Abstract: Methods, apparatus, and systems directed to calibrating a magnetometer. Among such are methods that use only the horizontal components of magnetometer measurements. Then, planar calibrated magnetic field output measurements can be used in sensor fusion with data from gyroscope(s) and accelerometer(s). In other embodiments, heading information from the planar calibrated magnetic field is fused with the heading calculated from gyroscope integration.

Abstract: A method of estimating a maximum specific capacity of a composite electrode includes generating open circuit potential (OCP) crossover characteristics of the composite electrode comprising silicon and natural graphite, determining a composite electrode lithiation limit of the composite electrode based on a silicon lithiation limit of the silicon, predicting a composite electrode composition of the composite electrode based on the composite electrode lithiation limit, and estimating the maximum specific capacity of the composite electrode based on the composite electrode composition.

Abstract: The present invention provides a method for evaluating a synthetic aptitude of a compound, a program for evaluating a synthetic aptitude of a compound, and a device for evaluating a synthetic aptitude of a compound, which evaluate a synthetic aptitude of a compound generated and/or modified on a computer.

Abstract: An apparatus for diagnosing a state of a battery according to an embodiment of the present disclosure includes: a charging and discharging assembly for charging or discharging a battery module; a measurer for measuring a current of the battery module at every predetermined period during a cycle in which the battery module is charged or discharged; and a controller for receiving a measurement value for the current of the battery module from the measuring unit, estimating a state of charge (SOC) of the battery module during the cycle based on the received measurement value, calculating a change rate of the estimated SOC, and determining whether a defect occurs in the battery module based on a comparison result between the calculated change rate of the SOC and a preset reference change rate.

Abstract: The disclosure relates to a life prediction system for a fan of a lamp. The system comprises a fan signal detecting module to detect at least one working parameter of the fan; and a micro control unit to receive the working current signal, the environment temperature signal and the working rotation speed signal of the fan. The detecting module comprises a current detecting unit to detect a working current of the fan and output a working current signal; a temperature detecting unit to detect a working environment temperature of the fan and output an environment temperature signal; and a rotation speed detecting unit to detect and output a working rotation speed signal of the fan. The micro control unit calculates a predicted residual life of the fan based on the received working current signal, the environment temperature signal, the working rotation speed signal, through the life model of the fan.

Abstract: An electric powered work machine in one aspect of the present disclosure includes a motor, a tool driver, a command receiver, a diagnosis circuit, and a result transmitter. The diagnosis circuit executes a failure diagnosis of the electric powered work machine in response to the command receiver receiving a diagnosis command signal from a diagnosis device. The result transmitter transmits a diagnosis result signal to the diagnosis device. The diagnosis result signal indicates a result of the failure diagnosis that is executed by the diagnosis circuit.

Abstract: System, methods, and other embodiments described herein relate to an improved camera system including directional optics to estimate depth of grayscale images. In one embodiment, the camera system includes a lens that receives light associated with a scene and an inverter that inverts the light from the lens. The camera system also includes a metasurface that resolves an angle of the light from the inverter according to parameters of the metasurface. The camera system also includes a detector that senses the light from the metasurface to form image data by integrating intensity of the light per pixel to estimate depth of an object in the scene.

Abstract: A system, device and method of calibrating a sensor determine a sensor vector associated with a subject; process the sensor vector; determine a sensor elevation angle as a prediction of the subject's body elevation from a result of processing the sensor vector; and perform calibration using the sensor vector, sensor elevation angle, and a gravity vector.

Abstract: A method for ranking analytes includes the steps of analyzing an experimental analyte in a mass spectrometer. The method includes comparing the experimental analyte to a plurality of candidate analytes in a library hit list, and assigning a cumulative confidence score to each candidate analyte based on the steps of comparing the experimental analyte to the candidate analytes based on a library similarity score, comparing the experimental analyte to the candidate analytes based on of a presence of the most abundant isotope of a molecular ion and its mass, comparing the experimental analyte to the candidate analytes based on an abundance of fragment ions and a mass of the fragment ions, and, in some implementations, comparing the experimental analyte to the candidate analytes based on a retention index value. The method includes ranking the candidate analytes based on the cumulative confidence score of each candidate analyte.

Abstract: Apparatus for implementing a data processing pipeline for machine condition monitoring and other applications is provided. The apparatus comprises data processing modules communicatively coupled in series, including plug-in modules configured to receive input data, and produce output data, at least some of which is used by at least one downstream improvement system to carry out remedial actions. The apparatus also comprises a data access layer configured to receive data and make it available in a unified data format to downstream data processing modules and the at least one downstream improvement system. The data access layer comprises an enterprise service bus, and a data unification processor to convert the input data to unified data objects and make these accessible to the plug-in modules and the at least one downstream improvement system via the bus.

