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refined risk explicit interval linear programming approach for optimal watershed load reduction with objective-constraintuncertainty tradeoff analysis

Pingjian YANG,Feifei DONG,Yong LIU,Rui ZOU,Xing CHEN,Huaicheng GUO

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 129-140 doi: 10.1007/s11783-014-0683-8

Abstract: However, REILP lacks the capability to analyze the tradeoff between risks in the objective function andcompromises between risks associated with the objective functions and the constraints.The proposed model was illustrated using a case study that deals with uncertainty-based optimal loadA risk tradeoff curve with different values of was presented to decision makers as a more flexibledemonstrate that, by applying the refined REILP, it is possible to obtain solutions that preserve the same constraint

Keywords： refined risk explicit interval linear programming     decision making     objective-constraint uncertainty tradeoff    

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Uncertain and multi-objective programming models for crop planting structure optimization

Mo LI,Ping GUO,Liudong ZHANG,Chenglong ZHANG

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 1,   Pages 34-45 doi: 10.15302/J-FASE-2016084

Abstract: have led to the necessity of developing optimization models for crop planting structure which consider uncertaintyIn this study, three single-objective programming models under uncertainty for crop planting structureMoreover, the IFCCP model considers fuzzy uncertainty of parameters/variables and stochastic characteristicsof constraints, while the IFLP model takes into account the fuzzy uncertainty of both constraints andobjective functions.

Keywords： crop planting structure     optimization model     uncertainty     multi-objective    

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A Multi-objective Optimization Decision-making Model for Project Time - resource Tradeoff Problem

Wang Xianjia,Wan Zhongping

Strategic Study of CAE 2005, Volume 7, Issue 2,   Pages 35-40

Abstract:

In the project scheduling and management, the time-resource tradeoff problem is to seek the objectiveA new multi-objective optimization decision-making model with time-resource tradeoff problem is proposed, in which objective functions with conflict one another are defined as adaptive and adjustable between

Keywords： project scheduling management     time-resource tradeoff     multiobject decision-making model     resource-constrained    

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A review of the multiobjective tradeoff research of construction projects based on intelligent optimization

Zhang Lianying,Xu Chang,Wu Qiong

Strategic Study of CAE 2012, Volume 14, Issue 11,   Pages 107-112

Abstract: In this paper, a review is provided for the multiobjective tradeoff research of construction projects

Keywords： construction project     project management     multi-objective optimization     intelligent optimization algorithm    

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Energy systems engineering: methodologies and applications

Pei LIU, Efstratios N. PISTIKOPOULOS, Zheng LI

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 131-142 doi: 10.1007/s11708-010-0035-8

Abstract: energy systems engineering, covering superstructure based modelling, mixed-integer programming, multi-objectiveoptimization, optimization under uncertainty, and life-cycle assessment.

Keywords： energy systems engineering     superstructure     mixed-integer programming     multi-objective optimization     optimizationunder uncertainty     life-cycle assessment    

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CO capture and sequestration source-sink match optimization in Jing-Jin-Ji region of China

Zhong ZHENG , Dan GAO , Linwei MA , Zheng LI , Weidou NI ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 359-368 doi: 10.1007/s11708-009-0053-6

Abstract: make a compromise in arriving at a strategic decision for CCS source-sink matching by providing the tradeoff

Keywords： CO2 capture and sequestration     China     source-sink match     tradeoff frontiers     multi-objective optimization    

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An interval joint-probabilistic programming method for solid waste management: a case study for the city of Tianjin, China

Yi XU, Shunze WU, Hongkuan ZANG, Guiguang HOU

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 239-255 doi: 10.1007/s11783-013-0536-x

Abstract: waste-management-capacity constraints are examined, which can facilitate in-depth analyses of tradeoffs among economic objective

Keywords： interval analysis     mixed integer     joint probabilistic constraint     planning     uncertainty     waste management    

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Ecosystem service tradeoff between traditional and modern agriculture: a case study in Congjiang County

Dan ZHANG, Qingwen MIN, Moucheng LIU, Shengkui CHENG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 743-752 doi: 10.1007/s11783-011-0385-4

