Abstract: A photovoltaic system can include multiple photovoltaic power inverters that convert sunlight to power. An amount of power for each of the inverters can be measured over a period of time. These measurements, along with other data, can be collected. The collected measurements can be used to generate artificial neural networks that predict the output of each inverter based on input parameters. Using these neural networks, the total solar power generation forecast for the photovoltaic system can be predicted.

Abstract: A drilling system includes a drill string, a plurality of sensors, and a computing system. The drill string includes a downhole motor. The sensors are coupled to the drill string. The computing system is coupled to the sensors. The computing system is configured to compute, based on measurements provided by the sensors, a motor stall index, and to determine, by comparing the motor stall index to a motor stall threshold, whether the downhole motor has stalled. The computing system is also configured to, responsive to a determination that the downhole motor has stalled, adjust operation of the drill string to restart the downhole motor.

Abstract: A method is provided for realigning or relieving mechanical stress in a spacecraft frame. The process includes providing a spacecraft which includes at least two frame subsections connected by a mechanical connector. The mechanical connector provides both a soft dock connection which mechanically connects the two frame subsections but allows relative movement between the two frame sections and a hard dock connection which mechanically connects the two frame subsections but does not allow relative movement between the two frame sections. Once in space, a controller causes the mechanical connector to transition from a hard dock connection to a soft dock connection, which is maintained for a predetermined time period to realign or relieve stress within the spacecraft frame. Thereafter, the controller causes the mechanical connector to transition from the soft dock connection back to the hard dock connection.

Abstract: A device is provided for use with a database having stored therein, a plurality of signatures corresponding to a plurality of fields, respectively, wherein the plurality of fields correspond to a plurality of locations, respectively. The device includes an accessing component, a field-detecting component, a comparing component and an identifying component. The accessing component can access one of the plurality of signatures from the database. The field-detecting component can detect a first field based on a first location and can generate a detected field signature based on the detected first field. The comparing component can generate a comparison signal based on a comparison of the detected field signature and one of the plurality of signatures. The identifying component can identify the first location based on the comparison signal.

Abstract: A method for determining spatial information for a multi-segment articulated rigid body system having at least an anchored segment and a non-anchored segment coupled to the anchored segment, each segment in the multi-segment articulated rigid body system representing a respective body part of a user, the method comprising: obtaining signals recorded by a first autonomous movement sensor coupled to a body part of the user represented by the non-anchored segment; providing the obtained signals as input to a trained statistical model and obtaining corresponding output of the trained statistical model; and determining, based on the corresponding output of the trained statistical model, spatial information for at least the non-anchored segment of the multi-segment articulated rigid body system.

Abstract: In a method for determining a position, in particular of a vehicle, a first position determination entity is defined as the active position determination entity. The position determined by the active position determination entity is output as the currently determined position. A further position determination entity is started and determines a position on the basis of the received sensor data. If the further position determination entity has reached a stable status, it is defined as the active position determination entity.

Abstract: The present disclosure provides a method, an apparatus, and a computing device for determining dissemination heat degree of information. The method for determining dissemination heat degree of information includes analyzing N levels of sharing data of specific network information to determine parameters related to each sharing level of the specific network information, where N is a natural number greater than 1; and calculating a dissemination heat degree S of the specific network information based on the parameters related to the sharing of the specific network information. The dissemination heat degree obtained according to the disclosed method, apparatus, and computing device can be used to predict the popular level of the specific network information during the subsequent dissemination process.

Abstract: There is provided an information processing device including a control unit that determines reliability of positioning information of a user calculated on a basis of sensed information output from a sensing unit built in a portable information processing device. According to the present disclosure, it is possible to determine the reliability of positioning information. Note that the effects described above are not necessarily limitative. With or in the place of the above effects, there may be achieved any one of the effects described in this specification or other effects that may be grasped from this specification.

Abstract: Described herein are methods and systems for clustering events in temporal signals, such as physiological signals. In some embodiments, a method for identifying events of interest from noisy physiological signal data is provided, the method comprising: receiving physiological signal data; generating filtered signal using a filter defined by a spectral band; generating signal peak data by identifying, for each of a plurality of time windows, a signal peak in the filtered data; grouping waveforms corresponding to the time windows based on the signal peak data to generate clustered event data; determining parameters for a noise beta distribution; identifying a cluster of waveforms that does not fall within the noise beta distribution; generating a graphical representation based on the waveforms in the cluster; and displaying the graphical representation.

Abstract: A device intended to be installed in an aircraft, the device being adapted for functioning in a first so-called “on the ground” operating mode or a second so-called “in flight” operating mode, the device includes a radio module compliant with a low power wide area network standard adapted for sending messages comprising data issuing from a sensor and supplied by an energy storage element, the device being adapted for: (1) in the first operating mode: before the sending of each message, charging the energy storage element with a predefined energy, and (2) in the second operating mode: for each message to be sent, choosing a transmission power, determining, according to this transmission power, an energy necessary for the sending of the message by the radio module, and before the sending of the message, charging the energy storage element with the necessary energy determined.

