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An interactive multiobjective model for the strategic maritime transportation of petroleum products: risk analysis and routing

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SAFETY SCIENCE 2001年第1-2期39卷 19-29页

作者： Iakovou, ET Univ Miami Dept Ind Engn Coral Gables FL 33124 USA

Dealing with the maritime transportation of crude oil and petroleum products has become a problem of major international concern due to the potential of environmental pollution created by oil spill incidents. This paper presents the development of a strategic multiobjective network flow model, allowing for risk analysis and routing, with multiple commodities, modalities and origin-destination pairs. The development of an interactive solution methodology is also presented followed by its implementation via a World Wide Web-based software package. Government agencies will find the model helpful in determining how regulations should be set to derive desirable routing schemes. Shippers will also find the model useful in optimizing their logistics costs. (C) 2001 Elsevier Science Ltd. All rights reserved.

关键词： multiobjective programming risk analysis interactive optimization hazmats transportation strategic planning

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An interactive multiobjective model for the strategic maritime transportation of petroleum products: risk analysis and routing

An interactive multiobjective model for the strategic mariti...

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7th Annual Conference of the Internation-Emergency-Management-Society (TIEMS 2000)

作者： Iakovou, ET Univ Miami Dept Ind Engn Coral Gables FL 33124 USA

关键词： multiobjective programming risk analysis interactive optimization hazmats transportation strategic planning

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Water pollution control in the river basin by fuzzy genetic algorithm-based multiobjective programming modeling

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WATER SCIENCE AND TECHNOLOGY 1998年第8期37卷 55-63页

作者： Chen, HW Chang, NB Natl Cheng Kung Univ Dept Environm Engn Tainan 70101 Taiwan

Designing water quality management strategies is often complicated by the difficulty in simultaneously considering large amounts of relevant data, applicable submodels, competing objectives, unquantifiable factors, nonlinear characteristics, and uncertainty during parameterization. Mathematical optimization techniques offer promise in identifying optimal or satisfactory strategies that may be used as benchmarks for decision making. Newer optimization techniques such as genetic algorithm (GA) and fuzzy mathematical programming make the search for optimal control strategies in an uncertain environment more feasible. Using a probabilistic search procedure that emulates Darwinian natural selection, GAs allow multicriteria decision making with respect to both nonlinear feature and fuzzy characteristics to be incorporated directly into the optimization process and generate trade-off curves between cost and environmental quality while identifying good control strategies. This paper verifies such a discovery by a case study of water quality control in the Tseng-Wen river basin in Taiwan. (C) 1998 IAWQ. Published by Elsevier Science Ltd.

关键词： water pollution control river basin fuzzy sets theory genetic algorithm multiobjective programming environmental systems analysis

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Water pollution control in the river basin by fuzzy genetic algorithm-based multiobjective programming modeling

Water pollution control in the river basin by fuzzy genetic ...

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1st International Conference on Environmental Restoration

作者： Chen, HW Chang, NB Natl Cheng Kung Univ Dept Environm Engn Tainan 70101 Taiwan

关键词： water pollution control river basin fuzzy sets theory genetic algorithm multiobjective programming environmental systems analysis

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Duality Theorems of multiobjective programming for a Class of Generalized Convex Functions

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运筹学学报 1998年第4期2卷 23-31页

作者： YINGYING WANG(Dept. of Basic Courses, Jilin Institute of Architect and Civil Engineering, Changchun 130021)JIALI DONG(Dept. of Applied Mathematics, Jilin Universitg of Technolopy, Changchun 130025) 吉林建筑工程学院基础部吉林长春吉林工业大学应用数学系吉林长春

In this paper, a class of more general generalized convex functions: (F, p)-invariantconvexity functions, are defined. On the basis of defintions, we have constructed generalduality models (VD); discussed duality prop... 详细信息

关键词： multiobjective programming duality property (F, p)-invariant convexity function weakly duality theorem direct duality theorem converse duality theorem,efficient solution.

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Linear programming with fuzzy variables

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FUZZY SETS AND SYSTEMS 2000年第1期109卷 21-33页

作者： Maleki, HR Tata, M Mashinchi, M Kerman Univ Fac Math & Comp Sci Kerman Iran

In practice, there are many problems in which all decision parameters are fuzzy numbers, and such problems are usually solved by either possibilistic programming or multiobjective programming methods. Unfortunately, all these methods have shortcomings. In this note, using the concept of comparison of fuzzy numbers, we introduce a very effective method for solving these problems. Then we propose a new method for solving linear programming problems with fuzzy variables. (C) 2000 Elsevier Science B.V. All rights reserved.

