POWER PLANT WITH EXHAUST GAS RECIRCULATION SYSTEM AND CONTROLLING METHOD FOR EXHAUST GAS RECIRCULATION

摘要

An embodiment of the present invention relates to a power device including an exhaust gas recirculation system and a method for controlling exhaust gas recirculation, wherein a power device including an exhaust gas recirculation system according to an embodiment of the present invention includes an engine including a cylinder, and the engine. A connected intake manifold, a supercharger supplying compressed air to the intake manifold, an exhaust manifold connected to a cylinder of the engine, and exhaust gas discharged from the cylinder of the engine to the exhaust manifold to the intake manifold A recirculation flow path for recirculation, an intake temperature sensor for measuring the temperature of the intake manifold, an intake pressure sensor for measuring the pressure of the intake manifold, and a flow rate of fluid supplied to the intake manifold by the supercharger Flow sensor and the flow rate of the fluid filling the cylinder of the engine from the intake manifold It includes a cylinder intake flow calculation unit for calculating the control unit for calculating the flow rate of the exhaust gas recirculated through the recirculation flow path through the information provided by the intake temperature sensor, the flow sensor, the intake pressure sensor and the cylinder intake flow calculation unit Includes.