| abstract |
In a control system for a hybrid prime mover having a hybrid prime mover in which an internal combustion engine and an electric motor are connected via a clutch and having a mode in which the internal combustion engine is stopped at least under a predetermined deceleration condition, deterioration due to overheating of an exhaust purification catalyst is suppressed. To do. [Solution] When the exhaust gas purification catalyst temperature Tcat is higher than the first predetermined temperature TcatH under the deceleration condition of the accelerator opening 0, the clutch is kept connected to prohibit the stop of the internal combustion engine, and the second predetermined temperature When TcatHH is exceeded, the fuel cut is prohibited to cool the catalyst, and when there is no fuel cut request or when the clutch is disengaged, the motor is functioned as a generator to perform power regeneration. [Selection] Figure 5 |