Abstract: A method and system for processing signals from a plurality of groups of sensors are described. Each group includes a first sensor and at least one additional sensor. A first sensor identifier and first sensor data are received from the first sensor. At least one additional sensor identifier and additional sensor data are also received from the additional sensor(s). The first sensor and the additional sensor(s) of each group are co-located. The first sensor identifier is associated with the additional sensor identifier(s) for each group. Calibration information for the first sensor is obtained based on the first sensor identifier and the additional sensor identifier(s). The calibration information is specific to the first sensor having the first sensor identifier. Corrected first sensor data for each of the groups is provided based on the first sensor data, the additional sensor data and the calibration information.

Abstract: An automated vehicle radar system capable of self-calibration includes an antenna, a transceiver, and a controller. The antenna broadcasts a radar-signal and detects a reflected-signal reflected by an object. The transceiver determines a distance, an angle, and a range-rate of the object relative to the antenna based on the radar-signal and the reflected-signal. The controller determines a speed of a host-vehicle; determines when the object is stationary based on the speed, the angle, and the range-rate; stores in a memory a plurality of detections that correspond to multiple instances of the distance, the angle, and the range-rate as the host-vehicle travels by the object; selects an ideal-response of angle versus range-rate based on the speed; determines a calibration-matrix of the system based on a difference between the plurality of detections and the ideal-response; and adjusts an indicated-angle to a subsequent-object in accordance with the calibration-matrix.

Abstract: A part measuring kit for a rotary table on a machine bed includes a part fixture mountable on the rotary table for retaining a part to be measured and/or an object having known dimensions. The kit further includes a measuring device mountable on the machine bed and movable relative to the rotary table for taking measurements of the part to be measured and/or the object having known dimensions, wherein the rotary table is rotatable between each taken measurement. The kit further includes a calibration offset calculator for calculating a calibration offset for the measuring device by comparing taken measurements of the object having known dimensions with the known dimensions, and correcting taken measurements of the part to be measured via the calculated calibration offset.

Abstract: A wavelength shift correction system and method includes a wavelength shift correction light source that emits wavelength shift correction light including a plurality of rays of wavelength shift correction emission-line light; and a spectrometer including a spectroscopic unit that receives the respective rays of dispersed spectral light obtained by dispersing incident light in accordance with wavelength with a plurality of photoelectric converters in the dispersion direction, and outputs electrical signals corresponding to the light intensities of the rays of dispersed spectral light.

Abstract: A method for determining information regarding the displacement of an object from measurements provided by an accelerometer associated with the object. The method comprises the steps of detecting acceleration peaks in the measurements, of calculating one or more characteristics of the acceleration peaks detected, and of determining a mode of travel of the object from the characteristics of the acceleration peaks. The measurements undergo non-uniform resampling upon the detection of local extrema.

Abstract: The present disclosure describes a system for data collection in an industrial environment. The system can include an industrial system comprising a plurality of components each operatively coupled to a sensor, a sensor communication circuit to interpret the sensor data values in response to a sensed parameter group, a pattern recognition circuit to determine a recognized pattern value in response to a least a portion of the sensor data values, and a sensor learning circuit to update the sensed parameter group in response to the recognized pattern value, wherein the sensor communication circuit also adjusts the interpreting of the plurality of sensor data values in response to the updated sensed parameter group.

Abstract: Provided is a light detection and ranging (LiDAR) system including: a light source; a beam steering device configured to steer light emitted from the light source toward an object; a light detector configured to detect light reflected from the object; and a processor. The beam steering device may include an optical phased array, including a plurality of channels, and a signal input unit which applies a plurality of driving signals to the plurality of channels. The processor is configured to perform an optimization operation including analyzing the light detected by the light detector, calculating at least one correction value, and controlling the plurality of driving signals according to the at least one correction value, in order to correct an error of the beam steering device.

Abstract: Methods, apparatus, and systems for calibrating the Zero Rate Offset (ZRO) of a gyroscope are disclosed.

Abstract: A calibration method performed by a distance sensor emitting at least one beam is provided. The calibration method includes obtaining information regarding one surface of an object; obtaining distance sensor data by emitting a plurality of beams to the one surface of the object; and performing calibration on the plurality of beams emitted by the distance sensor, based on the information about the one surface of the object and the distance sensor data.

