Abstract: Systems and methods are provided for a utility meter assembly comprising: a plurality of meter components configured for measuring and collecting data, wherein the meter components include a transceiver operative for signal communications over a network; a faceplate, configured such that meter reading information is displayed on the front of the faceplate; an exterior cover configured to enclose the meter components and the faceplate, wherein the faceplate is forward of the plurality of meter components; and an internal dipole antenna situated within the exterior cover, wherein the internal dipole antenna is beyond the front of the faceplate and toward the front of the utility meter assembly. The internal dipole antenna is typically situated away from the meter components, so as to minimize interference by the meter components.

Abstract: A method includes receiving a first set of parameters associated with a plurality of die. A first die performance metric associated with a selected die is determined based on the first set of parameters. At least one neighborhood die performance metric associated with a set comprised of a plurality of die that neighbor the selected die is determined based on the first set of parameters. A second die performance metric is determined for the selected die based on the first die performance metric and the neighborhood die performance metric.

Abstract: A metrology system monitors radio frequency (RF) power at a plurality of locations in a circuit. The system includes a plurality of RF sensors that generate respective analog signals based on electrical properties of the RF power, a multiplexing module that generates an output signal based on the analog signals, and an analysis module that generates messages based on the output signal. The messages contain information regarding the electrical properties that are sensed by the plurality of RF sensors.

Abstract: The present disclosure is concerned with the reduction of an operational security margin of a power system without jeopardizing the safety of the power system or incurring heavy investments. According to the disclosure, a check for basic accuracy or correctness of a conventional State Estimation (SE) procedure allows to increase a level of confidence in the results of the procedure. To this end, an accuracy of the estimated states is verified by comparing the latter with the results (y, y?) of independent phasor measurements performed at selected locations of the power system. Unless a discrepancy is reported by this comparison, the results of the SE can be assumed to be sufficiently accurate, and any conservative or additional security margin intended to compensate for SE uncertainty can be relaxed. Hence, established trustworthiness in the estimated states allows increasing the transmitted power where the estimated states do indicate such a possibility, i.e.

Abstract: A method of the present invention using a prediction process including a battery equivalent circuit model used to predict a voltage and a state of charge of a battery. The equivalent circuit battery model includes different equivalent circuit models consisting of at least an ideal DC power source, internal resistance, and an arbitrary number of representative parallel resistors and capacitors. These parameters are obtained a priori by fitting the equivalent circuit model to battery testing data. The present invention further uses a correction process includes determining a corrected predicted state of charge of the battery; and storing the corrected state of charge of the battery in a storage medium. In the present invention, an expectation of the predicted voltage of the battery and an expectation of the predicted state of charge of the battery are obtained by an unscented transform with sigma points selected by a Gaussian process optimization.

Abstract: Electrical networks are formed to produce an approximation of at least one desired performance characteristic, based on the recognition that fabrication variations introduce slight differences in electronic sub-networks which were intended to be identical. These fabrication differences are turned to an advantage by providing a pool of sub-networks, and then selectively connecting particular combinations of these sub-networks to implement networks that approximate the desired performance characteristics. The sub-networks are of like kind (e.g., resistors) and have a like measure.

Abstract: The method uses a location device and a timing element to determine the location of a protection device at various periods of time. During these periods of time, the human may be participating in a variety of activities and positions.

Abstract: Differences in outputs from multiple terminals are easily measured.

Abstract: A circuit testing apparatus for testing capacitance of a capacitor of a device under test is provided. The circuit testing apparatus includes a measuring module, a first converting module, a processing module and a second converting module. The measuring module provides a testing signal, and determines the capacitance of the capacitor according to a signal measuring result of the testing signal. The first converting module is coupled to the measuring module for converting the testing signal to generate a testing input signal. The processing module is coupled to the first converting module and the device under test for transmitting the testing input signal to the capacitor, and amplifies an output signal generated by the capacitor to generate an amplified signal. The second converting module is coupled to the processing module and the measuring module for converting the amplified signal to generate the signal measuring result.

