Patent classifications
G01K7/425
METHOD FOR REAL-TIME ESTIMATION OF TEMPERATURES OF ELECTRIC COMPONENTS IN A POWER ELECTRONICS SYSTEM
A method for real-time estimation of temperatures of electric components in a power electronics system, the method including the steps of: obtaining a current reference temperature; obtaining current power loss values of the electric components; determining self-heating coefficients of the electric components for the obtained current power loss values; determining external heating coefficients of the electric components; and estimating the temperatures of the electric components in real-time based on the obtained current reference temperature, the determined self-heating coefficients and the determined external heating coefficients.
Adaptive throttling
An apparatus can include a first adaptive filter, a second adaptive filter, a filter, and a third adaptive filter. The first adaptive filter can be configured to determine an estimated magnitude of a control signal associated with a control measure based on a magnitude of a signal from a sensor, wherein the signal is indicative of operating temperature of a memory system. The second adaptive filter can be configured to determine an estimated operating temperature based on a magnitude of the control signal. The filter can be configured to determine a change magnitude of the control signal based on a difference between the magnitude of the signal from the sensor and a threshold operating temperature. The third adaptive filter can be configured to determine a throttle rate at which to apply the control signal based on a change magnitude of the control signal.
Predictive thermal control management using temperature and power sensors
Embodiments of the present disclosure include a microcontroller configured to cool an electronic device. The microcontroller is configured to receive a power consumption value of the electronic device, determine, based on the power consumption value and a stored previous power consumption value, a change value representing an amount that power consumption of the electronic device changed from a previous power consumption of the electronic device, determine an output cooling control value based at least in part on the change value, and control an output for cooling the electronic device using the output cooling control value.
Process-insensitive sensor circuit
A sensor system included in an integrated circuit includes multiple sensor circuits and a control circuit. Using characterization data, a model may be generated that defines a relationship between measurable parameters of the integrated circuit and an operating characteristic of the integrated circuit. The control circuit can combine, using a function included in the model, data from the multiple sensor circuits to determine a value of the operating characteristic that is more accurate than a sensor circuit configured to measure a single parameter of the integrated circuit that varies with the operating characteristic.
Method, Device and Computer Program for Obtaining a Measure of the Temperature of a Wireless Adapter
A wireless adapter (10) is removably connected to an electronic device (30) to provide wireless connectivity for the electronic device (30). One or more operating parameters of the wireless adapter (10) are measured whilst the wireless adapter (10) is in use. A measure of the temperature of the wireless adapter (10) is obtained based on the measured one or more operating parameters.
MOTOR TEMPERATURE ESTIMATION APPARATUS AND METHOD BY THE SAME
While a stepping motor for conveying a paper is being driven, a first clocking section enables a counting control section to add a first predetermined value to a count value each time a first predetermined period of time elapses. When the count value reaches a first threshold value, a motor stop determination section stops the motor. A second clocking section enables the counting control section to subtract a second predetermined value from the count value each time a second predetermined period of time elapses when the motor is stopped. When the count value falls below a second threshold value smaller than the first threshold value, a motor drive resuming section resumes the operation of the motor. A third clocking section enables the counting control section to subtract a third predetermined value from the count value each time a third predetermined period of time elapses when the stepping motor is stopped in a state in which the count value is smaller than the first threshold value.
INTEGRATED CIRCUIT COMPRISING A TEMPERATURE SENSOR
An integrated circuit temperature sensor includes two diode-connected bipolar transistors having different sizes. A switching circuit selectively applies the base-emitter voltages generated across the two diode-connected bipolar transistors to the input of a buffer circuit. A control unit controls alternate switching by the switching circuit. An analog-to-digital converter has an input connected to an output of the buffer circuit. The analog-to-digital converter calculates a numeric value corresponding to a difference between the voltages generated across the two diode-connected bipolar transistors, this difference in voltages being proportional to absolute temperature.
Transistor short circuit protection
A short circuit detection circuit includes a current terminal, a sense resistor, an amplifier, and a resistor-capacitor ladder. The sense resistor is coupled to the current terminal, and is configured to develop a sense voltage proportional to a current through the current terminal. The amplifier is coupled to the sense resistor, and is configured to generate a scaled current proportional to the sense voltage. The resistor-capacitor ladder is coupled to the amplifier, and is configured to generate a measurement voltage that represents a surface temperature rise due to the current through the current terminal.
Determining rate of change in temperature measurements
A temperature sensor device has a digital interface with a first memory storing a current temperature value which can be read through the digital interface and a second memory storing a rate of temperature change value which can be read through the digital interface. Such a temperature sensor can be preferably used in a system with a cooling fan and a processor coupled with the digital interface of the temperature sensor. The processor is operable to control the cooling fan based on temperature measurement values and the rate of change in temperature retrieved from the temperature sensor through the digital interface.
Single Simulation-Based Structure Function Mapping
A thermal transient response simulation is performed for a structure having a plurality of thermal model elements. The thermal transient response simulation determines a relation between transient thermal impedance of the structure and time and a relation between maximum temperature change of each of the thermal model elements and time. An onset time at which energy reaches each of the thermal model elements is determined based on the relation between maximum temperature change of each of the thermal model elements and time and a predetermined maximum temperature change threshold. An influence onset resistance value for each of the thermal model elements is determined by looking up a thermal resistance value corresponding to the onset time based on the relation between transient thermal impedance of the structure and time. A structural function is mapped based on the influence onset resistance value for each of the thermal model elements.