Abstract: The present technology relates to a chip module, a signal processing method, and electronic equipment that are aimed at enabling a change before and after mounting a module to be debugged and enabling a mounting module to be easily designed. A gyro module includes a MEMS that is formed into a chip and an IC that processes a detection signal from the MEMS, which are arranged above and below. The IC has a temperature sensor and stress sensor that detect an external environment within the IC in plurality and outputs difference values obtained by subtracting reference sensor values that are sensor values of the temperature sensors and the stress sensors at the time of calibration from sensor values detected by a plurality of the temperature sensors and the stress sensors respectively. The present technology can be applied, for example, to the gyro module or the like.

Abstract: A skin color detection method comprises: determining chrominance signal values in a luminance chrominance YUV domain of a pixel value corresponding to each pixel point in a target image under skin color detection; searching for a skin color probability corresponding to the chrominance signal values in a stored skin color index matrix based on the chrominance signal values in the YUV domain of the pixel value corresponding to the pixel point, wherein the skin color index matrix is generated through processing skin color images under various illumination conditions, and the skin color probability is a probability that the pixel point is a skin color point; and performing skin color detection based on the skin color probability corresponding to the chrominance signal values of each pixel point in the target image. A skin color detection apparatus and a storage medium are further provided.

Abstract: A method for calibrating phase-frequency characteristics of low frequency accelerometer based on time-spatial synchronization, comprises: measuring excitation displacement of the low frequency accelerometer to realize excitation acceleration measurement of the low frequency accelerometer; realizing alignment of the excitation acceleration signal of the low frequency accelerometer with output voltage signal of the low frequency accelerometer in the spatial domain based on TSS technology, fitting the excitation acceleration signal and the output voltage signal respectively by SAM, and calculating phase ?F of the excitation acceleration signal at a zero position of horizontal long-stroke shaker and phase ?Z of the output voltage signal at the time when a zero encoder on the shaker outputs pulse; and calculating the sensitivity phase of the low frequency accelerometer with ?Z and ?F, and determining phase-frequency characteristics of the low frequency accelerometer by calibrating the sensitivity phases at differe

Abstract: A rotation rate sensor includes a substrate and a drive structure that is movable relative to the substrate and is fastened to the substrate via a spring system that includes first and second spring components that each connects the drive structure and the substrate and that are joined by an intermediate piece, the drive structure being joined to the intermediate piece via the first portion, and the intermediate piece or a center area, which is at least partially situated between the first and second portions, being joined to the substrate via the second portion, the first and/or second portions having a respective varying base area in a respective main extension direction of the first and second portions, respectively.

Abstract: A calibration work support device includes a calibration target setter that sets a target value of a simulation signal input to a device in calibration of the device, a simulation signal acquirer that acquires an input value based on the simulation signal, a proper range determiner that determines whether the input value is within a proper range for the target value, a proper range notifier that notifies a user whether the input value is within the proper range, an output value acquirer that acquires an output value output from the device in accordance with the simulation signal, a condition determiner that determines whether at least one of the input value and the output value satisfies a predetermined condition, and a recorder that records the input value and the output value if at least one of the input value and the output value satisfies the predetermined condition.

Abstract: A pressure measurement device comprising a pressure sensor of a first type and a pressure sensor of a second type different from the first, which sensors are mounted on a common support in order to be subjected to the same pressure, in which the pressure sensor of the first type is of the capacitive type, the device being characterized in that the pressure sensor of the first type comprises at least one membrane and a first internal channel passing through the common support, a second internal channel bringing a fluid to the membrane being in fluid flow connection with the first internal channel. A calibration method associated with the device.

Abstract: Aspects of the disclosure are directed to voltage-based current sensing. In accordance with one aspect, voltage-based current sensing may include performing a coarse calibration of a voltage based current sensor to determine a coarse offset; performing a fine calibration of the voltage based current sensor to determine a fine offset; performing a frequency calibration of the voltage based current sensor to determine a frequency offset; and performing a transfer function calibration of the voltage based current sensor to determine a sensor transfer function using one or more of the coarse offset, the fine offset and the frequency offset; and measuring a load current using the sensor transfer function.

