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Stability and agility: biped running over varied and unknown terrain

Yang YI,Zhi-yun LIN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 4,   Pages 283-292 doi: 10.1631/FITEE.1400284

Abstract: We tackle the problem of a biped running over varied and unknown terrain.Running is a necessary skill for a biped moving fast, but it increases the challenge of dynamic balanceThe main idea is to sustain a running motion without falling by maintaining the system states withina running-feasible set, instead of running on a periodic limit cycle gait in the traditional way.Finally, the position and velocity of the COG are driven into the running-feasible set.

Keywords： Underactuated running biped     Dynamic balance     Varied and unknown terrain    

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Analysis on running safety of train on the bridge considering sudden change of wind load caused by wind

Tian ZHANG, He XIA, Weiwei GUO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 558-567 doi: 10.1007/s11709-017-0455-1

Abstract: moves into or out of the wind barrier structure, the dynamic analysis model of wind-vehicle-bridge systemwith wind barrier is established, and the influence of sudden change of wind load on the running safetysimply-supported U-shaped girder bridge with 100 m long double-side 3.5 m barrier, the response and the runningThe running safety indices of train vehicle with sectional wind barriers are worse than those with full

Keywords： wind barrier     sudden change of wind load     dynamic response     running safety     comfort    

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Engineering Running Shoes to Break Records

Chris Palmer

Engineering 2020, Volume 6, Issue 9,   Pages 962-963 doi: 10.1016/j.eng.2020.07.006

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Dynamic response of a long span suspension bridge and running safety of a train under wind action

GUO Weiwei, XIA He, XU You-lin

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 71-79 doi: 10.1007/s11709-007-0007-1

Abstract: A dynamic analysis model of a wind-train-bridge system is established.The wind excitations of the system are the buffeting and self-excited forces simulated in time domainThe running safeties of the train vehicles are much affected by wind.

Keywords： rotational     offload     vertical     m/s     attention    

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Modeling and Analysis of Elevator System Based on Timed-Coloured Petri Net

Zong Qun,Dou Liqian,Cheng Yiju

Strategic Study of CAE 2004, Volume 6, Issue 12,   Pages 51-55

Abstract:

In this paper, an elevator running model based on timed-coloured Petri net is proposed.The running of elevator is classified according to the model.The running of elevator is controlled by the command of controller.In the end, an example of the application of the model in single elevator system and the elevator groupcontrol system is given.

Keywords： Petri net     timed-coloured Petri net     the model of elevator     the running of elevator    

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Machine learning for detecting mesial temporal lobe epilepsy by structural and functional neuroimaging

Baiwan Zhou, Dongmei An, Fenglai Xiao, Running Niu, Wenbin Li, Wei Li, Xin Tong, Graham J Kemp, Dong

Frontiers of Medicine 2020, Volume 14, Issue 5,   Pages 630-641 doi: 10.1007/s11684-019-0718-4

Abstract: Mesial temporal lobe epilepsy (mTLE), the most common type of focal epilepsy, is associated with functional and structural brain alterations. Machine learning (ML) techniques have been successfully used in discriminating mTLE from healthy controls. However, either functional or structural neuroimaging data are mostly used separately as input, and the opportunity to combine both has not been exploited yet. We conducted a multimodal ML study based on functional and structural neuroimaging measures. We enrolled 37 patients with left mTLE, 37 patients with right mTLE, and 74 healthy controls and trained a support vector ML model to distinguish them by using each measure and the combinations of the measures. For each single measure, we obtained a mean accuracy of 74% and 69% for discriminating left mTLE and right mTLE from controls, respectively, and 64% when all patients were combined. We achieved an accuracy of 78% by integrating functional data and 79% by integrating structural data for left mTLE, and the highest accuracy of 84% was obtained when all functional and structural measures were combined. These findings suggest that combining multimodal measures within a single model is a promising direction for improving the classification of individual patients with mTLE.

Keywords： mesial temporal lobe epilepsy     functional magnetic resonance imaging     structural magnetic resonance imaging     machine learning     support vector machine    

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Analysis of Scientific and Technological Issues and Resear chof Development Strategy Plan on China’s Public Security

He Ping,Mi Jia,Yin Weiwei

Strategic Study of CAE 2007, Volume 9, Issue 4,   Pages 35-40

Abstract:

On the basis of providing the definition of public security system, thispublic security comprehensive index, discusses the characteristics of uncertainty and the method of systemnon-optimum analysis, at the same time, it establishes the running system of public security.increase ratio, and finally establishes basic thinking of public security science and technology research system

Keywords： public security     running system     comprehensive index     scientific and technologicalcontribution rate    

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Evaluation of power regeneration in primary suspension for a railway vehicle

Ruichen WANG, Zhiwei WANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 265-278 doi: 10.1007/s11465-019-0571-9

Abstract: and the electromagnetic configuration provides a controllable damping force to the primary suspension systemevaluated with respect to key performance indicators, including regenerated power, ride comfort, and running

