Speed control of general‐purpose engine with electronic governor | Zendy

Sawut Umerujan | Zendy; Tohti Gheyret | Zendy; Takigawa Buso | Zendy; Tsuji Teruo | Zendy

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Speed control of general‐purpose engine with electronic governor

Author(s) -

Sawut Umerujan,

Tohti Gheyret,

Takigawa Buso,

Tsuji Teruo

Publication year - 2012

Publication title -

electrical engineering in japan

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.136

H-Index - 28

eISSN - 1520-6416

pISSN - 0424-7760

DOI - 10.1002/eej.21130

Subject(s) - governor , crank , control theory (sociology) , matlab , controller (irrigation) , control engineering , signal (programming language) , nonlinear system , mechanical system , sliding mode control , control system , computer science , engineering , control (management) , mechanical engineering , electrical engineering , agronomy , physics , quantum mechanics , cylinder , artificial intelligence , biology , programming language , aerospace engineering , operating system

This paper presents a general‐purpose engine speed control system with an electronic governor in order to improve the current system with a mechanical governor, which shows unstable characteristics as a result of a change in mechanical friction or the A/F ratio (air–fuel ratio). The control system above has the problems that the feedback signal is only the crank angle because of cost, and the controlled object is a general‐purpose engine, which is strongly nonlinear. In order to overcome these problems, a system model is presented for dynamic estimation of the amount of air flow, and a robust controller is designed. In concrete terms, the proposed system includes a robust sliding‐mode controller using the feedback signal of only the crank angle, with a genetic algorithm applied to the controller design. Simulations and experiments performed using Matlab/Simulink show the effectiveness of our proposal. © 2012 Wiley Periodicals, Inc. Electr Eng Jpn, 179(2): 64–71, 2012; Published online in Wiley Online Library ( wileyonlinelibrary.com ). DOI 10.1002/eej.21130

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