Abstract: A system and method for calibrating an integrated circuit. The method includes configuring a first impedance for a first output of the integrated circuit according to a first configuration code and measuring a first voltage at the first output which corresponds to the first configuration code. The method further includes configuring a second impedance for a second output of the integrated circuit according to a second configuration code and measuring a second voltage at the second output which corresponds to the second configuration code. A determination of which of the first voltage and the second voltage is nearest to a predetermined voltage value. Based on the voltage determination, the integrated circuit is configured according a code of said first and second codes that corresponds to the voltage nearest to the predetermined voltage.

Abstract: A system and method are provided for using a thermal management core to control temperature on a system-on-chip (SoC). The method provides an SoC with an internal thermal management core and an internal temperature sensor. For example, the sensor may be located on or near a processor core die. The thermal management core monitors temperatures recorded by the SoC temperature sensor, and sends commands for controlling SoC device functions. In response to these commands, the thermal management core monitors a change in the temperature at SoC temperature sensor. The temperature sensor may be monitored via a dedicated SoC internal interface connecting the processor and the thermal management core. Alternately, the thermal management core may poll for temperatures via a system management bus (SMBUS) SoC external interface connecting the processor and thermal management core. Further, a dedicated SoC external alert interface connecting the processor and thermal management core may be monitored.

Abstract: A self-calibrating, wide-range temperature sensor includes a current reference, impervious to process and voltage, with the current reference mirrored into two oppositely-sized bipolar transistors or diodes. Duplicate current sources are used with a ratio of geometries between them, such that the larger current biases the smaller bipolar transistor (less cross-sectional area) and the smaller current source biases the larger bipolar transistor (higher cross-sectional area). The current source in conjunction with the differential temperature sensing provides inherent calibration without drift while the differential sensing, from the ratio of geometries in the current paths also increases sensitivity.

Abstract: A diagnostic system and a diagnostic method for a thermistor amplifier circuit are provided. The system includes a transistor electrically coupled to a controllable variable resistor having a predetermined resistance. The transistor applies a test voltage signal to the circuit indicative of a first temperature value. An amplitude of the test voltage value is indicative of a simulated thermistor temperature value. The microprocessor determines a test temperature value based on the amplitude of an output voltage of the circuit. The microprocessor also determines an inaccuracy value based on the test temperature value and the simulated thermistor temperature value.

Abstract: Methods and systems for compensating for temperature variation in the performance of electronic circuits and systems are disclosed. In some embodiments, the systems are configured to store compensation parameters determined in calibration, where the compensation parameters are used by the systems to modify performance. In some embodiments, the systems are part of an automatic test equipment (ATE) system.

Abstract: A system for simultaneously determining strain and temperature characteristics of an object comprising: (i) at least one optical fiber having at least two Brillouin peaks; (ii) at least one connector securing the optical fiber to the object to be monitored; (iii) a laser positioned to provide laser light to said at least one optical fiber; (iv) a device measuring frequencies of said at least two Brillouin peaks, and determining frequency shifts of said at least two Brillouin peaks for said at least one optical fiber along the length of fiber; and (v) a system calculating strain and temperature characteristics along said fiber, based on the coefficients of strain and temperature as well as the measured Brillouin frequency shifts for said optical fiber along the length of said optical fiber.

Abstract: A hydrostatic pressure testing system for hydrostatic pressure testing of pipe or other vessels. A control center may include a computer program that monitors, records, and controls the system during testing. A test fluid assembly may include a fill conduit capable of providing a test fluid to an inlet section of a vessel to be tested in response to a command from the computer program. A pressure-release safety assembly may have a vent conduit in fluid communication between an outlet section of the vessel and a safety valve. The safety valve may be in fluid communication with a bleed tank for storing an outlet flow of test fluid from the vessel. The safety valve is actuated to relieve fluid pressure in the vessel in response to a selective condition. A method of using the system to conduct hydrostatic pressure testing is also described.

Abstract: Systems and methods for calibrating multiple electronic devices are described herein. Such methods may include obtaining, by a processor, data from a plurality of reference electronic devices, analyzing, by a processor, the data and calibrating, by the processor, the electronic device based on the analyzed data obtained from the plurality of reference electronic devices.

