Abstract: Systems, methods, and computer-readable media are disclosed for high-speed falling conductor protection in electric distribution systems. An example method may include calculating, by a processor, at a first time, and for each phase, one or more first impedance values associated with one or more terminals of a transmission line. The example method may also include calculating, by the processor, at a second time, and for each phase, one or more second impedance values associated with the one or more terminals. The example method may also include determining, by the processor, that a rate of change of an impedance of the one or more terminals is greater than a threshold rate of change. The example method may also include determining, by the processor and based on the determination that the rate of change of the one or more terminals is greater than the threshold rate of change, that the transmission line has broken.

Abstract: A low voltage cell detecting method and a battery management system includes a cell monitoring IC connected to respective ends of a plurality of battery cells and measuring a cell voltage and a battery current of the respective battery cells, and a main control circuit for calculating states of charge (SOCs) of the respective battery cells based on at least one of the measured cell voltages and the battery currents of the battery cells. The main control circuit compares a difference value between first SOCs of the battery cells calculated before a service of a vehicle terminates and second SOCs of the battery cells calculated when the service of the vehicle resumes to a predetermined discharging threshold value, determines whether the battery cells respectively have a low voltage according to the comparison, and detects a low voltage cell.

Abstract: A battery pack comprises a battery, a voltage sensor that detects a voltage of the battery, a power converter that transmits and receives electric power to and from the battery, an SMR and a charging relay electrically connected between the battery and the power converter, and a processor that estimates a polarization voltage Vp of the battery according to the following formula: Vp=a×{1?exp(??t/b)}. The processor determines coefficients a and b based on first and second voltages. The first voltage is detected by the voltage sensor within a first period of time after the SMR is opened and the second voltage is detected by the voltage sensor within a second period of time before the charging relay is closed.

Abstract: The present disclosure relates to methods and systems for chucking in substrate processing chambers. In one implementation, a method of chucking one or more substrates in a substrate processing chamber includes applying a chucking voltage to a pedestal. A substrate is disposed on a support surface of the pedestal. The method also includes ramping the chucking voltage from the applied voltage, detecting an impedance shift while ramping the chucking voltage, determining a corresponding chucking voltage at which the impedance shift occurs, and determining a refined chucking voltage based on the impedance shift and the corresponding chucking voltage.

Abstract: A test system may be used for obtaining accurate remote sense voltage and/or current values. A measurement instrument may provide a regulated stimulus signal to a device under test (DUT) and measure a DUT signal developed at least partially in response to the stimulus signal. A test circuit may superimpose a test signal over the stimulus signal to cause the DUT signal to be developed further in response to the test signal. The DUT signal may be used to derive a resistance of the path that couples the measurement instrument to the DUT. The measurement instrument may include a source measure unit, the stimulus signal may be a regulated voltage, and the DUT signal may be a sense voltage. The harmonics of the DUT signal may be analyzed to determine a correlation between an amplitude of a measured fundamental frequency of the DUT signal and the resistance of the path.

Abstract: An absence of voltage indicator has an isolation circuit, an FM modulator attached to the isolation circuit, a reference oscillator, and a mixer attached to the reference oscillator and the FM modulator, wherein the output of the mixer is the difference of the two signals. In one embodiment, the FM modulator includes a variable capacitor which varies in response to a voltage in parallel to a fixed capacitor and an inductor in parallel to the capacitors.

Abstract: A battery life determination apparatus includes a detector that measures a voltage of a battery, and a controller that determines an average value of a battery depth of discharge based on a voltage of the battery depending on a battery discharging after key off of a vehicle and a battery charging while driving of the vehicle, and determines a battery life by comparing a number of start-on times after the key off with a number of battery life end cycles corresponding to the average value, minimizing problems of start-on failures and charging delays, and providing customers with reliable battery information.

