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Title

Sterownik wtryskiwaczy paliwa dla silników o zapłonie iskrowym z bezpośrednim wtryskiem paliwa

Authors

Title variant

EN Current controller of the fuel injectors for internal combustion engine with direct fuel injection

Year of publication

2015

Published in

Poznan University of Technology Academic Journals. Electrical Engineering

Journal year: 2015 | Journal number: Issue 81

Article type

scientific article

Publication language

polish

Keywords
PL
  • wtryskiwacz paliwa
  • bezpośredni wtrysk paliwa
  • elektromagnes
Abstract

PL W artykule opisano zasadę sterowania wtryskiwaczem paliwa do silników o zapłonie iskrowym z bezpośrednim wtryskiem paliwa. Omówiono sposób otwierania wtryskiwacza ze szczególnym uwzględnieniem kształtu impulsu prądowego. Artykuł zawiera schemat sterownika regulującego prąd wtryskiwacza paliwa przy wykorzystaniu układu mikroprocesorowego. Szczególną uwagę zwrócono na możliwość zasilenia wtryskiwacza wyższym napięciem, co korzystnie wpływa na jego działanie. W pracy przedstawiono wyniki symulacji zaprojektowanego sterownika przeprowadzone w programie PSpice.

EN In this article the controller for direct fuel injection has been proposed. Presented controller is based on a microprocessor system, which allows a precise control of electromagnet's current. One of the main problems in the direct injection is excessive heating in the injector due to the large energy losses in the windings of electromagnet. It is also important to open the injector at a specific time, at the beginning of the power stroke. Presented solution allows to power injection at the time of opening with a significantly higher voltage than typically used. In introduced circuit shorter injection time were achieved. This affects the better control of the opening of the injection and reduction of energy losses in the windings of electromagnet. This paper presents PSpice simulation results of waveforms of the injector current.

Pages (from - to)

197 - 203

Presented on

Computer Applications in Electrical Engineering 2015, 20-21.04.2015, Poznań, Poland

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public

Ministry points / journal

9

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