Abstract: The technology relates to controlling a vehicle in an autonomous driving mode. For instance, sensor data identifying an object in an environment of the vehicle may be received. A grid including a plurality of cells may be projected around the object. For each given one of the plurality of cells, a likelihood that the object will enter the given one within a period of time into the future is predicted. A contour is generated based on the predicted likelihoods. The vehicle is then controlled in the autonomous driving mode in order to avoid an area within the contour.

Abstract: A system and method include a wavelength shift correction light source emitting wavelength shift correction emission-line light and a spectrometer including: a spectroscopic unit receiving with photoelectric conversion elements rays of dispersed spectral light obtained by dispersing incident light based on wavelength, and outputs electrical signals corresponding to light intensities of the rays of dispersed spectral light; and a unit that measures temperature of the spectroscopic unit. When the wavelength shift correction emission-line light is measured as the incident light with the spectrometer, this system and method determine wavelength shift correction time emission-line wavelength corresponding to wavelength shift correction emission-line light, based on electrical signals from photoelectric conversion elements receiving wavelength shift correction emission-line light, and the measured temperature.

Abstract: System, methods, and other embodiments described herein relate to improving calibration of an onboard sensor of a vehicle. In one embodiment, a method includes, in response to acquiring sensor data from a surrounding environment of the vehicle using the onboard sensor, analyzing the sensor data to determine calibration parameters for the onboard sensor. The method includes identifying a suitability parameter that characterizes how well the surrounding environment provides for determining the calibration parameters. The method includes generating annotations within a map that specify at least the suitability parameter for a location associated with the sensor data. In further aspects, the method includes identifying, from the map, a calibration route for the vehicle that is a deviation from a current route in response to determining that the calibration state of the onboard sensor does not satisfy the calibration threshold.

Abstract: A method and an apparatus for detecting a background noise of a sensor, relating to the technical field of electronics, are provided. The method for detecting a background noise of a sensor includes: receiving a sampling value output by the sensor and judging whether the sampling value falls within a background noise acceptable range; selecting the sampling value as a current background noise sampling value when the sampling value falls within the background noise acceptable range; and calculating a current background noise of the sensor according to a previous background noise and the current background noise sampling value of the sensor. Also provided is an apparatus for detecting a background noise of a sensor.

Abstract: An ensemble of motion sensors is tested under known conditions to automatically ascertain instrument biases, which are modeled as autoregressive-moving-average (ARMA) processes in order to construct a Kalman filter. The calibration includes motion profiles, temperature profiles and vibration profiles that are operationally significant, i.e., designed by means of covariance analysis or other means to maximize, or at least improve, the observability of the calibration model's structure and coefficients relevant to the prospective application of each sensor.

Abstract: A system for intelligently implementing an autonomous agent that includes an autonomous agent, a plurality of infrastructure devices, and a communication interface. A method for intelligently calibrating infrastructure (sensing) devices using onboard sensors of an autonomous agent includes identifying a state of calibration of an infrastructure device, collecting observation data from one or more data sources, identifying or selecting mutually optimal observation data, specifically localizing a subject autonomous agent based on granular mutually optimal observation data, identifying dissonance in observation data from a perspective of a subject infrastructure device, and recalibrating a subject infrastructure device.

Abstract: Aspects of the disclosure provide for controlling a vehicle in an autonomous driving mode. For instance, sensor data for an object as well as a plurality of predicted trajectories may be received. Each predicted trajectory may represent a plurality of possible future locations for the object. A grid including a plurality of cells, each being associated with a geographic area, may be generated. Probabilities that the object will enter the geographic area associated with each of the plurality of cells over a period of time into the future may be determined based on the sensor data in order to generate a heat map. One or more of the plurality of predicted trajectories may be compared to the heat map. The vehicle may be controlled in the autonomous driving mode based on the comparison.

Abstract: A method includes determining that a portion of a force applied to a sensor system was applied to a non-inclusive region of the sensor system. An activation area of the non-inclusive region may be determined. A force distribution of the non-inclusive region may be determined. A corresponding force measurement of the non-inclusive region based on the activation area and the force distribution may be calculated.

Abstract: The present disclosure illustrates a calibration circuit for a pressure sensing device. The calibration circuit, via at least one passive component installed in the pressure sensing device, obtains a calibration gain factor of at least one converter also installed in the pressure sensing device, and when the pressure sensing device is in a regular operating mode, the calibration gain factor can be used to calibrate the output of the converter, so that a sensing signal inputted into the pressure sensing device can be correctly converted to a relevant pressure value.

