative weights in networktime models and discuss approximately 20 types of time-based restrictions among the activities of construction

Keywords： graph technique     network technique     construction management     scheduling    

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Discussion on Problem-Based Engineering Management System

Qiao Xiang

Frontiers of Engineering Management 2015, Volume 2, Issue 3,   Pages 249-260 doi: 10.15302/J-FEM-2015054

Abstract: The paper puts forward the idea of problem-based engineering management, expounds its connotation andguiding ideology and moreover, substantially demonstrates its practical significance in the engineering management

Keywords： problem     engineering management     system    

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A multi-sensor relation model for recognizing and localizing faults of machines based on network analysis

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0736-9

Abstract: Recently, advanced sensing techniques ensure a large number of multivariate sensing data for intelligent fault diagnosis of machines. Given the advantage of obtaining accurate diagnosis results, multi-sensor fusion has long been studied in the fault diagnosis field. However, existing studies suffer from two weaknesses. First, the relations of multiple sensors are either neglected or calculated only to improve the diagnostic accuracy of fault types. Second, the localization for multi-source faults is seldom investigated, although locating the anomaly variable over multivariate sensing data for certain types of faults is desirable. This article attempts to overcome the above weaknesses by proposing a global method to recognize fault types and localize fault sources with the help of multi-sensor relations (MSRs). First, an MSR model is developed to learn MSRs automatically and further obtain fault recognition results. Second, centrality measures are employed to analyze the MSR graphs learned by the MSR model, and fault sources are therefore determined. The proposed method is demonstrated by experiments on an induction motor and a centrifugal pump. Results show the proposed method’s validity in diagnosing fault types and sources.

Keywords： fault recognition     fault localization     multi-sensor relations     network analysis     graph neural network    

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A Study on the Policies and Regulations of Network Electronic Identity Management

Zou Xiang,Hu Chuanping and Fang Binxing、Chen Bing

Strategic Study of CAE 2016, Volume 18, Issue 6,   Pages 23-27 doi: 10.15302/J-SSCAE-2016.06.005

Abstract: management in major countries, regions in foreign countries, and China.It discusses the development of China's network identity management, and outlines the 13th Five-YearPlan's policies and regulations for network electronic identity management in China, including thedevelopment of ideas and constructive suggestions, the strengthening of network space identity management, and the construction of a network space identity management system.

Keywords： network electronic identity     identity management     policies and regulations    

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Percolation-based health management of complex traffic systems

Frontiers of Engineering Management 2021, Volume 8, Issue 4,   Pages 557-571 doi: 10.1007/s42524-021-0174-0

Abstract: System health management, which aims to ensure the safe and efficient operation of systems by reducingIn this article, we review existing studies on traffic reliability management and propose a health managementframework covering the entire traffic congestion lifetime, from emergence, evolution to dissipation, basedAiming to be “reliable, invulnerable, resilient, potential, and active”, our proposed traffic health managementOur proposed framework may shed light on traffic management for megacities and urban agglomerations around

Keywords： traffic health     health management     critical infrastructure     systems science and engineering    

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On the Monitoring, Analysis, and Management of Network Public Opinion: Current Status and Challenges

Yang Shanlin,Zhou Bin and Jia Yan,Huang Jiuming

Strategic Study of CAE 2016, Volume 18, Issue 6,   Pages 17-22 doi: 10.15302/J-SSCAE-2016.06.004

Abstract:

From the perspectives of computer science, information science, management, and sociology, this papersummarizes research on domestic and international network public opinion monitoring, analysis, and managementOn this basis, we discuss the future development of network public opinion when facing the challenges

Keywords： network public opinion     monitoring     analysis     management    

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A new automatic convolutional neural network based on deep reinforcement learning for fault diagnosis

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0673-7

Abstract: Convolutional neural network (CNN) has achieved remarkable applications in fault diagnosis.methods, namely, random search, Bayesian optimization, tree Parzen estimator, and sequential model-based

Keywords： deep reinforcement learning     hyper parameter optimization     convolutional neural network     fault diagnosis    

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Title Author Date Type Operation

Automated classification of civil structure defects based on convolutional neural network

Pierclaudio SAVINO, Francesco TONDOLO

Journal Article

Printability and hardening performance of three-dimensionally-printed geopolymer based on lunar regolithsimulant for automated construction of lunar infrastructure

Journal Article

Research progress in China’s coalbed methane surface gathering process and monitoring technology

Wu Jianguang,Ju Yiwen,Pei Hong,Hou Quanlin,Song Xianfeng,Chen Shilin,Wu Jianfeng

Journal Article

Distributed energy management for networked microgrids in a three-phase unbalanced distribution network

Journal Article

Automated retrofit targeting of heat exchanger networks

Timothy G. Walmsley, Nathan S. Lal, Petar S. Varbanov, Jiří J. Klemeš

Journal Article

Coordinated shift control of nonsynchronizer transmission for electric vehicles based on dynamic tooth

Journal Article

Novel interpretable mechanism of neural networks based on network decoupling method

Journal Article

Lifecycle Management and Maintenance of Marine Bridge Engineering

Liu Muyu, Liang Lei, Wu Hao, Xu Gang, Li Qian

Journal Article

Negative weights in network time model

Zoltán A. VATTAI, Levente MÁLYUSZ

Journal Article

Discussion on Problem-Based Engineering Management System

Qiao Xiang

Journal Article

A multi-sensor relation model for recognizing and localizing faults of machines based on network analysis

Journal Article

A Study on the Policies and Regulations of Network Electronic Identity Management

Zou Xiang,Hu Chuanping and Fang Binxing、Chen Bing

Journal Article

Percolation-based health management of complex traffic systems

Journal Article

On the Monitoring, Analysis, and Management of Network Public Opinion: Current Status and Challenges

Yang Shanlin,Zhou Bin and Jia Yan,Huang Jiuming

Journal Article

A new automatic convolutional neural network based on deep reinforcement learning for fault diagnosis

Journal Article