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System engineering for water pollution control at the watershed level in China

Wei MENG,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 4,   Pages 443-452 doi: 10.1007/s11783-009-0037-0

Abstract: The present water pollution situation at watershed level in China has been systematically analyzed.The problems of water pollution control at watershed level include a lack of thought and approach, developmentaldelay in the environmental standard system, an inadequate monitoring ability, and an inefficient implementationThe strategies of this project include establishing a water pollution control system at watershed levelThe goal is to establish and complete a technological system of pollution control and management in three

Keywords： water pollution control     watershed     system engineering     sustainability     integrated watershed management     key    

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Analysis of inventory level under procurement constraints in supply chain

CHANG Guangshu

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 361-363 doi: 10.1007/s11465-007-0063-1

Abstract: Because the inventory is one of the major factors that affect the performance of the supply chain system, efficient reduction of an inventory can effectively reduce the cost level of the total supply chainConsidering the (, ) policy in an inventory management, this paper establishes a model of the inventory levelThen, the change of the inventory level with and without the procurement constraints is analyzed, andConsequently, the order point can be determined accurately to reduce the inventory level and the operation

Keywords： supply     efficient reduction     system     expectation     procurement    

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Grasping institutional complexity in infrastructure mega-projects through the multi-level governancesystem: A case study of the Hong Kong-Zhuhai-Macao Bridge construction

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 deliveryinstitutional perspective, this study scrutinizes the structure, elements, and dynamics of the governance systemspecifically those with government logics and market structures, on the design and operation of the three-levelgovernance system.model of three-level mega-project governance to enhance the timely delivery of infrastructure mega-projects

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

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

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: fault redundancy capability for the high reliability requirement of a brushless doubly-fed generation systemcontrol strategy proposed enables the open-winding brushless doubly-fed reluctance generator (BDFRG) system

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

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Water-level based discrete integrated dynamic control to regulate the flow for sewer-WWTP operation

Zhengsheng Lu, Moran Wang, Mingkai Zhang, Ji Li, Ying Xu, Hanchang Shi, Yanchen Liu, Xia Huang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1222-4

Abstract: A dynamic discrete control based on the water level was developed.variations, which can be realized only based on the programmable logic controller (PLC) system withoutthe dynamic water level variation in the sewer system.practical integrated operations of sewer-WWTP following the sensitive flow disturbances of the sewer systempumping station and influent flow in WWTP, which takes full advantage of storage space in the sewer system

Keywords： Sewer system     Integrated control     Discrete control     Water level    

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Co-design and Co-simulation on the System Level

Xu Hui,Wang Zuqiang,Wang Zhaojun

Strategic Study of CAE 2006, Volume 8, Issue 4,   Pages 86-88

Abstract:

The article introduces the technology of co-design and co-simulation on the system level and the systemsimulation tool-Cocentric system studio.

Keywords： system on a chip     software/hardware co-simulate     system C     CCSS (CoCentric system studio)    

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Status Quo and Development of Spaceflight TT&C Systems

Yu Zhijian

Strategic Study of CAE 2006, Volume 8, Issue 10,   Pages 42-46

Abstract: complex and diversified and their requirements on TT&C systems are taking on more and more high leveland proposes an integrated ground, air and space development strategy for TT&C and communication system

Keywords： spaceflight     TT&C system     system-level design     development    

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System-level Pareto frontiers for on-chip thermoelectric coolers

Sevket U. YURUKER, Michael C. FISH, Zhi YANG, Nicholas BALDASARO, Philip BARLETTA, Avram BAR-COHEN, Bao YANG

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 109-120 doi: 10.1007/s11708-018-0540-8

Abstract: continuous rise in heat dissipation of integrated circuits necessitates advanced thermal solutions to ensure systemIt is found that when element thickness and electrical current are optimized for a given system architectureThis methodology also provides the possible system level Δ ’s that can be achieved for a range of heatof master curves were generated, which were then used to compose the Pareto frontier for any given system

Keywords： thermoelectric cooling     thermal management     optimization     high flux electronics    

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Assessment Method of Industrial System Maturity Levels

Wang Liheng, Zhou Zhicheng, Wang Kunsheng, Lu Chunhua, Wang Hainan, Cui Jian, Ma Xuemei

Strategic Study of CAE 2020, Volume 22, Issue 2,   Pages 91-97 doi: 10.15302/J-SSCAE-2020.02.013

Abstract:

This paper proposes the concept of industrial system maturity level,and introduces a new factor, namely, industry security and controllability level (ISCL), which furthermacro-research on China’s strategic emerging industries, this study assessed and analyzed the industrial systemSpecifically, only the industrial system of the battery electric vehicle industry is in the mature stageIn the process of accelerating the construction of an independent and controllable modern industrial system

Keywords： industrial system maturity level     strategic emerging industries     assessment method     industry security andcontrollability level (ISCL)    

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Applications of dynamical complexity theory in traditional Chinese medicine

Yan Ma,Shuchen Sun,Chung-Kang Peng

Frontiers of Medicine 2014, Volume 8, Issue 3,   Pages 279-284 doi: 10.1007/s11684-014-0367-6

Abstract: This difficulty arises from the fact that TCM views human body as a complex dynamical system, and focusesThis new system level analysis has been successfully applied to many health and disease related topics

Keywords： traditional Chinese medicine     Multiscale Entropy     dynamical complexity     system level     applications    

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Simulation of heterogeneous two-phase media using random fields and level sets

George STEFANOU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 114-120 doi: 10.1007/s11709-014-0267-5

