Abstract: A control device that that performs starting control for an internal combustion engine. A first transition control during which a first engagement device is caused to transition from a disengaged state to a slipping engagement state is started after the starting request for the internal combustion engine is made. A rotational speed control in which the rotary electric machine is controlled such that a rotational speed of the rotary electric machine becomes a target rotational speed is started before the first engagement device transitions from the disengaged state to the slipping engagement state. A rotational speed control is terminated and torque control in which the rotary electric machine is controlled after the first engagement device transitions from the disengaged to the slipping engagement state, and the second engagement device is caused to transition from a direct engagement state to a slipping engagement state after the torque control is started.

Abstract: A control device for a hybrid vehicle for use in a hybrid vehicle in which a first clutch, a rotary electric machine, and a second clutch are disposed on a power transfer path from an engine to wheels sequentially from the engine side. After power generation control in which the engine is driven with the first clutch directly engaged and with the second clutch disengaged is suspended on the basis of detection of the starting request from a state in which the vehicle is stationary with the power generation control performed, the second clutch control means controls the second clutch from a disengaged state to a slip engagement state, the first clutch control means controls the first clutch from an engaged state to a slip engagement state, and the rotary electric machine control means reduces the target revolving speed.

Abstract: A control device for a vehicle drive device having a speed change mechanism that attains a predetermined shift speed by engaging multiple engagement elements. The control device predicts an amount of heat generation and determines whether any jumping shift from the current shift speed to the shift speed that is the multiple shift speeds higher or lower than the current shift speed can be permuted or not between the current shift speed and the target shift speed, and if the jumping shift can be permitted, the control unit performs the jumping shift and controls the speed change mechanism so as to shift the shift speed from the current shift speed to the target shift speed.

Abstract: A control device for a vehicle drive device. A start control section executes internal combustion engine start control. A start slip control section executes start slip control of bringing one of the plurality of shift engagement devices into a slip engaged state. An intended engagement device deciding section that decides as an intended engagement device, based on a set determination speed. The intended engagement device deciding section decides as the intended engagement device a special engagement device that is the shift engagement device having been in the direct-coupling engaged state in order to form the reference shift speed, and that is disengaged when a transition is made to a special shift speed on an opposite side of the specific shift speed from the reference shift speed in order of speed ratios of the plurality of shift speeds.

Abstract: A speed change ECU, in a case in which any one of a second speed to a fourth speed is established when the operation of the engine is stopped by an idle stop control, determines whether a rotation number of the engine is less than a synchronous rotation number of an input shaft that is defined based on a gear ratio (speed change ratio) ?1 at a first speed and a vehicle speed, in a case in which it is determined that the rotation number is equal to or greater than the synchronous rotation number, does not disengage any one of a brake, a clutch, and a clutch serving as a second engagement element, and in a case in which the rotation number is less than the synchronous rotation number, disengages any one of the brake, the clutch, and the clutch serving as the second engagement element.

Abstract: A hybrid drive device having an input member drivingly coupled to an internal combustion engine. Control is performed so that motor torque output by the motor produces at least a part of inertia torque needed for rotation change of input-related members during the shifting. The control device limits the motor torque in an inertia phase during the shifting to a set value that has been set to or below a value having a smaller absolute value between values of performance limit torque of the motor at times before and after the shifting, sets a target input rotational speed of the input member during the shifting, and controls the engagement state of the friction engagement elements that control the rotation change of the input-related members in the inertia phase so as to generate the inertia torque calculated from the target input rotational speed in the input-related members.

Abstract: A control device that controls a drive device for a power transfer path, the control device configured with a loss torque estimation section that estimates the value of loss torque due to drag resistance of a first engagement device, with the first engagement device in a disengaged state. A specific-slip hydraulic pressure control section sets a hydraulic pressure to be supplied to a second engagement device such that a transfer torque capacity of the second engagement device becomes a capacity corresponding to estimated input torque, which is determined as a difference between output torque of the rotary electric machine and the estimated loss torque. This is performed in the event that specific slip control, in which the second engagement device is controlled to a slip state from a state with the first engagement device in the disengaged state and with the second engagement device in a completely engaged state, is executed.

