Structural-parametrical synthesis of electronic control unit of fuel feeding system of vehicle diesel engine

Authors

DOI:

https://doi.org/10.15587/1729-4061.2017.92686

Keywords:

transport diesel engine, all-mode fuel feed regulator, electronic unit, invariance of fuel feed system

Abstract

We draw a conclusion that in the fuel feed system of the transport diesel engine, it is expedient to use a two-channel electronic control unit. The selection of appropriate channel of the electronic control unit is done by the driver depending on road conditions. This scheme of electronic unit makes it possible to minimize both dynamic errors, which appear during motion of vehicle in the rough terrain, when there is a significant change in load within a short time interval, and the static errors, which appear when moving along the routes with high-quality road surface, but with lengthy ascends and descents.

The proposed fuel feed system is in a certain sense universal. The channel, providing high dynamic accuracy of fuel feed control, contains ae sensor of angular velocity of crankshaft rotation of the diesel engine, and the sensors of position of fuel pump lath and the pedal of fuel feed control, the outputs of which are connected to inputs of the electronic unit, which implements a linear combination of the input signals of sensors. The channel that provides for invariance of the fuel feed system to the action of external disturbances realizes a control algorithm, which uses, in addition to the output signals of the above-indicated sensors, information about the displacement velocity of the fuel pump lath of the diesel engine. High accuracy and interference protection of the closed fuel feed system may be achieved by using a digital electronic control unit with the implementation of digital Butterworth and Lanczos low-frequency filters.

Author Biographies

Tatyana Aleksandrova, National Technical University «Kharkiv Polytechnic Institute» Bahaliya str., 21, Kharkiv, Ukraine, 61002

Doctor of Technical Sciences, Associate Professor

Department of system analysis and management

Artyom Lazarenko, National Technical University «Kharkiv Polytechnic Institute» Bahaliya str., 21, Kharkiv, Ukraine, 61002

PhD, Assistant

Department of information technologies and systems of wheeled and tracked vehicles named A. Morozov

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Published

2017-02-21

How to Cite

Aleksandrova, T., & Lazarenko, A. (2017). Structural-parametrical synthesis of electronic control unit of fuel feeding system of vehicle diesel engine. Eastern-European Journal of Enterprise Technologies, 1(9 (85), 34–44. https://doi.org/10.15587/1729-4061.2017.92686

Issue

Vol. 1 No. 9 (85) (2017): Information and controlling system

Section

Information and controlling system

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Copyright (c) 2017 Tatyana Aleksandrova, Artyom Lazarenko

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