Abstract: A method that configures a liquid-level transmitter device to generate a measured value for a level of a liquid. The method includes steps to correct for changes in physical properties of one or more components of the device. In one embodiment, the method utilizes a correction value that incorporates data from a temperature sensor disposed inside of the device, for example, inside of the electronics member.

Abstract: An increase in power consumption involved in calibration for calibrating an offset of a geomagnetism sensor is suppressed. An electronic device performs calibration of an output error of the geomagnetism sensor so that the geomagnetism sensor can output more accurate geomagnetism data based on angular speed data output by a gyro sensor. The electronic device controls turning ON/OFF of the gyro sensor. The electronic device determines whether or not calibration of the geomagnetism sensor is necessary. When it is determined that calibration of the geomagnetism sensor is unnecessary, the electronic device performs a control operation to turn OFF the gyro sensor.

Abstract: A sensing device including a sensor, a triggering mechanism is provided. The sensing device is attachable to a covering positioned in contact with a body such that the triggering mechanism extends between first and second segments of the body. Movement of at least one of the first and second segments activates the triggering mechanism to provide an input to the sensor, actuating the sensor to generate an output defining at least one measurement of the movement. The measurement may be one or more of rotation, translation, velocity, acceleration, and joint angle. An intermediate mechanism may be interposed between the triggering mechanism and the sensor. The sensing device may include a means to process or record measurements corresponding to movement. A system and method of measuring the movement is also provided.

Abstract: A system for detecting a fault in a polyphase electrical network, characterized by the fact that it comprises a plurality of sensors distributed over the electrical network and suitable for measuring a parameter representative of the positive sequence voltage and/or the negative sequence voltage at each respective sensor and analyzing means suitable for analyzing the signals coming from the different sensors representative of the positive sequence voltage and/or the negative sequence voltage at each respective sensor, by searching for an extremum from among the signals coming from the sensors and for locating a fault at the sensor corresponding to this extremum.

Abstract: The invention can be used for determining absolute movements of objects. The problem to be solved consists in increasing the accuracy of the measurement of movements of an object when obstacles are present in the trajectory of motion thereof by eliminating error accumulation in the positioning of signal sources.

Abstract: A method for determining a State of Health (SoH) of a power source of a portable device involves extracting a start voltage value of an examined power source; activating one or more hardware components of the portable device by a software, to increase the current consumption of the device, identifying a voltage drop rate of the examined power source and comparing a calculated voltage drop rate to pre-calculated threshold values stored on a database of a main server. A system for executing the method is also disclosed.

Abstract: The purpose of the present invention is to provide a device for controlling a dynamometer of a test system, wherein the device is capable of controlling shaft torque to a prescribed target torque while minimizing low-frequency-range resonance caused by viscous drag of a test piece. This test system is provided with a dynamometer joined to an engine via a coupling shaft, an inverter for supplying electric power to the dynamometer, a shaft torque meter for detecting the shaft torque produced in the coupling shaft, and a dynamometer-controlling device 6 for generating a torque-current command signal T2 that is sent to the inverter and is generated on the basis of a shaft torque detection signal T12 from the shaft torque meter.

Abstract: Systems and methods of measuring properties of water in a water distribution system are provided. An analysis system, according to one embodiment, comprises a plurality of water sensors connected at various points to the water distribution system, each of the plurality of water sensors configured to measure a property of water. The analysis system also includes a computer server configured to communicate with the plurality of water sensors via a network and receive water measurement data from the plurality of water sensors. The computer server comprises a processor, a database configured to store the water measurement data, and a system health monitoring module configured to evaluate the health of the water distribution system to obtain health data. The analysis system further includes at least one client device configured to communicate with the computer server via the network and receive the health data from the computer server.

Abstract: A sensor having a set of plates that are in contact from their bottom at the corners with a set of protrusions that are in contact from above with a plurality of intersections, each having a sensing element, of a grid of wires disposed on a base, and a top surface layer that is disposed atop the set of plates, so that force imparted from above onto the top surface layer is transmitted to the plates and thence to the protrusions, and thence to the intersections of the grid of wires which are thereby compressed between the base and protrusions; and that the protrusions above thereby focus the imparted force directly onto the intersections. A sensor includes a computer in communication with the grid which causes prompting signals to be sent to the grid and reconstructs a continuous position of force on the surface from interpolation based on data signals received from the grid. A method for sensing.

Abstract: Embodiments of present disclosure relates to method and system to accurate detection of partial visual fault in lidar sensor of moving vehicle. Initially, first line cluster data for static objects present within first predefined view of Lidar sensor is determined. Static objects are tracked until viewing angle of Lidar sensor for corresponding static object is 90°. The tracking is performed based on second line cluster data corresponding to first line cluster data for static objects present within second predefined view of Lidar sensor. During tracking, non-observation of second line cluster data corresponding to first line cluster data, for one or more static objects is detected. Angle of non-observation is determined for one or more static objects upon detection. Presence of partial visual fault for Lidar sensor is detected based on angle of non-observation, for notifying navigation system associated with moving vehicle.