Abstract: A system for collecting data and monitoring the operation of electrical circuits, such as branch circuits at a substation is provided. The system collects data from a plurality of sensors coupled to a plurality of electrical equipment associated with a circuit. The data from the sensors is collected and used to identify signatures in the data to ascertain potential issues in the electrical protective circuit. The data is further analyzed to determine signatures of abnormal operating conditions. The signatures are compared to reference signatures to identify the abnormal conditions and corrective action is initiated.

Abstract: A device, comprising a monitoring slicer adapted to repeatedly sample an internal analog signal to provide a sequence of digital outputs indicating a result of a comparison of the level of the internal analog signal to a reference voltage and an operative unit adapted to perform a task of the device and provide a result without using digital outputs from the monitoring slicer.

Abstract: An apparatus for testing multiple Small Form-Factor Pluggable Plus (SFP+) ports comprising: a first testing module; a second testing module; and a communications link coupled with the first and the second testing modules; wherein each of the testing modules includes: a SFP+ interface connectable to a port under test (PUT), a signal processing circuit including: a signal compensator configured to perform signal compensation on a signal received from the other testing module, and a signal modifier configured to: modify the compensated signal according to a set of predetermined modification parameters, and transmit the modified signal to the PUT.

Abstract: In a particular embodiment, a method is disclosed that includes receiving data related to a customer premise equipment (CPE) device and determining an impedance mismatch between a transmission line and the CPE device based on the received data. The method further includes initiating removal of a source of the impedance mismatch in response to determining the impedance mismatch.

Abstract: The location of a terminal is estimated within an area of coverage of a wireless network comprising at least one fixed node by measuring a complex frequency response of a radio channel between the terminal and one of said fixed nodes and estimating the location of the terminal on the basis of at least a comparison between data representing a first metric of the measured complex frequency response and data representing a plurality of stored metrics, each of said plurality of stored metrics being related to one of a plurality of different locations within the network and each stored metric being of a complex frequency response measured between the said one of said fixed nodes and the location within the network to which the metric relates.

Abstract: The current measuring device comprises a first measuring resistor to receive a measurement current, and a first signal amplifier having an input connected to said first measuring resistor and an output to provide a first measurement signal. A second measuring resistor is connected in series with said first measuring resistor, and first voltage limiting means are connected in parallel on the first measuring resistor to branch a first shunt current off when a first limiting voltage is reached on said first measuring resistor. The value of the first measuring resistor is greater than the value of the second measuring resistor A processing unit comprises one such current measuring device.

Abstract: In a motor control device that drives a plurality of motors with one DC power supply, detection of a short circuit fault occurring in the motors is realized with an inexpensive configuration. In order to drive the plurality of motors (105, 106), a current detection resistor (404, 405) is arranged between a connection point on positive terminal sides of a plurality of electric power converters (401, 402) connected in parallel to a DC power supply (403) and a positive terminal of the DC power supply, or also between a connection point on negative terminal sides of the plurality of electric power converters and a negative terminal (ground) of the DC power supply, to thereby detect the short circuit fault based on a voltage of the current detection resistor.

Abstract: Quiescent supply current (IDDQ) verification, prediction, and debugging of low power semiconductor devices are enhanced by IDDQ defect diagnosis. If all IDDQ patterns fail verification, per module analysis is performed to sort out potential module design issues or cell constraint issues. For issues of missing constraints, and cell design or implementation issues leading to extra leakage that could be avoided by adding constraints, there are usually IDDQ patterns that correlate with expectations, and patterns that do not, due to the random nature of unconstrained scan cell values as determined by the pattern generation tool. Differentiating good and bad IDDQ patterns can identify root causes of IDDQ issues and additional constraints to fix the bad IDDQ vectors. These verification procedures are achieving IDDQ test success and short time to market, as well as significantly faster time to volume and improved yields because of having a higher quality and better-controlled IDDQ test.

Abstract: An intelligent electronic device (IED) has enhanced power quality and communications capabilities. The power meter can perform energy analysis by waveform capture, detect transient on the front end voltage input channels and provide revenue measurements. The power meter splits and distributes the front end input channels into separate circuits for scaling and processing by dedicated processors for specific applications by the power meter. Front end voltage input channels are split and distributed into separate circuits for transient detection, waveform capture analysis and revenue measurement, respectively. Front end current channels are split and distributed into separate circuits for waveform capture analysis and revenue measurement, respectively.

