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M-LFM: a multi-level fusion modeling method for shape−performance integrated digital twin of complex

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0708-0

Abstract: dynamic systems by developing a new digital twin framework that includes simulation data, measuring data, multi-levelfusion modeling (M-LFM), visualization techniques, and fatigue analysis.To leverage its capacity, the M-LFM method combines the advantages of different surrogate models andThe results show that the M-LFM method has better performance in the computational efficiency and calculation

Keywords: shape−performance integrated digital twin (SPI-DT)     multi-level fusion modeling (M-LFM)     surrogate model     telescopic boom crane     data fusion    

Grasping institutional complexity in infrastructure mega-projects through the multi-level governance

Yi HU, Yun LE, Xinglin GAO, Yongkui LI, Mingqiang LIU

Frontiers of Engineering Management 2018, Volume 5, Issue 1,   Pages 52-63 doi: 10.15302/J-FEM-2018074

Abstract: This study analyzes the design and operation of multi-level governance system for the smooth deliveryspecifically those with government logics and market structures, on the design and operation of the three-levelthe rapidly emerging research on complex system governance by proposing a systematic model of three-level

Keywords: institutional complexity     multi-level governance     infrastructure mega-project     China    

Deep convolutional neural network for multi-level non-invasive tunnel lining assessment

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2,   Pages 214-223 doi: 10.1007/s11709-021-0800-2

Abstract: The paper proposes a multi-level strategy, designed and implemented on the basis of periodic structural

Keywords: concrete structure     GPR     damage classification     convolutional neural network     transfer learning    

Aseismic smart building isolation systems under multi-level earthquake excitations: Part I, conceptual

Min-Ho CHEY,J. Geoffrey CHASE,John B. MANDER,Athol J. CARR

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 3,   Pages 286-296 doi: 10.1007/s11709-015-0307-9

Abstract: show that semi-active smart building isolation systems can effectively manage seismic response for multi-degree-of

Keywords: tuned mass damper     smart building isolation     resettable device     non-linear     statistical assessment    

Aseismic smart building isolation systems under multi-level earthquake excitations: Part II, energy-dissipation

Min-Ho CHEY,J. Geoffrey CHASE,John B. MANDER,Athol J. CARR

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 3,   Pages 297-306 doi: 10.1007/s11709-015-0308-8

Abstract: study verifies the control effects of the systems from the view point of energy dissipation and damage levelSeveral different model cases of the strategically isolated multi-story building structures utilizing

Keywords: smart building isolation     story and structural     energy-dissipation     damage assessment    

Policy entry points for facilitating a transition towards a low-carbon electricity future

Frontiers of Engineering Management   Pages 462-472 doi: 10.1007/s42524-022-0214-4

Abstract: Guided by the “essence” of the multi-level perspective — a prominent framework for the study of energy

Keywords: electricity transition     multi-level perspective     policy entry points    

The Forward Recurrent Method for Dynamic Programming

Zhang Zhao,Pei Yanling,Zhang Renbao

Strategic Study of CAE 2005, Volume 7, Issue 2,   Pages 62-65

Abstract:

Backward recurrent method is usually adopted in seeking optimal solution by dynamic programming. A forward recurrent method to find optimal solution by dynamic programming is presented on the basis of an instance. The fundamental equation of dynamic programming and Millton-Jacobi's equation are also derived. It's an exploratory study on optimal solution of dynamic programming. An amount of work is reduced in calculating by using forward recurrent method, while applied range of the method is expanded.

Keywords: dynamic programming     multi-level decision     functional equation     optimal solution    

The Mechanics of 3D Multi-body Contact System of Long Shell and Tyres

Liang Xiaoling,Xiao Yougang,Li Xuejun

Strategic Study of CAE 2005, Volume 7, Issue 12,   Pages 41-44

Abstract:

According to the high iterative feature of shell and tyre structure, the multi-level substructuretechnique is adopted to set up the multi-body contact model between tyres and long shell.Applying parametric quadratic programming method, the multi-body contact FEM analysis of the No.2 rotary

Keywords: shell     multi-body contact     multi-level substructure     mechanical property    

Fault-tolerant control of an open-winding brushless doubly-fed wind power generator system with dual three-level

Shi JIN, Long SHI, Sul ADEMI, Yue ZHANG, Fengge ZHANG

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 149-164 doi: 10.1007/s11708-020-0711-2

Abstract: To improve the fault redundancy capability for the high reliability requirement of a brushless doubly-fed generation system applied to large offshore wind farms, the control winding of a brushless doubly-fed reluctance generator is designed as an open-winding structure. Consequently, the two ends of the control winding are connected via dual three-phase converters for the emerging open-winding structure. Therefore, a novel fault-tolerant control strategy based on the direct power control scheme is brought to focus in this paper. Based on the direct power control (DPC) strategy, the post-fault voltage vector selection method is explained in detail according to the fault types of the dual converters. The fault-tolerant control strategy proposed enables the open-winding brushless doubly-fed reluctance generator (BDFRG) system to operate normally in one, two, or three switches fault of the converter, simultaneously achieving power tracking control. The presented results verify the feasibility and validity of the scheme proposed.