Abstract: In an inertial sensor that includes an angular rate detection circuit having a structure synchronized with a resonant frequency of an angular rate detection element, an object thereof is to realize an angle output having high accuracy with less integration error in an integration circuit for detecting an angle. The inertial sensor includes an angular rate detection element chip C1 that has a mechanical structure for angular rate detection; and a signal processing LSI chip C2 that is angular rate detection circuit for detecting an angular rate from the angular rate detection element chip C1. The signal processing LSI chip C2 calculates an angle by sampling a signal obtained from the angular rate detection element chip C1 at a discrete time synchronized with a drive frequency of the angular rate detection element chip C1.

Abstract: A method includes determining that a portion of a force applied to a sensor system was applied to a non-inclusive region of the sensor system. An activation area of the non-inclusive region may be determined. A force distribution of the non-inclusive region may be determined. A corresponding force measurement of the non-inclusive region based on the activation area and the force distribution may be calculated.

Abstract: A method for displaying pieces of visual information as a function of a spatial orientation of a portable device equipped with a first sensor for detecting orientation information and with an acceleration sensor, includes: estimating the spatial orientation based on the orientation information; ascertaining, based on sensor measurement data of the acceleration sensor, whether the device is in an idle phase or a movement phase; ascertaining an error of the estimation based on the orientation estimation ascertained in the idle phase and on the sensor measurement data of the acceleration sensor detected in the idle phase; using the orientation estimation unchanged in the idle phase for the display; successively correcting the error for the orientation estimation in a subsequent movement phase; and using the corrected estimation for the display in the movement phase.

Abstract: Electrochemical Impedance Spectroscopy (EIS) is used in conjunction with continuous glucose monitors and continuous glucose monitoring (CGM) to enable in-vivo sensor calibration, gross (sensor) failure analysis, and intelligent sensor diagnostics and fault detection. An equivalent circuit model is defined, and circuit elements are used to characterize sensor behavior.

Abstract: A sensor calibration apparatus for calibrating a sensor mounted to a vehicle is provided. The sensor calibration apparatus includes a projection instruction unit that causes a projection device, which is mounted to the vehicle and projects light, to project an optical image representing a calibration marker onto a detection range of the sensor, an optical image information acquisition unit that acquires optical image information detected by the sensor, and a calculation unit that calculates a calibration value of the sensor based on the optical image information.

Abstract: A method for processing a signal supplied by a sensor comprises receiving the sensed signal, and compensating the sensed signal for a contribution caused by one or more components thermally coupled to the sensor. The compensated signal in its dynamics, and the dynamics adjusted compensated sensor signal is provided.

Abstract: A calibration device for a machine tool is described that includes a base attachable to a machine tool and a calibration artefact, such as a sphere of known radius. A deflection mechanism attaches the calibration artefact to the base and allows movement of the calibration artefact relative to the base when an external force is applied to the calibration artefact. The deflection mechanism also maintains the calibration artefact in a defined rest position relative to the base in the absence of an applied external force. A sensor is provided for sensing the extent of movement of the calibration artefact relative to the base. A method of using the device with a reference tool to accurately determine a position of a calibration artefact is also described.

Abstract: In one aspect, the present disclosure may provide devices or systems configured to receive indications of geographic areas, each corresponding to distribution networks, and determine whether the distribution networks overlap. The processor(s) may also be configured to receive parameter value(s) obtained by a device within one distribution network at a location within an overlapping area, and cause device(s) within another distribution network to modify operation based on the parameter value(s). In another aspect, the present disclosure may provide devices that include a voltage sensor to measure a voltage of a power distribution network at a power consumption location that corresponds to the device. The device may be configured to provide at least one cable service to the power consumption location via a cable television (CATV) distribution network and output an indication the measured voltage value.

Abstract: A test system and method for testing a coupled hybrid dynamic system in simulated motion along a path includes a physical test rig configured to test a physical component. A processor is configured with modeled test data, a first virtual model portion and a second virtual model portion of the coupled hybrid dynamic system, the first virtual model portion, the second virtual model portion and the physical component comprising the coupled hybrid dynamic system. The processor is configured to control the test rig such that the component under test responds to the second virtual model portion, that in turn receives a first input comprising the modeled test data, a second input being motion of the first virtual model portion of the coupled hybrid dynamic system, a third input being a control mode response from the test rig having the physical component under test and a fourth input comprising guidance controls for the coupled hybrid dynamic system.