关键词： linear programming multiobjective programming fuzzy number

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Life-cycle assessment and production policy: An application to corrugated paperboard manufacture

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JOURNAL OF ENVIRONMENTAL MANAGEMENT 2000年第2期59卷 157-165页

作者： Lee, YM Ding, CY Natl Taiwan Univ Inst Nat Resource Management Taipei 10433 Taiwan Ind Technol Res Inst 321 Union Chem Labs Hsinchu 300 Taiwan

The aim of the study is to develop a framework of applying life cycle assessment to production policy. A case-study on corrugated paperboard manufacture is therefore implemented. The application framework comprises three components: the conventional life cycle assessment procedure, the analytical hierarchy process, and a multiobjective programming model. In the decision model for production policy adjustment the objectives of cost-effectiveness and environment-friendliness are incorporated The environmental impacts are classified as categories of pollution and disturbance as well as space groups of global, regional and local scales. This makes applicable the analytical hierarchy process for evaluating the environmental impacts. In the application the objectives incorporated are found to be competitive. The manufacture has to trade the increase of production costs for the reduction of environmental impacts. We also observe that the marginal effects of impacts on cost increase as the spatial scales of impact increase. (C) 2000 Academic Press.

关键词： life-cycle assessment analytical hierarchy process multiobjective programming corrugated paperboard

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A multiple objective decision support model for the selection of remote load control strategies

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IEEE TRANSACTIONS ON POWER SYSTEMS 2000年第2期15卷 865-872页

作者： Jorge, H Antunes, CH Martins, AG Univ Coimbra Dept Elect Engn P-3030 Coimbra Portugal INESC Coimbra P-3000 Coimbra Portugal

Utilities frequently use remote load control as an effective means to achieve suitable network operational conditions. This procedure, usually designated Load Management (LM), is a part of the resources considered under the general designation of Demand-Side Management (DSM), However, the use of LM in electric distribution network management is a problem that involves different conflicting aspects such as reducing peak demand, maximizing utility profits and minimizing discomfort caused to consumers. Hence, the problem is multiobjective in nature: economical, technical and quality of service aspects must all be explicitly accounted for in mathematical models, This paper presents a multiobjective decision support model which allows the consideration of the main concerns that have an important role in LM: minimize peak demand as perceived by the distribution network dispatch center, maximize utility profit corresponding to the energy services delivered by the controlled loads, maximize quality of service in the context of LM.

关键词： load management multiobjective programming load modeling energy management

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Multicriteria analysis for agricultural resource management: A critical survey and future perspectives

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EUROPEAN JOURNAL OF OPERATIONAL RESEARCH 2000年第2期122卷 486-500页

作者： Hayashi, K Minist Agr Forestry & Fisheries Tohoku Natl Agr Expt Stn Morioka Iwate 0200198 Japan

This paper reviews multicriteria analysis applied to agricultural resource management. The applications utilize either methods for selecting multiattribute discrete alternatives (including multiattribute utility theory) or methods for solving multiobjective planning problems (including goal programming). Our main purpose is to classify and evaluate the criteria (attributes, objectives) used for modeling agricultural systems and to identify the difficulties for practitioners in applying the methodology. The fields of study in agricultural decisions requiring further investigation are also discussed. (C) 2000 Elsevier Science B.V. All rights reserved.

关键词： multicriteria analysis agriculture natural resource multiattribute value functions multiobjective programming

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A multiobjective model for passenger train services planning: application to Taiwan's high-speed rail line

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TRANSPORTATION RESEARCH PART B-METHODOLOGICAL 2000年第2期34卷 91-106页

作者： Chang, YH Yeh, CH Shen, CC Monash Univ Sch Business Syst Clayton Vic 3168 Australia Natl Cheng Kung Univ Dept Transportat & Commun Management Sci Tainan 70101 Taiwan I Shou Univ Dept Int Trade & Business Kaohsiung Taiwan

This paper develops a multiobjective programming model for the optimal allocation of passenger train services on an intercity high-speed rail line without branches. Minimizing the operator's total operating cost and minimizing the passenger's total travel time loss are the two planning objectives of the model. For a given many-to-many travel demand and a specified operating capacity, the model is solved by a fuzzy mathematical programming approach to determine the best-compromise train service plan, including the train stop-schedule plan, service frequency, and fleet size. An empirical study on the to-be-built high-speed rail system in Taiwan is conducted to demonstrate the effectiveness of the model. The case study shows that an optimal set of stop-schedules can always be generated for a given travel demand. To achieve the best planning outcome, the number and type of stop-schedules should be flexibly planned, and not constrained by specific stopping schemes as often set by the planner. (C) 2000 Elsevier Science Ltd. All rights reserved.

关键词： passenger train planning high-speed rail stop-schedule multiobjective programming

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