Abstract: Systems and methods of measuring properties of water in a water distribution system are provided. An analysis system, according to one embodiment, comprises a plurality of water sensors connected at various points to the water distribution system, each of the plurality of water sensors configured to measure a property of water. The analysis system also includes a computer server configured to communicate with the plurality of water sensors via a network and receive water measurement data from the plurality of water sensors. The computer server comprises a processor, a database configured to store the water measurement data, and a system health monitoring module configured to evaluate the health of the water distribution system to obtain health data. The analysis system further includes at least one client device configured to communicate with the computer server via the network and receive the health data from the computer server.

Abstract: A mechanical diagnosis method for combustion abnormality using engine noise includes: calculating an Energy K and a Loudness standard deviation index (NSTD) with Kurtosis analysis by a diagnosis controller 30 from noise data measured together with a signal component by rotation excitation of an engine 10; calculating a plurality of order frequency peak order component values by a Modulation Frequency Transform; and distinguishing a cylinder where abnormal combustion occurs from a cylinder where normal combustion occurs by applying a predetermined threshold to these calculated values, thereby classifying, by Modulation Frequency analysis, problem samples of the rotation excitation and combustion excitation influence of the engine in which the abnormality state determination of the engine has been difficult only with energy distribution while overcoming the limitation of Kurtosis analysis.

Abstract: An electronic device monitors accelerations using a motion sensor. The electronic device determines a current motion state based on the accelerations. The electronic device identifies a plurality of applications that subscribe to a motion state identification service and notifies a subset of the applications of the current motion state, the subset meeting notification criteria associated with the current motion state.

Abstract: A method is disclosed comprising: determining at least one relative altitude information based, at least in part, on at least one pressure information, wherein the at least one relative altitude information is indicative of a relative value of an altitude, determining at least one absolute altitude information associated with a data element of a database comprising map data, wherein the at least one absolute altitude information is indicative of an absolute value of an altitude, determining an estimation information based, at least in part, on the determined relative altitude information and, at least in part, on the determined absolute altitude information, wherein the estimation information represents an absolute value of an altitude. It is further disclosed an according apparatus, computer program and system.

Abstract: When a battery voltage of a battery cell is high, it takes time for a detected voltage to drop to a fixed threshold. Therefore, an ON control of a switch element takes long time to detect a disconnection state reliably. A battery monitoring system includes: a monitoring circuit corresponding to an assembled battery having a plurality of battery cells and which monitors states of the battery cells; voltage detection lines which are provided corresponding to the battery cells and which connect the battery cells with the monitoring circuit; and switch elements which are provided between the voltage detection lines and which adjust voltages of the battery cells, the battery monitoring system compares battery voltages of the adjacent battery cells with a varying threshold determined based on a voltage just before checking a disconnection state and detects disconnection states of the voltage detection lines according to the comparison result.

Abstract: An ultrasonic flow meter is disclosed, including a switching unit for switching electrical transmission signals between a signal generator and at least two ultrasonic transducers and for switching electrical reception signal between the transducers and a receiver circuit, wherein the switching unit is coupled to an output terminal of an operational amplifier of the signal generator and to an inverting input terminal of an operational amplifier of the receiver circuit. Furthermore, a method for characterizing an ultrasonic transducer is disclosed, including the step of determining directly from one or more supply current signals for an active component of a signal generator one or more quantities useful for characterizing the transducer. Furthermore, a method for determining the time delay of an ultrasonic signal in a flow path of an ultrasonic flow meter is disclosed, including the step of comparing physically transmitted, delayed and received signals with simulated non-delayed signals.

Abstract: An electronic device includes at least one sensor configured to collect sensing data, a memory configured to store the sensing data, and a processor. The processor is configured to acquire first sensing data through the at least one sensor and determine a falling pattern of the electronic device based on the first sensing data, acquire second sensing data through the at least one sensor and determine a collision pattern according to falling of the electronic device based on the second sensing data, determine the type of object with which the electronic device collides based on the falling pattern and the collision pattern, and perform a preset function based on the type of the object.

Abstract: System and methods for optimizing flow distribution across multiple production zones are provided. A flow distribution is assigned to a plurality of production zones along a wellbore within a formation. A temperature value is estimated for each of the production zones, based on the assigned flow distribution. The estimated temperature value is compared with an actual temperature value determined for each production zone. An error amount for the estimated temperature value is calculated based on the comparison. Based on the error amount, it is determined whether or not the flow distribution has reached a global optimum. The assigning, the estimating, the comparing, the calculating, and the determining are repeated until it is determined that the flow distribution assigned to the plurality of production zones has reached the global optimum.

Abstract: A flow sensor apparatus for monitoring a directed stream of an agricultural product from an application port of a supply tube. The directed stream has a target directed portion and an off-target portion. A sensor housing includes a conical flow receiving element and a sensor body. The receiving element has an inlet orifice at a first end and a receiving element outlet at a second end. The first end is smaller than the second end. The sensor body has a sensor inlet end positioned to receive a target directed portion of the directed stream from the receiving element outlet of the conical flow receiving element wherein an off-target portion of the directed stream is not sensed. The sensor housing and sensor element are positioned external to the application port and thus positioned to provide measurement, targeting, and timing of the agricultural product.

Abstract: A method for determining a period in a vehicle using several time sources.