Abstract: A sensor device for detecting a magnetic field. The sensor device includes a Wiegand sensor unit and a Wiegand trigger unit. The Wiegand sensor unit includes at least two Wiegand wires and a coil arrangement which is arranged to radially surround the at least two Wiegand wires. The coil arrangement provides a sensor element and a trigger element which generates a trigger magnetic field. The Wiegand trigger unit includes a Wiegand wire and a sensor coil which is arranged to radially surround the Wiegand wire. A first end of the sensor coil of the Wiegand trigger unit is electrically connected to a first end of the trigger element of the Wiegand sensor unit, and a second end of the sensor coil of the Wiegand trigger unit is electrically connected to a second end of the trigger element of the Wiegand sensor unit.

Abstract: The invention refers to an absolute value rotary encoder (100) for detecting a rotational movement of a shaft (101), comprising: a revolution counting device (3) for determining a revolution count value (U), with a Wiegand sensor (3.1), a magnetic field sensor (3.2), and a permanent-magnetic rotor unit (3.3) which is designed to be mounted co-rotatably with the shaft (101) and which is designed in such a way that a magnetic field which alternates at least four times per revolution is generated by the permanent-magnetic rotor unit (3.3) in the mounted state in the case of a uniform rotational movement of the shaft (101) at the location of the Wiegand sensor (3.1), an angular position measuring device (4) for determining a current angular position (W) of the shaft (101), and an evaluation device (5) having a non-volatile data memory (5.

Abstract: A method for initializing a Wiegand-sensor-based rotary angle measuring system. The method includes mounting the Wiegand-sensor-based rotary angle measuring system at a place of use, and feeding an initialization alternating current into a sensor coil which, after the mounting, radially surrounds a Wiegand wire. The initialization alternating current is provided with a current direction which alternates with time and with a current amplitude which decreases with time.

Abstract: A capacitive rotary angle measuring system for detecting a rotary movement of a shaft includes a sensor unit, a carrier signal generator, an evaluation unit, and a carrier signal adaptation unit. The sensor unit includes a transmitting electrode arrangement and a receiving electrode arrangement which are capacitively coupled together, and a coupling device which co-rotates with the shaft and which varies an electric capacity between the receiving and the transmitting electrode arrangement based on a rotational position of the coupling device. The carrier signal generator is electrically connected to the transmitting electrode arrangement and generates an electrical carrier signal. The evaluation unit is electrically connected to the receiving electrode arrangement and senses an electric measurement signal generated at the receiving electrode arrangement and determines a current rotary angle measurement value.

Abstract: A method for initializing a rotation angle measuring system. The method includes setting a predefined initialization angular position of a rotor unit relative to a stator unit, reading an actual partial rotation count value from a data storage, wherein the actual partial rotation count value indicates a number of partial rotations (360°/N) of the rotor unit relative to the stator unit, where N=2n (n=1, 2, 3 . . . ), determining an actual subsegment value from the actual partial rotation count value, wherein the actual subsegment value indicates in which (360°/N) subsegment of a full rotation the rotor unit is located relative to the stator unit, and increasing or decreasing the actual subsegment value stored in the data storage if the actual subsegment value does not match a target subsegment value which is assigned to the predefined initialization angular position.

Abstract: A magnet-based angle-of-rotation sensor system for detecting a shaft's rotational movement includes an excitation unit having a magnet, a Wiegand sensor unit having a Wiegand wire arranged within a sensor coil, a sensor unit, and an evaluation electronics. The excitation unit rotates with the shaft and generates an alternating excitation magnetic field at the Wiegand sensor unit and at the sensor unit. The Wiegand sensor unit generates Wiegand sensor voltage pulses in the sensor coil via magnetic field. The sensor unit detects the magnetic field and provides a sensor signal. The evaluation electronics detects the Wiegand sensor voltage pulses and determines a number of revolutions based thereon, and receives the sensor signal and determines an angle of rotation value based thereon. The evaluation electronics alternately applies a first and a second compensation parameter to the received magnetic field sensor signal when determining the angle of rotation value.

