Abstract: Method for compensating for an interference signal in a sensor. The method includes: sampling a sensor signal from the sensor at a first sampling frequency to generate a sampled sensor signal; providing a sampled first interference signal, which is sampled at the first sampling frequency and then upsampled to a second sampling frequency, wherein the second sampling frequency is higher than the first sampling frequency, and/or providing a sampled second interference signal, wherein the interference signal is sampled at the second sampling frequency; upsampling the sensor signal sampled at the first sampling frequency to the second sampling frequency to generate an upsampled sensor signal; and filtering the provided sampled interference signals via an adaptive filter unit to generate a filtered output signal with a compensated interference signal, wherein the upsampled sensor signal is applied as a reference signal to a reference signal input of the adaptive filter unit.

Abstract: A computer-implemented method of training a Graph Neural Network for predicting second measurement results of produced products based on received first measurement results is disclosed. The method includes (i) receiving first measurement and second measurement results for a plurality of produced products, (ii) constructing graphs of the first measurements and generating a training data set by assigning the corresponding second measurement of the first measurement to the corresponding graphs, respectively, and (iii) training the Graph Neural Network on the training data set to predict the second measurements based on the graphs.

Abstract: A method for determining a phase position of a rotation rate or quadrature signal of a rotation rate sensor. The rotation rate sensor include an oscillatory system which is excited to a drive oscillation and by rotations of the sensor to a detection oscillation. In a first step, a detection signal is ascertained over a time interval, the detection signal reflecting an amplitude of the detection oscillation as a function of time, in a second step, the detection signal is separated into a first and a second signal component, the first and the second signal component being statistically independent of one another, and in a third step, the phase position of the rotation rate signal or the quadrature signal is ascertained as a function of the first signal component and/or the second signal component. A method for adapting a demodulation phase and a rotation rate sensor are also provided.

Abstract: A method for the automatic adjustment of an angle of inclination of a vehicle headlight, having the steps: continuous measurement of a rate of rotation of the vehicle headlight; calculation of a change of a gravitational acceleration vector of the vehicle headlight in the coordinate system of the vehicle headlight, using the measured rate of rotation; calculation of an angle of inclination correction using the change of the gravitational acceleration vector; and adjustment of the angle of inclination of the vehicle headlight using the angle of inclination correction.

Abstract: A method for the automatic adjustment of an angle of inclination of a vehicle headlight, having the steps: continuous measurement of a rate of rotation of the vehicle headlight; calculation of a change of a gravitational acceleration vector of the vehicle headlight in the coordinate system of the vehicle headlight, using the measured rate of rotation; calculation of an angle of inclination correction using the change of the gravitational acceleration vector; and adjustment of the angle of inclination of the vehicle headlight using the angle of inclination correction.

Abstract: A device for ascertaining a suitable position of a sensor device for detecting a measured variable includes: a detection device for detecting environmental data in a surrounding area of the sensor device; a computing unit for ascertaining the suitable position of the sensor device based on the detected environmental data and the measured variable; and an output device for displaying the ascertained suitable position of the sensor device.

Abstract: A method for activating a deflectable micromechanical actuator unit, in particular a micromirror. A periodic setpoint deflection profile of a deflection of the actuator unit is predefined at a predefined period duration. The actuator unit is periodically activated based on an activation signal according to the predefined period duration. A deflection profile of the deflection of the actuator unit is measured during at least one activation period. The activation signal is adapted for at least one of the following activation periods based on the setpoint deflection profile and on the measured deflection profile.

Abstract: A method for operating a rotation rate sensor is provided, the rotation rate sensor including a seismic mass, in a first operating step a drive signal and a test signal being provided, in a second operating step a modulation signal being generated by modulating the drive signal with the test signal, in a third operating step the seismic mass being driven to carry out a drive movement as a function of the modulation signal, a detection signal being detected as a function of a step a demodulation signal being provided, a sensor signal being generated by demodulating the detection signal with the demodulation signal, in the fourth operating step a demodulation phase of the demodulation signal being adapted in such a way that a rotation rate offset of the detection signal is compensated for.

Abstract: A micromechanical sensor device with a movable gate includes a field effect transistor having a drain region, a source region, a channel region arranged between the field effect transistor and the source region and including a first doping type, and a movable gate. The movable gate is separated from the channel region by an interspace. The drain region, the source region, and the channel region are arranged in a substrate. An oxide region is provided in the substrate at least at longitudinal sides of the channel region.

Abstract: A device for correcting a sensor signal, includes a sensor interface, a signal processing unit, a feedback unit, and a signal correction unit. The sensor interface is configured to read in a sensor signal which represents a physical variable. The signal processing unit is configured to determine a processing signal by using the sensor signal. The feedback unit is configured to output a feedback signal to the sensor and to provide the feedback signal on the basis of a nonlinear processing rule and the processing signal. The signal correction unit is configured to determine a corrected signal by using the processing signal, and to determine the corrected signal by using the nonlinear processing rule or a processing rule derived from the nonlinear processing rule.