Abstract: Various aspects of the present disclosure are directed to a method for ascertaining the state of health of a secondary battery. In one example embodiment, the method includes making a first estimation for the state of health by an observer, using an aging prediction model to ascertain a second estimation for the state of health, the aging prediction model being parameterized on the basis of the first estimation for the state of health. The first or second estimation of the state of health, or a combination of the first and second estimation of the state of health, is used as the state of health of the secondary battery.

Abstract: An apparatus for monitoring a fluid flow in a pipe using electromagnetic velocity tomography (EVT) which can incorporate capacitively-coupled electrodes which avoid any direct physical and electrical contact between the process fluid to be monitored and the electronics for processing the flow induced voltages, yet which can provide highly accurate output data for processing using electromagnetic velocity tomography (EVT) to produce images of the fluid flow.

Abstract: This display device includes: a drive processing unit inputs an input signal with respect to a plurality of drive lines; an output detection processing unit that detects an output signal that is output from a plurality of sense lines; a grouping processing unit that groups the plurality of drive lines into a plurality of groups each having a set grouped number of adjacent drive lines; and a touch operation detection processing unit that detects a touch operation made with respect to a touch panel based on a linear element sequence calculated by a matrix operation of an input sequence and an output sequence. The drive processing unit inputs the input signal having the same pattern to each of the grouped number of drive lines that have been grouped by the grouping processing unit.

Abstract: A robotic system includes a robot driven using a battery as a power supply source, and a control device configured to control the robot. The control device executes a setting process of making the robot repeatedly execute a first operation from when the battery is fully charged to when an output voltage of the battery becomes not higher than a predetermined threshold value, and setting a number of times the robot executes the first operation in a range in which the output voltage of the battery is higher than the threshold value as a first upper-limit number of times which is an upper limit of a number of times the robot can be made to execute the first operation in a period from when the battery is fully charged to when the battery is recharged.

Abstract: The disclosure relates to a motor parameter measuring device and method. According to the disclosure, a motor parameter measuring device comprises a torque receiver receiving a motor torque of a motor rotated by an external force, a motor constant calculator calculating a motor constant based on the motor torque, and a parameter calculator controlling an inverter connected with the motor to form a closed circuit and calculating a parameter of the motor based on a current generated by the rotating motor in the closed circuit.

Abstract: Systems, methods and apparatus for wireless charging are disclosed. A wireless charging device has a plurality of charging cells provided on a first surface and a processor configured to provide a charging current to a first charging coil in a surface of the wireless charging device, determine that an impedance of a resonant circuit has varied from a threshold or setpoint impedance, and restore the threshold or setpoint impedance by modifying frequency of the charging current. The resonant circuit may include the first charging coil. A method for operating the wireless charging device includes providing a charging current to a first charging coil in a surface of the wireless charging device, determining that an impedance of a resonant circuit has varied from a threshold or setpoint impedance, and restoring the threshold or setpoint impedance by modifying frequency of the charging current. The resonant circuit may include the charging coil.

Abstract: The present invention provides a system and method for determining when a battery, or one or more batteries within a battery pack, undergoes an undesired thermal event such as thermal runaway. A sensor pack is mounted in close proximity to, or in contact with, an external surface of the battery or batteries to be monitored and communicates battery information, including battery compartment information, to a battery package monitor outside the battery compartment. Cloud connectivity can be provided via a mobile application to a battery thermal management package.

Abstract: The present invention discloses methods for detecting and improving temperature stability in measurements performed by a dry block, i.e. a temperature calibrator. The dry block comprises a heating and cooling device. An energy metering integrated circuit measures an applied input power to the heating elements of the heating and cooling device. Additionally, a real-time compensation algorithm uses measurement results obtained by the energy metering integrated circuit, and outputs a control signal to the heating elements. The arrangement may comprise a back draft damper adjacent to a fan. The fan position may be selected. Stability criteria may be set. Leaning of the dry block can be tracked. Different sensors are used for the temperature control and for the temperature stability indication.

