Simulation of the Diesel Engine Rotational Speed Automatic Control System

In this work, the problem of improving the quality of controlling the diesel engine crankshaft speed is considered. The principles that govern the control of this parameter in internal combustion engines are described. The advantages of the proportional-integral-differential (PID) control principle are shown. Calculations of the influence of the PID controller structure on the dynamic characteristics of the diesel engine rotational speed automatic control system are performed. The transient processes of acceleration–inhibition and load-dropping are investigated using a KamAZ-740 engine of a 100 kW diesel generator. Transient processes are achieved for different values of the proportional, integral and differential components of the PID control law. The influence of these coefficients on the quality indicators of the regulatory process such as the duration of the transient process and overshoot is evaluated.

References

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[35] Markov V.A., Pozdnyakov E.F., Shlenov M.I. The system of automatic control of the rotational speed of the crankshaft of a diesel engine. Avtomobilʹnaya promyshlennost’, 2007, no. 10, pp. 12–14 (in Russ.).

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[37] Khryashchev Yu.E., Tikhomirov M.V., Epaneshnikov D.A. Algoritmy upravleniya dvigatelyami vnutrennego sgoraniya [Algorithms for the control of internal combustion engines]. Yakutsk, YSTU publ., 2014. 204 p.

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[40] Shegal A.A. Primenenie programmnogo kompleksa Multisim dlya proektirovaniya ustroystv na mikrokontrollerakh: laboratornyy praktikum [The use of software Multisim for designing devices on microcontrollers: a laboratory workshop]. Ekaterinburg, UrFU publ., 2014. 118 p.

[41] Besperstov Eh.A. Issledovanie logicheskikh skhem s ispolʹzovaniem programmnogo kompleksa Multisim: laboratornyy praktikum [The study of logic circuits using the software Multisim: laboratory workshop]. Sankt-Petersburg, VOENMEH publ., 2006. 64 p.

[42] Pozdnyakov E.F. Analiz ehffektivnosti ispol’zovaniya regulyatora chastoty vrashcheniya s posledovatelʹno vklyuchennymi korrektiruyushchimi zven’yami v dizel’nom dvigatele dizel’-generatornoy ustanovki. Kand. Diss. [Analysis of the effectiveness of the use of the speed controller with successively included corrective units in a diesel engine of a diesel generator set. Cand. Diss.]. Moscow, Bauman Press, 2009. 150 p.

[43] Bokovikov A.N. Ispol’zovanie turbokompressora s turbinoy izmenyaemoy geometrii dlya povysheniya ehkologicheskikh i ehkonomicheskikh pokazateley dizelya. Kand. Diss. [Using a turbocharger with a turbine with variable geometry to improve the environmental and economic performance of a diesel engine. Cand. Diss.]. Moscow, Bauman Press, 2011. 171 p.

[44] Popov E.P. Teoriya lineynykh sistem avtomaticheskogo regulirovaniya i upravleniya [The theory of linear systems of automatic regulation and control]. Moscow, Nauka publ., 1989. 304 p.

[45] Popov E.P. Teoriya nelineynykh sistem avtomaticheskogo regulirovaniya i upravleniya [The theory of nonlinear systems of automatic regulation and control]. Moscow, Nauka publ., 1988. 256 p.

[46] State Standard 55231—2012. Reciprocating internal combustion engines — Performance — Part 4: Speed governing. Moscow, Standartinform publ., 2012. 14 p.