To provide a control device and a control method for effectively re-entering an engine into an exhaust gas recirculation mode.
The control device and the control method for the internal combustion engine (engine) on which the exhaust gas recirculation system is mounted predict an intake manifold critical temperature (dew point) at which condensation occurs in the entry of the engine into the exhaust gas recirculation. The control device calculates the intake manifold critical temperature (IMT_critical) as the function of a detected or assumed value by processing an equation in which variables are replaced with these values. The control device instructs the adjustment of the exhaust gas recirculation operation in response to the calculation, preferably after the actual intake manifold temperature becomes higher than the IMT_critical for a specified time.
RAMAMURTHY RAVISHANKAR
VADUVA LAURENTIU
Fumiaki Otsuka
Shishido Kaichi
Village shrine Atsuo
Disciple Maru Ken
Ino Sato
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