Abstract: An object recognition device for vehicles, including a sensor, a filter device and an analysis device. Signals from an object are detectable by the sensor. The detected signals are filterable by the filter device and then feedable to the analysis device. The analysis device is configured to recognize the object by analyzing the filtered signals. The filter device includes an averaging unit, which averages the profile of the amplitudes of the detected signals, and a non-linear filter unit, which is provided based on a linear low-pass filter with a variable time constant and filters the detected signals. A value profile corresponding to the difference between the averaged amplitude profile and the filtered signals is feedable to the analysis device for analyzing and recognizing the object. The variable time constant is establishable based on the difference between the filtered signals and the detected signals and based on the averaged amplitude profile.

Abstract: An object recognition device for vehicles, including a sensor, a filter device and an analysis device. Signals from an object are detectable by the sensor. The detected signals are filterable by the filter device and then feedable to the analysis device. The analysis device is configured to recognize the object by analyzing the filtered signals. The filter device includes an averaging unit, which averages the profile of the amplitudes of the detected signals, and a non-linear filter unit, which is provided based on a linear low-pass filter with a variable time constant and filters the detected signals. A value profile corresponding to the difference between the averaged amplitude profile and the filtered signals is feedable to the analysis device for analyzing and recognizing the object. The variable time constant is establishable based on the difference between the filtered signals and the detected signals and based on the averaged amplitude profile.

Abstract: The disclosure relates to an apparatus and a method for adapting control of a brushless electric motor in order to influence a position of an actuator, wherein at least two values of an output variable of a sensor are recorded in order to determine a position of the actuator, an item of information relating to the position of the actuator is determined on the basis of the at least two recorded values, the determined information relating to the position of the actuator is assigned to an item of information relating to a rotor position of the electric motor, wherein the at least two recorded values are recorded at two different times in a predefined interval of time, and wherein a duration of the predefined interval of time is determined on the basis of a characteristic of the electric motor.

Abstract: The method for detecting a position error of an electronically commutated actuator drive between an assumed position and an actual position of the actuator drive includes performing a position control procedure for the position of the actuator drive. The method further includes providing data with regard to the assumed position of the actuator drive. The method further includes forming an electric space vector value to generate a component of a stator magnetic field that extends parallel with a direction of an exciter magnetic field that prevails in the case of the assumed position of the actuator drive. The method further includes detecting whether a movement of the actuator drive has occurred as a result of generating the component of the exciter magnetic field.

Abstract: A method for operating an electric machine of a compressor and/or of a turbine, which includes a rotor situated on a shaft mounted rotatably in a housing and a stator fixed to the housing, the stator including an, in particular, multiphase drive winding, and an activation of the drive winding being suspended at least intermittently in an idling mode. It is provided that the shaft and/or the rotor is/are monitored for a rotary movement, and that, when a standstill or an impending standstill of the shaft and/or of the rotor is detected, the drive winding is activated in such a way that the rotor, at least briefly, is caused to carry out a movement and/or is centered with respect to the stator by magnetic force.

Abstract: A method is described for operating an electric media-flow machine for a compressor and/or a turbine, especially for an exhaust-gas turbocharger of an internal combustion engine, having a shaft rotationally mounted in a housing that has an inlet and an outlet for a medium to be conveyed, a rotor being disposed in rotatably fixed manner on the shaft, having a stator that is fixed in the housing and has at least one polyphase drive winding as well as a plurality of stator teeth projecting radially to the inside, having a covering cap that covers the rotor upstream and to which an inner sleeve is joined surrounding the rotor circumferentially. An outer sleeve is disposed coaxially relative to the inner sleeve, the inner sleeve and the outer sleeve being fixed in the housing, and the stator teeth extending through the outer sleeve at least up to the inner sleeve.