Abstract: A field device having a safe interface is based on two voltage regulators designed to set electrical current between corresponding contacts of the interface. The field device tests via which of the contacts the field device is connected with a superordinate unit and an automatic configuration of the interface can be performed for the appropriate transmission standard. Because the contacting to the superordinated unit is checked repetitively by means of two electrical current regulators it is assured that the field device can determine and automatically react to a change of the contacting at the interface even during measurement operation. This makes the interface safe and thereby increases the safety of the process plant, in which the field device is applied.

Abstract: A power supply circuit supplies power from a first battery to a first load. The first load includes a capacitor that needs to be charged before activation. The power supply circuit includes: a main circuit that supplies power from the first battery to the first load; and a backup circuit having a precharge circuit for charging the capacitor and that supplies power from the first battery to the first load. When charging the capacitor, power is supplied from the first battery to the first load by using the backup circuit. After charging of the capacitor is completed, power is supplied from the first battery to the first load by using the main circuit.

Abstract: This application discloses a voltage scaling method and an electronic device. The method is applied to an electronic device having a processor and a power supply that supplies power to the processor. The method includes the processor sending power supply scaling information to the power supply based on an operating frequency in a next time period. The method further includes the power supply determining, based on the power supply scaling information, a supply voltage Vout used to supply power to the processor. The supply voltage Vout decreases as a load current of the power supply increases. Vmin?Vout?V, where Vmin is a lowest supply voltage of the processor at the operating frequency in the next time period, and V is a specified supply voltage of the processor at the operating frequency in the next time period.

Abstract: There is provided a detection chip including a charging circuit, a discharging circuit, a counter and a processor. The charging circuit provides a first charging current within a first charging interval, and provides a second charging current, smaller than the first charging current, within a second charging interval. The discharging circuit provides a first discharging current within a first discharging interval, and provides a second discharging current, smaller than the first discharging current, within a second discharging interval. The counter counts the second charging interval and the second discharging interval. The processor identifies a touch event according to the second charging interval and the second discharging interval.

Abstract: A photovoltaic energy system and a method for detecting a ground insulation impedance, improve accuracy of detecting a ground insulation impedance after one or more conversion circuits are connected in parallel. The photovoltaic energy system includes one or more conversion circuits and a detection circuit. The detection circuit includes an alternating current signal source and a sampling resistor that are connected in series, a first sampling circuit, and a control circuit. The control circuit is configured to control the alternating current signal source to output harmonic signals of a first frequency and a second frequency. The first sampling circuit is configured to: when the alternating current signal source outputs the harmonic signal of the first frequency, collect a voltage at both terminals of the sampling resistor to obtain a first voltage.

Abstract: An information handling system includes a failsafe circuit connected to a first power control interconnect conductor, to a second power control interconnect conductor, and to a processor status interconnect conductor. A processor may provide a first level indicating an operational status of the processor to the processor status interconnect conductor when the processor is operational, and provide a second level indicating a non-operational status of the processor to the processor status interconnect conductor when the processor is non-operational. The failsafe circuit may assure, upon provision of the second level to the processor status interconnect conductor, that the first power control interconnect conductor will be in a first failsafe state and the second power control interconnect conductor will be in a second failsafe state.

Abstract: An AC resistance detection circuit and system. The circuit includes: a working state control module, generating a working state control signal; a sampling module, outputting a sampling signal of a resistance between a neutral wire and a live wire in the detection state; a comparison module, receiving a reference signal and the sampling signal, and outputting a comparison result; a counting signal generation module, receiving an oscillation signal and the working state control signal, and outputting the oscillation signal as a counting signal in the detection state; a zero clearing module, receiving the comparison result and the working state control signal, and outputting an active zero clearing signal when resistance between the neutral wire and the live wire is greater than a threshold; and a counting module, connected to the counting signal and the zero clearing signal, and outputting a high level when a count value reaches a preset value.

Abstract: A radiation risk assessment method and device, an electronic device and a storage medium are provided. The method comprises: determining a risk signal to be assessed based on a product design model, and judging whether the risk signal to be assessed is periodic; if the risk signal to be assessed is periodic, determining the spectrum amplitude corresponding to the risk signal to be assessed; acquiring the current intensity of a radiation source and the distance between the risk signal to be assessed and the radiation source; calculating to obtain the radiation intensity of the risk signal to be assessed using the spectrum amplitude, the current intensity and the distance; and determining the corresponding radiation risk assessment result according to the radiation intensity.

