Abstract: The invention relates to a method for determining shifts in position in at least two different spatial directions between a first element and a second element which are movable relative to each other, with at least two sensors which measure contactlessly and are spaced, in the at least two different spatial directions, from at least two standards which are fixed to the second element, sensor areas of the at least two sensors opposing the at least two standards in the respective spatial direction and sensing said standards, wherein: —the at least two sensors scan the at least two standards and generate, in interaction with the at least two standards, output signals with which in combination an absolute position of the second element is determined, said absolute position being associated with a linear movement in a further spatial direction or with a rotary movement, and—wherein the output signals of the at least two sensors are also used to determine values which characterise the distance between the respectiv

Abstract: The invention relates to a method for determining shifts in position in at least two different spatial directions between a first element and a second element which are movable relative to each other, with at least two sensors which measure contactlessly and are spaced, in the at least two different spatial directions, from at least two standards which are fixed to the second element, sensor areas of the at least two sensors opposing the at least two standards in the respective spatial direction and sensing said standards, wherein: —the at least two sensors scan the at least two standards and generate, in interaction with the at least two standards, output signals with which in combination an absolute position of the second element is determined, said absolute position being associated with a linear movement in a further spatial direction or with a rotary movement, and —wherein the output signals of the at least two sensors are also used to determine values which characterise the distance between the respecti

Abstract: A method for changing a drive unit's mechanical coupling to a motor vehicle power train, which has at least two drive units, in which at least one first drive unit of the two drive units is coupled via various mechanical couplings, including mechanical transmission ratios, during the travel of the motor vehicle, a power or torque influence of the two drive units occurring if there is a change of the mechanical coupling. To ensure a change of the mechanical coupling without the vehicle occupants perceiving it, the change of the mechanical coupling of the first drive unit of the two drive units occurs in at least two operating modes, a first operating mode causing a slower operating point change with respect to time of the two drive units, while a more rapid operating point change as to time of the two drive units is provided in a second operating mode.

Abstract: In a method for operating a hybrid drive device of a motor vehicle, which has at least two different drive assemblies, especially an electric machine and an internal combustion engine, that are able to be connected to at least two drive trains of the motor vehicle, during the reconnecting of one of the drive assemblies, particularly from a first to a second of the drive trains, or from the second to the first drive train, and/or during a synchronization, a replacement torque substantially corresponding to the torque produced by the one drive assembly is able to be provided by an additional one of the drive assemblies by the at least partial closing of a clutch.

Abstract: The invention relates to a method for operating a drive device (1) of a vehicle, in particular, a motor vehicle, said device having at least one electric or hydraulic machine (2) as a drive unit. Said method consists of the following steps: determining a target drive direction (ZR) that can be set by the driver of the vehicle, detecting a current direction of travel of the vehicle and comparing the current drive direction with the target drive direction (ZR) that has been set, detecting the direction of action of a current drive force and comparing the direction of action with the target drive direction (ZR), if the current direction of travel deviates from the target drive direction (ZR), detecting/determining unauthorised driving of the vehicle, if the direction of action deviates from the target drive direction (ZR). The invention also relates to a device and a system, in particular, for performing the method.

Abstract: A method for detecting the malfunction in a three-phase synchronous electric machine by modulating variables. Two variables, which influence the torque of the electric machine are modulated. The first variable represents the q component of the stator current. The second variable represents the rotor flux. The variables are modulated by superimposing on their base signals, a test signal. Under faultless operation of the machine, there is no effect caused by the modulated variables on an electrical or magnetic parameter of the machine. When the modulated variables cause an effect on an electrical or magnetic parameter of the machine, a fault condition is detected.

Abstract: A method for operating a hybrid drive device, in particular for a motor vehicle, which has at least one combustion engine and at least one electric machine, the combustion engine and the electric machine being mechanically and operatively connectible to each other by a separating clutch, and a slip torque transmitted by the separating clutch being ascertained. There is a provision for the slip torque to be determined as a function of the speed characteristic of a drive shaft of the combustion engine at least when starting and/or stopping the combustion engine and to be taken into account when operating the hybrid drive device.

Abstract: A method for coordinating at least one drive unit of a vehicle, a control unit designed as a drive unit control unit (6, 8) being assigned to this at least one drive unit, a higher-level control unit (4) being provided, and information being exchanged between the control units, at least one operating parameter for an operating range of the at least one assigned drive unit being transmitted by at least one drive unit control unit (6, 8) to the higher-level control unit (4) for the purpose of carrying out the method, a setpoint operating point for the at least one drive unit being ascertained by the higher-level control unit (4) on the basis of the at least one received operating parameter, and the ascertained setpoint operating point being transmitted to the at least one drive unit control unit (6, 8) together with the at least one operating parameter.

Abstract: The invention relates to a method for monitoring the proper functioning of at least one first and a second component (109, 110) of a vehicle drive train (100). The first and the second component (109, 110) each have an effect on the torque applied to the driveshaft (111) and are controlled for this purpose by a test signal (112, 113). The test signals (112, 113) are predetermined such that the effects of the first and the second component (109, 110) onto the torque applied to the driveshaft (111) cancel each other out if the first and the second component (109, 110) function properly. When the components (109, 110) function properly, the traveling comfort is not disturbed by an unexpected torque increase or torque decrease during the carrying out of this method. Any perturbation of the vehicle drive train (100) is therefore also avoided.

