| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress degradation in combustion caused by secular changes in an EGR valve. <P>SOLUTION: An EGR control device 100 is mounted to a hybrid vehicle 1 mounted with an internal combustion engine 11 including an EGR device 22 which has an EGR valve 222 whose opening is determined in accordance with the number of steps relating to a stepping motor and recirculates at least a part of exhaust gas. The EGR control device includes a limiting means 21 which limits the number of steps relating to the stepping motor when a driving system relating to the hybrid vehicle is in a resonance region in a light load state of the internal combustion engine. <P>COPYRIGHT: (C)2013,JPO&INPIT |