Abstract: Besides crops, agriculture supplies all three major categories of ecosystem services (ES). However, agriculture also supplies an array of ecosystem dis-services (EDS) that may harm other ecosystems. The flows of ES and EDS are directly dependent on the management of agricultural ecosystems. The traditional method of Chinese agriculture, which supports sustainable agriculture, has been proven to increase ES and reduce EDS. However, there is a lack of a detailed understanding of the ES and EDS associated with traditional agriculture, and also of differences between traditional and modern agriculture. In this study, an investigation was conducted on the ecosystem services (ES) and ecosystem dis-services (EDS) of traditional and modern agriculture in Congjiang County, Guizhou Province, China. Afterwards, the economic values of ES and EDS were quantified experimentally and calculated based on the market price. The results show that: the net economic value of traditional rice-fish agriculture was 3.31×10 CNY·ha (6.83 CNY= 1 USD as of July, 2009) and that of rice monoculture was 1.99×10 CNY·ha . Significant differences existed between traditional rice-fish and rice monoculture fields for their economic values of some ES or EDS. A benefit and cost analysis (BCA) model was used to adjust the conflict between the economic income and environmental loss from traditional and modern agriculture. The BCA model not only calculates the net income but also monetizes the EDS of the agricultural systems. The results showed that the net income of rice-fish agriculture was 1.94×10 CNY·ha higher than that of rice monoculture. However, the benefit to cost ratio (BCR) of rice-fish agriculture was lower than that of rice monoculture, indicating that the traditional agricultural model was not the most optimized choice for farmers. The value of the rice-fish agriculture was much higher than that of the rice monoculture. Thus, when considering the benefits that rice-fish agriculture contributes to the large-scale society, these agricultural methods needs to be utilized. Furthermore, the labor opportunity costs were calculated and the comprehensive value of rice monoculture was negative. Finally, the compensation standard was calculated based on the comprehensive benefit analysis. The lowest level was 1.09×10 CNY·ha , and the highest level was 1.21×10 CNY·ha .

Keywords： traditional agriculture     rice-fish agriculture     rice monoculture     benefit and cost analysis (BCA)     ecosystem services (ES)     ecosystem dis-services (EDS)    

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Technology and system of constraint programming for industry production scheduling

Yarong CHEN, Zailin GUAN, Yunfang PENG, Xinyu SHAO, Muhammad HASSEB

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 455-464 doi: 10.1007/s11465-010-0106-x

Abstract: The use of techniques and system of constraint programming enables the implementation of precise, flexibleThis paper systematically introduces the constraint modeling and solving technology for production schedulingWe trend of some concrete technology, such as modeling, search, constraint propagation, consistency,and optimization of constraint programming for scheduling problems.application analysis, a generic application framework for real-life scheduling based on commercial constraint

Keywords： constraint programming     production scheduling     constraint propagation     search     consistency     optimization    

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Recent development in low-constraint fracture toughness testing for structural integrity assessment of

Jidong KANG, James A. GIANETTO, William R. TYSON

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 546-553 doi: 10.1007/s11465-018-0501-2

Abstract: Such a test provides high constraint and therefore conservative fracture toughness results.However, for girth welds in service, defects are usually subjected to primarily tensile loading where the constraintLow-constraint toughness tests represent more realistic loading conditions for girth weld defects, andIn this review, we present recent developments in low-constraint fracture toughness testing, specifically

Keywords： fracture toughness     constraint effect     single-edge-notched tension test     pipeline     structural integrity assessment    

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Development of rocking constraint device with vertical damping capacity for three-dimensional base-isolated

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 350-367 doi: 10.1007/s11709-022-0923-0

Abstract: A new rocking constraint device (RCD) is developed for three-dimensional (3D) base-isolated frame structuresinstalled outside the cylinders when the superstructure undergoes translational motion, and rocking constraintTheoretical formulas for calculating the damping and rocking constraint stiffness of the RCD are proposedtests are conducted at different loading frequencies and amplitudes to verify the damping and rocking constraintloading frequency, the average vertical stiffness of the two cylinders, which determines the rocking constraint

Keywords： three-dimensional isolation     rocking behavior     rocking constraint device     replaceable damping component    

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Research on constraint-based virtual assembly technologies

YANG Rundang, WU Dianliang, FAN Xiumin, YAN Juanqi

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 243-249 doi: 10.1007/s11465-007-0043-5

Abstract: To realize a constraint-based virtual assembly operation, the unified representations of the assemblyconstraint, the equivalent relation between the constraint and the degree of freedom (DOF), and theSeveral algorithms about the constraint treatment are submitted.Second, to satisfy the new constraint, according to the positing solving algorithm, the position andExperiments have indicated that these algorithms have well supported constraint treatments in the IVAE