Abstract: A control device that controls a vehicle drive device in which a first engagement device, a rotary electric machine, and a second engagement device are arranged in this order from an internal combustion engine on a power transmission path that connects the internal combustion engine to wheels. The control device is configured to determine an operation stop of the internal combustion engine in a state in which torque is transmitted from the internal combustion engine to the wheels, the control device executes rotational speed control that controls output torque of the rotary electric machine such that a rotational speed of the rotary electric machine approaches a target rotational speed and executes torque-down control that causes output torque of the internal combustion engine to decrease.

Abstract: A control device configured to control a vehicle. When the required driving force is equal to or less than a control judgment value, the shift control section judges that an implementing condition of engagement limited downshift control is met, starts transition control to cause the release-side engagement device to transition to a non-direct-coupled engagement state and, after the release-side engagement device transitions to a non-direct-coupled engagement state, starts increasing rotation speed control to control rotation speed of the input member to be higher than synchronized rotation speed, starts differential rotation speed control to control the rotation speed to be higher than the synchronized rotation speed, and prohibits engagement of the engagement-side engagement device until it becomes higher than the synchronized rotation speed.

Abstract: A control device that controls a vehicle drive device. A starting control section executes internal combustion engine starting control in which the internal combustion engine in a stationary state is started while causing the disconnecting engagement device to transition from a disengaged state to a direct engagement state. A timing decision section that decides, on the basis of a rotational speed of the internal combustion engine, a supply start timing to start supply of a hydraulic pressure to a specific engagement device, which is one of the plurality of shifting engagement devices and is caused to transition from a disengaged state to a direct engagement state in order to establish a target shift speed for the speed change mechanism after a change, in the case where the target shift speed is changed during execution of the internal combustion engine starting control.

Abstract: A control device for a vehicle. A shift assist control section executes shift assist control of increasing a rotational speed of an input-side rotating member of the speed change mechanism. A possibility determining section that determines whether or not the rotating electrical machine can output required input torque. A mode selecting section that selects one shift mode from a first shift mode and a second shift mode that is different from the first shift mode in at least one of a condition for starting the downshift and processing. A torque compensating section that, if it is determined that the rotating electrical machine cannot output the required input torque, compensates for a shortfall in the required input torque in the shift assist control by using at least one of output torque of the internal combustion engine and torque that is transferred by the shift engagement device according to the shift mode.

Abstract: A vehicle transmission apparatus having a starting engagement friction element, which has friction plates and a hydraulic servo including a piston that is moved according to a supplied oil pressure to press the friction plates, which is controlled to be engaged when a vehicle is started by using at least a driving force of the internal combustion engine, and which transfers creep torque. A control device capable of receiving an accelerator operation amount signal and capable of outputting a command value that controls the oil pressure. The control device executes temporary increase control of temporarily increasing the command value, when the accelerator operation amount signal is turned on from a state where the accelerator operation amount signal is off and the command value is output so that the starting engagement friction element transfers the creep torque.

Abstract: A hybrid drive device having an input member drivingly coupled to an internal combustion engine. Control is performed so that motor torque output by the motor produces at least a part of inertia torque needed for rotation change of input-related members during the shifting. The control device limits the motor torque in an inertia phase during the shifting to a set value that has been set to or below a value having a smaller absolute value between values of performance limit torque of the motor at times before and after the shifting, sets a target input rotational speed of the input member during the shifting, and controls the engagement state of the friction engagement elements that control the rotation change of the input-related members in the inertia phase so as to generate the inertia torque calculated from the target input rotational speed in the input-related members.