Abstract: A sensor-less technique is described for detecting the status of an AC contactor of a power inverter. In one embodiment, a method is provided of sensing an unexpected condition of an AC contactor used to couple to a power distribution system a power inverter having at least one power conductor. The method includes determining a voltage value for the conductor; determining a current value for the conductor; determining a phase difference using the voltage value and the current value; and monitoring successive values of the phase difference to produce a monitoring result. Depending on the monitoring result, a determination is made whether or not to issue an alert signal. Control routines embodying such technique may be stored on computer-readable media. A power inverter using such technique is described.

Abstract: A computing device is arranged to include a resource manager that controls access to all power resources on the device. The resource manager detects unused devices by counting the components that have requested usage and powers down unused resources, and for those resources offering multiple power levels, it guarantees that the operating level is no higher than is needed.

Abstract: A system for real-time monitoring of synchrophasors from an electrical power system serving multiple geographic areas can control system instability, without preset parameters or thresholds, detects power flow between the generation sources. If a change in power flow of at least 5% over at time period of 1 second or less occurs and the response to the change in power flow is greater than the change in power flow a signal is generated for corrective action.

Abstract: Disclosed are a method and system for measuring the electron energy distribution function (EEDF) in a plasma which has a pronounced drifting Maxwellian component of the EEDF. The method comprises fitting an acquired unfiltered electron current vs. bias voltage curve to a functional form which assumes an EEDF comprising at least one stationary Maxwellian component and at least one drifting Maxwellian component. The method and system allow more accurate characterization of plasmas with electron components with pronounced drift, such as plasmas in microwave surface wave plasma (SWP) sources.

Abstract: A computer-implemented method of determining parasitic capacitance for transistors within an integrated circuit can include determining a first set of coefficients for a first expression that calculates parasitic capacitance for a transistor structure according to a first plurality of parasitic capacitances derived from a plurality of two-dimensional transistor structures (320). The first set of coefficients can be inserted into the first expression (325). The method further can include determining a second set of coefficients for a second expression that calculates parasitic capacitance for a transistor structure according to a second plurality of parasitic capacitances derived from a plurality of three-dimensional transistor structures (345). The second expression can include the first expression (350). The method can include inserting the second set of coefficients into the second expression and outputting the second expression (355).

Abstract: The method for state estimation based on the measured data of data-acquisition system in electric power system relates to the field of power system analysis technique, characterized in that the method comprises: distributing the said measured data into an operating power system to form a calculation model, defining the injection power of the link nodes as 0 and taking the maximum active power output, maximum reactive power output of the generator as the constraints, constructing a mathematic model for estimation, resolving the optimum solution of the voltage amplitude and voltage phase angle for every node, and calculating the estimated values of the voltage, the active power and the reactive power by using the optimum solution of the state variables, if the difference between the measured value and the estimated value was less than a parameter ? that is predetermined under different voltage levels, the estimated value is qualified.

Abstract: Magnetic field sensors (1) comprising field detectors (10) for detecting magnetic fields are provided with environment detectors (11) for detecting environments and with processors (12) for, in response to detected environments, performing processes such as loading calibration parameter sets and (re)calibrations for the field detectors (10), to allow the magnetic field sensors (1) to be used in different subsequent environments. The environment detectors (11) may comprise code detectors for detecting codes indicative for environments and may comprise user interfaces (13) for, in response to detected environments and via user interactions, selecting processes to be performed by the processors (12). Devices (2) comprise magnetic field sensors (1). Apparatuses (3) such as cradles removably fix the devices (2) and may comprise code generators (30) for generating the codes indicative for the environments.

Abstract: An exemplary signal interference control system is disclosed that utilizes a computer system, such as programmable logic circuits or computer controlled logic gates, to generate blanking or control signals for various types of radio frequency receiver and transmitter combinations. Control signals are generated based on signal characteristic information stored in a memory including a delay following receipt of a pre-trigger signal from a radio frequency transmitter and a pulse width of control signal(s) generated for specified receivers, frequencies or systems. In one embodiment, information can be retrieved from a memory and used to generate an interference control signal. One or more control signals can be routed to a related or associated receiver to reduce or eliminate interference effects.