Abstract: A method of estimating a battery current limit for operation of a battery cell over the course of a specified prediction time. The method includes generating a plurality of current limit estimations by means of a plurality of current limit estimation sub-methods, wherein at least one current limit estimation sub-method generates its current limit estimation based on an RC equivalent circuit model of the battery cell, and determining the charge current limit by finding the lowest magnitude current limit estimation in the plurality of current limit estimations. At least one parameter of the RC equivalent circuit model is set based on the specified prediction time and at least one variable from the set of: a state of charge (SOC) of the battery cell, a temperature of the battery cell, a state of health (SOH) of the battery cell, a capacity of the battery cell, and a current of the battery cell.

Abstract: A measurement apparatus of a power storage device supplies constant current to the power storage device, measures voltage of the power storage device, and computes an internal state of the power storage device on the basis of voltage change in the power storage device subjected to the measurement.

Abstract: Biochemical carriers are provided. Each of the biochemical carriers includes: biochemical molecules having a sequence into which digital data information is encoded; a carrier particle composed of a polymer matrix and in which the biochemical molecules are connected to the surface or inside of the polymer matrix; and an index code introduced into the carrier particle. Also provided is a method for fabricating biochemical carriers. The fabrication method includes: encoding digital data into a sequence of biochemical molecules; synthesizing the biochemical molecules based on the encoded sequence; mixing the biochemical molecules with a photocurable material; curing the mixture to obtain carrier particles including a polymer matrix; and introducing an index code into the carrier particles simultaneously with or separately from the curing. Also provided is a method for restoring digital data from the biochemical carrier.

Abstract: In one aspect, a computer-implemented method may include receiving charge cycle data pertaining to a battery pack. The method may include determining, based on the charge cycle data, whether a noise level of a battery management system exceeds a first threshold. In response to determining the noise level exceeds the first threshold, the method may include determining an initial state of charge of the battery pack using coulomb counting by reversing the charge cycle data. In response to determining the noise level does not exceed the first threshold, the method may include determining whether a rest time before charge cycle exceeds a second threshold. In response to determining the rest time before charge cycle does not exceed the second threshold, the method may include determining the initial state of charge of the battery pack using coulomb counting by reversing the charge cycle data.

Abstract: A damage estimation device includes an acquisition unit that acquires a temperature change amount in a period during which an inflow air temperature rises and a period length, a distortion amount derivation unit that derives a distortion amount of a cooling device in the above period, based on the temperature change amount, and a damage value derivation unit that derives an accumulated damage value by integrating a value depending on the distortion amount. When the period length is shorter than a period length determination value, the distortion amount derivation unit derives a larger value as the distortion amount than when the period length is equal to or longer than the period length determination value.

Abstract: Disclosed are a method and system for intelligent source tracing of organic pollution of a water body, which belongs to the technical field of environmental analytical chemistry. The method comprises: acquiring organic matter analysis and detection data from water samples of a polluted water body through high performance liquid chromatography-tandem mass spectrometry; performing high-throughput screening on the organic matter in the water samples according to said data to determine pollutants; identifying pollution sources by means of network analysis according to the determined pollutants; and according to the identified pollution sources and the organic pollutants, determining key pollutants and quantifying the pollution contributions thereof by using a machine learning classification model.

Abstract: The embodiments of the present disclosure provide method and Internet of Things (IoT) systems for predicting maintenance materials of a smart gas pipeline network. The method may be implemented based on a smart gas safety management platform of an Internet of Things (IoT) system for predicting maintenance materials of a smart gas pipeline network. The method may comprise: obtaining a pipeline network feature of a gas pipeline network; predicting fault probabilities of one or more point positions of the gas pipeline network based on the pipeline network feature, the fault probabilities including probabilities of one or more preset fault types of faults occurring at the point positions; and determining demand for the maintenance materials based on the fault probabilities of the one or more point positions.

Abstract: A method measures a given object using a coordinate measuring machine (CMM) having a measurement space. As such, the method determines one or more portions of the given object to be measured and then forms a virtual 3D movement model representing CMM movement required to measure the one or more portions. The method then uses the 3D movement model to virtually position and orient the given object within the CMM measurement space.

Abstract: A system and method for measuring the greenhouse gas emitting activities of a user is described. Data for different sources of greenhouse gas emitting user activities, including electricity usage, motor vehicle usage, food consumption, and flight usage, are gathered, normalized, weighted, and presented. The system and method include providing the user with feedback regarding these activities and rewarding the user for changing these activities to thereby reduce their greenhouse gas emissions.

Abstract: There is provided an apparatus for diagnosing whether or not an error has occurred in battery cells, the apparatus including a voltage measurement circuit for measuring a voltage of a battery cell, a data processing circuit for calculating a target statistical value indicating a state of the battery cell based on a voltage measured by the voltage measurement circuit, and calculates a cumulative statistical value, and a diagnosis circuit that determines whether or not an error has occurred in the battery cell through a cumulative determination operation of comparing the cumulative statistical value with a cumulative reference value, and counts a number of times of cumulative error when it is determined that the error has occurred in the battery cell in the cumulative determination operation.