Abstract: A method is described for operating an electric media-flow machine for a compressor and/or a turbine, especially for an exhaust-gas turbocharger of an internal combustion engine, having a shaft rotationally mounted in a housing that has an inlet and an outlet for a medium to be conveyed, a rotor being disposed in rotatably fixed manner on the shaft, having a stator that is fixed in the housing and has at least one polyphase drive winding as well as a plurality of stator teeth projecting radially to the inside, having a covering cap that covers the rotor upstream and to which an inner sleeve is joined surrounding the rotor circumferentially. An outer sleeve is disposed coaxially relative to the inner sleeve, the inner sleeve and the outer sleeve being fixed in the housing, and the stator teeth extending through the outer sleeve at least up to the inner sleeve.

Abstract: A method for operating an electric machine of a compressor and/or of a turbine, which includes a rotor situated on a shaft mounted rotatably in a housing and a stator fixed to the housing, the stator including an, in particular, multiphase drive winding, and an activation of the drive winding being suspended at least intermittently in an idling mode. It is provided that the shaft and/or the rotor is/are monitored for a rotary movement, and that, when a standstill or an impending standstill of the shaft and/or of the rotor is detected, the drive winding is activated in such a way that the rotor, at least briefly, is caused to carry out a movement and/or is centered with respect to the stator by magnetic force.

Abstract: A method for operating an electronically commutated servo motor includes activating the servo motor by a voltage space vector generated in accordance with a commutation pattern on the basis of a predefined torque and a rotor position of a rotor of the servo motor in accordance with an optimization target. The method further includes predefining an activation range that indicates a range of permissible voltage space vectors. The servo motor is activated in such a way that only voltage space vectors within the activation range are used.

Abstract: An active accelerator pedal for a vehicle includes a pedal position sensor configured to detect a position of a pedal lever of the active accelerator pedal and to convert the position into a pedal position signal. The active accelerator pedal further includes an actuator configured to output haptic feedback to the pedal lever. The active accelerator pedal further includes an actuator controller configured to control the actuator. The pedal position sensor is configured to transmit pedal position signals to a central engine controller of the vehicle the engine controller is configured to control drive of the vehicle using the central engine controller, and the actuator controller is configured to receive a pedal position signal from the pedal position sensor.

Abstract: The disclosure relates to an apparatus and a method for adapting control of a brushless electric motor in order to influence a position of an actuator, wherein at least two values of an output variable of a sensor are recorded in order to determine a position of the actuator, an item of information relating to the position of the actuator is determined on the basis of the at least two recorded values, the determined information relating to the position of the actuator is assigned to an item of information relating to a rotor position of the electric motor, wherein the at least two recorded values are recorded at two different times in a predefined interval of time, and wherein a duration of the predefined interval of time is determined on the basis of a characteristic of the electric motor.

Abstract: A method and to a control device for controlling a haptic accelerator pedal in a motor vehicle includes displacing a pedal lever in an actuation direction between a rest position and a maximally actuated position. The pedal lever is configured to be excited by an actuator by exerting a counter force against the actuation direction to generate a haptically perceivable signal. A current position of the pedal lever relative to a current position of the actuator is determined outside the phases for generating the haptically perceivable signal, and the actuator is subsequently controlled in such a manner that the actuator actively follows a change in the determined position of the pedal lever. The positional control is configured to prevent interfering influences on the pedal lever by the actuator.

Abstract: A method is proposed for adjusting an actuator (300) of a positioning system (100). The positioning system (100) has an electronically commutated actuator drive (200) which is coupled to the actuator (300), wherein the actuator drive (200) has a permanent magnetic rotor (210), wherein the rotor (210) has a first shaft (212) which extends along a pole axis (290) of the rotor (210). The actuator drive (200) additionally has an electronically commutated stator (230), wherein the stator (230) can be energized using a space phasor (260), wherein the space phasor (260) has an electric phase and an amplitude, wherein the space phasor (260) is aligned with respect to the first shaft (212) of the rotor (210) around a difference phasing.

