Abstract: A shift-by-wire type control device whose control target is an automatic transmission including a parking lock mechanism, the shift-by-wire type control device includes an electronic control unit that controls the automatic transmission in response to an instruction to select a shift range when selection of the shift range based on an operation on a to-be-operated part is performed.

Abstract: A control device that controls a vehicle drive device provided with a transmission mechanism and a rotating member in a power transmission path in this order from a drive power source side, and provided with a parking lock mechanism that restricts rotation of the rotating member by allowing an engaging member to engage with the rotating member, the power transmission path connecting a drive power source to wheels.

Abstract: A shift-by-wire type control device whose control target is an automatic transmission including a parking lock mechanism, the shift-by-wire type control device includes an electronic control unit that controls the automatic transmission in response to an instruction to select a shift range when selection of the shift range based on an operation on a to-be-operated part is performed.

Abstract: A transmission device is provided with a hydraulic control device, which has a pump for generating hydraulic pressure using power from a motor, and an accumulator, and which controls hydraulic pressure and supplies the hydraulic pressure to a hydraulic servo of an engagement element. The transmission device executes, when the motor that automatically stopped starts up with a request for vehicle travel: a fill control in which the hydraulic control device is controlled so that the hydraulic servo is being filled with working oil; a standby control to control the hydraulic pressure in the hydraulic servo at a standby pressure; and an engagement control to increase the hydraulic pressure in the hydraulic servo is started when the rotational speed of the motor becomes reaches or exceeds a prescribed rotational speed, after hydraulic pressure accumulated in the accumulator is released into the hydraulic circuit, so that the engagement element is engaged.

Abstract: A control device that controls a vehicle drive device provided with a transmission mechanism and a rotating member in a power transmission path in this order from a drive power source side, and provided with a parking lock mechanism that restricts rotation of the rotating member by allowing an engaging member to engage with the rotating member, the power transmission path connecting a drive power source to wheels.

Abstract: A vehicle drive control device performs acceleration/deceleration running by alternately repeating acceleration running and deceleration running, wherein it compares between an efficiency of the motor at a first operation point determined by a rotation speed and a torque of a motor and an efficiency of the motor at a second operation point for outputting a higher torque than the first operation point, and if a difference between the efficiencies is greater than a determination value, the acceleration running at the second operation point and the deceleration running being repeated, the second operation point being set a maximum efficiency line of the motor with the rotation speed and the torque of the motor as parameters to perform the acceleration running, and if acceleration during the acceleration running becomes larger than an acceleration limit value, a rotating machine acting at least as an electric generator generating electricity to charge a battery.

Abstract: A vehicular power transmission device that includes a parking gear that is drivingly coupled with wheels; a parking pawl that is capable of meshing or unmeshing with or from the parking gear; a hydraulic pressure actuator that unmeshes the parking pawl from the parking gear when a release hydraulic pressure is supplied; a first oil pump that generates a hydraulic pressure; a second oil pump that generates a hydraulic pressure, the second oil pump having a capacity smaller than the first oil pump; a hydraulic pressure control device that is capable of deriving the release hydraulic pressure from the hydraulic pressure generated by the second oil pump or the hydraulic pressure generated by the first oil pump and supplying the release hydraulic pressure to the hydraulic pressure actuator; and a control unit.

Abstract: A vehicular power transmission device that includes a parking gear that is drivingly coupled with wheels; a parking pawl that is capable of meshing or unmeshing with or from the parking gear; a hydraulic pressure actuator that unmeshes the parking pawl from the parking gear when a release hydraulic pressure is supplied; a first oil pump that generates a hydraulic pressure; a second oil pump that generates a hydraulic pressure, the second oil pump having a capacity smaller than the first oil pump; a hydraulic pressure control device that is capable of deriving the release hydraulic pressure from the hydraulic pressure generated by the second oil pump or the hydraulic pressure generated by the first oil pump and supplying the release hydraulic pressure to the hydraulic pressure actuator; and a control unit.

Abstract: A vehicle drive control device performs acceleration/deceleration running by alternately repeating acceleration running and deceleration running, wherein it compares between an efficiency of the motor at a first operation point determined by a rotation speed and a torque of a motor and an efficiency of the motor at a second operation point for outputting a higher torque than the first operation point, and if a difference between the efficiencies is greater than a determination value, the acceleration running at the second operation point and the deceleration running being repeated, the second operation point being set a maximum efficiency line of the motor with the rotation speed and the torque of the motor as parameters to perform the acceleration running, and if acceleration during the acceleration running becomes larger than an acceleration limit value, a rotating machine acting at least as an electric generator generating electricity to charge a battery.

Abstract: A hybrid drive unit that includes an input shaft connected to an engine; an output shaft connected to wheels; a first rotary electric machine; a second rotary electric machine connected to the output shaft; a power distribution device that distributes a rotational driving force of the input shaft to the output shaft and to the first rotary electric machine; a second rotary electric machine fixing device that selectively fixes a rotor of the second rotary electric machine; and a transmission cutoff device capable of cutting off transmission of rotation between the output shaft and the second rotary electric machine at least in a state when the rotor of the second rotary electric machine is fixed.