Abstract: Methods and systems are described for detecting a wide variety of fault conditions in a HVAC system based on analysis of current and historical energy consumption patterns, and on comparison with energy consumption patterns of other similarly situated RTUs. Energy consumption comparisons are preferably made in regard to a normalized load ratio or NLR or more preferably to a daily maximum normalized load ratio or MDNLR, which provide more robust and reliable bases for comparison of faulty and fault-free RTUs, and hence for generalized fault detection, than other previously known metrics or criteria.

Abstract: Certain implementations of the disclosed technology may include systems and methods for extending a frequency response of a transducer. A method is provided that can include receiving a measurement signal from a transducer, wherein the measurement signal includes distortion due to a resonant frequency of the transducer. The method includes applying a complementary filter to the measurement signal to produce a compensated signal, wherein applying the complementary filter reduces the distortion to less than about +/?1 dB for frequencies ranging from about zero to about 60% or greater of the resonant frequency. The method further includes outputting the compensated signal.

Abstract: A unit that houses tracking electronics configured to be passed through a duct while the tracking electronics collect position information is provided. The information collected by the unit is used to map the duct. A method of mapping a duct is also provided.

Abstract: An embodiment of a method of performing aspects of a downhole operation includes receiving a measurement value from a first sensor configured to measure a parameter related to the downhole operation, receiving measurement data from a different sensor, the measurement data related to the downhole operation, and performing, by a sensor evaluation module, an evaluation of the first sensor. The evaluation includes determining a condition of the first sensor based on the measurement data from the different sensor, selecting a rule that prescribes a set of one or more measurement values of the parameter that are plausible if the condition is met, and determining whether the measurement value from the first sensor is plausible based on comparing the measurement value to the prescribed set of one or more measurement values.

Abstract: Process for measuring emission for a flame in an open combustion environment. A captured image is received from each of a plurality of image capturing devices in at least one selected spectral band. Each of the plurality of image capturing devices is trained on the flame from the combustion process from a different perspective view angle. A spectral path length of the flame in the at least one spectral band is estimated from the captured images. Emitted radiance of the flame is estimated from the captured images, and a temperature of the flame is estimated from the estimated emitted radiance. A gas species concentration of the flame is estimated from the temperature of the flame and the spectral path length of the flame. Emission for the flame is measured from the gas species concentration.

Abstract: A system and method for online estimate of the filling level of balls and loading level in a rotary mills, comprising a set of vibration sensors unit, associated with a magnet to transmit data signals via an antenna to a receiver that receives data signals from the antenna, an antenna, wherein the receiver is connected via optical fiber to a signal processor, which in turn communicates to a control server via a UTP cable, wherein the control server also obtains data from the mill operation to determine the best filling of balls and load; and the operating method.

Abstract: Methods and apparatuses to assign faults to nets in an integrated circuit (IC) are described. Each net comprises a drive pin, a set of load pins, and a fan-out structure that electrically couples the drive pin to the set of load pins. During operation, a fan-out structure of a net can be partitioned into a set of non-overlapping subnets and a set of branch nodes, wherein each branch node electrically couples three or more non-overlapping subnets. Next, each branch node can be represented by using a subnet primitive, wherein each subnet primitive comprises three or more pins that are electrically coupled to non-overlapping subnets that are electrically coupled by the branch node. A fault can then be assigned to a pin of a subnet primitive that is electrically coupled to a non-overlapping subnet, thereby modeling the fault in the non-overlapping subnet.

Abstract: The present disclosure relates to methods and apparatus for identifying metabolic pathways and metabolites in complex biological samples. In particular, the present disclosure relates to a method and apparatus to increase the confidence of metabolite identification in metabolomics, such as in untargeted metabolomics data, using various statistical tools, such as over representation and enrichment analysis.

Abstract: The present disclosure pertains to detection of anomalous conditions in a variety of types of systems. In one embodiment, a system may be configured to identify anomalous conditions in a stream of measurements. The system may include a communications interface configured to receive a stream of measurements. An archive subsystem may maintain a data archive comprising a statistical representation of the stream of measurements. A pre-processing subsystem may divide the stream of measurements into a plurality of data windows. The plurality of data windows may be analyzed by an analysis subsystem configured to generate a plurality of normalized representations based on the data archive. The plurality of normalized representations may be grouped into a plurality of ranges. An anomaly detection subsystem may perform a comparison of the plurality of normalized representations to at least one threshold and may determine that the comparison indicates an anomalous condition.

Abstract: A device forming a stackable container that can be used to transport products includes a portion forming a crate defining a base and four side walls and a top wall, secured to one another in a sealed manner, made mainly of a plastic material; a door for sealingly closing the crate, forming with the crate, when closed onto same, a sealed box; a system for drawing and compressing gases contained in the closed box; and at least one tight casing for storing the drawn and compressed gases, rigidly connect to the box and forming a bracing frame during transport and a flotation buoy when the container is immersed in water.