Abstract: A motor vehicle drive train device has a multi-group transmission that includes a main group, a front-mounted group upstream from the main group, and/or a downstream group downstream from the main group, and a control/regulation unit. The motor vehicle drive train device is provided for shifting, at least in one transmission gear change operation, the front-mounted group and/or the downstream group into neutral before engaging a target gear in the main group. The control/regulation unit is provided for shifting the front-mounted group and/or the downstream group into neutral in the transmission gear change operation only after at least partial synchronization of the main group.

Abstract: A motor vehicle drive train device has a multi-group transmission that includes a main group, a front-mounted group upstream from the main group, and/or a downstream group downstream from the main group, and a control/regulation unit. The motor vehicle drive train device is provided for shifting, at least in one transmission gear change operation, the front-mounted group and/or the downstream group into neutral before engaging a target gear in the main group. The control/regulation unit is provided for shifting the front-mounted group and/or the downstream group into neutral in the transmission gear change operation only after at least partial synchronization of the main group.

Abstract: A motor vehicle drive train device includes a multi-group transmission with a main group providing at least one forward transmission gear and at least one reverse transmission gear, and a downstream group downstream from the main group. The device also includes a control and/or regulation unit having a gear change function for shifting the main group at least in one transmission gear change operation in order to engage a transmission gear opposite to the current direction of travel. The control and/or regulation unit has a synchronization function which is provided for shifting the downstream group in order to engage the transmission gear opposite to the current direction of travel.

Abstract: In a group transmission arrangement, in particular a commercial vehicle group transmission arrangement, comprising a main group with a central synchronizing unit for synchronizing at least two main group shifting units for changing a main group transmission ratio, includes at least one auxiliary group with at least one auxiliary group shifting unit for changing an auxiliary group ratio, wherein a control unit is provided to actuate in a shifting operation the auxiliary group shifting unit and a central synchronizing unit in order to change an overall gear ratio, the control unit is adapted to actuate the auxiliary group shifting unit and the central synchronizing unit in parallel at least intermittently.

Abstract: In a method for controlling an engine braking device of an internal combustion engine of a motor vehicle during an up-shift process of a transmission device connected to the internal combustion engine which includes a first cylinder bank and a second cylinder bank, an engine braking device acting on individual cylinder banks, a fuel supply device acting on individual cylinder banks and a shiftable transmission device, which comprises shiftable gearwheels and an input shaft which can be coupled to a crankshaft of the internal combustion engine by means of a clutch are provided and used during up-shifting to manipulate braking and powering up the cylinder banks and disengaging and up-shifting the transmission for a fast and smooth gear change operations.

Abstract: In a group transmission device comprising a splitter group transmission unit and at least one active actuating unit for introducing an actuating torque into the splitter group transmission unit, an open- and/or closed-loop control unit is provided for adapting the actuating torque introduced into the splitter group transmission unit to at least one synchronized shifting operation to be executed by means of the splitter group transmission unit without synchronizing ring.

Abstract: In a transmission control device with a control unit, to eliminate a tooth-on-tooth position in a transmission shifting unit, a transmission clutch is adjusted to a nominal clutch value. In at least one operating mode, the control unit is designed to specify a prescribed clutch value, which is independent of any intermediate clutch value setting.

Abstract: In a group transmission arrangement, in particular a commercial vehicle group transmission arrangement, comprising a main group with a central synchronizing unit for synchronizing at least two main group shifting units for changing a main group transmission ratio, includes at least one auxiliary group with at least one auxiliary group shifting unit for changing an auxiliary group ratio, wherein a control unit is provided to actuate in a shifting operation the auxiliary group shifting unit and a central synchronizing unit in order to change an overall gear ratio, the control unit is adapted to actuate the auxiliary group shifting unit and the central synchronizing unit in parallel at least intermittently.

Abstract: In a gear shift device and a method for operating a manual gearshift device of a motor vehicle including a control unit which, in a gear shift mode is adapted to resolve a recognized tooth butt condition of a gear shift device which is to be engaged positively by a starting clutch, the control unit is adapted to select a starting mode for resolving the tooth butt condition by setting a startup readiness parameter which determines a startup readiness condition as established before the tooth butt condition is resolved for initiating clutch engagement and thereby resolving the tooth butt condition and, at the same time, starting movement of the vehicle.

Abstract: A motor vehicle transmission device is described. The transmission has an actuating unit, used for canceling a tooth-on-tooth position of coupling elements, wherein the actuating unit actuates a transmission brake when the tooth-on-tooth position is detected. The transmission also has a second actuating unit for actuating a disconnect clutch, the second actuating unit actuating the disconnect clutch when the tooth-on-tooth position is detected. The actuating unit for actuating the transmission brake and the second actuating unit for actuating the disconnect clutch are actuated in coordination with one another, in order to cancel the tooth-on-tooth position.

