Abstract: A method, computer system, and a computer program product for predictive maintenance is provided. The present invention may include recording, using an autonomous robot moving along a surface through a plurality of positions in a room, a plurality of data associated with an under-floor appliance provided beneath the surface of the room. The present invention may also include calculating, based on the recorded plurality of data associated with the under-floor appliance provided beneath the surface of the room, a material composition associated with the plurality of positions in the room. The present invention may further include generating, based on the calculated material composition associated with the plurality of positions in the room, a layout diagram for visualizing a layout of the under-floor appliance provided beneath the surface of the room.

Abstract: A device for use on a numerically controlled machine tool for application in a method for measuring the numerically controlled machine tool, including: a first measuring element for measuring via a measuring apparatus, a second measuring element for measuring via the measuring apparatus, a spacer element on which the first measuring element and the second measuring element are arranged spaced from each other, and at least one fastening portion for fastening the device to a machine part of the machine tool.

Abstract: In various embodiments, a graphical plotter can create a transformation circle. An identification component can identify a center point, a radius from the center point, and a circular outer point set extended from the center point by the radius. A creation component can create a plot based, at least in part, on the center point, the radius, and the circular outer point set. An output component can cause the plot to be outputted, where the circular outer point set is dependent on trigonometry of an angle set from an x-axis pertaining to the center point and the radius.

Abstract: A power distribution system configured as a radial network includes buses having respective voltages, and distribution lines having respective currents. The radial network interconnects the buses with the distribution lines in a tree-like manner. A bus has a link to at least two distribution lines. The bus voltages and distribution line currents are determined by a processing circuitry configured to receive a Branch Matrix (BM) iteratively determine currents for the distribution lines and voltages for each of the buses until a difference is below a predetermined tolerance, and output final bus voltages and final distribution line currents. The circuitry iteratively determines the currents by determining a current matrix (CM) using the BM, and by determining the currents for the plurality of distribution lines in a zig zag manner over the matrix elements in the CM. The system finds a solution using fewer iterations than the backward forward sweep method.

Abstract: A generator control computer device for operating at least one generator attached to a grid is provided. The generator control computer device includes at least one processor in communication with at least one memory device. The generator control computer device is configured to receive, from at least one sensor, a plurality of sensor readings representing one or more conditions of the at least one generator, calculate a current grid impedance of the grid based on the plurality of sensor readings, determine a steady state stability limit for the at least one generator based on the current grid impedance, and adjust operation of the at least one generator based on the determined steady state stability limit.

Abstract: A terminal device, a method for monitoring battery safety of a terminal device, and a system for monitoring battery safety of a terminal device are provided. The method for monitoring battery safety includes the following steps. A voltage of a battery of the terminal device is acquired in real time, and temperature of each area of a battery surface of the battery is acquired in real time, where the battery surface is divided into multiple areas. Whether a sudden change in voltage has occurred to the battery is determined according to the voltage of the battery acquired in real time, and whether the battery surface has an abnormal temperature area is determined according to the temperature of each area. Upon determining that the sudden change in voltage has occurred to the battery and the battery surface has the abnormal temperature area, the battery is determined to be currently abnormal.

Abstract: A monitoring device of a main spindle rotation speed in a machine tool displays a variation state of the rotation speed by a rotation speed variation unit using a display unit in the machine tool. The monitoring device includes a drawing unit, a variation position display unit, and a reduction effect index display unit. The drawing unit is configured to display a variation diagram that illustrates a relationship between a variation amplitude and a variation cycle of the rotation speed. The reduction effect index display unit is configured to display a reduction effect index on the variation diagram. The reduction effect index represents a reduction effect of chatter vibration. The reduction effect index is calculated based on a speed ratio that is a ratio of a rotation speed of one rotation before to a rotation speed at an identical rotation position of the main spindle at any given timing.

Abstract: The present invention relates to a method for selecting alternative solvents having properties similar to those of the conventionally used solvents. By simplifying the solvent selection process, it is possible to save time, effort, and resources to be consumed by complicated experiments, and the suitable solvents can be quickly selected and applied.

Abstract: A status monitoring apparatus includes information obtaining means to obtain detected information items that are continuously detected; image data generating means to partition the detected information items by frames at predetermined time intervals, and configured to generate, for each frame, two-dimensional image data representing a distribution of detected information items in the frame, with an axis of abscissa being a time axis and an axis of ordinate being an axis showing a value/amount of the detected information items; and status detecting means to perform a machine learning based on the two-dimensional image data generated by the image data generating means to generate a correct label for judging whether the two-dimensional image data show at least a warning sign of failure, and to judge that at least a warning sign of failure has occurred in the detected information items, when the two-dimensional image data corresponding to the correct label are generated.

Abstract: A method of estimating the residual energy of a battery. The method comprises determining the battery's state of charge (SOC) and dischargeable capacity to determine the battery's state of energy (SOE), determining the battery's reference dischargeable energy (Eref) and total dischargeable energy (Etot), and comparing the state of energy to the total dischargeable energy to find the residual energy of the battery. The various functions of the method use battery current, cell temperature, and state of health (SOH) as variables for consideration.

