Fuzzy Markov Predictor with First and Second-Order Dependences

Marcelo Andrade TeixeiraGerson Zaverucha

We present two new versions of the Fuzzy Markov Predictor (FMP) with different dependences among the inputs: first-order and second-order dependences. The FMP is a modification of the Hidden Markov Model in order to enable it to predict numerical values. The FMP can be seen as an extension of the Fuzzy Bayes Predictor (FBP). These hybrid systems are applied to the task of monthly electric load forecasting and successfully compared with one fuzzy system, and two traditional forecasting methods, Box-Jenkins and Winters exponential smoothing.

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