A rotatable element sensor arrangement includes a home position sensor, magnetic field-type rotation sensor arrangement, and sensor arrangement controller. The home position sensor produces a home position signal in response to a sensor position alignment with a home position feature as the rotatable element rotates about an axis of rotation. The home position feature is at a known angular orientation on the rotatable element relative to game symbol positions of the rotatable element, while the sensor position is located at a known angular orientation relative to a stationary evaluation position. The magnetic field-type rotation sensor arrangement produces a rotation signal to provide an indication of rotational angle of the rotating element along each rotation. The sensor arrangement controller receives the home position signal and rotation signal and produces a sensor arrangement output indicative of a position of the series of game symbol positions relative to the evaluation position.

A method of correcting a position reading from a position sensing arrangement. The position sensing arrangement is suitable for sensing the position of a revolute joint of an articulated structure, and comprises a disc having a magnetic ring with magnetic pole pairs and a magnetic sensor assembly comprising a magnetic sensor array for detecting the magnetic pole pairs of the magnetic ring. The method comprises: for each pole pair of the magnetic ring, taking a calibration pole pair position reading with the magnetic sensor array, and generating a pole pair correcting function by comparing the calibration pole pair position reading with a model pole pair position reading; averaging the pole pair correcting functions of the pole pairs of the magnetic ring to generate an average pole pair correcting function for the magnetic ring; taking a position reading with the magnetic sensor array, the position reading comprising a plurality of pole pair position readings; and generating a corrected position reading by deducting the average pole pair correcting function from each pole pair position reading.

A method of correcting a position reading from a position sensing arrangement. The position sensing arrangement is suitable for sensing the position of a revolute joint of an articulated structure, and comprises a disc having a magnetic ring with magnetic pole pairs and a magnetic sensor assembly comprising a magnetic sensor array for detecting the magnetic pole pairs of the magnetic ring. The method comprises: for each pole pair of the magnetic ring, taking a calibration pole pair position reading with the magnetic sensor array, and generating a pole pair correcting function by comparing the calibration pole pair position reading with a model pole pair position reading; averaging the pole pair correcting functions of the pole pairs of the magnetic ring to generate an average pole pair correcting function for the magnetic ring; taking a position reading with the magnetic sensor array, the position reading comprising a plurality of pole pair position readings; and generating a corrected position reading by deducting the average pole pair correcting function from each pole pair position reading.

A method for door lock calibration, a calibration apparatus, a door lock, and a non-transitory computer storage medium are provided in the disclosure. The method for door lock calibration includes the following. A first magnetic-field-intensity numerology at a position of a door in an ajar state, a second magnetic-field-intensity numerology at a position of the door in an open state, and a third magnetic-field-intensity numerology at a position of the door in a locked state are collected. A mapping relationship between the ajar state of the door and the first magnetic-field-intensity numerology, a mapping relationship between the open state of the door and the second magnetic-field-intensity numerology, and a mapping relationship between the locked state of the door and the third magnetic-field-intensity numerology are transmitted to a database.

A method for door lock calibration, a calibration apparatus, a door lock, and a non-transitory computer storage medium are provided in the disclosure. The method for door lock calibration includes the following. A first magnetic-field-intensity numerology at a position of a door in an ajar state, a second magnetic-field-intensity numerology at a position of the door in an open state, and a third magnetic-field-intensity numerology at a position of the door in a locked state are collected. A mapping relationship between the ajar state of the door and the first magnetic-field-intensity numerology, a mapping relationship between the open state of the door and the second magnetic-field-intensity numerology, and a mapping relationship between the locked state of the door and the third magnetic-field-intensity numerology are transmitted to a database.

An illuminated sensor target includes a light source. Actuating the light source illuminates the sensor target. The illuminated sensor target is recognized by one or more sensors of a vehicle during a calibration process, and is used to calibrate the one or more sensors of the vehicle during the calibration process. The illuminated sensor target is illuminated during at least part of the calibration process, which may involve rotation of the vehicle about a turntable, with the illuminated sensor target positioned within a range of the turntable along with other sensors targets, which may also be illuminated.

A joint component includes a ball joint with a joint housing that defines a stud opening and a measurement port opposite the stud opening in an axial direction. A ball stud includes a joint ball movably fitted in the joint housing, where the joint ball faces toward the measurement port and the ball stud extends out of the housing through the stud opening. A component body includes a joint-holding housing that defines a joint opening and has a base opposite the joint opening in the axial direction. The joint housing is inserted into the component body with its measurement port facing toward the base. An angle measurement device has an angle sensor to capture a signal that characterizes an angular position of the ball stud relative to the joint housing. The angle measurement device can hold the angle sensor in a sensor holder between the base and the joint housing.

A sensor may be automatically calibrated during manufacture by providing a sensor processing unit having an integrated sensor, performing a check to determine if the integrated sensor has been previously calibrated upon a reset. When it has been determined the integrated sensor has not been previously calibrated, an automated calibration pattern may be imparted to the sensor so that a calibration parameter is determined.

A sensor may be automatically calibrated during manufacture by providing a sensor processing unit having an integrated sensor, performing a check to determine if the integrated sensor has been previously calibrated upon a reset. When it has been determined the integrated sensor has not been previously calibrated, an automated calibration pattern may be imparted to the sensor so that a calibration parameter is determined.

A method includes identifying sets of sensor data associated with wafers processed via wafer processing equipment and identifying sets of metrology data associated with the wafers processed via the wafer processing equipment. The method further includes generating sets of aggregated sensor-metrology data, each of the sets of aggregated sensor-metrology data including a respective set of sensor data and a respective set of metrology data. The method further includes causing, based on the sets of aggregated sensor-metrology data, performance of a corrective action associated with the wafer processing equipment.