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1. (WO2018100698) METHOD AND DEVICE FOR CONTROLLING STARTING OF ENGINE

Pub. No.:    WO/2018/100698    International Application No.:    PCT/JP2016/085639
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Dec 01 00:59:59 CET 2016
IPC: F02D 29/02
F02D 41/06
F02D 45/00
F02P 5/15
Applicants: MAZDA MOTOR CORPORATION
マツダ株式会社
Inventors: FUKI, Kanae
冨喜 加奈恵
TAKAHASH, Kotaro
▲高▼橋 康太郎
KOBAYASHI, Toru
小林 徹
SUGANO, Hiroshi
菅野 宏
TATEISHI, Masahiro
立石 昌宏
KARATSU, Ryohei
唐津 良平
MIYAHIGASHI, Takamitsu
宮東 孝光
YAMAZAKI, Jiro
山▲崎▼ 二郎
Title: METHOD AND DEVICE FOR CONTROLLING STARTING OF ENGINE
Abstract:
During the starting of an engine, a fuel injection amount is set to a jump-over injection amount (F2) when the engine speed acquired with each cycle is equal to or greater than a crossover determination value (R0) set to a value that is lower by a prescribed reference value than a lower limit value (R1) of a resonant speed range (Br) of a powertrain (PT), and the fuel injection amount is set to a start-out injection amount (F1) that is less than the jump-over injection amount (F2) when the engine speed is less than the crossover determination value (R0). Due to this feature, the engine speed is increased all at once to at least the resonant speed range after being brought near a prescribed range relative to the lower limit value of the resonant speed range of the powertrain in a process that increases the engine speed by executing a combustion cycle, and vibration occurring in the powertrain during the starting of the engine is minimized.