Keywords： movement DOF     recognition algorithm     assembly     orientation     combination    

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Modeling the impact of uncertainty in emissions trading markets with bankable permits

Yongliang ZHANG, Bing ZHANG, Jun BI, Pan HE

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 2,   Pages 231-241 doi: 10.1007/s11783-012-0431-x

Abstract: The various forms of uncertainty that firms may face in bankable emission permit trading markets willThis research explores the effect of increased uncertainty over future input costs and output pricesIncreased uncertainty about future market conditions increases the expected permit price and causes aFinally, safety valves, both low-side and high-side, are suggested to reduce the impact of uncertainty

Keywords： uncertainty     bankable     emission trading     market performance    

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Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 593-606 doi: 10.1007/s11465-021-0636-4

Abstract: for the continuum topology optimization of transient vibration problem with maximum dynamic response constraintaggregated index in the form of an integral function is presented to cope with the maximum response constraint

Keywords： topology optimization     solid isotropic material with penalization     transient response     aggregation function     second-order Arnoldi reduction    

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Key uncertainty events impacting on the completion time of highway construction projects

Alireza MOGHAYEDI, Abimbola WINDAPO

Frontiers of Engineering Management 2019, Volume 6, Issue 2,   Pages 275-298 doi: 10.1007/s42524-019-0022-7

Abstract: This paper examines the uncertainty events encountered in the process of constructing highways, and evaluatesThe research made use of a review of extant literature in the area of uncertainty management, and modelingAn uncertainty matrix for South African highway projects was developed, using a quantitative model andIt emerged from the study that the uncertainty events affecting the construction time of highway projectstime differently, through a combination of the uncertainty events of the individual construction activities

Keywords： ANFIS     construction time     impact assessment     highway project     South Africa     uncertainty    

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Title Author Date Type Operation

refined risk explicit interval linear programming approach for optimal watershed load reduction with objective-constraintuncertainty tradeoff analysis

Pingjian YANG,Feifei DONG,Yong LIU,Rui ZOU,Xing CHEN,Huaicheng GUO

Journal Article

Uncertain and multi-objective programming models for crop planting structure optimization

Mo LI,Ping GUO,Liudong ZHANG,Chenglong ZHANG

Journal Article

A Multi-objective Optimization Decision-making Model for Project Time - resource Tradeoff Problem

Wang Xianjia,Wan Zhongping

Journal Article

A review of the multiobjective tradeoff research of construction projects based on intelligent optimization

Zhang Lianying,Xu Chang,Wu Qiong

Journal Article

Energy systems engineering: methodologies and applications

Pei LIU, Efstratios N. PISTIKOPOULOS, Zheng LI

Journal Article

CO capture and sequestration source-sink match optimization in Jing-Jin-Ji region of China

Zhong ZHENG , Dan GAO , Linwei MA , Zheng LI , Weidou NI ,

Journal Article

An interval joint-probabilistic programming method for solid waste management: a case study for the city of Tianjin, China

Yi XU, Shunze WU, Hongkuan ZANG, Guiguang HOU

Journal Article

Ecosystem service tradeoff between traditional and modern agriculture: a case study in Congjiang County

Dan ZHANG, Qingwen MIN, Moucheng LIU, Shengkui CHENG

Journal Article

Technology and system of constraint programming for industry production scheduling

Yarong CHEN, Zailin GUAN, Yunfang PENG, Xinyu SHAO, Muhammad HASSEB

Journal Article

Recent development in low-constraint fracture toughness testing for structural integrity assessment of

Jidong KANG, James A. GIANETTO, William R. TYSON

Journal Article

Development of rocking constraint device with vertical damping capacity for three-dimensional base-isolated

Journal Article

Research on constraint-based virtual assembly technologies

YANG Rundang, WU Dianliang, FAN Xiumin, YAN Juanqi

Journal Article

Modeling the impact of uncertainty in emissions trading markets with bankable permits

Yongliang ZHANG, Bing ZHANG, Jun BI, Pan HE

Journal Article

Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme

Journal Article

Key uncertainty events impacting on the completion time of highway construction projects

Alireza MOGHAYEDI, Abimbola WINDAPO

Journal Article