Abstract: Embodiments provided herein generally include apparatus, plasma processing systems and methods for generation of a waveform for plasma processing of a substrate in a processing chamber. Embodiments of the disclosure include an apparatus and method for generating a pulsed-voltage waveform that includes coupling a main voltage source to an electrode during a first phase of a process of generating a pulsed-voltage waveform, wherein the electrode is disposed within a processing chamber, coupling a ground node to the electrode during a second phase of the process of generating the pulsed-voltage waveform, coupling a first compensation voltage source to the electrode during a third phase of the process of generating the pulsed-voltage waveform, and coupling a second compensation voltage source to the electrode during a fourth phase of the process of generating the pulsed-voltage waveform.

Abstract: A leak detection sensor is disclosed for detecting a leaking liquid spilled from an adapter-coupling position, and includes a first conductive layer, an insulator and a second conductive layer. The first conductive layer includes a first through hole. The adapter-coupling position is located adjacent to the first through hole. The insulator includes a second through hole. The second conductive layer is connected to the first conductive layer through the insulator, and includes a conducting surface in fluid communication with the adapter-coupling position through the second through hole and the first through hole. The first conductive layer and the second conductive layer are insulated from each other through the insulator. When the leaking liquid is spilled into the first through hole and the second through hole, and contacts the conducting surface, the second conductive layer is conducted to the first conductive layer to form a conducting-resistance value.

Abstract: A method for determining system resistance of at least one power supply of a handheld medical device, the method including: a) generating at least one excitation voltage signal, wherein the excitation voltage signal comprises at least one direct current (DC) voltage signal, wherein the excitation voltage signal has a fast transition DC flank of 20 ns or less; b) applying the excitation voltage signal to at least one reference resistor having a predetermined or pre-defined resistance value, wherein the reference resistor is arranged in series with the power supply; c) measuring a response signal of the power supply; d) determining a signal flank from the response signal and determining an ohmic signal portion from one or both of shape and height of the signal flank; and e) determining the system resistance of the power supply from the ohmic signal portion.

Abstract: An electrical test device may include a power supply, a conductive probe element, and a spectral analysis block. The power supply may be connected to an external power source. The conductive probe element may be connected to the power supply and may be configured to be energized by the power supply. The probe element may be configured to be placed in contact with an electrical system under test and apply an input signal containing current for measuring at least one parameter of the electrical system. The spectral analysis block may be connected to the probe element and may be configured to receive an output signal from the electrical system in response to the application of the current to the electrical system. The spectral analysis block may be configured to analyze frequency spectra of the output signal and detect a broadband increase in energy of the frequency spectra above a predetermined energy threshold.

Abstract: An autonomous real-time remedial action scheme (RAS) control system may receive electrical measurements of a power system. The RAS control system may determine active power and reactive power of each bus in the power system based on the received electrical measurements. The RAS control system may dynamically determine whether to shed one or more loads, generators, or both in the power system by optimizing an objective function to maintain maximum critical load and maximum critical generation in the electrical system based on the active and reactive power of each bus in the power system and the generation of each generator in the power system. The RAS control system may send a command to trip at least one breaker to cause the at least one breaker to shed the one or more loads, generators, or both. The RAS control system may send a command to runback one or more generators.

Abstract: An apparatus for detecting a presence of an object includes an inductive sensing coil that is configurable to generate a magnetic field. The inductive sensing coil is configured to have an electrical characteristic that is detectable when generating the magnetic field. The apparatus comprises a controller configured to detect a change in the electrical characteristic and determine a presence of the object based on the detected change in the electrical characteristic.

