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Development of Highly Functional ECU for Next Generation of Inline-four Engines

Article of Honda R&D Technical Review Vol.26 No.1

Summary

We developed an engine control unit having a new functional composition, with the goal of applying it to the next generation of direct-injection engines, portinjection engines, and hybrid electric vehicle engines. To achieve these functions, the heat generated by the components and the number of parts were reduced. As a result, we decreased generated heat and reduced the number of parts by 30% compared to the conventional
engine control unit.
Also, in order to reduce the minimum injection quantity in direct-injection engines, feedback control was performed by detecting the close timing of the injector, and we reduced the minimum value of the injector drive signal time by 46% compared to the conventional system.

Reference

(1) http://www.env.go.jp/air/report/h21-01/ref3-1.pdf
(2) http://www.jsae.or.jp/~dat1/vision/page1.html
(3) http://www.jama.or.jp/lib/jamagazine/200812/06.html
(4) Kusakabe, R., Abe, M., Ehara, H., Ishikawa, T., Yasukawa, Y.: Development of Simulator for Direct-Injection Gasoline Engines, JSAE Annual Congress Proceedings, No. 42-13, p. 1-6 (2013)

Author (organization or company)

Makoto MURAKAMI(Automobile R&D Center)、Tatsuo YAMANAKA(Automobile R&D Center)、Yasumasa KAITANI(Automobile R&D Center)

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