Abstract: A control apparatus is provided for a vehicle that includes (i) an engine serving as a drive power source, (ii) a motor/generator serving as the drive power source and (iii) a mechanically-operated transmission mechanism that constitutes a part of a power transmitting path between the drive power source and drive wheels of the vehicle. The control apparatus includes a shift control portion is configured, when an input torque inputted to the mechanically-operated transmission mechanism is to be controlled in process of a coasting shift-down action executed in the mechanically-operated transmission mechanism, to determine an upper limit value of the input torque inputted to the mechanically-operated transmission mechanism in the process of the coasting shift-down action, such that the determined upper limit value is lower during operation of the engine than during stop of the engine.

Abstract: A control apparatus for a vehicle includes a vehicle driving control portion configured to permit reverse driving of the vehicle in a reverse direction while the automatic transmission is placed in a forward-drive low-speed gear position, with the motor/generator being operated in a negative direction to generate a negative torque, and a transmission shifting control portion configured to implement a control for promotion to establish the forward-drive low-speed gear position, when switching from forward driving of the vehicle to its reverse driving of the vehicle is required in the process of a shifting action of the automatic transmission to the forward-drive low-speed gear position. The transmission shifting control portion implements the control for promotion to establish the forward-drive low-speed gear position, according to a state of control of the engaging-side coupling device to be brought into its engaged state for establishing the forward-drive low-speed gear position.

Abstract: A vehicle allocation system includes for allocating, through autonomous driving, an allocation vehicle selected from a plurality of selection target vehicles is provided. Each of the plurality of selection target vehicles includes an electronic controller configured to perform hydraulic pressure control learning and autonomous driving control of a power transmission device in which a plurality of shift stages are established by combination of a plurality of hydraulic engaging devices. The at least one processing circuitry is configured to select a vehicle in which a progress degree of the hydraulic pressure control learning is low as the allocation vehicle from the selection target vehicles, based on progress degrees of the hydraulic pressure control learning before the vehicle allocation.

Abstract: An electronic control unit configured to permit a vehicle to travel in an automated driving mode. The electronic control unit is configured to detect unauthorized access from an outside to an in-vehicle Local Area Network during the automated driving mode. The electronic control unit is configured to perform control to fix a gear position of an automatic transmission when the electronic control unit determines that unauthorized access from the outside occurs during the automated driving mode.

Abstract: A vehicle control apparatus includes a shift control portion is configured, when determining that a shift-down action to establish one of gear positions in a transmission mechanism by release of an engagement device and engagement of a one-way clutch, is to be executed during decelerating run of the vehicle, to initiate execution of the shift-down action to establish the one of the of gear positions after an input torque inputted to the transmission mechanism becomes not lower than a predetermined negative value. The predetermined negative value is a predetermined minimum value that becomes not lower than a certain value at a point of time at which the release of the engagement device is completed in process of the shift-down action. The certain value is a value of the input torque enabling the one-way clutch to be automatically engaged.

Abstract: A control device is provided for a vehicle which includes an electric motor that executes regeneration during deceleration of the vehicle and which performs manned running with at least one occupant in the vehicle and also unmanned running without any occupant in the vehicle. The control device is configured to cause the electric motor to execute the regeneration within a regeneration allowable range, such that the regeneration allowable range for the unmanned running of the vehicle is larger than the regeneration allowable range for the manned running of the vehicle. The regeneration allowable range is defined by, for example, an allowable maximum regenerative torque that is variable depending on a running speed of the vehicle upon the regeneration by the electric motor.

Abstract: A hybrid vehicle is equipped with an engine that is connected to a power split mechanism, a generator, an electric motor, and also a stepped transmission that is arranged between the electric motor and a drive shaft. An electronic control unit (an ECU) with which this hybrid vehicle is equipped revises a down line downward to make a downshift likely to occur when at least one of a prescribed generator condition and a prescribed electric motor condition is fulfilled. The generator condition includes that the temperature of the generator is equal to or higher than a first reference temperature and that an absolute value of a rotational speed of the generator decreases due to the making of the downshift. The electric motor condition includes that the temperature of the electric motor is equal to or higher than a third reference temperature.