Abstract: The invention relates to a method for operating a drive device (1) of a vehicle, in particular, a motor vehicle, said device having at least one electric or hydraulic machine (2) as a drive unit. Said method consists of the following steps: determining a target drive direction (ZR) that can be set by the driver of the vehicle, detecting a current direction of travel of the vehicle and comparing the current drive direction with the target drive direction (ZR) that has been set, detecting the direction of action of a current drive force and comparing the direction of action with the target drive direction (ZR), if the current direction of travel deviates from the target drive direction (ZR), detecting/determining unauthorised driving of the vehicle, if the direction of action deviates from the target drive direction (ZR). The invention also relates to a device and a system, in particular, for performing the method.

Abstract: A method for recognizing unintended drive train responses of a motor vehicle includes at least one drive unit, in which at least one input variable of the motor vehicle and/or of the drive unit is input into the drive train, and at least one output variable is measured at the motor vehicle and/or the drive unit. In order to recognize an unintended drive train response early, the at least one input variable is supplied to a dynamic model which at least partially simulates the drive train of the motor vehicle, the dynamic model determining, based on the at least one input variable, at least one model output variable which is compared to the at least one measured output variable, and an unintended drive train response being deduced if there is a difference between the measured output variable and the model output variable.

Abstract: A method for operating a hybrid vehicle, having at least one first drive unit and one second drive unit, the second drive unit being started by at least one portion of the drive torque provided by the first drive unit in that the clutch situated between the first drive unit and the second drive unit is brought from a disengaged state into a slipping state. To improve the driving comfort of the hybrid vehicle during a start or a stop of the internal combustion engine, at least two clutches are shifted into the slipping state for starting the second drive unit.

Abstract: A method and a control unit for operating a hybrid vehicle, in which at least two units, of which at least one is an internal combustion engine, supply torque for a hybrid vehicle drive. It is provided that an overall required reserve torque be ascertained, and boundary values of currently available reserve torque of each individual unit be determined.

Abstract: A method for driving a hybrid vehicle during a load reversal includes: the application of a first torque on a first hybrid vehicle axle during an acceleration reversal; and the application of a second torque on a second hybrid vehicle axle during the acceleration reversal, a direction of action of the second torque being opposite to a direction of action of the first torque.

Abstract: A method is described for operating a hybrid drive system which has a first drive unit, in particular an internal combustion engine, and a second drive unit, in particular an electric motor, which includes activating the first drive unit and the second drive unit in such a way that the first drive unit and the second drive unit each provide an output variable for the purpose of providing a total output variable; limiting the output variable provided by the first drive unit to a limiting value which is less than a maximum output variable which may be provided by the first drive unit; canceling the limitation if the output variable provided by the second drive unit corresponds to a maximum output variable which may be provided by the second drive unit.

Abstract: In a method for operating a drive device of a hybrid vehicle, in particular a hybrid motor vehicle, having at least one internal combustion engine and at least one electric machine, the torques of the internal combustion engine and the electric machine are added. A torque/torque component which, with respect to a request, is not deliverable by the internal combustion engine because of the system-related inertia of the internal combustion engine, is compensated at least partially by a torque/torque component delivered by the electric machine.

Abstract: A method for operating a driving device of a vehicle, in particular of a motor vehicle, that has as drive units at least one internal combustion engine and at least one electric machine whose torques are used for generating a drive torque of the vehicle as a function of different operating modes, and which has at least one signal flow controlling at least one drive unit in at least one operating mode, a single signal flow controlling at least one of the drive units in all operating modes by defining at least one torque limit.

Abstract: The invention relates to a method for operating the drive of a hybrid motor vehicle by an internal combustion engine torque and the torque of at least one electric motor which are superimposed in such a way that a common drive torque of the hybrid motor vehicle is produced. According to the invention, the torque of the internal combustion engine is influenced by the speed of rotation thereof or a signal derived therefrom and the torque of the electric motor is influenced by the speed of rotation or the signal derived therefrom.

Abstract: The invention relates to a method for monitoring the proper functioning of at least one first and a second component (109, 110) of a vehicle drive train (100). The first and the second component (109, 110) each have an effect on the torque applied to the driveshaft (111) and are controlled for this purpose by a test signal (112, 113). The test signals (112, 113) are predetermined such that the effects of the first and the second component (109, 110) onto the torque applied to the driveshaft (111) cancel each other out if the first and the second component (109, 110) function properly. When the components (109, 110) function properly, the traveling comfort is not disturbed by an unexpected torque increase or torque decrease during the carrying out of this method. Any perturbation of the vehicle drive train (100) is therefore also avoided.

Abstract: The invention relates to a method for detecting a malfunction of an electric machine, a first variable (isq) influencing the torque (M) of the electric machine (1) being modulated. In order to reliably detect the malfunction of an electric machine and to prevent an associated unwanted torque or power output of the electric machine, a second variable (?p) influencing the torque of the electric machine is modulated, the two variables (?p, isq) influencing the torque (M) cancelling each other out, when the electric machine functions properly, with respect to their effect onto a parameter of the electric machine (1), especially a torque (M), a speed, an electric parameter and/or a magnetic parameter, while it is concluded that there is a malfunction in the event of the lack of such a cancellation.