Abstract: critical examination of existing random field models of heterogeneous two-phase media with emphasis on level-cutThe case of random level sets, often used to represent the geometry of physical systems, is also examined

Keywords： microstructure     random fields     level sets     shape recovery     two-phase media    

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Traditional Chinese medicine: potential approaches from modern dynamical complexity theories

Yan Ma,Kehua Zhou,Jing Fan,Shuchen Sun

Frontiers of Medicine 2016, Volume 10, Issue 1,   Pages 28-32 doi: 10.1007/s11684-016-0434-2

Abstract: TCM views the human body as a complex dynamical system, and focuses on the balance of the human body,Such fundamental concepts require investigations using system-level quantification approaches, whichintroduce the consistency of dynamical complexity theories and TCM theories, and to inspire future system-level

Keywords： traditional Chinese medicine     quantification     dynamical complexity     system level     balance     modern sciences    

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The effect of sea level rise on beach morphology of caspian sea coast

M. A. Lashteh NESHAEI, F. GHANBARPOUR

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 369-379 doi: 10.1007/s11709-017-0398-6

Abstract: Bed level elevations are measured and compared with the theoretical equilibrium profile.In the next stage, following extensive investigations, the bed level changes due to arise in sea levelThe mechanism of beach re-treatment due to a rise in sea level is considered based on the simplifiedComparison of the equilibrium profiles for different cases of sea level rise, clearly shows that becauseof the sediment transport induced by the fluctuation of the water level, the beach profile in the surf

Keywords： wave     coastal zone     beach morphology     evolution     equilibrium profile     sea level rise    

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Level set band method: A combination of density-based and level set methods for the topology optimization

Peng WEI, Wenwen WANG, Yang YANG, Michael Yu WANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 390-405 doi: 10.1007/s11465-020-0588-0

Abstract: The level set method (LSM), which is transplanted from the computer graphics field, has been successfullyIn this study, a level set band method is proposed to overcome this drawback in handling topology changesin the level set framework.improve the continuity of objective and constraint functions by incorporating one parameter, namely, levelThe proposed method demonstrates a flexible topology change by applying a certain size of the level set

Keywords： level set method     topology optimization     density-based method     level set band    

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Architecture-level particular risk modeling and analysis for a cyber-physical system with AADL

Ming-rui Xiao, Yun-wei Dong, Qian-wen Gou, Feng Xue, Yong-hua Chen,xiaomingrui@mail.nwpu.edu.cn,yunweidong@nwpu.edu.cn,gqwen@mail.nwpu.edu.cn,xue-feng@sgepri.sgcc.com.cn,chenyonghua@sgepri.sgcc.com.cn

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 11,   Pages 1535-1670 doi: 10.1631/FITEE.2000428

Abstract: (PRA) is an essential step in the safety assessment process to guarantee the quality of a system in theearly phase of system development.Therefore, it is necessary to analyze the safety of the system considering human factor and physicalarchitecture-based PRA method is presented to support safety assessment for the AADL model of a cyber-physical systemFinally, a case study on the power grid system of CPS is modeled and analyzed using the proposed method
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Title Author Date Type Operation

System engineering for water pollution control at the watershed level in China

Wei MENG,

Journal Article

Analysis of inventory level under procurement constraints in supply chain

CHANG Guangshu

Journal Article

Grasping institutional complexity in infrastructure mega-projects through the multi-level governancesystem: A case study of the Hong Kong-Zhuhai-Macao Bridge construction

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

Journal Article

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

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

Journal Article

Water-level based discrete integrated dynamic control to regulate the flow for sewer-WWTP operation

Zhengsheng Lu, Moran Wang, Mingkai Zhang, Ji Li, Ying Xu, Hanchang Shi, Yanchen Liu, Xia Huang

Journal Article

Co-design and Co-simulation on the System Level

Xu Hui,Wang Zuqiang,Wang Zhaojun

Journal Article

Status Quo and Development of Spaceflight TT&C Systems

Yu Zhijian

Journal Article

System-level Pareto frontiers for on-chip thermoelectric coolers

Sevket U. YURUKER, Michael C. FISH, Zhi YANG, Nicholas BALDASARO, Philip BARLETTA, Avram BAR-COHEN, Bao YANG

Journal Article

Assessment Method of Industrial System Maturity Levels

Wang Liheng, Zhou Zhicheng, Wang Kunsheng, Lu Chunhua, Wang Hainan, Cui Jian, Ma Xuemei

Journal Article

Applications of dynamical complexity theory in traditional Chinese medicine

Yan Ma,Shuchen Sun,Chung-Kang Peng

Journal Article

Simulation of heterogeneous two-phase media using random fields and level sets

George STEFANOU

Journal Article

Traditional Chinese medicine: potential approaches from modern dynamical complexity theories

Yan Ma,Kehua Zhou,Jing Fan,Shuchen Sun

Journal Article

The effect of sea level rise on beach morphology of caspian sea coast

M. A. Lashteh NESHAEI, F. GHANBARPOUR

Journal Article

Level set band method: A combination of density-based and level set methods for the topology optimization

Peng WEI, Wenwen WANG, Yang YANG, Michael Yu WANG

Journal Article

Architecture-level particular risk modeling and analysis for a cyber-physical system with AADL

Ming-rui Xiao, Yun-wei Dong, Qian-wen Gou, Feng Xue, Yong-hua Chen,xiaomingrui@mail.nwpu.edu.cn,yunweidong@nwpu.edu.cn,gqwen@mail.nwpu.edu.cn,xue-feng@sgepri.sgcc.com.cn,chenyonghua@sgepri.sgcc.com.cn

Journal Article