Keywords: open-winding     brushless doubly-fed reluctance generator (BDFRG)     direct power control     fault-tolerant control     multi-level    

Contact detection with multi-information fusion for quadruped robot locomotion under unstructured terrain

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0760-4

Abstract: detection for quadruped robots, a detection approach based on the probabilistic contact model with multi-informationfusion is presented to detect the actual contact states of robotic feet with the ground.

Keywords: multi-information fusion     contact detection     quadruped robot     probabilistic contact model     unstructured    

Research on Multi-level Software Rejuvenationof Computing System

You Jing,Xu Jian,Li Qianmu, Liu Fengyu

Strategic Study of CAE 2007, Volume 9, Issue 2,   Pages 36-37

Abstract: rejuvenation policy can reduce the MTTR and rejuvenation cost further, comparing with the only system-level

Keywords: source filter     neural network     hysteresis comparator    

Development and testing of a wireless smart toolholder with multi-sensor fusion

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11465-023-0774-y

Abstract: In this study, we propose a wireless smart toolholder with multi-sensor fusion for simultaneous sensingWe select force, vibration, and temperature sensors suitable for smart toolholder fusion to adapt to

Keywords: wireless smart toolholder     multi-sensor fusion     circular runout     dynamic balancing     static stiffness    

The Strategy of TC 3.0: A Revolutionary Evolution in Trusted Computing

Shen Changxiang,Zhang Dawei and Liu Jiqiang,Ye Heng, Qiu Shuo

Strategic Study of CAE 2016, Volume 18, Issue 6,   Pages 53-57 doi: 10.15302/J-SSCAE-2016.06.011

Abstract:

This paper introduces the status, problems, and future strategies of the traditional defense system and analyzes issues in the current protection structure. We then propose the trusted computing (TC) 3.0 strategy, which is an active defense architecture based on active immunity. Furthermore, we give an example of TC 3.0 in cloud computing and provide some suggestions on enforcing active defense.

Keywords: trusted computing (TC) 3.0     active defense     active immunity     multi-level protection     protection structure    

Information fusion in aquaculture: a state-of the art review

Shahbaz Gul HASSAN,Murtaza HASAN,Daoliang LI

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 3,   Pages 206-221 doi: 10.15302/J-FASE-2016111

Abstract: In this review, an information fusion approach was used to integrate multi-sensor and computer visionInformation fusion is a well-known technology that has been used in different fields of artificial intelligenceInformation fusion in aquaculture is a growing field of research that is used to enhance the performanceThis review study surveys different fish feeding systems using multi-sensor data fusion, computer visionwaste management and fish disease diagnosis techniques using different technologies, expert systems and modeling

Keywords: aquaculture     computer vision     information fusion     modeling     sensor    

A prediction formula of water temperature released from the multi-level stop-log gate intake of hydropower

Gao Xueping,Chen Hong,Song Huifang

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 63-67

Abstract:

In thermally stratified reservoir, a multi-level intake structure is

Keywords: thermally stratified reservoir     hydropower station intake     stop-log gate     formula of water temperature released     model experiment    

Title Author Date Type Operation

M-LFM: a multi-level fusion modeling method for shape−performance integrated digital twin of complex

Journal Article

Grasping institutional complexity in infrastructure mega-projects through the multi-level governance

Yi HU, Yun LE, Xinglin GAO, Yongkui LI, Mingqiang LIU

Journal Article

Deep convolutional neural network for multi-level non-invasive tunnel lining assessment

Journal Article

Aseismic smart building isolation systems under multi-level earthquake excitations: Part I, conceptual

Min-Ho CHEY,J. Geoffrey CHASE,John B. MANDER,Athol J. CARR

Journal Article

Aseismic smart building isolation systems under multi-level earthquake excitations: Part II, energy-dissipation

Min-Ho CHEY,J. Geoffrey CHASE,John B. MANDER,Athol J. CARR

Journal Article

Policy entry points for facilitating a transition towards a low-carbon electricity future

Journal Article

The Forward Recurrent Method for Dynamic Programming

Zhang Zhao,Pei Yanling,Zhang Renbao

Journal Article

The Mechanics of 3D Multi-body Contact System of Long Shell and Tyres

Liang Xiaoling,Xiao Yougang,Li Xuejun

Journal Article

Fault-tolerant control of an open-winding brushless doubly-fed wind power generator system with dual three-level

Shi JIN, Long SHI, Sul ADEMI, Yue ZHANG, Fengge ZHANG

Journal Article

Contact detection with multi-information fusion for quadruped robot locomotion under unstructured terrain

Journal Article

Research on Multi-level Software Rejuvenationof Computing System

You Jing,Xu Jian,Li Qianmu, Liu Fengyu

Journal Article

Development and testing of a wireless smart toolholder with multi-sensor fusion

Journal Article

The Strategy of TC 3.0: A Revolutionary Evolution in Trusted Computing

Shen Changxiang,Zhang Dawei and Liu Jiqiang,Ye Heng, Qiu Shuo

Journal Article

Information fusion in aquaculture: a state-of the art review

Shahbaz Gul HASSAN,Murtaza HASAN,Daoliang LI

Journal Article

A prediction formula of water temperature released from the multi-level stop-log gate intake of hydropower

Gao Xueping,Chen Hong,Song Huifang

Journal Article