Abstract: A thermometer includes a first surface temperature measurement unit; a first reference temperature measurement unit; a second surface temperature measurement unit; a second reference temperature measurement unit; a temperature correction unit that calculates a mounting positional difference between the first and second surface temperature measurement units from a measurement subject and a mounting positional difference between the first and second reference temperature measurement units from the measurement subject in terms of temperature differences that compensate for temperature dependence, thus correcting the first surface temperature and first reference temperature, or the second surface temperature and second reference temperature; and a core temperature calculation unit that calculates a core temperature of the measurement subject using the first surface temperature and first reference temperature or the second surface temperature and second reference temperature corrected by the temperature correction

Abstract: A correlation is preliminarily obtained between a depth of damage and a ratio between a temperature gradient in temperature distribution on a surface of an area containing the damage and a temperature difference between a maximum temperature and a minimum temperature in the temperature distribution. The temperature distribution on the surface of the area containing the damage in the structure is then measured. Once the temperature distribution on the structure surface is obtained, attention is focused on temperature distribution between two points including the damaged area, so that a temperature difference between a maximum temperature and a minimum temperature in the distribution is obtained, and further a temperature gradient of an interval exhibiting temperature variation equal to or higher than a predetermined level is obtained.

Abstract: Described is an apparatus for measuring mass change under high pressure, comprising: a high pressure cell comprising a reference quartz crystal microbalance sensor and a sample quartz crystal microbalance sensor, wherein the sample quartz crystal microbalance sensor is coated with a test sample selected from the group consisting of nanoporous materials and metal-organic frameworks; a pressure sensor operatively connected to the high pressure cell; a thermocouple operatively connected to the high pressure cell, wherein the high pressure cell is maintained at a pre-selected temperature; a gas inlet fluidly connected to the high pressure cell; and a gas outlet fluidly connected to the high pressure cell. Also described are methods of making and using the apparatus.

Abstract: The present application is directed to a system for verifying calibration of a temperature sensor comprising an above-ambient temperature verifier and a below-ambient temperature verifier. The above-ambient temperature verifier includes a first housing containing an ohmic material. At least one pair of electrodes is provided to direct an applied current through the ohmic material to heat the material. A well is provided within the ohmic material for accepting a temperature sensor. A compression assembly cooperates with the ohmic material to create intimate contact with the temperature sensor. An above-ambient reference temperature monitor maintains a calibrated temperature within the ohmic material. The below-ambient temperature verifier includes a second housing and a below-ambient reference temperature monitor to maintain a calibrated temperature of a below-ambient temperature medium.

Abstract: Systems, methods and apparatus are provided through which in some implementations a non-contact thermometer is diagnosed and calibrated under instruction of a mobile phone.

Abstract: Certain exemplary embodiments can provide a system, which can comprise a thermocouple input module. The thermocouple input module can be adapted to determine one or more calibration factors. The thermocouple input module can be adapted to store the calibration factors. The thermocouple input module can be adapted to apply the calibration factors to an incoming thermocouple voltage value to obtain an adjusted thermocouple voltage value.

Abstract: A method for determining interface temperatures for a dry dual clutch mechanism includes determining that a slipping event is occurring at a friction interface of a clutch in the dry dual clutch mechanism, and determining a heat flux generated by the slipping event. The method includes determining a flux bulk temperature from the determined heat flux and determining a flux interface temperature from the determined heat flux. The flux interface temperature is the temperature at the friction interface during the slipping event. The method calculates a delta interface temperature by subtracting the flux interface temperature from the flux bulk temperature. The method executes a control action with the calculated delta interface temperature.

Abstract: The present invention relates to an analyzing apparatus (1) for analyzing a sample using a container (2) accommodating reagents sealed therein, while raising the temperature of the reagents up to a predetermined temperature. The analyzing apparatus (1) comprises a first temperature measuring means (31) for measuring temperature of the container (2), a second temperature measuring means (32) for measuring temperature around the container (2), a heater (4) for supplying heat energy to the container (2), and a controller for controlling the heater (4) based on a measurement result at the first and second measuring means (31, 32).

Abstract: Systems and methods of estimating a fluid injector tip temperature. A controller having a processor and a memory supplies a current to a coil of a fluid injector, a resistance of the coil is measured when the current is supplied to the coil, a coil temperature is determined based on the measured resistance, and a tip temperature of a fluid injector tip is estimated based on the determined coil temperature.

