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2019 IEEE International Conference on Information Technologies

Identification of Non-linear Dynamic System

Ventseslav Shopov
Vanya Markova
Institute of Robotics, Bulgarian Academy of Science
Bulgaria
Abstract:

The behaviour of non-linear dynamic systems is studied. Through numerical experiments the coefficients of the non-linear differential equations are identified. In this paper, the authors present an investigation of the modelling and prediction abilities of a traditional Recurrent Neural Network (RNN) and a Long Short-Term Memory (LSTM) RNN, when the input signal has a chaotic nature. The effectiveness of both networks in modelling the Lorenz System is studied. And a comparison of their respective one-step ahead predictions is made.

Key words:
Recurrent Neural Network
Long Short-Term Memory component
Lorenz System