Abstract: A control signal output unit (a drive control unit) executes control to retain a gear position corresponding to a motor generator during deceleration of a vehicle and regeneration executed by the motor generator.

Abstract: A control device includes a gear shift information acquisition portion acquiring gear stage information selected in a current running state by a multi-stage automatic transmission, a required information acquisition portion acquiring required information that shows a required drive force required by the vehicle, an actual drive three acquisition portion acquiring an actual drive force that is provided by a combination of an actual engine drive force actually generated by a drive of an internal combustion engine in the current running state and an actual motor drive force actually generated by a drive of a motor in the current running state, and a control portion selecting and shifting the gear stage of the multi-stage automatic transmission in response to the required drive force.

Abstract: A vehicle drive system includes a transmission, a clutch, and a shift execution portion. The shift execution portion operates the shift actuator to control the connecting portion in an engaged state engaged with the idler gear of a present gear stage to disengage from the idler gear of the present gear stage while gradually decreasing the engine torque while the clutch is still engaged, when a shift operation from the present gear stage to a subsequent gear stage is executed.

Abstract: A transmission shift device includes a rotary shaft rotationally connected to an input shaft of a transmission, first and second clutch rings rotationally connected to an output shaft of the transmission at a first gear ratio and a second gear ratio, respectively, a clutch hub fixed to the rotary shaft between the first clutch ring and the second clutch ring, a sleeve restricted a relative rotation with the clutch hub and movably engaged with the rotary shaft in the axial direction, first and second dog clutch portions projected from respective side surfaces of the first and second clutch rings and engageably and disengageably meshing with sleeve spline formed at the sleeve, and an elastic member positioned between the clutch hub and the sleeve and restricting a movement of the sleeve in the axial direction in each of a neutral state, a first shift state and a second shift state.

Abstract: A control signal output unit (a drive control unit) executes control to retain a gear position corresponding to a motor generator during deceleration of a vehicle and regeneration executed by the motor generator.

Abstract: A dog clutch control apparatus for an automated transmission includes a dog clutch transmission mechanism including a clutch ring, a clutch hub, a sleeve, an axial driving device, a dog clutch portion, a stroke position sensor, and a spline of the sleeve including high teeth and a low tooth, the dog clutch portion including clutch front teeth and clutch rear teeth, wherein in a rotation adjustment range, a control apparatus controls a thrust load of the axial driving device so that a first thrust load is applied to the sleeve, and the first thrust load generates a relative rotation between the sleeve and the dog clutch portion against a frictional force generated by contact between an end surface of each of the high teeth and a front end surface of each of the clutch rear teeth.

Abstract: A drive force control system includes an engine for controlling an output in accordance with an operation of an accelerator of a vehicle, a drive motor assisting a torque of the engine, an operation state detection portion detecting an operation state of the accelerator, and a control portion performing an advancing compensation control by the drive motor together with a drive control of the engine on the basis of an amount of change of the operation state of the accelerator generated within a predetermined time to provide greater acceleration than a case where the operation state of the accelerator is maintained.

Abstract: A transmission for hybrid vehicle includes a change-speed gear assembly, an engine-side connector, and a motor-side connector. The change-speed gear assembly includes drive gears and driven gears making change-speed stages. A specific drive gear of the drive gears, and a specific driven gear of the driven gears, making a specific change-speed stage (e.g., the fifth-speed change-speed stage) of the change-speed stages, are made switchable between the idling state and the rotary connection state. The engine-side connector switches the other drive gears and driven gears, making the other change-speed stages, between the idling state and the rotary connection state, respectively. The motor-side connector includes a motor-side drive gear meshing with a motor-side driven gear doubled as the specific drive gear. The motor-side connector switches the specific drive gear, and the specific driven gear between the idling state and the rotary connection state, respectively.

Abstract: A dog clutch control apparatus for an automated transmission includes a rotary shaft, plural dog clutch mechanisms, each of the dog clutch mechanisms including a clutch ring, a clutch hub arranged next to the clutch ring, a sleeve fitted with the clutch hub, a dog clutch portion which is provided at the clutch ring and selectively meshes with a spline formed at the sleeve, an axial driving device for moving the sleeve, the dog clutch control apparatus includes a disengagement detecting portion for detecting disengagement before the sleeve reaches a neutral position and a control apparatus for controlling operation of the axial driving device, wherein in a case where the disengagement is detected at a time of shifting operation, the control apparatus starts a shift-related control.

Abstract: An automatic shift device for an automated transmission for a vehicle includes a rotation shaft, a clutch ring, a clutch hub, a sleeve, a dog clutch portion, a shaft moving apparatus, and a control portion. The control portion includes a push force reduction control portion performing a push force reduction control reducing a push force of the sleeve that the shaft moving apparatus applies on the clutch rear teeth in response to a back and forth movement of the sleeve after the sleeve reaches an end surface of the clutch rear tooth. The control portion includes a retry control portion performing a retry control that re-applies the push force of the sleeve in response to a predetermined retry condition after the push force reduction control is performed.

Abstract: A dog clutch for an automated transmission includes a rotary shaft rotatably connecting to one of an input shaft and an output shaft of the automated transmission, a clutch ring rotatably supported by the rotary shaft and rotatably connecting to the other of the input shaft and the output shaft, a clutch hub fixed to the rotary shaft, a sleeve including first teeth and second teeth, an axial driving device moving the sleeve, and a dog clutch portion arranged at the clutch ring, the dog clutch portion including: clutch forward teeth each having an engagement portion contactable with each of the first teeth, and inclined surfaces extending from the engagement portion toward both sides in a circumferential direction and inclined toward a rear end position of the dog clutch portion; and a clutch rearward tooth portion engageable with the second teeth and including clutch rearward teeth.

