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An inexact fuzzy-random-chance-constrained air quality management model

STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT 2013年第8期27卷 1929-1946页

作者： Xu, Y. Shao, L. G. Huang, G. H. North China Elect Power Univ MOE Key Lab Reg Energy & Environm Syst Optimizat Sino Canada Resources & Environm Res Acad Beijing 102206 Peoples R China China Ctr Informat Ind Dev Beijing 100846 Peoples R China Univ Regina Fac Engn & Appl Sci Regina SK S4S 0A2 Canada

An inexact fuzzy-random-chance-constrained programming model (IFRCCMM) was developed for supporting regional air quality management under uncertainty. IFRCCMM was formulated through integrating interval linear programming within fuzzy-random-chance-constrained programming framework. It could deal with parameter uncertainties expressed as not only fuzzy random variables but also discrete intervals. Based on the stochastic and fuzzy chance-constrained programming algorithms, IFRCCMM was solved when constraints was satisfied under different satisfaction and violation levels of constraints, leading to interval solutions with different risk and cost implications. The proposed model was applied to a regional air quality management problem for demonstration. The obtained results indicated that the proposed model could effectively reflect uncertain components within air quality management system through employing multiple uncertainty-characterization techniques (in random, fuzzy and interval forms), and help decision makers analyze trade-offs between system economy and reliability. In fact, many types of solutions (i.e. conservative solutions with lower risks and optimistic solutions with higher risks) provided by IFRCCMM were suitable for local decision makers to make more applicable decision schemes according to their understanding and preference about the risk and economy. In addition, the modeling philosophy is general and applicable to many other environmental problems that may be complicated with multiple forms of uncertainties.

关键词： fuzzy-random-chance-constrained programming Interval linear programming Air quality management Uncertainty

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