An engine controller inhibits a fuel cut when it is predicted that a lockup clutch is released after elapse of a predetermined period of time, at the time of the starting of the fuel cut. Specifically, engine controller is configured to predict (calculate) the vehicle speed after a predetermined…
A control device and method controls a vehicle having an internal combustion engine connected to an automatic transmission via a torque converter with a lockup device. The torque of the internal combustion engine is limited the by a torque limit value based on a speed difference between an input…
A drive device for a vehicle that can prevent excessive increases in an engine rotation speed at startup of a vehicle provided with a manual clutch is provided. The drive device includes a first obtaining portion obtaining a clutch torque (Tc) generated by a clutch (3), a second obtaining portion…
A clutch switch (56) and an electronic control unit (61) are provided in a vehicle (11) in which transfer of toque output from an engine (12) to a manual transmission (39) can be interrupted by disengaging a clutch (38), provided between the engine (12) and the manual transmission (39), based on an…
A method and device for vehicle control are proposed. When it is judged that a transmission is in an operation state (Step S200) and the current state is not a creep driving state (Step S202), it is determined that a normal gear shift is being performed. Then, an anti-jerk function is stopped (Step…
An air compressor (12b) starts to operate when fuel to an internal combustion engine (1) is cut off and the engine (1) and a transmission (4) are directly engaged. Upon receiving a drive request signal, a controller (21) outputs a lockup clutch disengaging request. The controller (21) resumes fuel…
A vehicular transmission system (10) including a centrifugally operated master friction clutch (20) for drivingly coupling an engine (18) to an input shaft (28) of a mechanical transmission (12). The clutch (20) includes a resilient member (132) axially interposed between an axially movable plate…
An improved method for controlling a powertrain is disclosed in which the method estimates an input torque to a continuously variable transmission 11. The method includes calculating torque adaptation coefficients when the torque converter clutch is unlocked, and an accurate torque value can be…
A method is presented for correcting estimates of engine output torque. Engine output torque estimates are corrected when the accessory is disengaged from the engine (610). In one example, these corrections are made when engine output torque is known to be substantially zero from torque converter…