Abstract: The disclosure relates to a method for determining a driver state of a motor-assisted vehicle, in particular an electric bicycle, wherein a vehicle performance characteristic, a handling characteristic, and a driver performance characteristic are provided to determine the driver state.

Abstract: A sensor system for a bicycle. The system system includes a magnetic field sensor and an acceleration sensor unit having at least one acceleration sensor, and an evaluation unit that is designed to acquire signals from the magnetic field sensor and the acceleration sensor unit. The magnetic field sensor and the acceleration sensor unit are designed for attachment to a wheel of the bicycle. The magnetic field sensor and the acceleration sensor unit are fixed relative to each other and are situated at a predefined distance with respect to an axis of rotation. The evaluation unit is designed to evaluate the signals of the magnetic field sensor and the acceleration sensor unit to ascertain a rotational speed and/or orientation of the magnetic field sensor and/or acceleration sensor unit with respect to the axis of rotation.

Abstract: A method for plausibilizing a sensor signal of a single-track vehicle. The method includes: estimating gear ratios between a wheel speed of a wheel and a pedaling frequency of a pedal of a pedal unit and/or a drive speed of a drive of the single-track vehicle at multiple points in time; ascertaining a value of a reliability indicator based on the estimated gear ratios, the value of the reliability indicator being ascertained with the aid of a statistical parameter, in particular a variance, of the estimated gear ratios and/or a histogram of the estimated gear ratios; and plausibilizing the sensor signal based on a comparison of the value of the reliability indicator with a threshold value, the threshold value corresponding to a maximally permissible value of the reliability indicator.

Abstract: A method for authenticating a message transmitted via a communication channel, including the following: sampling recurring signal edges within a data frame of the message, sampling values being obtained with a start time that is offset between the signal edges, reconstructing an average signal characteristic of a part of the message from the sampling values, calculating signal-technical properties of the data frame from the signal characteristic, and the message is authenticated based on the properties.

Abstract: A method for operating a hardware platform for the inference calculation of a layered neural network. In the method: a first portion of input data which are required for the inference calculation of a first layer of the neural network and redundancy information relating to the input data are read in from an external working memory into an internal working memory of the computing unit; the integrity of the input data is checked based on the redundancy information; in response to the input data here being identified as error-free, the computing unit carries out at least part of the first-layer inference calculation for the input data to obtain a work result; redundancy information for the work result is determined, based which the integrity of the work result can be verified; the work result and the redundancy information are written to the external working memory.

Abstract: A method for encoding and storing digital data, which include a plurality of real values, in a signal processing unit of a radar sensor. In the method, at least one real value r in an exponential representation in the form r=m·b?k is stored, where m is a digital mantissa having a length p, b is a base, and k is a positive number that is encoded as a digital number having a length q. The values r for the compressed storage are transformed into an exponential representation in the form r=m*·b?f(k), where m* is the mantissa and f is a function of k that is selected from multiple functions, and the selection of function f takes place based on a value distribution of the values to be stored.

Abstract: A computer-implemented method for calculating an output value of a neural network including multiple neurons as a function of neuron output values. The method includes: checking neuron functions of one or of multiple neurons of a neuron group; when establishing an error in the neuron group, determining a criticality of the error; correcting the neuron output values of at least one of the one or of the multiple neurons of the neuron group as a function of the criticality of an established error.

Abstract: A processor system comprises at least a program counter structure, an interrupt control device, a memory, and an apparatus. The interrupt control device is configured to respond to an interrupt request by providing the program counter structure with an address associated with the interrupt request. The program counter structure is configured to output the address to the memory via a memory interface. The apparatus is configured to protect the program counter structure in case of an interrupt request, the apparatus includes an interface, a comparing device, and an outputting device.

Abstract: A method for encoding and storing digital data, which include a plurality of real values, in a signal processing unit of a radar sensor in which at least one real value r in an exponential representation in the form r=m·b?k is stored, where m is a digital mantissa having a length p, b is a base, and k is a positive number that is encoded as a digital number having a length q. An exponential representation with b>2 is used for the compressed storage of the values r.