Abstract: A force sensing system for determining if a user input has occurred, the system comprising: an input channel, to receive an input from at least one force sensor; an activity detection stage, to monitor an activity level of the input from the at least one force sensor and, responsive to an activity level which may be indicative of a user input being reached, to generate an indication that an activity has occurred at the force sensor; and an event detection stage to receive said indication, and to determine if a user input has occurred based on the received input from the at least one force sensor.

Abstract: A method, system, and apparatus for programming a sensor at a customer location is disclosed. A defective sensor at a customer location is replaced by a new sensor that is programmed at the customer location using a programming device or a transducer coupled to a computing device. The new sensor is programming using the sensor's detector normally used to sense a change in a magnetic field, an RF signal, infra-red light, or some other emission or property.

Abstract: A calibration device that utilises sensor data from an optical sensor to develop one or more calibration parameters for controlling operation of a sprayer utilising itself optical sensors and transmitting the calibration parameters to said sprayer. A method of calibrating a sprayer utilising the calibration information is also disclosed. A method of pasture or crop management for a region of interest in which a composite representation of cumulative substance applications is used to developing a representation in which sub regions of the region of interest having prescribed characteristics are visually differentiated from other regions. The spatial distribution of calibration values may also be recorded and used to analyse substance application against calibration values to develop a report of apparently anomalous calibration values.

Abstract: A self-learning grain sensing system for an agricultural harvester includes a first grain sensor having a first sensing surface responsive to first impacts of grain upon the first sensing surface, wherein the first grain sensor generates first electrical pulses in response to the first impacts; a second grain sensor having a second sensing surface responsive to second impacts of grain upon the second sensing surface, and wherein the second grain sensor generates second electrical pulses in response to the second impacts; and a control system configured to receive the first electrical pulses from the first grain sensor, derive control parameters from the first electrical pulses, and apply those control parameters to the second electrical pulses.

Abstract: Provided are a real-time acceleration sensor calibration apparatus for measuring a movement of a vehicle and an acceleration sensor calibration method, the acceleration sensor calibration apparatus including an acceleration sensor configured to measure a triaxial acceleration value, a gyroscope configured to measure a triaxial angular velocity value, an acceleration data calibrator configured to primarily transform a vector of the measured acceleration value using a gravity vector calculated based on the triaxial acceleration value and the triaxial angular velocity value measured by the acceleration sensor and the gyroscope, and a communicator configured to transmit information related to the movement of the vehicle to a server based on calibrated acceleration data.

Abstract: A method for adjusting a warning sensitivity of a movable device having a movement includes the following steps: The movement of the movable device is sensed to generate a plurality of acceleration data associated with a motion identification of the movement. The plurality of acceleration data is sampled to obtain a plurality of parameters within a specific sampling interval. Each of the plurality of parameters is compared with a first pre-determined threshold value to generate a first result; and adjusting a second pre-determined threshold value reflecting the warning sensitivity based on the first result.

Abstract: A method for straightening a distortion of a component by way of a straightening device is provided. The straightening device includes a clamping element for clamping in the component, a straightening element for introducing a straightening force into the component, and an anvil element for supporting the component during the introduction of the straightening force. Furthermore, a straightening device for straightening a distortion of a component is provided. The straightening device includes a clamping element for clamping in the component, a straightening element for introducing a straightening force into the component, an anvil element for supporting the component during the introduction of the straightening force, and a control element for operating the straightening device.

Abstract: Methods and systems for predicting properties of well bore treatment fluids are disclosed. An embodiment includes a method of predicting fluid properties comprising: determining an operational window for a well bore fluid system; collecting data at vertices of the operational window; and developing a model comprising predicted properties for a plurality of data points within the operational window, wherein developing the model uses Barycentric interpolation.

Abstract: A method of prompting a failure or error, applicable to a terminal apparatus including a fingerprint recognizer having a sensor array, includes: obtaining electrical signals containing fingerprint information through the sensor array upon a fingerprint recognition being triggered; determining a number of sensors with abnormally-changing electrical signals in the sensor array; and outputting prompt information upon the determined number of sensors exceeds a number threshold.