Abstract: Methodologies related to sky exposure and solar radiation for forms of life are presented, including sky exposure, solar radiation, forms of life potential, forms of life care, solar calibration, recommendations for associated products and services, greenprints, and related concepts. These may be achieved in part by capturing sky exposure data, evaluating sky exposure data, classifying sky exposure data, assessing solar radiation values, evaluating forms of life, and classifying form of life suitability.

Abstract: A system, method and computer readable medium for classifying defects, the method comprising: receiving classified first defects, and potential defects, each first and potential defect having values for attributes; processing the first and potential defects to select a subset of the attributes that differentiates the first defects from the potential defects; obtaining first and second functions based on the first defects and potential defects, respectively; obtaining a first threshold for the first function, and a second threshold for a combination of the first and second functions; applying the first function and the second function to each potential defect to obtain first and second scores, respectively; and determining a combined score of the first and second scores; and indicating as a defect of a potentially new type a potential defect when the first score is lower than the first threshold or the combined score exceeds the second threshold.

Abstract: An article of apparel, such as a sock or a shoe, is disclosed as having a foot-supporting area for extending adjacent to a plantar surface of a foot. The foot-supporting area has various zones of differing thickness that attenuate forces upon the plantar surface to different degrees. The apparel may be manufactured through a process that includes utilizing a force mapping device to obtain data relating to forces upon the plantar surface of the foot. The sock is then formed to have zones of different thickness located to correspond with the areas of the plantar surface subjected to different magnitudes of forces.

Abstract: A method of determining a state or a state change of an electrochemical energy storage device that includes a housing composed of a multilayer composite film, wherein the housing includes a first housing part and a second housing part composed of the multilayer composite film, which parts are joined to one another, and together enclose a hollow space in which the composite is arranged, and the composite film includes a ply composed of a metal layer and also two plies composed of polymer, with the metal layer being arranged between the two polymer plies, wherein to determine the state or the state change, an electric potential is applied to the metal layers of the first housing part and the second housing part so that an electric field arises between the metal layers and an electrical parameter influenced by a change of a spacing between the metal layers is determined.

Abstract: A rapid detection method for the geometric accuracy of the linear motion axis of an NC machine tool, uses accelerometers to measure the acceleration perpendicular to the direction of motion when the linear motion axis moves at a uniform speed. Firstly, the measuring device is mounted on the linear motion axis, and the upper measurement system automatically performs multi-channel acquisition and storage of the motion point acceleration data. Then, filter the acceleration data at the different speeds. Finally, the displacement data is obtained by quadratic integration of the filtered acceleration data in the time domain. Then calculate the straightness of the linear motion axis using the End Point Fit method, and complete the rapid measurement of the straightness of the linear motion axis of the machine tool. This can realize the rapid measurement of the geometric accuracy of the linear motion axis of the machine tool.

Abstract: To control a power network having a photovoltaic system, a time curve of a light radiation of the photovoltaic system is determined, wherein an increase of the time curve in relation to a reference curve of the light radiation is detected. As a result of the detection of the increase, a preparatory measure is then introduced to prepare the power network for an upcoming power drop of the photovoltaic system.

Abstract: Systems and methods for monitoring and assessing road conditions are disclosed herein that receive raw data comprising information indicative of road conditions from various types of remote devices. The road condition data may be normalized based on the type of the remote device and the normalized road condition data may be stored. A road condition model may be generated based on the normalized road condition data and using the device location. The road condition model may be used to identify pothole locations, rate road segments, etc. The road condition model may apply various data set weightings and learning algorithms to present an accurate result. The road condition model may be optimized based on feedback from city personnel and other sources of information to determine the accuracy of the model outputs. The road condition model may also be trained to ensure accuracy.

Abstract: A storage and conveying utility that is mountable to elements of a vehicle roof rack is disclosed. The utility includes a carrier having first and second parallel elongated slots formed therein and different walls thereof for mounting at either one or both of vertical and/or horizontals elements. In its embodiment for use in water storage, dispensing and conveyance a heating assembly is attachable thereto at the slots. A removable insulating cover assembly is provided.

Abstract: A method for operating a component of predetermined geometry ? that is cyclically loaded during operation, wherein a probability of failure P is determined for the component taking account of distributions of failure times, which are caused by deviations in material properties, the component is operated depending on the determined probability of failure P, wherein at least one maintenance time is set for the component, in particular depending on the determined probability of failure P.

Abstract: A method and apparatus for controlling a tester, related medium and electronic device are provided. The apparatus includes a vibration data collector attached on a side wall of the tester to collect vibration data from the tester during operation thereof. The method includes: receiving the vibration data collected by the vibration data collector; comparing the vibration data with a predetermined threshold to generate a comparison result; and controlling an operating state of the tester based on the comparison result. This method may timely identify any instability of the tester and prompt for repair if necessary. It substantially reduces the time and material costs associated with a test, and thus reduces the non-chip-attributable defect rate.