Abstract: An Extended Input/output (I/O) measurement word facility is provided. Provision is made for emulation of the Extended I/O measurement word facility. The facility provides for storing measurement data associated with a single I/O operation in an extended measurement word associated with an I/O response block. In a further aspect, the stored data may have a resolution of approximately one-half microsecond.

Abstract: Embodiments of a computer system, a method, an integrated circuit and a computer-program product (i.e., software) for use with the computer system are described. These devices and techniques may be used to analyze an electrical characteristic of a logic gate electrically coupled to an output network in a stage. In particular, during the analysis, the effective capacitance of an output network coupled to a logic gate is approximated as a function of a total resistance of the output network, a total capacitance of the output network, and a geometric parameter of the output network. Using the effective capacitance and other parameters, such as a slew rate of an electrical signal applied to an input of the logic gate, an electrical characteristic of the logic gate, such as an input capacitance, is determined.

Abstract: A system and method including at least one patch panel device interconnected with at least one media line and configured to at least one of receive and transmit a communication signal; and at least one measurement device interconnected with the patch panel through at least one monitoring jumper, wherein the measurement device is configured to capture at least one of a voltage and an impedance from the monitoring jumper, wherein the monitoring jumper is configured to selectively receive an electronic label.

Abstract: One or more example diagnostics may be implemented as part of an intelligent luminaire manager or other radio frequency (RF) device that is in communication with an equipment or fixture such as a luminaire. Example diagnostics can determine a status such as a fixture malfunction, a cycling condition, a miswiring configuration, or another condition. The determined status can be wirelessly transmitted from the intelligent luminaire manager or other radio frequency device to a network server via a network. The network may be a network of intelligent luminaire managers and/or RF devices.

Abstract: A test system that provides an output signal for analysis without requiring the test hardware to be idle during a settling interval. The test system includes a preprocessor that identifies the near-DC drift that occurs in the output signal and then adjusts the output signal to remove the near-DC drift. A set of values representing the near-DC drift at each of multiple times during the acquisition of a signal for analysis may be computed and used to model a settling profile of the signal by fitting a curve to the set of values. The model of the settling profile may then be subtracted from samples representing the output signal to provide an adjusted signal for further analysis.

Abstract: According to one embodiment, a measuring device includes a clock output unit, a receiving unit, an adjusting unit, a generating unit, and a transmitting unit. The clock output unit generates a clock, counts the clock, and outputs a count value. The receiving unit receives a first message including time information. The adjusting unit adjusts time at which acquires a physical amount on the basis of the time information included in the first message and the count value output from the clock output unit when the first message is received. The generating unit generates a second message including a value of the physical amount acquired at the adjusted time. The transmitting unit transmits the second message to a device, which is a transmission source of the first message.

Abstract: A method and device for calculating the Specific Absorption Rate (SAR) caused in a body by the electric field of a wireless communications device. The method involves using a model of a body, wherein the device is placed in proximity to the model and the electric field is measured at discrete points, including measuring the magnitude of the electric field at points of a first and a second surface of the model. By means of the measured magnitudes, the phase at said points is determined, such that the complex electric field at said points is determined. The complex electric field at said points is then used to determine the complex electric field in the model of the body. The complex electric field is used in order to calculate the SAR value caused by the device.

Abstract: A system and method for identifying turn faults in a stator of a motor are provided. The method includes determining a normalized cross-coupled impedance from the symmetrical components of measured voltages and currents of the motor. Additionally, the normalized cross-coupled impedance may be normalized to a negative sequence impedance. The negative sequence impedance may be determined through a regression analysis using parameters of the motor, such as line-to-line voltage, horsepower, and number of poles. A system is provided that includes a device having a memory and processor configured to determine a normalized cross-coupled impedance, compare the normalized cross-coupled impedance to one or more thresholds, and trigger and alarm and/or trip the motor.