Abstract: A preexisting voltage across a sensor is latched to a storage capacitor prior to any excitation current being applied to the sensor. Once the excitation current is applied, the voltage on the storage capacitor is directly subtracted from a differential voltage across the sensor. The subtraction is done before a measurement is converted to a digital value and passed to a transmitter. The subtraction is performed in hardware, and a time required to sample and hold the preexisting voltage across the storage capacitor is within a settling time used for collecting any sensor measurements.

Abstract: A setting value controlling device comprises: a setting value information collecting and storing portion for collecting and storing temperature setting values from an air-conditioner controlling device; a setting value reset evaluating portion for resetting the temperature setting value to a reference setting value if the temperature setting value is not a more energy-conserving setting than the reference setting value when a specific reset time has been reached; and a reference setting value updating portion for updating the reference setting value to the updated temperature setting value if, when the temperature setting value has been updated by a user, the updated temperature setting value is a more energy-conserving setting than the reference setting value and a specific time interval has elapsed since updating of the temperature setting value.

Abstract: A device and a method for aiding inflation for a vehicle involves obtaining access to vehicle tire pressure and temperature data, and utilizing an under-inflation detection module and an inflation condition testing module, thus making it possible to carry out a test for detecting a possible optimal inflation condition if the following criteria are met:—there is a non-critical under-inflation state for at least one of the vehicle tires;—the tires are not in an overheated state;—and the tire state is unchanged by sunlight. When the test module determines the optimal inflation condition, a signal is outputted. Such a method causes tire inflation to be carried out under favorable conditions actually corresponding to the reference value provided by the manufacturers.

Abstract: In some embodiments, a method of using feedforward to control a system component may include determining if a feedforward term exists in a feedforward table for a received operating set point. If a feedforward term does not exist, the system component may be incremented until the system is within a first acceptable tolerance of the desired set point. In some embodiments, a measure of steady state error may be determined and compared to a second acceptable tolerance. If within the acceptable tolerance, the corresponding feedforward term may be recorded in the feedforward table. In some embodiments, if the feedforward term exists for the operating set point, the system component may be controlled using controller output that corresponds to the feedforward term. When a change to the system is detected that is associated with possible changes to the feedforward values, new feedforward values may be generated for the feedforward table.

Abstract: A method for on-orbit calibration of the temperature sensors of a simulated blackbody is disclosed. The method may include selecting a simulated blackbody traveling in a micro-gravity environment and comprising a sensor, a container positioned proximate the senor and containing a material, and a heat transfer device positioned proximate the at least one container. The heat transfer device may transition the material through a phase change. The temperature sensor may monitor the temperature of the material during the phase change. A correction may be calculated to correct any disparity between the temperature reported by the temperature sensor during the phase change and the known plateau temperature corresponding to that phase change. The correction may be applied to subsequent temperature readings obtained using the temperature sensor.

Abstract: A road data apparatus is disclosed that predicts road conditions comprising a land surface data generator which derives a land surface data output from a plurality of current and forecast weather and location data, said current and forecast weather and location data comprising surface temperature, subsurface temperature, and precipitation depth, a pavement data generator which derives a road temperature and a road condition from said land surface data output and a plurality of pavement generator input data, said plurality of pavement generator input data comprising road layer data; and a roadway status indicator generator which derives a roadway status indicator from said road temperature, road condition and precipitation data. In one embodiment, the roadway status indicator is communicated to an end user through a distribution network.

Abstract: A method of producing a temperature model of a surface of an object using ultrasonic transducers comprises the steps of iteratively adjusting a temperature model by using measured travel times of ultrasonic waves and their predictions model-based. The ultrasonic waves used for producing the temperature model are preferably substantially non-dispersive ultrasonic waves. The method may further involve a height model of the surface, which height model is produced using substantially dispersive ultrasonic waves and is corrected by using the temperature model.