Abstract: A sensor device for detecting a magnetic field. The sensor device includes a Wiegand sensor unit and a Wiegand trigger unit. The Wiegand sensor unit includes at least two Wiegand wires and a coil arrangement which is arranged to radially surround the at least two Wiegand wires. The coil arrangement provides a sensor element and a trigger element which generates a trigger magnetic field. The Wiegand trigger unit includes a Wiegand wire and a sensor coil which is arranged to radially surround the Wiegand wire. A first end of the sensor coil of the Wiegand trigger unit is electrically connected to a first end of the trigger element of the Wiegand sensor unit, and a second end of the sensor coil of the Wiegand trigger unit is electrically connected to a second end of the trigger element of the Wiegand sensor unit.

Abstract: A drive arrangement for a door device which includes a door member. The drive arrangement includes a door shaft, a driven shaft which is operatively connected to the door shaft, a transmission arrangement which drives the door shaft, and at least one electric motor which is coupled to the transmission arrangement to move the door member of the door device from a closed state to an open state and vice versa. The at least one electric motor has at least one eccentric drive shaft. The transmission arrangement includes an eccentric gear transmission which has at least two orbiting toothed disks, each of which have an internal toothing. The at least two orbiting toothed disks are driven by the at least one eccentric drive shaft of the at least one electric motor, and, via the internal toothing, engage with the driven shaft.

Abstract: A Sensor network system (10) with a plurality of sensor devices (12_1 12_5), each comprising: a detection unit (16, 18) for detecting a physical quantity and for providing a corresponding measurement signal, a computing unit (20) for processing the measurement signal and for providing measurement data (M_1-M_5) which is based on the measurement signal, and a data interface (22) via which output data (A_1-A_5) can be read out, is known. In order to provide an efficient sensor network system (10), according to the present invention, a central evaluation unit (24) is provided, which is configured to: determine individual output data (A_1-A_5) for the at least two sensor devices (12_1-12_5) based on the measurement data (M_1-M_5) of at least two of the sensor devices (12) via a central evaluation algorithm, and provide the determined output data (A_1-A_5) to the respective sensor device (12_1-12_5).

Abstract: A magnet-based detection system includes an excitation unit having a magnet generating a magnetic field, and a sensor unit having a power Wiegand module, a sensor Wiegand module, an energy storage arrangement, and an evaluation unit. The power Wiegand module includes a power Wiegand coil, and a power Wiegand wire arrangement which generates a power output signal via the magnetic field. The sensor Wiegand module includes a sensor Wiegand coil, and a sensor Wiegand wire arrangement which generates a sensor output signal via the magnetic field. The sensor and the power Wiegand wire arrangements are different, and/or the sensor and the power Wiegand coils are different. The energy storage arrangement stores electrical energy. The evaluation unit evaluates the sensor output signal. The excitation unit or the sensor unit is connected with a movable object to co-move therewith, with the excitation unit or the sensor unit not so connected being immovable.

Abstract: A sensor device and a sensor system for monitoring a machine. The sensor device includes a gyroscope sensor unit and/or an acceleration sensor unit, a radio interface which transmits data via a radio signal, and a distance determination unit which analyzes a received radio signal and determines, based on the received radio signal, an antenna distance to an antenna device from which the received radio signal was transmitted. The sensor system includes a plurality of the sensor device and a position determination unit. The position determination unit receives measurement data of the gyroscope sensor unit and/or the acceleration sensor unit, receives the antenna distance of at least two sensor devices, and determines, based on the measurement data and the antenna distances provided, position data for the two sensor devices which indicate a spatial position of the two sensor devices relative to each other.

Abstract: An impulse wire module and a method for manufacturing thereof. The impulse wire includes a module housing which defines a housing chamber, a wire winding which is formed by a winding wire and which is arranged at least partially within the housing chamber, an impulse wire which extends at least partially within the wire winding, a contacting device which provides an external electrical contacting of the impulse wire module, and a material-locking connection. The contacting device is attached to the module housing and is electrically connected with the wire winding. The material-locking connection connects the winding wire with the contacting device. The method for manufacturing the impulse wire includes inserting the wire winding into the module housing, bringing the winding wire to the contacting device, and providing the material-locking connection between the winding wire and the contacting device.

Abstract: A rotary angle measuring arrangement includes a shaft, and a rotary angle measuring system which detects a rotary shaft movement. The rotary angle measuring system includes an excitation unit connected to the shaft which generates a magnetic field, a magnetic field sensor, a PCB arrangement, and an evaluation electronics arranged on the PCB arrangement and electrically connected to the magnetic field sensor. The PCB arrangement includes a first PCB section arranged perpendicular to a longitudinal axis of the shaft, and a second PCB section angled with respect to the first PCB section and electrically connected thereto. The magnetic field sensor is arranged on the first PCB section. The magnetic field is detectable via the magnetic field sensor. A parallel projection of the second PCB section onto a longitudinal plane parallel to the longitudinal axis and a parallel projection of the excitation unit onto the longitudinal plane at least partially overlap.

