Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Nonlinear Identification of Electronic Brake Pedal Behavior Using Hybrid GMDH and Genetic Algorithm in Brake-By-Wire System

  • Bae, Junhyung (Dept. of Information and Communication Engineering, DGIST) ;
  • Lee, Seonghun (Convergence Research Center for Future Automotive Technology, DGIST) ;
  • Shin, Dong-Hwan (Convergence Research Center for Future Automotive Technology, DGIST) ;
  • Hong, Jaeseung (Convergence Research Center for Future Automotive Technology, DGIST) ;
  • Lee, Jaeseong (Convergence Research Center for Future Automotive Technology, DGIST) ;
  • Kim, Jong-Hae (Dept. of Electronic and Electrical Engineering, Catholic University of Daegu)
  • Received : 2016.05.26
  • Accepted : 2017.02.16
  • Published : 2017.05.01
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Abstract

In this paper, we represent a nonlinear identification of electronic brake pedal behavior in the brake-by-wire (BBW) system based on hybrid group method of data handling (GMDH) and genetic algorithm (GA). A GMDH is a kind of multi-layer network with a structure that is determined through training and which can express nonlinear dynamics as a mathematical model. The GA is used in the GMDH, enabling each neuron to search for its optimal set of connections with the preceding layer. The results obtained with this hybrid approach were compared with different nonlinear system identification methods. The experimental results showed that the hybrid approach performs better than the other methods in terms of root mean square error (RMSE) and correlation coefficients. The hybrid GMDH/GA approach was effective for modeling and predicting the brake pedal system under random braking conditions.

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References

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