Abstract: A hand-held processor system for processing data from an integrated MEMS (Micro-Electro-Mechanical-Systems) device disposed within a hand-held computer system and methods therefor. The Dynamic Temperature Correction (DTC) process computes offset values to calibrate MEMS sensors using a single set of data measurements at an orientation without dynamic perturbation and one or more temperature data measurements, and without requiring advance knowledge of orientation of the device. Arbitrary output biases, which are known to be dominant on a single axis, can be corrected to ensure consistent performance. The DTC process provides a simple method to effectively calibrate a MEMS sensor without requiring extensive system resources. This process can be enhanced by additional estimations of sensor offsets using the set of data measurements or by use of rule-based empirical gain factors.

Abstract: A fan control method performed by a computer having a processor and a fan includes predicting a load of the processor for a job to be executed by referring to a memory that stores information on the load of the processor according to a job type, determining fan rotation control according to a temperature of the processor under the load, and controlling the fan according to the determined fan rotation control.

Abstract: Sensor measurements are used to detect when a device incorporating the sensor is stationary. While the device is stationary, sensor measurements at a current device temperature are used to estimate model parameters. The model parameters can be used in a state estimator to provide an estimated attitude that can be provided to other applications. In some implementations, the estimated attitude can be used to mitigate interference in other sensor measurements.

Abstract: Inexpensive position sensing devices that allow widespread use and availability of position information are disclosed. One embodiment of the position-sensing device acquires, down converts and extracts raw position data from position signals. Then, the position-sensing device wirelessly transmits the raw position data to a position-computing device, which converts the raw position data into the position of the device. The position-computing device can also receive auxiliary information from auxiliary sensors, and perform analyzes based on the position and the auxiliary information. The position-computing device can re-transmit the position and auxiliary information to a remote site for further analysis and/or central storage. The remote site can also download information to the position-computing device. The position-computing device can also control an actuator to perform an operation.

Abstract: A method for modeling the performance of a laterally diffused metal oxide semiconductor (LDMOS) device across a wide temperature range is disclosed. The method comprises the steps of positioning the device in an environment chamber operable to create a plurality of environment temperatures; connecting the pins of the device to a measurement system operable to measure at least one device characteristic; operating the environment chamber to set a series of four environment temperatures, acquiring a value of the device characteristic from the measurement system at each temperature, and extracting a temperature parameter set based on the value of the device characteristic at each temperature, then generating a temperature-scaling model for the device.

Abstract: An electronic device and a method for controlling fan speed of the electronic device include setting a speed range corresponding to a variety of pulse-width modulation (PWM) duty cycles of the fan, and setting a speed variation value of the fan. The method further includes reading the PWM duty cycle and detecting an actual speed of the fan, and adjusting the PWM duty cycle in the PWM duty cycle instruction according to the speed variation value.

Abstract: A temperature detection system includes a power semiconductor device, a chip temperature detection device for detecting a temperature of the power semiconductor device, loss-related characteristic value acquiring means for acquiring a loss-related characteristic value that is a characteristic to decide a loss of the power semiconductor device, difference value calculating means for calculating, from the loss-related characteristic value, a difference value between the temperature of the power semiconductor device and a temperature detected by the chip temperature detection device, a corrected temperature signal generating part for generating a corrected temperature signal by adding the temperature detected by the chip temperature detection device and the difference value, and an output part for outputting the corrected temperature signal to the outside.

Abstract: A monitoring, tracking, and calibration system tracks temperature data and the validity of temperature measuring devices. If an item is temperature sensitive, the system permits temperature readings to be taken by a remote transmitter or other temperature measuring device and stored by a computer. A calibration device is built into the remote transmitter or attached in line to a temperature sensor and include at least one fixed value. The remote transmitter samples that fixed value periodically or in response to an instruction from the computer. The computer, in turn, compares the fixed value to a respective expected value. If the comparison indicates that the fixed value compares favorably to the at least one respective expected value, the remote transmitter is considered calibrated and functioning correctly. Otherwise, the remote transmitter is considered faulty and an error is reported so that corrective action may be taken.

Abstract: An apparatus evaluates a substrate mounting device adapted to hold a target substrate placed on a mounting surface and to control a temperature of the target substrate. The apparatus includes an evacuatable airtightly sealed chamber accommodating therein the substrate mounting device, a heat source, arranged in a facing relationship with the mounting surface, for irradiating infrared light. The apparatus further includes an evaluation-purpose substrate adapted to be mounted on the mounting surface in place of the target substrate, the evaluation-purpose substrate being made of an infrared light absorbing material, and having a unit for measuring temperatures at plural sites on a surface and/or inside of the substrate.

