Abstract: It is provided a control device for a vehicle power transmission device including a shifting portion and an electric motor that provides regeneration via the shifting portion, the control device executing a downshift of the shifting portion if a traveling loss in the vehicle power transmission device after the shift is smaller than a traveling loss in the vehicle power transmission device at a current gear ratio during regenerative traveling, and the traveling loss in the vehicle power transmission device including at least one of a loss in the shifting portion and a loss in the electric motor, the loss in the shifting portion being calculated based on the operating oil temperature of the shifting portion and the loss in the electric motor being calculated based on the temperature of the electric motor.

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: A hybrid vehicle driving device includes: an engine; a rotation machine; and a transmission unit configured to connect and disconnect the engine and the rotation machine, wherein when the engine is stopped while a vehicle travels by using the engine as a power source, the engine is stopped by the rotation machine in a state in which the gear stage of the transmission unit is fixed, and then the transmission unit is set to a neutral state after the engine is stopped. It is desirable that the hybrid vehicle driving device stop the engine by the rotation machine in a state in which the corresponding relation between a rotation angle of the engine and a rotation angle of the rotation machine is already learned.

Abstract: Provided is a hybrid vehicle driving device including: a first differential mechanism configured to be connected to an engine and transmit a rotation of the engine; a second differential mechanism configured to connect the first differential mechanism and a driving wheel; and a switching device configured to shift the first differential mechanism, wherein the second differential mechanism includes a first rotation component connected to an output component of the first differential mechanism, a second rotation component connected to the first rotation machine, and a third rotation component connected to the second rotation machine and the driving wheel, and a reaction torque of the first rotation machine is corrected at a torque phase (S2-Y) after a start of the gear shift operation of the first differential mechanism by the switching device while the vehicle travels by using the engine as a power source (S3).

Abstract: A power transmission device for a hybrid vehicle includes: a transmission device that includes a carrier to which an engine rotation shaft is connected; a differential device that includes a plurality of rotation components individually connected to a drive wheel, an MG2 rotation shaft, an MG1 rotation shaft, and a ring gear of the transmission device; a gear shift adjustment device that is able to control the transmission device to a neutral state where the transmission of power between the carrier and the ring gear is not allowed or to a state where the transmission of power is allowed; and an HVECU that includes a first step of controlling the transmission device to the neutral state in a state where the transmission of power between the carrier and the ring gear is allowed.

Abstract: A control device of a hybrid vehicle includes an electric motor outputting a running torque at the time of motor running and a starting torque at engine start, in a state of the motor running using even the starting torque, the control device being configured to give a notification of the state to a driver when a charging capacity is smaller than a first predetermined value, and to start an engine when the charging capacity is smaller than a second predetermined value which is smaller than the first predetermined value.

Abstract: A control device for a vehicle includes an electric motor disposed in a manner enabling power transmission to wheels; and a clutch device capable of interrupting and connecting a power transmission path between the wheels and the electric motor, if temperature of the electric motor exceeds predetermined temperature defined in advance, the electric motor being rotated after the power transmission path between the wheels and the electric motor is interrupted by the clutch device.

Abstract: Provided is a hybrid vehicle driving apparatus including: a power transmission mechanism which is connected to an engine and is able to output a rotation of the engine while changing the rotation speed; a differential mechanism which connects the power transmission mechanism and a drive wheel to each other; and a regulation device, wherein the differential mechanism includes a first rotation component which is connected to an output component of the power transmission mechanism, a second rotation component which is connected to a first rotating electric machine, and a third rotation component which is connected to a second rotating electric machine and the drive wheel, and wherein the regulation device switches between a state where a differential operation of the differential mechanism is regulated and a state where the differential operation of the differential mechanism is allowed.

Abstract: A control device of a vehicle is configured to select motor running by one motor, motor running by two motors, and engine running. A charging capacity of an electric storage device allowing selection of the motor running by two motors is higher than a charging capacity allowing selection of the motor running by one motor. In the motor running by two motors and the engine running, a drive force larger than in the motor running by one motor is generated. When the motor running by one motor is performed with a charging capacity equal to or greater than a first threshold value, and a driver's drive request amount is increased, if the charging capacity is equal to or greater than a second threshold value higher than the first threshold value, the motor running by two motors is selected, while if the charging capacity is less than the second threshold value, the engine running is selected.

Abstract: A control device of a vehicle drive device includes: a hydraulic power transmission device having a lockup clutch mechanically coupling an input-side rotating member to which power from an engine is input and an output-side rotating member outputting power to drive wheels; and an electric motor coupled to a power transmission path between the hydraulic power transmission device and the drive wheels. If regeneration braking of a vehicle is performed with the electric motor, an engagement force of the lockup clutch is made larger when a vehicle speed related value varying depending on a vehicle speed is higher.

Abstract: A driving device for a hybrid vehicle including a power transmission mechanism (10) that is connected to an engine (1) and transmits a rotation of the engine; a differential mechanism (20) that connects the power transmission mechanism to driving wheels (32); and a switching device (CL1, BK1) that performs speed change of the power transmission mechanism, wherein the differential mechanism includes a first rotary element (24) that is connected to an output element (13) of the power transmission mechanism, a second rotary element (21) that is connected to a first rotating electrical machine (MG1) and a third rotary element (23) that is connected to the second rotating electrical machine (MG2) and the driving wheels, and wherein the rotation of the output element of the power transmission mechanism is limited by the switching device.

