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10results about "Reference comparison" patented technology

Open load diagnosis by an electrical system comprising an electronic control unit connected to a load that includes a capacitor

The invention relates to an electrical system (1) comprising an electronic control unit (2) having at least one switch (5) with an output connected on one side to a load (3) and on the other side to a current source (10), the control unit (2) being configured to activate and deactivate the switch (5) and to establish an open-load diagnosis by measuring the voltage at the output of the switch (5) after the switch (5) has been deactivated. The invention also relates to a motor vehicle comprising such an electrical system (1). For the abstract: Figure 2.
Owner:VITESCO TECHNOLOGIES GMBH

Offset calibration and diagnostics for resistance-based bridge circuits

ActiveEP4488631B1Fluid pressure measurementReference comparison
Methods, apparatuses and systems for providing offset calibration and fault monitoring are disclosed herein. An example controller component may comprise: a resistance-based bridge circuit; a signal conditioning circuit configured to condition an output of the resistance-based bridge circuit; a first diagnostic circuit coupled to the signal conditioning circuit configured to monitor an output of a first branch of the resistance-based bridge circuit; and a second diagnostic circuit coupled to the signal conditioning circuit configured to monitor an output of a second branch of the resistance-based bridge circuit.
Owner:HONEYWELL INTERNATIONAL INC

DETERMINATION OF PEAKS IN INCREMENTAL CAPACITY CURVES OF A LITHIUM-ION CELL, IN PARTICULAR TO DETERMINE A DEGRADATION MODE OF THIS CELL

ActiveFR3162860B1Electrical testingReference comparison
The invention relates to a method (606) for determining peaks of incremental capacity curves of a battery cell, characterized in that it comprises: - an input of a sequence of actions (A1…AN), each characterized by predefined parameter values ​​(p, T, c, d, lc, r1, r2, SoCmin, SoCmax, DoD, N, F), to a learning model (208) previously trained by supervised training to provide, in response, for each action (A1…AN), at least one principal peak (P11, P21…P1N, P2N) of the incremental capacity curve associated with the action considered. Figure for the abstract: Fig. 5
Owner:AMPERE SAS +2

Method for determining the resistance deflection of a Wheatstone bridge in a high-temperature environment and arrangement for detecting pressure with a pressure diaphragm

Method for determining the resistance deflection of a Wheatstone bridge in a high-temperature environment, where The Wheatstone bridge is powered by an ASIC circuit, and the output voltage derived from the Wheatstone bridge is used as an input voltage signal (V). IN ) is passed to an ASIC signal path and in a first step is converted into a current signal, wherein in a second step the current signal is converted into a time signal and the time signal into a pulse width modulated (PWM) signal, wherein the value of a relative resistance deflection (ΔR / R) of the Wheatstone bridge is determined from the time lengths within the phase sequence of the pulse width modulated signal, characterized by the fact that the input voltage (V IN) before being passed to an instrumentation amplifier (INA) to a first switching matrix (SW1), whereby the first switching matrix performs a time-controlled switching between the input voltage signal (V) IN ), an inverted input voltage signal (V INV ), a zero-voltage signal V IN =0, V inp =V inn =V REF / 2 and a span-voltage signal V IN =V REF / K is performed, where K is a device-dependent factor, wherein a second switching matrix initiates a charging and discharging cycle of a capacity (C) and a conversion of a differential signal between V inp and V inn a time signal is generated and a digital component (DIG) switches between the charging and discharging cycles of the capacity, the pulse width modulated signal (PWM) is output via a comparator circuit (COMP) and the digital section (DIG).
Owner:INST FUR MIKROELEKTRONIK UND MECHATRONIK SYST GGMBH

Measurement circuitry

Circuitry for measuring a characteristic of an electrochemical cell, the circuitry comprising: a comparator having a first comparator input, a second comparator input and a comparator output; a feedback path between the comparator output and the second comparator input configured to provide a feedback signal to the second comparator input; and a loop filter configured to apply filtering to the feedback path to generate the feedback signal, wherein the loop filter comprises the electrochemical cell.
Owner:CIRRUS LOGIC INT SEMICON LTD

Sensor readout system and sensor readout method

A sensor readout system (100) is provided. The sensor readout system (100) comprises a signal generator (101) configured to generate a biasing signal (102), a first chopper (103) configured to modulate the biasing signal (102) using a chopping signal (117) with a chopping frequency fchop to generate a modulated biasing signal (104) . It also comprises a Wheatstone bridge circuit (105) comprising four resistive branches (R1, R2, R3, R4), at least one of the four resistive branches comprises an impedance-based sensor (Rs1, Rs2, Rs3). The Wheatstone bridge circuit (105) is configured to receive the modulated biasing signal (104) and to generate a sensing signal (106) based on the modulated biasing signal (104). A second chopper (107) is configured to modulate the sensing signal (106) using the chopping signal (117) with the chopping frequency fchop to generate a modulated sensing signal (108) .
Owner:STICHTING IMEC NEDERLAND

IMPROVED SUPERCONDUCTIVE POWER LINE, METHOD FOR CONTROLLING A SUPERCONDUCTIVE POWER LINE AND AIRCRAFT COMPRISING SUCH A LINE.

The invention relates to a method for controlling a superconducting power line (100) implemented in a control circuit (10). The method comprises obtaining (S1) information representing a first electric current in said superconducting power line, and then, if (S2) said information representing a first electric current is greater than or equal to a first predetermined threshold value, generating a current (S3), called a second current, in a superconducting coil (108) arranged near said power line (100). The value of said second current is determined from said information representing said first current. The invention also relates to a control circuit (10) configured for implementing the method.Thus, it is possible to reversibly operate current limiting functions by initiating a quench phenomenon in the said superconducting power supply line. Fig. 1.
Owner:AIRBUS (SAS) +1

Voltage level detector performing state detection

ActiveUS12510570B2Reference comparisonVoltage dividersSoftware engineeringHemt circuits
A voltage level detector includes a voltage divider that generates a first division voltage and a second division voltage. A first comparator compares any one of the first and second division voltages with a reference. A second comparator compares the other of the first and second division voltages with the reference. A first switch converts a connection path between the first and second division voltages and the first and second comparators based on a clock signal. A determination circuit determines, based on a first comparison signal and a second comparison signal, whether the voltage level detector is normal. A second switch converts a connection path between the first and second comparison signals and input terminals of the determination circuit based on the clock signal.
Owner:SAMSUNG ELECTRONICS CO LTD

Electronic circuit

Electronic Circuit This description concerns an electronic circuit, comprising: a first circuit to be tested; a second circuit, having at least some components similar to the first circuit, and connected to the first circuit; the electronic circuit being configured to: - adopt a first state in which a determination of at least one aging indicator of the first circuit is carried out using the second circuit, then - adopt a second state in which the first circuit is subjected to operating conditions causing aging, then - adopt the first state again, - compare the determined values ​​of the indicator, and - adapt its operation according to the result of the comparison. Figure for the abstract: Fig. 4
Owner:STMICROELECTRONICS INT NV

Patterned resistance detection circuit and method for detecting patterned resistance of display panel

A patterned resistance detection circuit according to an aspect of the present invention comprises: a current source generator which generates a reference current and applies same to a patterned resistance; a reference voltage generator which generates a reference voltage by using a plurality of resistors and a plurality of switches; a comparator which compares the magnitude of a detection voltage detected by the reference current applied to the patterned resistance with the magnitude of the reference voltage and outputs a voltage comparison result; and a circuit controller which outputs a reference voltage control signal for controlling the plurality of switches according to the voltage comparison result.
Owner:LX SEMICON CO LTD