Abstract: A personal mobile device housing contains a display screen, a wireless telephony communications transceiver, and a battery charger interface. A temperature sensor and a gyro sensor whose zero turn rate output contains an offset are also included. A lookup table has gyro zero turn rate offset correction values associated with different temperature values. A programmed processor accesses the lookup table to correct the output of the gyro sensor for zero turn rate offset. It is automatically determined, during in-the-field use, when the device is in a motionless state, and the output of the temperature and gyro sensors are read. The read gyro output is written to the lookup table as part of a pair of associated temperature and zero turn rate offset correction values. Other embodiments are also described and claimed.

Abstract: A measuring apparatus for an ear thermometer includes a battery, a mode switching circuit and a microcontroller, and the microcontroller, during a run mode or a normal operating state, does not pass battery current to the mode switching circuit in order that the insertion of the mode switching circuit causes no substantial change in power consumption so as to suppress a power consumption of the apparatus and extend the power of the battery.

Abstract: A thermally controlled gas bearing supported inertial measurement unit (IMU) system is provided. The system comprises a sensor assembly enclosing one or more sensors and a plurality of heating elements, wherein each of the plurality of heating elements is proximal to the sensor assembly. The system also comprises a plurality of temperature sensors configured to determine a temperature of a region of the sensor assembly and a control unit configured to adjust a temperature of at least one of the plurality of heating elements based on feedback from the at least one temperature sensor.

Abstract: In an electronic device and a method of correcting time-domain reflectometers, two channels of a time-domain reflectometer are connected to a corrector using cables, and the two channels are enabled to transmit pulses. Parameters Step Deskew and Channel Deskew of the two channels are zeroed. Resistance values of the two channels are measured simultaneously, and the value of the parameter Step Deskew of one of the two channels is adjusted according to the Resistance values of the two channels. Times of achieving the same resistance value of the two channels are measured after the cables and the connector have been disconnected, and the value of the parameter Channel Deskew of one of the two channels is adjusted according to the times of achieving the same resistance value. The adjusted values of the parameters Step Deskew and Channel Deskew are displayed through a display unit.

Abstract: There is provided a temperature measuring device capable of achieving cost reduction even in the case where the same is a multichannel temperature measuring device. The temperature-measuring device comprises a thermocouple having two dissimilar metal wires, ends thereof, on one-side, being joined with each other, and the other ends thereof, being connected to one pair of contact terminals, respectively, a unit of a temperature-measurement set made up by joining together a plurality of the thermocouples, and a reference junction compensation circuit provided for every unit of the temperature-measurement set, wherein at least one of the reference junction compensation circuits of the temperature-measuring device is left out while the other reference junction compensation circuits of the temperature-measuring device are removed upon a plurality of the units of the temperature-measurement sets being disposed in series.

Abstract: An temperature sensor circuit is disclosed. In one embodiment, the temperature sensor comprises an input circuit with a current mirror for forcing a current down a reference stage and an output stage. The reference stage and the output stage include P-N junctions (e.g., using bipolar transistors) with differing junction potentials. By tailoring the resistances in the reference and output stages, the input circuit produces two output voltages, one of which varies predictably with temperature, and one which is stable with temperature. The input circuit is preferably used in conjunction with an amplifier stage which preferably receives both the temperature-sensitive and non-temperature-sensitive outputs. Through various resistor configurations in the amplifier stage, the output of the temperature sensor can be made to vary at a higher sensitivity than produced by the temperature-sensitive output of the input circuit.

Abstract: A temperature sensing circuit is described providing a low power temperature sensing system. The temperature sensing circuit provides a digital method for determining the temperature by analyzing the change in electrical response characteristics of a circuit device.

Abstract: Tools and methods for creating isolated or localized temperature changes on components in an electric circuit. By isolating temperature changes to individual components or small sets of components, the tools and methods allow greater control over the analysis of interactions within a board. This may allow clearer understanding of the effects of temperature on circuit component behavior. The tools and analysis advances analysis such as failure analysis and design testing.