Keywords： railway vehicle     primary damper     power regeneration     ride comfort     running safety    

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Improvement of part-load performance of gas turbine by adjusting compressor inlet air temperature and IGV opening

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 1000-1016 doi: 10.1007/s11708-021-0746-z

Abstract: A model and calculation method for an equilibrium running line is adopted based on the characteristicThe equilibrium running lines calculated through the calculation method involve three part-load conditions

Keywords： inlet air temperature     inlet guide vane (IGV) opening     part-load     equilibrium running line     gas turbine    

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Running train induced vibrations and noises of elevated railway structures and their influences on environment

He XIA, Fei GAO, Xuan WU, Nan ZHANG, Guido DE ROECK, Geert DEGRANDE

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 9-17 doi: 10.1007/s11709-009-0010-9

Abstract: The vibrations and noises of elevated railway structures have been cause for concern due to their effects on the environment and the people living near elevated lines. In this paper, the main structural features of some new elevated bridges and station hall were introduced. The generation mechanism of vibrations and noise of elevated structures induced by trains were investigated. The noise induced by different types of elevated bridges, their influences on the environment and the theoretical method for the analysis of structure borne noise was analyzed. Finally, several field measurements on train induced noises at the platforms of elevated subway stations and bridges were presented.

Keywords： railway     elevated structure     bridge     station     vibration     noise     environment    

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System reliability and system resilience

Frontiers of Engineering Management 2021, Volume 8, Issue 4,   Pages 615-619 doi: 10.1007/s42524-021-0176-y

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Engineering, Engineering System, Engineering System Theory, and System of Engineering Science

Wang Liancheng

Strategic Study of CAE 2001, Volume 3, Issue 6,   Pages 15-18

Abstract: of basic contents, nature and feature of engineering, this paper introduces concepts of engineering systemand engineering system theory, then discusses objects of study and research methods of engineering systemtheory using thinking of general system theory.Finally, it expounds meta-discipline standing of engineering system theory in system of engineering science

Keywords： engineering     system     system theory     discipline    

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Cyber–Physical Power System (CPPS): A review on measures and optimization methods of system resilience

Frontiers of Engineering Management 2021, Volume 8, Issue 4,   Pages 503-518 doi: 10.1007/s42524-021-0163-3

Abstract: The Cyber–Physical Power System (CPPS) is one of the most critical infrastructure systems in a country

Keywords： Cyber–Physical Power System     resilience assessment     resilience optimization     cascading failure modeling    

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Discussion on the System Optimization of the Energy Development Strategy and Plan

Da-di Zhou

Frontiers of Engineering Management 2014, Volume 1, Issue 2,   Pages 147-152 doi: 10.15302/J-FEM-2014022

Abstract: Due to the complexity of the energy system, the interactive relationship with economic and social development, and the enormous investment involved, the optimization of the energy system is of great significanceefforts to develop targets and specific approaches for the rational and optimal development of an energy system

Keywords： energy development strategy     planning system     system optimization    

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Title Author Date Type Operation

Stability and agility: biped running over varied and unknown terrain

Yang YI,Zhi-yun LIN

Journal Article

Analysis on running safety of train on the bridge considering sudden change of wind load caused by wind

Tian ZHANG, He XIA, Weiwei GUO

Journal Article

Engineering Running Shoes to Break Records

Chris Palmer

Journal Article

Dynamic response of a long span suspension bridge and running safety of a train under wind action

GUO Weiwei, XIA He, XU You-lin

Journal Article

Modeling and Analysis of Elevator System Based on Timed-Coloured Petri Net

Zong Qun,Dou Liqian,Cheng Yiju

Journal Article

Machine learning for detecting mesial temporal lobe epilepsy by structural and functional neuroimaging

Baiwan Zhou, Dongmei An, Fenglai Xiao, Running Niu, Wenbin Li, Wei Li, Xin Tong, Graham J Kemp, Dong

Journal Article

Analysis of Scientific and Technological Issues and Resear chof Development Strategy Plan on China’s Public Security

He Ping,Mi Jia,Yin Weiwei

Journal Article

Running China Engineering Science Well Serves for Promoting the Development of China’s Engineering Science

丁朝模

Journal Article

Evaluation of power regeneration in primary suspension for a railway vehicle

Ruichen WANG, Zhiwei WANG

Journal Article

Improvement of part-load performance of gas turbine by adjusting compressor inlet air temperature and IGV opening

Journal Article

Running train induced vibrations and noises of elevated railway structures and their influences on environment

He XIA, Fei GAO, Xuan WU, Nan ZHANG, Guido DE ROECK, Geert DEGRANDE

Journal Article

System reliability and system resilience

Journal Article

Engineering, Engineering System, Engineering System Theory, and System of Engineering Science

Wang Liancheng

Journal Article

Cyber–Physical Power System (CPPS): A review on measures and optimization methods of system resilience

Journal Article

Discussion on the System Optimization of the Energy Development Strategy and Plan

Da-di Zhou

Journal Article