| abstract |
A valve operating control apparatus for an internal combustion engine capable of switching an operation mode of a valve operating system at an optimal timing while suppressing a frequent switching feeling and ensuring a feeling of acceleration and improving drivability. provide. A valve operating control apparatus for an internal combustion engine (3) that controls the operation of a valve operating system including intake valves (IV1, IV2) and an exhaust valve (EV). Variable valve mechanism 21 that can be selectively switched between operation modes, operation mode switching determination means 2 that determines switching of the operation mode of the valve operating system, and variable valve mechanism 21 that is based on the determination of the operation mode switching determination means According to the switching suppression means 2 that suppresses the execution of switching of the operation mode by the load, the load detection means 60, 58, 2, 59 for detecting the loads AP, NE, ENGREQ of the internal combustion engine 3, and the load of the internal combustion engine 3, And a suppression degree setting means 2 for setting the suppression degree of execution of switching of the operation mode. [Selection] Figure 7 |