Abstract: A temperature measurement circuit includes a band-gap reference circuit configured to generate a band-gap reference voltage that is fixed regardless of an operation temperature, a reference voltage generator circuit configured to generate a measurement reference voltage by adjusting the band-gap reference voltage, a sensing circuit configured to generate a temperature-variant voltage based on a bias current, where the temperature-variant voltage is varied depending on the operation temperature, an analog-digital converter circuit configured to generate a first digital code indicating the operation temperature based on the measurement reference voltage and the temperature-variant voltage, and an analog built-in self-test (BIST) circuit configured to generate a plurality of flag signals indicating whether each of the band-gap reference voltage, the measurement reference voltage, and a bias voltage corresponding to the bias current is included in a predetermined range.

Abstract: The battery monitoring techniques described herein may be used for detection of battery anomalies or faults. Also, the battery monitoring techniques described herein may be used to generate estimates of total battery capacity. The battery monitoring techniques may employ an alternating current frequency response (ACFR) of the battery. The ACFR response of the battery may be used to detect anomalies and/or estimate a total capacity of the battery.

Abstract: A touch panel includes: a first substrate including a first touch electrode and a contact surface that can be touched by an object to be detected; a second substrate opposite the first substrate, the second substrate including a second touch electrode; a liquid crystal layer between the first substrate and the second substrate; and a control unit connected to the first touch electrode and the second touch electrode, wherein the control unit detects a first electrostatic capacity of the first touch electrode and a second electrostatic capacity between the first touch electrode and the second touch electrode, the first electrostatic capacity being changed by the object to be detected.

Abstract: An arc detector for detecting arcs in an RF plasma system includes at least two inputs configured to connect to an RF source, at least one output configured to connect to a plasma load, and a 3 dB coupler connected to the at least two inputs and the at least one output. The arc detector further includes a measuring device configured to measure at least two physical quantities transmitted between the 3 dB coupler and the at least one output, a determinator configured to determine an evaluation quantity based on the at least two physical quantities, and a differentiator configured to differentiate the evaluation quantity. The arc detector additionally includes a comparator configured to compare the output quantity of the differentiator with a reference value indicative of an arc.

Abstract: A detection circuit and an integrated circuit. The detection circuit is used for detecting the drift or an open circuit of a first capacitor (C1) on a filtered second power source terminal (220), and the second power source terminal (220) is suitable for acquiring a power source voltage from an unfiltered first power source terminal (210) by means of a first resistor (R1), and is suitable for being coupled to a reference electric potential terminal (230) by means of the first capacitor (C1). The detection circuit comprises a second resistor (R2) and a second capacitor (C2) that are connected in series and coupled between the first power source terminal (210) and the reference electric potential terminal (230), wherein the second resistor (R2) and the second capacitor (C2) have the same time constant as the first resistor (R1) and the first capacitor (C1).

Abstract: A method and a system for verifying an integrated circuit stack having at least one silicon photonic device is introduced. A dummy layer and a dummy layer text are added to a terminal of at least one silicon photonic device of the integrated circuit. The method may perform a layout versus schematic check of the integrated circuit including the dummy layer and the dummy layer text.

Abstract: An optimizer includes a processor configured to: optimize a change amount of a interlinkage magnetic flux in a coil by using an objective function formula that maximizes a sum of ??irightxi (i=1 to Nc) and ??ileftyi (i=1 to Nc), when it is assumed that a surface of the magnetic device where the coil is arranged be divided into Nc (Nc is integer) coil regions, in an i-th coil region Ni, an auxiliary variable of a clockwise coil that may exist in the coil region Ni be xi, and an auxiliary variable of a counterclockwise coil that may exist in the coil region Ni be yi, and a change amount of an interlinkage magnetic flux of the clockwise coil in the coil region Ni be ??iright and a change amount of an interlinkage magnetic flux of the counterclockwise coil in the coil region Ni be ??ileft.

