The control strategy for improving the emission performance of engine transition condition is explored to enhance the dynamic response characteristics of the electronic throttle control system of automobile engines. A strong nonlinear relationship exists among the return spring, gear backlash, throttle shaft, and throttle body friction of the electronic throttle electromechanical system, thereby affecting the dynamic response characteristics of the engine electronic throttle under various operating conditions. On the basis of the nonlinear electronic throttle electromechanical system, a corresponding mathematical model is established to study the electronic throttle control system. Then fuzzy and immune feedback control algorithms are applied to the motion control of the electronic throttle system on the basis of intelligent control because of its advantages of strong antidisturbance ability, strong robustness, and applicability to nonlinear control systems. The immune feedback control algorithm is characterized by a rapid response in the control system. The influence of nonlinearity of the electronic throttle system on the control effect is discussed in this paper. The fuzzy immune PID controller is designed on the basis of the classical control algorithm PID for control precision and response of the system. The fuzzy control algorithm’s adaptability to the nonlinear system improves the response performance of the electronic throttle system, and the immune feedback algorithm enhances the response efficiency of the control system. The response characteristics of electronic throttle is further explored. Experimental results show that the response speed of the fuzzy immune PID control system and speed adjustment of the dynamic characteristics of indicators have clear advantages over those of the PID and fuzzy PID control system. The controller is conducive to the improvement of the electronic throttle response characteristics. Improving the power, economy, and emissions of vehicles has important significance.


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    Titel :

    Immune Feedback Strategy in an Electronic Throttle Control System


    Beteiligte:
    Sun, Jian-min (Autor:in) / Zheng, Peng-tao (Autor:in)


    Erscheinungsdatum :

    01.09.2019


    Format / Umfang :

    82019-01-01 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt



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