Abstract: A control device for a vehicle drive device. A start control section executes internal combustion engine start control. A start slip control section executes start slip control of bringing one of the plurality of shift engagement devices into a slip engaged state. An intended engagement device deciding section that decides as an intended engagement device, based on a set determination speed. The intended engagement device deciding section decides as the intended engagement device a special engagement device that is the shift engagement device having been in the direct-coupling engaged state in order to form the reference shift speed, and that is disengaged when a transition is made to a special shift speed on an opposite side of the specific shift speed from the reference shift speed in order of speed ratios of the plurality of shift speeds.

Abstract: A shift control apparatus controlling a stepped transmission. The apparatus is configured with a gear ratio setting unit, and a shift speed change determining unit. A shift speed change predicting unit predicts in advance a change of shift speed by the shift speed change determining unit based on the set gear ratio, a rate of change in the set gear ratio, and an engagement preparation time which is a time needed for engagement preparation of the friction engagement element. A shift control unit controls a hydraulic actuator so that engagement preparation of a friction engagement element to be engaged is performed when a change of shift speed is predicted, and controls the hydraulic actuator so that a hydraulic pressure needed for engaging the friction engagement element is supplied to a hydraulic servo when a change of shift speed is determined by the shift speed change determining unit.

Abstract: A control device that that performs starting control for an internal combustion engine. A first transition control during which a first engagement device is caused to transition from a disengaged state to a slipping engagement state is started after the starting request for the internal combustion engine is made. A rotational speed control in which the rotary electric machine is controlled such that a rotational speed of the rotary electric machine becomes a target rotational speed is started before the first engagement device transitions from the disengaged state to the slipping engagement state. A rotational speed control is terminated and torque control in which the rotary electric machine is controlled after the first engagement device transitions from the disengaged to the slipping engagement state, and the second engagement device is caused to transition from a direct engagement state to a slipping engagement state after the torque control is started.

Abstract: A control apparatus for controlling a transmission apparatus that includes: an input member that is drivably connected to a rotating electrical machine being capable of generating regenerative torque based on an engine and a deceleration request of a vehicle; an output member that is drivably connected to wheels; and a speed change mechanism that has a plurality of friction engagement elements that are controlled to be engaged and released so as to switch a plurality of shift speeds, and that shifts a rotation speed of the input member at one of gear ratios set for the shift speeds and outputs the shifted speed to the output member.

Abstract: A vehicle control device that includes an input member drive-coupled to an engine and a rotary electrical machine; an output member; and a transmission having a plurality of friction engagement elements, in which a plurality of shift speeds are switched by controlling engagement and release of the plurality of friction engagement elements, and a rotary driving force of the input member is shifted by a change gear ratio of one of the shift speeds and outputted to the output member.

Abstract: A vehicle control device for controlling a vehicle drive apparatus, the vehicle control device configured with a phase determining mechanism that determines the end of the torque phase in a shift operation, and a rotary electrical machine control mechanism that controls the torque of the rotary electrical machine using a variation of input torque. The vehicle control device is also configured with an engagement control mechanism that provides feedback controlling supplied oil pressure to an engagement side element as an engagement element on a side to be engaged after switching of shift speeds so that the rotation speed change rate of the input member becomes the target rotation speed change rate.

Abstract: A control device controls an input coupled to a drive force source including a rotary electric machine and an internal combustion engine, an output coupled to wheels, and a speed change mechanism that transfers rotation of the input to the output with a speed of the rotation changed in accordance with a speed ratio of a shift speed selected from a plurality of shift speeds. When switching between the shift speeds, a rotation-varying torque value is calculated, the rotary electric machine outputs torque based on the rotation-varying torque value, and when an absolute value of the torque that the rotary electric machine outputs will become more than a predetermined threshold, both the rotary electric machine and the internal combustion engine are caused to output torque corresponding to the rotation-varying torque value such that the output torque of the rotary electric machine becomes equal to or less than the predetermined threshold.