Abstract: A battery diagnosis apparatus determines whether a battery may be reused and includes a data obtaining device configured to output a perturbation signal, a signal regulating device configured to generate a current by applying the perturbation signal to a battery and performing feedback of a current signal output from the battery, and a noise canceling device configured to cancel noises of the current signal and a voltage signal received from the battery. The data obtaining device outputs the perturbation signal while changing a frequency, obtains an impedance spectrum based on the noise-canceled current signal and voltage signal for each frequency, and determines whether to reuse the battery based on the obtained impedance spectrum.

Abstract: Embodiments of the present application provide a detection apparatus of electrochemical impedance spectroscopy and a battery management system, the detection apparatus including a waveform generator, where the waveform generator is integrated in a battery monitoring chip; an excitation resistor; a detection resistor; and an MOS switch, wherein the waveform generator is configured to generate a pulse waveform, a gate electrode of the MOS switch is configured to receive the pulse waveform; the excitation resistor is configured to enable the battery to generate an excitation current when the gate electrode of the MOS switch receives the pulse waveform; the detection resistor is configured to convert the excitation current into an excitation voltage, the excitation voltage is configured to calculate an electrochemical impedance of the battery, The detection apparatus of electrochemical impedance spectroscopy in embodiments of the present application can lower cost and volume of EIS detection.

Abstract: A deterioration amount estimation device includes a calculation unit (CPU33) that calculates a deterioration amount of an energy storage device and an estimation unit (CPU33) that estimates a transient deterioration amount based on a deterioration amount calculated by the calculation unit and a continuous deterioration amount that does not decrease with time and continues. The transient deterioration amount is estimated, and the input/output of the energy storage device is limited to suppress an increase in the continuous deterioration amount.

Abstract: A signal analysis method is described. The signal analysis method comprises the following steps. An output signal is received from a device under test. A sampling point density is received and/or the sampling point density is determined based on the output signal. A response function of the device under test is determined based on the output signal and based on the sampling point density. The sampling point density represents a number of sampling points per frequency interval for determining the response function. The response function characterizes at least one property of the device under test as a function of frequency. Moreover a measurement system for determining a response function of a device under test is described.

Abstract: A capacitive sensing input system includes sensor electrodes disposed in a sensor electrode pattern and a processing system. When under a low ground mass (LGM) condition, proximity-sensing pairs of electrodes formed by a first selective pairing of the sensor electrodes have an increased sensitivity to a presence of an input object in comparison to LGM-sensitive pairs of electrodes formed by a second selective pairing of the sensor electrodes that are primarily sensitive to the LGM condition. The processing system is configured to, while under the LGM condition, determine a first LGM term using a mutual capacitance sensing with a first of the LGM-sensitive pairs of electrodes, obtain a first transcapacitance sensing signal for a sensing element formed by a first of the proximity-sensing pairs of electrodes, and generate an LGM-corrected transcapacitance sensing signal by correcting the first transcapacitance sensing signal using the first LGM term.

Abstract: A system for measuring impedance which is tolerant of connection errors includes a measuring instrument and a relay plate. The relay plate includes a plurality of relay groups. A relay group comprises a first channel, a second channel, a third channel, and a fourth channel. The first to fourth channels are electrically connected to a conductive pin of the product. The relay board further comprises a first voltage interface, a second voltage interface, a first current interface, and a second current interface, the first voltage interface is electrically connected to the first channel, the first current interface is electrically connected to the second channel, the second voltage interface is electrically connected to the third channel, and the second current interface is electrically connected to the fourth channel, a control unit being able to switch between these when connected to obtain impedance measurements.

Abstract: A method for producing a semiconductor device includes dicing, at a scribe area of a semiconductor wafer, the semiconductor wafer into semiconductor chips including respective circuit areas formed on the semiconductor wafer, the scribe area being provided between the circuit areas and extending in a first direction in a plan view, wherein the scribe area includes a first area extending in the first direction and second areas including monitor pads and extending in the first direction and located on both sides of the first area, wherein the method includes removing at least portions of the monitor pads by emitting laser beam to the second areas before the dicing, and wherein, in the dicing, the semiconductor wafer is diced at the first area.