Abstract: A method for encoding and storing digital data, which include a plurality of real values, in a signal processing unit of a radar sensor. In the method, at least one real value r in an exponential representation in the form r=m·b?k is stored, where m is a digital mantissa having a length p, b is a base, and k is a positive number that is encoded as a digital number having a length q. The values r for the compressed storage are transformed into an exponential representation in the form r=m*·b?f(k), where m* is the mantissa and f is a function of k that is selected from multiple functions, and the selection of function f takes place based on a value distribution of the values to be stored.

Abstract: A method for authenticating a message transmitted via a communication channel, including the following: sampling recurring signal edges within a data frame of the message, sampling values being obtained with a start time that is offset between the signal edges, reconstructing an average signal characteristic of a part of the message from the sampling values, calculating signal-technical properties of the data frame from the signal characteristic, and the message is authenticated based on the properties.

Abstract: A processor system comprises at least a program counter structure, an interrupt control device, a memory, and an apparatus. The interrupt control device is configured to respond to an interrupt request by providing the program counter structure with an address associated with the interrupt request. The program counter structure is configured to output the address to the memory via a memory interface. The apparatus is configured to protect the program counter structure in case of an interrupt request, the apparatus includes an interface, a comparing device, and an outputting device.

Abstract: A sensor system for furnishing a D-dimensional measured signal encompasses at least N sensors (where D<N) sensors that have measurement directions linearly independent of one another; a stimulus source for furnishing a periodic stimulus signal for each of the sensors, the stimulus signals having mutually orthogonal frequencies; and a processing device for removing the stimulus signals from the sensor signals and for furnishing the D-dimensional measured signal.

Abstract: A sensor system for furnishing an N-dimensional measured signal encompasses at least N+1 sensors that have measurement directions linearly independent of one another; a stimulus source for furnishing a periodic stimulus signal for each of the sensors, the stimulus signals having mutually orthogonal frequencies; and a processing device for removing the stimulus signals from the sensor signals and for furnishing the N-dimensional measured signal.

Abstract: A system for checking a program memory) of a processing unit includes a check module, and the processing unit is made up of an instruction counter connected to the check module. The check module has a register connected to a first changeover switch that sets the register content. In a system that allows for the instruction addresses of the entire program memory to be checked, the instruction counter contains an ancillary counter, which runs through the instruction address space of the program memory independently of the program code during normal operation and which is connected to the register.

Abstract: The invention relates to an electronically commutated electric motor comprising a stator and an especially permanent-magnetic rotor. The electric motor also comprises a control unit which is effectively connected to the stator and is designed to generate control signals for commutating the stator in such a way that the stator can generate a rotating magnetic field in order to rotate the rotor. The electric motor further comprises at least one rotor position sensor which is designed to detect a position, especially an angular position, of the rotor and generate a rotor position signal representing the position of the rotor. The control unit is designed to generate the control signals in accordance with the rotor position signal. According to the invention, the control unit is designed to sample and quantize the rotor position signal and generate a digital rotor position signal.

Abstract: A system for checking a program memory) of a processing unit includes a check module, and the processing unit is made up of an instruction counter connected to the check module. The check module has a register connected to a first changeover switch that sets the register content. In a system that allows for the instruction addresses of the entire program memory to be checked, the instruction counter contains an ancillary counter, which runs through the instruction address space of the program memory independently of the program code during normal operation and which is connected to the register.

Abstract: One inventive aspect relates to an emulation system for real-time simulation of the physical layer of an analog communication system based at least on partly digital computation. The emulation system comprises a digital portion configured to perform digital computations and represent at least part of the signal propagation in the communication system. The system further comprises an analog portion configured to perform analog signal processing and represent other aspects of the physical layer of the communication system. The analog portion provides inputs to and receives outputs from the digital portion. The digital portion is configured to digitally compensate for inaccuracies introduced by the analog portion. Methods of emulating communication systems are also provided.