Abstract: Systems and methods of determining parameter values in a downhole environment are described. An example method of determining a parameter value using calibration information is described. The calibration information corresponding to different parameter ranges in a downhole environment. The method includes determining a parameter range in the downhole environment using a controller and obtaining first calibration information or second calibration information based on the parameter range. The first calibration information associated with a first parameter range and the second calibration information associated with a second parameter range. The method also includes receiving an output signal from a sensor associated with the parameter and using the obtained calibration information to determine the parameter value based on the output signal received.

Abstract: An estimation apparatus has a controller which estimates an internal reaction of a secondary battery. The controller calculates a voltage drop amount due to an internal resistance of the secondary battery by using an expression (I): ? ? ? V = RT ? ? ? ? ? ? F ? arc ? ? sinh ( - R r ? I RT ? ? ? ? ? ? F ) - R d ? I ( I ) where ?V represents the voltage drop amount, R represents a gas constant, T represents a temperature, ? represents an oxidation reduction transfer coefficient (?=0.5) of an electrode, ? represents a correction coefficient (0<?<1), F represents the Faraday constant, I represents a discharge current, Rr represents a component of a reaction resistance included in the internal resistance, and Rd represents a component of a direct-current resistance included in the internal resistance.

Abstract: A sensor device formed on a semiconductor substrate. The device comprises a thermal radiation sensor including a sensing cell and a referencing cell which are co-operable for providing a first output signal indicative of the temperature fluctuation resulting from incident radiation. A gradient sensor including a pair of cells spatially located on the semiconductor substrate is provided which are co-operable to provide a second output signal indicative of the temperature gradient across the semiconductor substrate for facilitating calibrating the first output signal. At least one of the cells of the gradient sensor is not common to the cells of the thermal radiation sensor.

Abstract: A high-resolution, non-contact sensor that measures the temperature of an elongated roll comprises an array of low-mass air temperature elements positioned adjacent the cylindrical surface. As the roll rotates a boundary layer of air is formed along the contour of the roll. Each air temperature element can be housed in a chamber into which a portion of the boundary layer air directed. The temperature of the air temperature element eventually stabilizes and is a function of the roll surface temperature. Associated air compensator elements detect ambient air temperatures and the actual surface temperature profile is extracted from calibration curves based on measurements from both the air temperature and compensator elements.

Abstract: A digital to analog conversion apparatus includes a plurality of gain/phase adjusters configured to receive a digital signal and to output a plurality of adjusted digital input signals, a plurality of digital to analog converters coupled to respective ones of the plurality of gain/phase adjusters and configured to receive the adjusted digital input signals and to generate respective analog signals representative of the adjusted digital input signals, a plurality of phase shift elements coupled to respective ones of the plurality of digital to analog converters and configured to shift the phases of the analog signals generated by the digital to analog converters, and a combiner coupled to the outputs of the plurality of digital to analog converters and configured to combine the respective phase-shifted analog signals to form an analog output signal.

Abstract: A system for reducing the peak power consumption by a refrigeration system is provided. The system comprises a first electromechanical cold control calibrated to a first temperature setpoint, a second electromechanical cold control calibrated to a second temperature setpoint, said first and second cold controls each having a setpoint selector member operatively linked such that adjustment of one results in a corresponding adjustment of the other, a DSM module responsive to demand state signals from an associated utility indicative of at least a peak demand and an off peak demand state, and a DSM switching device responsive to the DSM module and operative to selectively render one or the other of the cold controls effectively operative to control the cooling system depending upon the demand state signal.

Abstract: An apparatus and method for determining the volume of hot water dispensed during a given timeframe from a hydrocarbon fueled water heater based on the volume of fuel consumed by the water heater during the timeframe and the average temperature difference between the inlet water temperature and the outlet water temperature during the timeframe.

Abstract: The invention relates to a method for estimating the temperature of a gas pressure sensor attached to a wall of a turbocharged motor vehicle diesel engine, said sensor being positioned upstream of the turbine of the turbocharger. According to the invention, the temperature of the gas pressure sensor is estimated at least by measuring the temperature of the external air and the temperature of the wall to which the sensor is attached.

Abstract: A method and a system for determining the rotor temperature of an electric motor of a hybrid vehicle. In a method for determining the rotor temperature of an electric motor of a hybrid vehicle in which it is possible to reliably determine the rotor temperature using simple means, the rotor temperature of the electric motor being ascertained by measuring an operating parameter of the electric motor during operation of the hybrid vehicle.