Abstract
Air pollution has emerged as an imminent issue in modernsociety. Prediction of pollutant levels is an importantresearch topic in atmospheric environment today. For fulfillingsuch prediction, the use of neural network (NN), and inparticular the multi-layer perceptrons, has presented to be acost-effective technique superior to traditional statisticalmethods. But their training, usually with back-propagation (BP)algorithm or other gradient algorithms, is often with certaindrawbacks, such as: 1) very slow convergence, and 2) easilygetting stuck in a local minimum. In this paper, a newlydeveloped method, particle swarm optimization (PSO) model, isadopted to train perceptrons, to predict pollutant levels, andas a result, a PSO-based neural network approach is presented. The approach is demonstrated to be feasible and effective bypredicting some real air-quality problems.
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Lu, W.Z., Fan, H.Y., Leung, A.Y.T. et al. Analysis of Pollutant Levels in Central Hong Kong Applying Neural Network Method with Particle Swarm Optimization. Environ Monit Assess 79, 217–230 (2002). https://doi.org/10.1023/A:1020274409612
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DOI: https://doi.org/10.1023/A:1020274409612