Abstract: A dog clutch for an automated transmission includes a rotary shaft, a clutch ring, a hub, a sleeve including a spline that includes a plurality of first teeth and second teeth, a whole depth of each of the first teeth being greater than a whole depth of each of the second teeth, a dog clutch portion including clutch forward teeth, the teeth number of clutch forward teeth being equal to the teeth number of first teeth, each of the clutch forward teeth being formed at a position facing each of the first teeth to extend from a front end surface to a rear end position of the dog clutch portion, the dog clutch portion including clutch rearward teeth engageable with tooth grooves formed at the spline and formed to extend from a position retracted by a first predetermined distance from the front end surface to the rear end position.

Abstract: An automatic shift apparatus includes a rotation shaft, a dog clutch gear shift mechanism, and a control unit. The control unit controls first moving speed to be faster than second moving speed on moving a sleeve in an engaged state engaged with one of a first clutch ring and a second clutch ring to a neutral position defined at a position between the first clutch ring and the second clutch ring where the first moving speed is a speed of moving the sleeve in the engaged state to a target position defined between the neutral position and the mentioned one of the first clutch ring and the second clutch ring the sleeve is engaged with and where the second moving speed is a speed of moving the sleeve from the target position to the neutral position.

Abstract: An automatic shift apparatus including a rotation shaft, a dog clutch gear shift mechanism, and a control unit. The control unit supplies a predetermined electric current to a shaft moving apparatus to move a sleeve in an engaged state engaged with one of a first clutch ring and a second clutch ring and supplies a braking electric current smaller than the predetermined electric current to the shaft moving apparatus to exert a braking force on the sleeve, the braking force directed in the opposite direction relative to a direction of movement of the sleeve, before a spline of the sleeve disengages from a first dog clutch portion or a second dog clutch portion of the mentioned one of the first clutch ring and the second clutch ring.

Abstract: An automatic shift device for an automated transmission for a vehicle includes a rotation shaft, a clutch ring, a clutch hub, a sleeve, a dog clutch portion, a shaft moving apparatus, and a control portion. The control portion includes a push force reduction control portion performing a push force reduction control reducing a push force of the sleeve that the shaft moving apparatus applies on the clutch rear teeth in response to a back and forth movement of the sleeve after the sleeve reaches an end surface of the clutch rear tooth. The control portion includes a retry control portion performing a retry control that re-applies the push force of the sleeve in response to a predetermined retry condition after the push force reduction control is performed.

Abstract: A transmission shift device includes a rotary shaft rotationally connected to an input shaft of a transmission, first and second clutch rings rotationally connected to an output shaft of the transmission at a first gear ratio and a second gear ratio, respectively, a clutch hub fixed to the rotary shaft between the first clutch ring and the second clutch ring, a sleeve restricted a relative rotation with the clutch hub and movably engaged with the rotary shaft in the axial direction, first and second dog clutch portions projected from respective side surfaces of the first and second clutch rings and engageably and disengageably meshing with sleeve spline formed at the sleeve, and an elastic member positioned between the clutch hub and the sleeve and restricting a movement of the sleeve in the axial direction in each of a neutral state, a first shift state and a second shift state.

Abstract: A drive force control system includes an engine for controlling an output in accordance with an operation of an accelerator of a vehicle, a drive motor assisting a torque of the engine, an operation state detection portion detecting an operation state of the accelerator, and a control portion performing an advancing compensation control by the drive motor together with a drive control of the engine on the basis of an amount of change of the operation state of the accelerator generated within a predetermined time to provide greater acceleration than a case where the operation state of the accelerator is maintained.

Abstract: A vehicle drive system includes a transmission, a clutch, and a shift execution portion. The shift execution portion operates the shift actuator to control the connecting portion in an engaged state engaged with the idler gear of a present gear stage to disengage from the idler gear of the present gear stage while gradually decreasing the engine torque while the clutch is still engaged, when a shift operation from the present gear stage to a subsequent gear stage is executed.

Abstract: A dog clutch control apparatus for an automated transmission includes a rotary shaft, plural dog clutch mechanisms, each of the dog clutch mechanisms including a clutch ring, a clutch hub arranged next to the clutch ring, a sleeve fitted with the clutch hub, a dog clutch portion which is provided at the clutch ring and selectively meshes with a spline formed at the sleeve, an axial driving device for moving the sleeve, the dog clutch control apparatus includes a disengagement detecting portion for detecting disengagement before the sleeve reaches a neutral position and a control apparatus for controlling operation of the axial driving device, wherein in a case where the disengagement is detected at a time of shifting operation, the control apparatus starts a shift-related control.

Abstract: An automatic shift apparatus includes a rotation shaft, a dog clutch gear shift mechanism, and a control unit. The control unit controls first moving speed to be faster than second moving speed on moving a sleeve in an engaged state engaged with one of a first clutch ring and a second clutch ring to a neutral position defined at a position between the first clutch ring and the second clutch ring where the first moving speed is a speed of moving the sleeve in the engaged state to a target position defined between the neutral position and the mentioned one of the first clutch ring and the second clutch ring the sleeve is engaged with and where the second moving speed is a speed of moving the sleeve from the target position to the neutral position.