Abstract
The electronic throttle control (ETC) for a gasoline engine is a typical nonlinear plant because of its nonlinear spring and model-parameter changes caused by external environmental variables. In this paper, a fuzzy proportional-integral-derivative (PID) control strategy is proposed in order to improve the responsiveness of ETC. In the fuzzy-PID scheme, the input variables are the error signal and its derivative, and the output variable is PID gains expressed in terms of fuzzy rules. In this manner, the fuzzy-PID controller has more flexibility and capability than conventional ones. A novel technique to tune the fuzzy rules of fuzzy-PID controller is proposed using a harmony search algorithm, which can search the optimal PID gains for the plant. Simulation and experiment results have shown the effective performance of the proposed controller.









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Acknowledgments
The authors would like to acknowledge the support of the Specialized Research Fund for the Doctoral Program of Higher Education of China (No. 20090161120020), China Postdoctoral Science Foundation Funded Project (No. 20100480937), and the Fundamental Research Funds for the Central Universities and Hunan University.
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Wang, H., Yuan, X., Wang, Y. et al. Harmony search algorithm-based fuzzy-PID controller for electronic throttle valve. Neural Comput & Applic 22, 329–336 (2013). https://doi.org/10.1007/s00521-011-0678-3
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DOI: https://doi.org/10.1007/s00521-011-0678-3