Abstract: In a group transmission device comprising a splitter group transmission unit and at least one active actuating unit for introducing an actuating torque into the splitter group transmission unit, an open- and/or closed-loop control unit is provided for adapting the actuating torque introduced into the splitter group transmission unit to at least one synchronized shifting operation to be executed by means of the splitter group transmission unit without synchronizing ring.

Abstract: In a method and control device for adjusting a rotational speed of a shaft of a gear change transmission of a motor vehicle, a torque required for the acceleration of the transmission and derived from a drive motor is transmitted by means of an automated clutch and using the torque the rotational speed of the shaft is precisely and rapidly adjusted to a range around a target rotational speed by defining a desired value for a position of the clutch on a rotational speed difference between a measured rotational speed of the shaft and a target rotational speed so that the gear can then rapidly be changed.

Abstract: The invention starts from a transmission control device with a control unit (10) which, to eliminate a tooth-on-tooth position in a transmission shifting unit (11, 12), is designed to adjust a transmission clutch (13) to a nominal clutch value (KKick). It is proposed that in at least one operating mode the control unit (10) is designed to specify a prescribed clutch value (KDes) which is independent of any intermediate clutch value setting.

Abstract: In a method for controlling an engine braking device of an internal combustion engine of a motor vehicle during an up-shift process of a transmission device connected to the internal combustion engine which includes a first cylinder bank and a second cylinder bank, an engine braking device acting on individual cylinder banks, a fuel supply device acting on individual cylinder banks and a shiftable transmission device, which comprises shiftable gearwheels and an input shaft which can be coupled to a crankshaft of the internal combustion engine by means of a clutch are provided and used during up-shifting to manipulate braking and powering up the cylinder banks and disengaging and up-shifting the transmission for a fast and smooth gear change operations.

Abstract: In a method for controlling, and a control device of, an automated non-synchromesh multi-speed motor vehicle transmission, wherein, upon selection of a target gear, a form-fitting connection is to be established between shift elements of the target gear, wherein, however, with a certain rotational speed difference between the shift elements which causes chattering, no engagement takes place during actuation of the shift actuator for the target gear, when, upon monitoring, a certain chattering of the shift elements is detected, and, as a result, the engagement of the target gear is aborted in order to prevent the transmission from being damaged.

Abstract: A motor vehicle transmission device is described. The transmission has an actuating unit, used for canceling a tooth-on-tooth position of coupling elements, wherein the actuating unit actuates a transmission brake when the tooth-on-tooth position is detected. The transmission also has a second actuating unit for actuating a disconnect clutch, the second actuating unit actuating the disconnect clutch when the tooth-on-tooth position is detected. The actuating unit for actuating the transmission brake and the second actuating unit for actuating the disconnect clutch are actuated in coordination with one another, in order to cancel the tooth-on-tooth position.

Abstract: In a method for controlling, and a control device of, an automated non-synchromesh multi-speed motor vehicle transmission, wherein, upon selection of a target gear, a form-fitting connection is to be established between shift elements of the target gear, wherein, however, with a certain rotational speed difference between the shift elements which causes chattering, no engagement takes place during actuation of the shift actuator for the target gear, when, upon monitoring, a certain chattering of the shift elements is detected, and, as a result, the engagement of the target gear is aborted in order to prevent the transmission from being damaged.

Abstract: In a method and control device for adjusting a rotational speed of a shaft of a gear change transmission of a motor vehicle, a torque required for the acceleration of the transmission and derived from a drive motor is transmitted by means of an automated clutch and using the torque the rotational speed of the shaft is precisely and rapidly adjusted to a range around a target rotational speed by defining a desired value for a position of the clutch on a rotational speed difference between a measured rotational speed of the shaft and a target rotational speed so that the gear can then rapidly be changed.

Abstract: In a method for estimating a rotational speed curve of a shaft of a transmission of a motor vehicle after a synchronizing element which acts on the shaft has been deactivated the subsequent speed of the shaft, that is the curve of the rotational speed is estimated on the basis of the rotational speed of the shaft at the deactivation time and the rotational speed gradient at the deactivation time, taking into account a characteristic value (F) which is dependent on an activation period needed for the synchronizing element to accelerate the during activation of the synchronizing element, thereby providing for a particularly precise estimation of the rotational speed curve of the shaft.

Abstract: In a method for granting relatively greater rights to stored content, a target device is disconnected from a content service, content is played on the target device, and a purchase selection of the content is detected. In addition, an entry of the content purchase selection is logged and a characteristic of the content is modified to grant relatively greater rights to the selected content.