Abstract: A system for collecting data and monitoring the operation of electrical circuits, such as branch circuits at a substation is provided. The system collects data from a plurality of sensors coupled to a plurality of electrical equipment associated with a circuit. The data from the sensors is collected and used to determine the activation of the electrical equipment, such as a protective relay for example. The data is further transformed to allow assessment of the circuit's performance against desired parameters.

Abstract: A computer implemented method for receiving a plurality of analyte sensor related signals, determining a probability of signal attenuation associated with the received plurality of analyte sensor related signals, verifying the presence of signal attenuation when the determined probability exceeds a predetermined threshold level, and generating a first output signal associated with the verification of the presence of signal attenuation is provided. Also provided are systems and kits.

Abstract: An apparatus for testing one or more transmission lines is disclosed. The apparatus comprises a processor capable of configuring the apparatus in one of a master mode and a slave mode. The apparatus when configured in the master mode controls the testing of the one or more transmission lines of a cable. The apparatus also includes one or more test modules associated with one or more tests to be performed on the one or more transmission lines. Further, one or more transceivers of the apparatus are capable of one or more of sending and receiving a plurality of signals through the one or more transmission lines. One or more signals of the plurality of signals are associated with the one or more test modules.

Abstract: A method for analyzing an operating point of a permanent magnet performs electromagnetic field analysis based on a B-H curve of the permanent magnet and element data concerning a finite number of elements into which the permanent magnet is divided to obtain the operating point of the permanent magnet. The method includes the steps of storing data of inputted B-H curve; obtaining magnetic flux densities and magnetic fields in plural regions of the permanent magnet by performing the electromagnetic field analysis based on the data of the B-H curve; and obtaining the operating point of each of the elements based on the result of the electromagnetic field analysis by employing a variable, the variable continuously varying in a first quadrant, in a second quadrant, in a third quadrant, and over these quadrants of the B-H curve and linearly varying with respect to the magnetic flux density and magnetic field.

Abstract: A first detection unit has first and second detection circuits. A second detection unit has third and fourth detection circuits. Output signals of the second and fourth detection circuits differ from output signals of the first and third detection circuits in phase, respectively, by an odd number of times ¼ the signal period. The output signal of the third detection circuit differs from the output signal of the first detection circuit in phase by an integer multiple of ? the signal period other than an integer multiple of ½ the signal period. A rotating field sensor generates a first signal based on the output signals of the first and third detection circuits, generates a second signal based on the output signals of the second and fourth detection circuits, and calculates a detected angle value based on the first and second signals.

Abstract: An electronic signal level detection system and method are provided. The method receives an analog input signal having a variable voltage and compares the input signal voltage to a threshold. A detection signal is generated for input signal voltages exceeding the threshold in a periodic first time frame. In a second periodic time frame (following the first time frame), a count is updated in response to the generated detection signals. The count is used to create a metric representative of the difference between the input signal voltage and the threshold. The count is incremented in response to the generating a detection signal (“1”) in the first time frame, and decremented in response to not generating a detection signal (“0”) in the first time frame.

Abstract: A slider has a first conductive trace and a second conductive trace. The first conductive trace has one or more sub-traces. The width of a first sub-trace of the first conductive trace is larger than the width of a second sub-trace of the first conductive trace adjacent to the first sub-trace of the first conductive trace. The second conductive trace has sub-traces. The width of a first sub-trace of the second conductive trace is smaller than the width of a second sub-trace of the second conductive trace adjacent to the first sub-trace of the second conductive trace. The sub-traces of the first conductive trace are interleaved with the sub-traces of the second conductive trace.

Abstract: An analysis apparatus analyzes the properties of an object to be analyzed. Specifically, the analysis apparatus receives an input of property information on an object to be analyzed and calculates, in accordance with the property information on the input object to be analyzed, an average value of magnetization vectors allocated to each micro-region that is obtained by dividing the object to be analyzed into regions. Then, by using the calculated average value of the magnetization vectors and an equation of a magnetic field that is a governing equation of a vector potential, the analysis apparatus calculates the vector potential obtained after a predetermined time has elapsed.