Abstract: A method for initializing a rotation angle measuring system. The method includes setting a predefined initialization angular position of a rotor unit relative to a stator unit, reading an actual partial rotation count value from a data storage, wherein the actual partial rotation count value indicates a number of partial rotations (360°/N) of the rotor unit relative to the stator unit, where N=2n (n=1, 2, 3 . . . ), determining an actual subsegment value from the actual partial rotation count value, wherein the actual subsegment value indicates in which (360°/N) subsegment of a full rotation the rotor unit is located relative to the stator unit, and increasing or decreasing the actual subsegment value stored in the data storage if the actual subsegment value does not match a target subsegment value which is assigned to the predefined initialization angular position.

Abstract: A maintenance system for a gate device includes a controller, at least one temperature sensor, and an evaluation unit. The controller has a motor control unit which actuates a drive apparatus for driving a gate member, and a non-volatile memory which stores gate data. The gate data is retrievable from the non-volatile memory. The at least one temperature sensor is arranged in a region of the drive apparatus. The at least one temperature sensor continuously transmits a detected temperature as further gate data to the non-volatile memory of the controller. The evaluation unit creates a temperature curve for each of the at least one temperature sensor over a preset operating cycle. A comparison of more than one temperature curve allows a conclusion to be drawn of a need for maintenance of the gate device.

Abstract: A method for initializing a Wiegand-sensor-based rotary angle measuring system. The method includes mounting the Wiegand-sensor-based rotary angle measuring system at a place of use, and feeding an initialization alternating current into a sensor coil which, after the mounting, radially surrounds a Wiegand wire. The initialization alternating current is provided with a current direction which alternates with time and with a current amplitude which decreases with time.

Abstract: A sensor device includes an excitation magnet which generates an alternating excitation magnetic field, an energy generator having a pulse wire module in which electric energy pulses are generatable via the alternating excitation magnetic field, at least one sensor element which senses a physical variable and which provides a sensor signal, an evaluation unit which evaluates the sensor signal, and a wireless data interface which is connected to the evaluation unit via a data connection. The at least one sensor element and the evaluation unit are each electrically connected to the energy generator and are suppliable with an electric energy thereby.

Abstract: A capacitive rotary angle measuring system for detecting a rotary movement of a shaft includes a sensor unit, a carrier signal generator, an evaluation unit, and a carrier signal adaptation unit. The sensor unit includes a transmitting electrode arrangement and a receiving electrode arrangement which are capacitively coupled together, and a coupling device which co-rotates with the shaft and which varies an electric capacity between the receiving and the transmitting electrode arrangement based on a rotational position of the coupling device. The carrier signal generator is electrically connected to the transmitting electrode arrangement and generates an electrical carrier signal. The evaluation unit is electrically connected to the receiving electrode arrangement and senses an electric measurement signal generated at the receiving electrode arrangement and determines a current rotary angle measurement value.

Abstract: A magnetic-field sensor device includes at least two impulse wires, a coil assembly which radially surrounds the at least two impulse wires, the coil assembly defining a sensor element and a feedback element which generates an auxiliary magnetic field, an energy storage which is electrically connected to the coil assembly, a switching element which is electrically connected to the energy storage and to the feedback element, and a control unit which electrically controls the switching element.

Abstract: A calibration apparatus for a rotational angle measuring system includes a measuring system shaft and a measuring system housing. The calibration apparatus includes a shaft holding device which, in a calibration position, rotates about an axis of rotation and is co-rotatably connected to the measuring system shaft, and, in a load position, is decoupled from the measuring system shaft, a rotationally static housing holding device which, in the calibration position, is co-rotatably connected to the measuring system housing, and, in the load position, is decoupled from the measuring system housing, and a drive motor which drives the shaft holding device. In the calibration position, the shaft holding device has clamping jaws which are pressable onto the radial outer side of the measuring system shaft, and/or, the rotationally static housing holding apparatus has movable pistons which are pressable onto the radial outer side of the measuring system housing.