Abstract: Magneto-quasistatic signals may be used to enable under-liquid communication between devices. A magneto-quasistatic signal transmitter of an under-liquid device may transmit a magneto-quasistatic signal conveying communication data through liquid. A magneto-quasistatic signal receiver of another under-liquid device may receive the magneto-quasistatic signal and extract the communication data from the magneto-quasistatic signal. The under-liquid device that received the magneto-quasistatic signal may use the communication data, store the communicate data, and/or relay the communication data (e.g., to another under-liquid device, to an above-liquid device) using another magneto-quasistatic signal.

Abstract: The present invention discloses a temperature calibrator, which comprises or has an externally attached inclination angle sensing means. A temperature sensor and an internal battery is applied as well, together with a fan. The temperature calibrator comprises regular heating elements, a processor, and a User Interface. The system measures the inclination angle and internal temperature of the temperature calibrator. If the angle or temperature value or both exceed a certain threshold value, the system is configured to switch off the heating elements immediately, and to show or send a warning indicator or signal to the user or manager of the device via the UI 22, e.g. through a red LED light, a beeping sound or a warning message on the screen of the temperature calibrator or of the remote device.

Abstract: In an electrical characteristic acquisition apparatus, a condition under which an electrical characteristic of a target object is acquired can be inputted by an operator, and an electrical characteristic of the target object is acquired under the input condition. In a case where a condition is inputted as a condition under which an electrical characteristic of the target object is acquired, an erroneous determination is made due to the different conditions that the target object is not an electrical component which complies with the nominal value, or, in a case where a difference between a value representing an electrical characteristic of the target object and a nominal value of the target object is larger than a permissible tolerance, an erroneous determination is made that the target object is defective. Here, these erroneous determinations are prevented from being made.

Abstract: There is provided a touch detection circuit including a charging circuit, a discharging circuit, a counter and a processor. The charging circuit charges a detection capacitor within a charging interval using different currents. The discharging circuit discharges the detection capacitor within a discharging interval using different currents. The counter counts the charging interval and the discharging interval. The processor subtracts a baseline time from a counted charging time and a counted discharging time to cancel the noise interference.

Abstract: Disclosed is a field device electronics for a field device of automation engineering, comprising: first and second terminals for connecting the field device electronics to a cable for an electrical input current to the field device electronics; a series regulator to set the input current; a shunt regulator following the series regulator; a first capacitance connected in parallel with the shunt regulator for energy storage; a supply circuit connected in parallel with the shunt regulator and the first capacitance for providing an operating voltage; and connected after the supply circuit and supplied by the operating voltage, a control unit adapted to register a buffer voltage lying across the first capacitance, based on the registered buffer voltage, to make a decision concerning at least one part of the field device electronics.

Abstract: The present invention discloses an AC impedance measurement circuit with a calibration function, which is characterized in that only one calibration impedance is needed, associated with a switch circuit. Based on the measurement results of the two calibration modes, an equivalent impedance of the switch circuit, circuit gain and phase offset can be calculated. Based on the above results, the equivalent impedance of the internal circuit is deducted from the measurement result of the measurement mode to accurately calculate an AC conductance and a phase of the AC conductance for impedance to be measured. In addition, by adjusting a phase difference between an input sine wave signal and a sampling clock signal, impedance of the same phase and impedance of the quadrature phase can be obtained, respectively, and the AC impedance and phase angle of the impedance to be measured can be calculated.

Abstract: The invention relates to a method for diagnosing a fieldbus type network. The method comprises the steps of measuring, using a signal measuring device such as an oscilloscope, a bus signal of the fieldbus type network, providing the measured bus signal to a computer system, and generating, by the computer system, a diagnosis. The diagnosis is performed by executing a step of comparing, by the computer system, the measured bus signal with signals in a database of bus signals and corresponding diagnoses; and/or feeding, by the computer system, the measured bus signal to a trained statistical model trained to diagnose the fieldbus type network; as well as a step of outputting the diagnosis based on the output of the comparison and/or the output of the statistical model.