Abstract: A control system of a power transmission system of a vehicle is provided. The power transmission system includes an electric motor for running the vehicle, and a mechanical speed change mechanism. The control system includes an electronic control unit. The electronic control unit is configured to: perform regeneration control of the electric motor for running the vehicle during coasting of the vehicle, such that regenerative torque of the electric motor for running the vehicle provides regenerative torque produced according to braking operation; perform shift control of the mechanical speed change mechanism according to a predetermined relationship; determine whether a rate of change of the regenerative torque is within a predetermined range; and when a downshift of the mechanical speed change mechanism is determined during coasting, execute the downshift under a condition that the rate of change of the regenerative torque is within the predetermined range.

Abstract: An engine, a transmission unit which is connected to the engine and is shifted by an engagement apparatus, and a differential unit which connects the transmission unit and a drive wheel are included. The differential unit includes a first rotary element connected to an output element of the transmission unit, a second rotary element connected to a first rotary machine, and a third rotary element connected to the drive wheel. When an output from the first rotary machine is limited, the engagement apparatus is slipped and an operation point of the engine is changed. The change of the operation point can cause an increase in torque of the engine.

Abstract: A control apparatus for a vehicle provided with a motor/generator functioning as a drive power source, and a mechanically operated transmission mechanism which constitutes a part of a power transmitting path between the motor/generator and drive wheels, the control apparatus including a motor/generator control portion configured to implement a regenerative torque control of the motor/generator so as to generate a regenerative torque according to a braking operation by an operator of the vehicle in a decelerating run of the vehicle, and a transmission shifting control portion configured to initiate a shift-down action of the mechanically operated transmission mechanism after a rate of change of the regenerative torque has been held within a predetermined range for at least a predetermined length of time, where a determination to implement the shift-down action is made in the process of the regenerative torque control of the motor/generator according to the braking operation.

Abstract: A control device of a vehicle includes an electronic control unit configured to selectively execute a first operation control for traveling based on a driving operation of a driver and a second operation control for traveling by setting a target traveling state independently of the driving operation of the driver and automatically performing acceleration or deceleration based on the target traveling state, and set an input voltage of an inverter set in the second operation control to be lower than the input voltage of the inverter set in the first operation control when an operating state of a rotating device represented by an output torque and a rotational speed of the rotating device is not changed.

Abstract: A driving device for a hybrid vehicle includes a transmission unit configured to output a rotation of an engine while changing rotating speed of the engine; and a first rotating electric machine. The first rotating electric machine is configured to supply a torque for increasing the rotating speed of the engine at the time of starting up of the engine to the engine through the transmission unit. At the time of starting up of the engine, the gear shift stage of the transmission unit is switched to an overdrive state. Thus, a torque sufficient for starting up of the engine can be supplied to the engine, and hence the engine can be appropriately started up.

Abstract: An electronic control unit is configured to make an engine start-up threshold at a time of second operation control smaller than an engine start-up threshold at a time of first operation control. Therefore, the engine stop time at the time of the first operation control can be made long. In consequence, the vehicle efficiency can be enhanced in a vehicle in which the first operation control and the second operation control can be selectively performed.

Abstract: A power transmission device includes: an engine; a rotary machine; and an oil pump connected to each of a rotary shaft of the engine and a rotary shaft of the rotary machine through a one-way clutch. The power transmission device is configured to allow the rotary machine to rotate at a rotational speed higher than the rotational speed corresponding to a speed of the engine and lower than the rotational speed corresponding to an idling speed of the engine at the time of startup of the engine.