Abstract: A hybrid drive device includes an input member connected to an engine; an output member connected to a wheel; a first rotating electrical machine; a second rotating electrical machine connected to the output member; and a differential gear device including at least four rotational elements. The input member, the output member, and the first rotating electrical machine are respectively connected to different rotational elements of the differential gear device. The output member is capable of selectively connecting to one of two rotational elements of the differential gear device to which neither the input member nor the first rotating electrical machine is connected.

Abstract: A hybrid drive apparatus includes an engine; an input shaft that is connected to the engine; an output shaft that is connected to wheels; a rotary electric machine; a first planetary gear apparatus; and a second planetary gear apparatus. In an electric torque converter mode, the first planetary gear apparatus reduces an absolute value of a rotational speed of the rotary electric machine and transfers a first resulting rotational speed to the second planetary gear apparatus, and the second planetary gear apparatus combines the first resulting rotational speed and a rotation of the input shaft, reduces an absolute value of a rotational speed of the input shaft, and transmits a second resulting rotational speed to the output shaft.

Abstract: A hybrid drive apparatus that includes an input shaft that is connected to an engine; an output shaft that is connected to wheels; a first rotary electric machine; a second rotary electric machine; a first planetary gear apparatus that has at least three rotating elements; a second planetary gear apparatus that has at least three rotating elements; and a plurality of friction engagement elements that selectively connect one rotating element of the first planetary gear apparatus and the second planetary gear apparatus to other rotating elements or that selectively hold the rotating element stationary on a non-rotating member.

Abstract: An electric vehicle drive control device that includes a first electric motor; a second electric motor; a differential device that includes first, second, and third rotational elements, wherein the first rotational element is connected to the first electric motor, the second rotational element is connected to the second electric motor via a transmission shaft, and the third rotational element is connected to an engine; a transmission for shifting that shifts a speed of a rotation transferred to from the transmission shaft; and a controller that: controls electric motor control processing means for controlling a rotation speed of the first electric motor in conjunction with shifting performed by the transmission; and adjusts electric power adjustment processing means for adjusting an electric power consumptions generated in the first and second electric motors, by controlling an output supplied to the second electric motor in conjunction with the control of the rotation speed of the first electric motor.

Abstract: A hybrid drive apparatus including an input shaft; a first motor and a second motor; a power distributing planetary gear; an intermediate transmission shaft; and a partition wall provided between a motor part including the first motor and the second motor and a transmission part including the transmission such that the intermediate shaft passes through the partition wall.

Abstract: A hybrid drive unit includes an input member connected to an engine; an output member connected to wheels; a rotary electric machine; and a pair of planetary gear units that each have at least three rotation elements. The hybrid drive unit is capable of realizing a plurality of shift speeds, one planetary gear unit of the pair of planetary gear units comprises at least one fixed rotation element that serves as a rotation element whose rotation is stopped by a non-rotating member, the one planetary gear unit serving as a decelerating planetary gear unit that decelerates a rotation of the rotary electric machine and transmits a decelerated rotation to the output member at all of the shift speeds, and the other planetary gear unit of the pair of planetary gear units serves as a shifting planetary gear unit that transmits a rotation of the input member to the output member.

Abstract: A hybrid drive device includes an input member connected to an engine; an output member connected to a wheel; a first rotating electrical machine; a second rotating electrical machine connected to the output member; and a differential gear device including at least four rotational elements. The input member, the output member, and the first rotating electrical machine are respectively connected to different rotational elements of the differential gear device. The output member is capable of selectively connecting to one of two rotational elements of the differential gear device to which neither the input member nor the first rotating electrical machine is connected.

Abstract: An electric vehicle drive control device includes a first electric motor; a second electric motor; a differential device that includes first, second, and third rotational elements, wherein the first rotational element is connected to the first electric motor, the second rotational element is connected to the second electric motor via a transmission shaft, and the third rotational element is connected to an engine; a transmission that shifts a speed of a rotation transferred from the transmission shaft; and a controller that: calculates an inertia compensating torque that compensates for a change in a rotation speed caused by inertia while the transmission performs shifting; and corrects a target torque for the first electric motor in accordance with the inertia compensating torque.

Abstract: An electric vehicle drive control device includes a first electric motor and a second electric motor; a differential device that includes first, second and third rotational elements, wherein the first rotational element is connected with the first electric motor, the second rotational element is connected with the second electric motor, and the third rotational elements is connected with the engine; a transmission that is connected with the second electric motor via a transmission shaft, and that shifts a speed of a rotation transferred from the transmission shaft; and a controller that: judges whether an engine start request for starting the engine is generated and whether a downshift request is generated; and starts, if the engine start request and the downshift request are generated, one of an engine start control and a downshift control when the other of the engine start control and the downshift control is executed.

Abstract: A hybrid drive unit that includes an input shaft connected to an engine; an output shaft connected to wheels; a first rotary electric machine; a second rotary electric machine connected to the output shaft; a power distribution device that distributes a rotational driving force of the input shaft to the output shaft and to the first rotary electric machine; a second rotary electric machine fixing device that selectively fixes a rotor of the second rotary electric machine; and a transmission cutoff device capable of cutting off transmission of rotation between the output shaft and the second rotary electric machine at least in a state when the rotor of the second rotary electric machine is fixed.