In a method for controlling an operation of a sphere type shifting apparatus, and according to an exemplary embodiment of the present disclosure, it is possible to prevent a sphere mechanism from being separated from a rotation completion location upon rotation operation of the sphere mechanism including a shifting unit provided on a hemispherical one side thereof and a design unit provided on a hemispherical other side thereof, preventing occurrence of clearance of the sphere mechanism, and to terminate an operation of a motor as necessary when the sphere mechanism cannot reach the rotation completion location due to sticking thereof or foreign substances stuck thereto upon rotation operation of the sphere mechanism, preventing damage to parts.

In a method for controlling an operation of a sphere type shifting apparatus, and according to an exemplary embodiment of the present disclosure, it is possible to prevent a sphere mechanism from being separated from a rotation completion location upon rotation operation of the sphere mechanism including a shifting unit provided on a hemispherical one side thereof and a design unit provided on a hemispherical other side thereof, preventing occurrence of clearance of the sphere mechanism, and to terminate an operation of a motor as necessary when the sphere mechanism cannot reach the rotation completion location due to sticking thereof or foreign substances stuck thereto upon rotation operation of the sphere mechanism, preventing damage to parts.

A power transmission path switching device has a friction engaging device; a rotation transmission state switching device comprising a first member and a second member arranged coaxial with each other and having: a free mode and/or a one-way clutch mode allowing rotation of the first member with respect to the second member, and a lock mode preventing rotation of the first member with respect to the second member; and a control device that, when connecting the friction engaging device and setting the rotation transmission state switching device to the lock mode, has a function of connecting the friction engaging device, and then while maintaining the friction engaging device in a connected state, switches the rotation transmission state switching device to the lock mode.

A power transmission path switching device has a friction engaging device; a rotation transmission state switching device comprising a first member and a second member arranged coaxial with each other and having: a free mode and/or a one-way clutch mode allowing rotation of the first member with respect to the second member, and a lock mode preventing rotation of the first member with respect to the second member; and a control device that, when connecting the friction engaging device and setting the rotation transmission state switching device to the lock mode, has a function of connecting the friction engaging device, and then while maintaining the friction engaging device in a connected state, switches the rotation transmission state switching device to the lock mode.

A rotary actuator is used in a shift-by-wire system for a vehicle. A speed reducer includes a ring gear and a sun gear and reduces a rotational speed of the motor. An output shaft outputs rotation of the motor at a reduced rotational speed by the speed reducer. A regulating pin is disposed in a fixing member and allows the sun gear to revolve around a rotational axis of the motor and to rotate about an eccentric axis. The regulating pin is a separate member from the fixing member. The regulating pin has a strength equal to or greater than a maximum torque reaction force received from the sun gear. A first difference in hardness between an engaging portion and the sun gear is set to be less than a second difference in hardness between the fixing member and the sun gear.

A shift range control device switches a shift range by controlling driving of a motor. A learning unit learns, as a position correction value, a normal state time correction value calculated based on first and/or second reference angles when an output shaft signal is available when turning on of a start switch. The first reference angle is a motor angle when the output shaft signal changes in response to the rotation of the motor in a first direction. The second reference angle is the motor angle when the output shaft signal changes in response to the motor rotation in a second direction opposite to the first direction. A motor angle target value is set by using the normal state time correction value stored during a period from when all the output shaft signals are determined to be unavailable to when the start switch is turned off.

A shift drive including an actuating mechanism, a rack, and a gear housing. The actuating mechanism is driven by a driving mechanism. The rack is linked with the actuating mechanism. The rack includes a connection portion connected to the actuating mechanism through a connecting member 301 The gear housing is provided with an induction gear that meshes with the rack. The gear housing includes a track slot includes a take-up release section and a straight rail section, and an end portion of the rack is capable of a recoverable deformation that can slide in or out of the take-up release section and the length of projection of the take-up release section on an extension line in the direction of the length of the straight rail section is less than the length of the track thereof.

A shift drive including an actuating mechanism, a rack, and a gear housing. The actuating mechanism is driven by a driving mechanism. The rack is linked with the actuating mechanism. The rack includes a connection portion connected to the actuating mechanism through a connecting member 301 The gear housing is provided with an induction gear that meshes with the rack. The gear housing includes a track slot includes a take-up release section and a straight rail section, and an end portion of the rack is capable of a recoverable deformation that can slide in or out of the take-up release section and the length of projection of the take-up release section on an extension line in the direction of the length of the straight rail section is less than the length of the track thereof.

A motor control device controls a driving of a motor having a motor winding. The motor control device includes a motor control unit and a parameter setting unit. The motor control unit controls the driving of the motor. The parameter setting unit sets a control parameter related to a driving control of the motor such that at least one of a motor torque and a motor speed is variable according to a system temperature.

An actuator system for a vehicle transmission includes an actuating unit and an electric motor drivingly connected to the actuating unit. The actuating unit is configured for displacement by the electric motor between an engagement mode where the transmission is connected to a propulsion unit and a disengagement mode where the transmission is disconnected from the propulsion unit. A clutch unit between the actuating unit and the electric motor is connected to a drive shaft of the electric motor. The clutch unit is configured for connecting the actuating unit to the electric motor when displacing the actuating unit between the engagement disengagement modes. The clutch unit disconnects the actuating unit from the electric motor in the engagement mode. The system further includes an oil pump unit driven by the electric motor at least in the engagement mode.