Abstract: A control device of a vehicle including an engine, an electric motor directly or indirectly coupled to the engine, and an engagement device non-rotatably fixing the engine, the vehicle further including an electric circuit controlling giving/receiving of electric power related to operation of the electric motor and having an electric storage member temporarily storing the electric power, if the vehicle is damaged, or if a damage of the vehicle is predicted, during rotating operation of the engine, a rotation speed of the engine being reduced by an engagement actuation of the engagement device, and after the rotation speed of the engine is reduced to be equal to or less than a predetermined rotation speed, electric power stored in the electric storage member being discharged by the electric circuit and the electric motor.

Abstract: A control apparatus for a hybrid vehicle is provided with a differential mechanism having a first rotary element, a second rotary element serving as an input rotary member and connected to an engine, and a third rotary element serving as an output rotary member, an electric motor connected to said first rotary element, and a locking mechanism configured to fix an output shaft of said engine to a stationary member, the control apparatus comprising: an electric motor drive control portion configured to reduce an absolute value of a torque of said electric motor before said locking mechanism is changed from a locking state in which said output shaft is fixed to the stationary member while a drive force of said electric motor is transmitted to said third rotary element, to an unlocking state in which said output shaft is released from the stationary member.

Abstract: A control device of a vehicle includes a first electric motor; a differential mechanism having a rotating element coupled to the first electric motor, a rotating element that is an output rotating member coupled to drive wheels in a power transmittable manner, and a rotating element coupled to a non-rotating member by actuation of a lock mechanism; and a second electric motor coupled to the drive wheels in a power transmittable manner. During motor running for running with output torques from the first electric motor and the second electric motor used together in an actuated state of the lock mechanism, a drive torque shared by the first electric motor is made smaller in a requested drive torque when a rotation speed of a pinion making up the differential mechanism is higher.

Abstract: A power transmission apparatus is provided with a control device for starting each of first shift control, which is control associated with shifting of a stepless transmission unit, and second shift control, which is control associated with shifting of a stepped transmission unit, such that shift end timing of the stepless transmission unit is synchronized with shift end timing of the stepped transmission unit, in a condition that shift requests for the stepless transmission unit and the stepped transmission unit are detected in the same timing. According to the power transmitting apparatus, each of the first shift control and the second shift control is started such that the shift end timing of the stepless transmission unit is synchronized with the shift end timing of the stepped transmission unit.

Abstract: It is provided a control device of a vehicle power transmission device having an automatic transmission shifted by engagement and release of hydraulic friction engagement devices to selectively establish a plurality of gear stages and an electric motor coupled to an input shaft of the automatic transmission in a power transmittable manner, the control device executing a clutch-to-clutch shift while performing regeneration through the electric motor at the time of a coast down shift of the automatic transmission, the control device completing regenerative torque reduction control to reduce a regenerative torque of the electric motor in a torque phase of the coast down shift before start of the torque phase in accordance with a drop-off of an output torque of the vehicle power transmission device.

Abstract: A control apparatus for a vehicular drive system is provided with: a fluid-operated power transmitting device having an input rotary member configured to receive a drive force from an engine, an output rotary member from which the drive force is transmitted to drive wheels, and a lock-up clutch configured to mechanically connect the input rotary member and the output rotary member to each other; a first electric motor connected directly or indirectly to said input rotary member; and a second electric motor connected directly or indirectly to a power transmitting path between said fluid-operated power transmitting path and said drive wheels, the control apparatus comprising: a hybrid control portion configured to control said first electric motor and said second electric motor to generate an engine starting torque for starting said engine while a power transmitting path between said second electric motor and said drive wheels is placed in a power cutoff state or a restricted power transmitting state and while

Abstract: It is provided a control device for a vehicle power transmission device having a stepped automatic transmission making up a portion of a power transmission path between an engine and a drive wheel, the control device setting a shift point of the automatic transmission in accordance with a request drive force of a driver and a vehicle speed, the control device setting a shift point of the automatic transmission in accordance with a rotation speed of the engine and a vehicle speed instead of the request drive force, if a vehicle is in a predetermined fuel consumption priority running state.

Abstract: A control device of a vehicle drive device includes a fluid transmission device having an input-side rotating element to which power from an engine is input and an output-side rotating element outputting power to drive wheels, a first electric motor directly or indirectly coupled to the input-side rotating element, and a second electric motor directly or indirectly coupled to the drive wheels, the control device of a vehicle drive device having an electric path through which power is electrically transmitted by giving/receiving electric power between the first electric motor and the second electric motor and a mechanical path through which power is mechanically transmitted via the fluid transmission device, the control device of a vehicle drive device being configured to control an operating point of the engine by adjusting a torque of the first electric motor, the torque of the first electric motor being adjusted such that a sum of an engine torque and the torque of the first electric motor is balanced with

Abstract: A hybrid vehicle includes an electric steplessly speed changing unit, an engaging device, and an electronic control unit. The electric steplessly speed changing unit includes a differential mechanism including a first rotary element to which an engine is coupled, a second rotary element to which a first rotary machine is coupled, and a third rotary element as an output rotary member of the differential mechanism to which a second rotary machine is coupled. Differential operation of the electric steplessly speed changing unit is controlled by controlling operation of the first rotary machine. The engaging device is provided in a power transmission path between the third rotary element and drive wheels. In control of the hybrid vehicle, when at least one of the first rotary machine and the second rotary machine is operated with a predetermined positive or negative maximum torque, the electronic control unit controls a slip amount of the engaging device by changing the torque capacity of the engaging device.