Abstract: An electronic control unit is configured to, when the electronic control unit determines that any one of a first condition and a second condition is satisfied, preferentially execute lower limit speed ratio control. The first condition is a condition that, after the electronic control unit starts shift prohibition control, a wheel lock has occurred before a condition for cancelling the shift prohibition control is satisfied. The second condition is a condition that, after the electronic control unit starts the lower limit speed ratio control, a wheel spin has occurred before a condition for cancelling the lower limit speed ratio control is satisfied.

Abstract: A control apparatus (80; 122) for a hybrid vehicle (10; 100) provided with an engine (14; 102) and an electric motor (MG2; MG) which function as a drive power source, and an automatic transmission (20; 110) which is placed in a selected one of speed positions with engagement of selected at least one of coupling devices (CB), the control apparatus including: an input torque control portion (84) to control the electric motor for controlling an input torque (Ti) transmitted to the automatic transmission (20; 110) during a shifting action of the automatic transmission, on the basis of an output torque (Te) of the engine and a torque (Tcb) transmitted through the coupling devices, such that a value representing a rotating state of an input rotary member (30; 124) of the automatic transmission coincides with a target value.

Abstract: A control apparatus for a hybrid vehicle provided with an engine, a differential mechanism having a first rotary element to which the engine is operatively connected, a second rotary element to which a first motor/generator is operatively connected, and a third rotary element to which an intermediate power transmitting member is connected, a second motor/generator operatively connected to the intermediate power transmitting member, and an automatic transmission which constitutes a part of a power transmitting path between the intermediate power transmitting member and drive wheels and in which a shifting action is performed by selective engagement of a plurality of coupling devices, the control apparatus comprising: a hybrid control portion for controlling an output torque of the first motor/generator and an output torque of the second motor/generator during the shifting action of the automatic transmission on the basis of an output torque of the engine and a transmitted torque of the coupling devices, such t

Abstract: A vehicle control apparatus includes: a transmission shifting control portion configured to implement a shifting action of a step-variable transmission by controlling a releasing coupling device and an engaging coupling device; a hybrid control portion configured to control an output torque of a first motor/generator and an output torque of a second motor/generator, based on an output torque of an engine and a transmitted torque to be transmitted through an initiative coupling device, such that a rotational acceleration value of the second motor/generator and a rotational acceleration value of the engine are changed along respective target trajectories during the shifting action; and a target-trajectory setting portion configured to set the target trajectories, based on a maximum charging amount of an electric power that is chargeable to an electric power storage device and a maximum discharging amount of the electric power that is dischargeable from the electric power storage device.

Abstract: A control apparatus for a hybrid vehicle provided with an engine and a motor/generator functioning as a drive power source, an automatic transmission which constitutes a part of a power transmitting path between the drive power source and drive wheels and in which a shifting action is performed by selective engagement of a plurality of coupling devices, and an electric storage device giving/receiving electric power to/from the motor/generator, the control apparatus comprising: a hybrid control portion configured to control an input torque to the automatic transmission by the motor/generator during a shifting action of the automatic transmission on the basis of an output torque of the engine and a transmitted torque of the coupling devices, such that a value representing a rotating state of an input rotary member of the automatic transmission coincides with a target value; a racing determining portion configured to determine whether a rotating speed of the engine is predicted to exceed a predetermined rotating

Abstract: A control apparatus (80) for a vehicle (10; 100) having an electric motor (MG2; MG), and a step-variable transmission (20; 110) which is selectively placed in a plurality of speed positions with engagement of at least one of a plurality of coupling devices (CB), wherein the vehicle runs rearward with a reverse drive torque (TmR) of the electric motor generated in a forward-drive low-speed position of the transmission. The control apparatus includes: a first shift control portion (86) operated during a coasting shift-down action of the transmission to the low-speed position and configured to temporarily increase the forward drive torque (TmF) of the electric motor above its required value, for thereby temporarily increasing an input torque of the transmission to raise its input speed toward a synchronizing speed in the low-speed position.