Abstract: An object tracking system includes a sensor and a tracking system. The sensor is configured to capture a first frame of a global plane for at least a portion of a marker grid in a space. The tracking system is configured to receive a first coordinate in the global plane for a first corner of a marker grid, to determine a second coordinate in the global plane for the first marker on the marker grid, and to determine a third coordinate in the global plane where the second marker on the marker grid. The tracking system is further configured to determine a first pixel location for the first marker, to determine a second pixel location for the second marker, and to generate a homography based on the second coordinate for the first marker, the third coordinate for the second marker, the first pixel location, and the second pixel location.

Abstract: The disclosed systems and methods include a contextual recommendation engine comprising at least one processor; and at least one non-transitory memory containing instructions. When executed by the at least one processor the instructions cause the contextual recommendation engine to perform operations. The operations include receiving a description of a first service from a service provider. The operations also include receiving content selection rules that map user contexts to services. The operations also include receiving a first script including instructions for providing services. The operations also include associating the first service with the first script. The operations also include receiving, from a first touchpoint, touchpoint data concerning a first user. The operations also include updating a stored context of the first user based on the touchpoint data. The operations also include selecting the first service based on the updated context and the content selection rules.

Abstract: An active sensor calibration system includes a plurality of sensors configured to measure at least one physical quantity. Each sensor is configured to output a signal indicating at least one measured physical quantity. An electronic scenario library module is configured to store a plurality of scenarios. Each scenario is configured to excite two or more selected sensors among the plurality of sensors to generate redundancy among the selected sensors based on physical quantity models. An electronic calibration module is in signal communication with the plurality of sensors and the scenario library. The calibration module is configured to select at least one scenario from the scenario library module, determine at least one possible un-calibrated sensor among the plurality of sensors, and to identify a positive un-calibrated sensor in response to executing the at least one selected scenario.

Abstract: A compound sensor system includes a first sensor, a second sensor, a memory that stores a module, and a processor coupled to the first sensor, the second sensor, and the memory. The first sensor is configured to detect a parameter that indicates a likelihood of having a user enter or leave a target area, and, in response, send a first command signal to the processor. The processor is configured to receive the first command signal from the first sensor and send a second command signal to the second sensor based on receiving the first command signal. The second sensor is configured to operate at a sleep mode and switch to an active mode upon receiving the second command signal, and during the active mode the second sensor is configured to determine if the user enters or leaves the target area.

Abstract: Embodiments of the disclosure include a salt analyzer for crude oil. The crude oil salt analyzer includes a salt concentration model that determines a salt concentration from desalting process parameters that may include a demulsifier flowrate, a crude oil temperature, a crude oil flowrate, a desalting electrostatic grids voltage, a wash water flowrate, and a disposal water flow rate. The crude oil salt analyzer may compare the salt concentration to a threshold concentration to determine if the salt concentration exceeds the threshold concentration and may perform or initiate actions based on the comparison. Methods, computer-readable media, and plant information systems using the crude oil salt analyzer are also provided.

Abstract: The present disclosure relates to an electronic device and a method capable of allowing a pressure sensor to accurately sense a pressure value regardless of environmental factors, a change in elasticity of an elastic layer, and a change in an inter-electrode layer gap, wherein the method may include determining, using the pressure sensor, a pressure level while there is no external pressure against the front plate and adjusting at least one threshold level for the electronic device to use when there is an external pressure against the front plate, based at least in part on the determined pressure level.

Abstract: Systems, methods, and other embodiments described herein relate to a manner of extending the use of originally-equipped automotive vehicle sensors to environmental mapping. In one embodiment, a method includes acquiring sensor data from a vehicle-equipped detachable sensor of an environment around a non-automotive entity when the vehicle-equipped detachable sensor is mounted to the non-automotive entity. The vehicle-equipped detachable sensor is capable of sensing a portion of an environment around an automotive vehicle and configured to communicate with a computing device. The vehicle-equipped detachable sensor is also structured to be detached from the automotive vehicle and mounted to the non-automotive entity. Further, the method includes receiving a mapping request from the computing device. The method also includes, in response to the mapping request, building a map, from the acquired sensor data, of an area traveled by the non-automotive entity.