Abstract: An analysis circuit for a field effect transistor having a displaceable gate structure, includes a measurement circuit coupled between a supply voltage connection of the analysis circuit and a drain connection of the field effect transistor and configured to output a measurement signal that is dependent on the current strength of a current flowing through the field effect transistor to a measurement connection.

Abstract: A piezoresistive micromechanical sensor component includes a substrate, a seismic mass, at least one piezoresistive bar, and a measuring device. The seismic mass is suspended from the substrate such that it can be deflected. The at least one piezoresistive bar is provided between the substrate and the seismic mass and is subject to a change in resistance when the seismic mass is deflected. The at least one piezoresistive bar has a lateral and/or upper and/or lower conductor track which at least partially covers the piezoresistive bar and extends into the region of the substrate. The measuring device is electrically connected to the substrate and to the conductor track and is configured to measure the change in resistance over a circuit path which runs from the substrate through the piezoresistive bar and from the piezoresistive bar through the lateral and/or upper and/or lower conductor track.

Abstract: A method for operating a rotation rate sensor is provided, the rotation rate sensor including a seismic mass, in a first operating step a drive signal and a test signal being provided, in a second operating step a modulation signal being generated by modulating the drive signal with the test signal, in a third operating step the seismic mass being driven to carry out a drive movement as a function of the modulation signal, a detection signal being detected as a function of a detection movement of the seismic mass, in a fourth operating step a demodulation signal being provided, a sensor signal being generated by demodulating the detection signal with the demodulation signal, in the fourth operating step a demodulation phase of the demodulation signal being adapted in such a way that a rotation rate offset of the detection signal is compensated for.

Abstract: A device for ascertaining a suitable position of a sensor device for detecting a measured variable includes: a detection device for detecting environmental data in a surrounding area of the sensor device; a computing unit for ascertaining the suitable position of the sensor device based on the detected environmental data and the measured variable; and an output device for displaying the ascertained suitable position of the sensor device.

Abstract: A micromechanical sensor apparatus has a movable gate and a field effect transistor. The field effect transistor has a drain region, a source region, an intermediate channel region with a first doping type, and a movable gate which is separated from the channel region by an intermediate space. The drain region, the source region, and the channel region are arranged in a substrate. A guard region is provided in the substrate at least on the longitudinal sides of the channel region and has a second doping type which is the same as the first doping type and has a higher doping concentration.

Abstract: A method is provided for self-calibration of a yaw rate sensor of an inertial sensor unit, in particular of a micromechanical yaw rate sensor of a micromechanical inertial sensor unit, the inertial sensor unit including an acceleration sensor and the yaw rate sensor, the yaw rate sensor including a calibration arrangement and an evaluation arrangement, a yaw rate signal of the yaw rate sensor being supplied to the evaluation arrangement in a first method step, an output signal being generated as a function of the yaw rate signal, the output signal being supplied to the calibration arrangement, an acceleration signal of the acceleration sensor being supplied to the calibration arrangement of the yaw rate sensor in a second method step, a correction signal being generated by the calibration arrangement as a function of the acceleration signal and of the output signal in a third method step, the output signal being calibrated as a function of the correction signal.

Abstract: A delta-sigma converter for a sensor signal is configured to emit a digital output signal using the sensor signal. The delta-sigma converter includes a control unit configured to generate a control signal on the basis of a frequency of signal level changes of the digital output signal. The delta-sigma converter further includes a digital compensation unit configured to emit a compensation signal using the digital output signal and the control signal. The delta-sigma converter is further configured to determine the digital output signal also using the compensation signal.

Abstract: A sensor system having a substrate and a mass which is movably suspended relative to the substrate is described, the sensor system including detection arrangement for detecting a deflection of the seismic mass relative to the substrate along a deflection direction, the detection arrangement including a first measuring electrode affixed to the substrate and a second measuring electrode affixed to the substrate, and a first overlap, which is perpendicular to the deflection direction, between the first measuring electrode and the seismic mass along the deflection direction is greater than a second overlap, which is perpendicular to the deflection direction, between the second measuring electrode and the seismic mass.

Abstract: A measurement signal correction apparatus includes an analog/digital converter, a correction factor providing unit, and a measurement signal correction unit. The analog/digital converter is configured to convert an analog measurement signal read in using an interface into a digital measurement signal using a reference frequency signal. The correction factor providing unit is configured to provide a correction factor determined on the basis of the reference frequency signal. The measurement signal correction unit is configured to multiply the digital measurement signal by the correction factor in order to obtain a corrected measurement signal.

Abstract: A method for reducing signal edge jitter in an output signal from a numerically controlled oscillator includes processing an input signal with a first accumulator to provide a first accumulator output signal and continuing to use a carry in the processing of the input signal with the first accumulator in the event of an overflow. The method further includes processing the input signal with a second accumulator to provide a second accumulator output signal and rejecting a carry in the processing of the input signal with the second accumulator in the event of an overflow. The method further includes outputting the second accumulator output signal at an output of the numerically controlled oscillator and synchronizing the second accumulator using the first accumulator output signal.