Abstract: A method of capturing user control inputs for an electronic device comprises sampling an input measurement signal at a capacitive input sensor of the electronic device to capture user control inputs for operating the electronic device. Electromagnetic interference affecting the sampling or the input measurement signal is electronically neutralized.

Abstract: In one embodiment, the optical lock system may include an electronic control unit, a lock housing including a lock chamber, and an optical key including a multilayer photonic structure. The multilayer photonic structure may produce a unique intensity profile and includes a plurality of coating layers of high index dielectric material and a plurality of coating layers of low index dielectric. A light source may transmit a reference light to the multilayer photonic structure when the optical key is disposed within the lock chamber. A photo detector may receive an interaction light from the multilayer photonic structure and may transmit the unique intensity profile to the electronic control unit which may execute machine readable instructions to: compare the unique intensity profile to an electronic master; and cause the lock actuator to transition from a first state to a second state when the unique intensity profile corresponds to the electronic master.

Abstract: A system and method utilizing virtual switching in an electrical panel meter or multifunction device is provided. The virtual switching enables the meter or multifunction device to be upgraded or downgraded through a switching signal, by activating or deactivating multiple operative functions that are to be performed in the meter or multifunction device, such as operative functions for substation automation. Accordingly, when the upgrade or downgrade is necessary, the meter or multifunction device does not have to be replaced.

Abstract: Methods and apparatus for media characterization in a self-service terminal are described. The media us characterized in the self-service terminal by passing it by two electrodes and measuring the impedance across those two electrodes. The media is characterized by analyzing the measured impedance. The impedance may be measured by applying a modulated reference signal to one electrode and detecting the current on the second electrode. In an embodiment, the detected current may be converted into a voltage signal and mixed with a phase shifted version of the modulated reference signal.

Abstract: A memory component directly coupled to a transducer stores both the data sheet information for that particular transducer and the data sheet information of one or more other transducers in the system. The transducers in the system are each assigned a unique index, and the data stored in the memory component are indexed in order to distinguish the data corresponding to a particular transducer. The transducers do not have to be the same type. Information stored in the memory component can include identification information and calibration data. A processor reads the information from the memory and applies the information to measured data acquired by the transducers.

Abstract: A remote engine start confirmation and vehicle monitoring and control system includes a transmitter and a controller capable of receiving and processing transmitter signals, the controller comprising a monitoring circuit for detecting a first pulsed voltage pattern and a second pulsed voltage pattern across the battery during an engine start procedure, a signaling circuit for signaling the disengagement of the starter from the engine after a detection of the termination of the first pulsed voltage pattern and the start of the second pulsed voltage pattern, and an initiation circuit for initiating the monitoring of a vehicle condition, such as overheating or low fuel, after the detection. A method for controlling the vehicle operation includes detecting an occurrence of a vehicle condition and performing an operation based on the detection, such as terminating ignition voltage or fuel supply or notifying the operator of the vehicle condition via the transmitter.

Abstract: A non-transitory computer-readable recording medium stores a magnetic program causing a computer to perform an exchange coupling energy calculating process including interpolating a rotation angle between two magnetization vectors disposed at the respective centers of two adjacent elements used in a finite volume method with reference to a rotation axis perpendicular to the two magnetization vectors, and calculating a magnetic exchange coupling field by integrating a magnetic field acting as a force exerted on the two magnetization vectors with the interpolated rotation angle.

Abstract: A load calculation control method and apparatus for load characteristic tests of electric generator is provided, which enables continuous and precise following of a load control value. In this apparatus, a resistor bank ?, which is to be connected to a load apparatus provided with a power supply apparatus (G), a ground relay (GR), a voltmeter (V), an electric power meter (P), an ampere meter (A), and main circuit breakers (CB, CBH), is divided into two or more (2-N). A switch (CL/CH) and a controller (CV) are connected to each resistor bank (?1-?N). and a power capacity obtained by dividing, maximum power capacity of resistor bank groups (?L, ?H) by two through (2n-1). The controller (CV) includes a control value storing circuit (MC) and a comparing/transmitting circuit (OC) that compares the power capacity value of the resistor banks (?1-?N) with the load control value and that transmits ON/OFF signals to the switches (CL, CH) connected to the resistor banks (?1-?N).