title: A genetic-algorithm-aided stochastic optimization model for regional air quality management under uncertainty.
abstract: A genetic-algorithm-aided stochastic optimization (GASO) model was developed in this study for supporting regional air quality management under uncertainty. The model incorporated genetic algorithm (GA) and Monte Carlo simulation techniques into a general stochastic chance-constrained programming (CCP) framework and allowed uncertainties in simulation and optimization model parameters to be considered explicitly in the design of least-cost strategies. GA was used to seek the optimal solution of the management model by progressively evaluating the performances of individual solutions. Monte Carlo simulation was used to check the feasibility of each solution. A management problem in terms of regional air pollution control was studied to demonstrate the applicability of the proposed method. Results of the case study indicated the proposed model could effectively communicate uncertainties into the optimization process and generate solutions that contained a spectrum of potential air pollutant treatment options with risk and cost information. Decision alternatives could be obtained by analyzing tradeoffs between the overall pollutant treatment cost and the system-failure risk due to inherent uncertainties.
authors.affiliation: Division of Environmental and Water Resource Engineering, School of Civil and Environmental Engineering, Nanyang Technological University, Singapore. xiaoshengqin@gmail.com
authors.forename: Xiaosheng
authors.initials: X
authors.lastname: Qin
authors.forename: Guohe
authors.initials: G
authors.lastname: Huang
authors.forename: Lei
authors.initials: L
authors.lastname: Liu
mesh_terms: D000397:Air Pollution / Q000517:prevention & control*; D000465:Algorithms; D008956:Models, Chemical; D009010:Monte Carlo Method; D011786:Quality Control; D035501:Uncertainty