Abstract: A method for calibrating a drive of a throttle valve of an internal combustion engine of a motor vehicle includes detecting whether the internal combustion engine is currently running or is not running. The method further includes activating the drive to displace the throttle valve into a target position if it is detected that the internal combustion engine is currently not running. The method further includes calibrating a characteristic at the target position. A correlation between a rotor position of the drive and an output voltage of a throttle valve angle transducer follows a characteristic.

Abstract: An active accelerator pedal for a vehicle includes a pedal unit and an actuator unit. The pedal unit includes a pedal that is pivotable about a pivot axis. The actuator unit includes an electrical device and a worm gear positioned between the electrical drive and the pedal unit. The worm gear includes a worm and a driven worm element. The actuator unit is configured to apply a counterforce in a direction opposite to a pedal force exerted on the pedal.

Abstract: A method is proposed for adjusting an actuator (300) of a positioning system (100). The positioning system (100) has an electronically commutated actuator drive (200) which is coupled to the actuator (300), wherein the actuator drive (200) has a permanent magnetic rotor (210), wherein the rotor (210) has a first shaft (212) which extends along a pole axis (290) of the rotor (210). The actuator drive (200) additionally has an electronically commutated stator (230), wherein the stator (230) can be energized using a space phasor (260), wherein the space phasor (260) has an electric phase and an amplitude, wherein the space phasor (260) is aligned with respect to the first shaft (212) of the rotor (210) around a difference phasing.

Abstract: A method for controlling a position of an actuating element, to which a restoring force is applied, in an actuator system having an electronically commutated electrical machine, includes controlling the position of the actuating element as a function of a predefined setpoint position specification and an actual position specification. A position control unit provides an actuating variable which is associated with a space vector with which a stator arrangement of the electrical machine can be driven. The method further includes applying a correction variable to the space vector in order to correct a space vector angle of the space vector; providing an auxiliary signal; varying the space vector angle of the space vector, which is defined by the actuating variable, by the auxiliary signal; and integrating a variable to give an integration value.

Abstract: A method for controlling a haptic accelerator pedal in a motor vehicle includes determining a current rate of change of the pedal at which a pedal lever of the pedal changes its position between a first position of rest and a second position of maximum activation when the pedal lever is moved in an activation direction. The determined current rate of change of the pedal is compared with a predefined limiting value for the rate of change of the pedal. The actuator is activated if the determined current rate of change of the pedal is lower than the limiting value for the rate of change of the pedal. The pedal is excited by means of the actuator by applying an opposing force counter to the activation direction to generate a haptically perceptible signal if the actuator is activated when an activation condition occurs.

Abstract: An actuator system for operating a flap valve in a motor vehicle, comprising: a drive system having an electronically commutated electric motor; a movable actuating member; a mechanism that couples the drive system to the actuating member so that a displacement of the actuating member is brought about upon activation of the drive system; a position sensor for sensing a position of the actuating member on the actuating member or in the mechanism, and for making available a corresponding position indication; a control unit to activate the drive system to move the actuating member, the electric motor of the drive system being electronically commutated, the control unit being configured to make available to the electric motor, in order to move the actuating member, activation signals dependent on the position indication made available, which signals bring about a predefined drive torque or a predefined rotation speed of the electric motor.

Abstract: The disclosure relates to a method for operating a positioning actuator system with an electronically commutated actuator drive for driving an actuator element, having the following steps: non-volatile storage of a position information item of the actuator element or of a rotor of the actuator drive which was detected last as a reference position before the positioning actuator system is switched off; in the case of switching on of the positioning actuator system retrieval of the reference position and actuation of the actuator drive by energizing the actuator drive in accordance with a space phasor which is dependent on the reference position. The object is to make available an improved method for releasing blockage of an actuator element or actuation after activation of a motor system with a maximum actuating torque. For positioning actuators with commutated motors such as, for example, synchronous motors.