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Rule-Based Modeling With DBSCAN-Based Information Granules
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DOI：10.1109/TCYB.2019.2902603.png)
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摘要
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Rule-based models are applicable to model the behavior of complex and nonlinear systems. Due to limited experience and randomness involving constructing information granules, an insufficient credible rules division could reduce the model's accuracy. This paper proposes a new rule-based modeling approach, which utilizes density-based spatial clustering of applications with noise (DBSCAN)-based information granules to construct the rules. First, bear in mind the advantages of density-based clustering, DBSCAN is proposed to generate data structures. Based on these data structures, two rule-based models are constructed: 1) models using DBSCAN clusters to construct granules and rules directly and 2) models generating subgranules in each DBSCAN cluster for rule formation. Experiments involving these two models are completed, and obtained results are compared with those generated with a traditional model involving fuzzy C-means-based granules. Numerical results show that the rule-based model, which builds rules from subgranules of DBSCAN structures, performs the best in analyzing system behaviors.
Keyword:
Density-based spatial clustering of applications with noise (DBSCAN)
fuzzy rules
granular output intervals
rule-based modeling
weighted median
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期刊
IF:
10.5
论文数:
1.1W
被引数:
5.0W
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