Oil injection transition control method for direct injection engine from starting state to idling state
A technology of engine starting and engine idling, applied in engine control, fuel injection control, machine/engine, etc., can solve problems such as unstable speed, affecting engine service life, engine output torque fluctuations, etc., and achieve the effect of avoiding sudden changes in speed
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[0008] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0009] It can be known from the accompanying drawings of the present invention that the present invention discloses a fuel injection transition control method from start to idle of a direct injection engine, which increases the fuel injection start angle SOI and The transition control process of the fuel injection end angle EOI avoids the jump of about 60°CA in the fuel injection timing of the engine, and avoids the instability of the engine speed during the process of changing the engine state.
[0010] In the present invention, when the engine starting state transitions to the engine idling state...
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