Power System Patents (Class 703/18)
  • Patent number: 10733901
    Abstract: In example embodiments, there is provided a dynamic dispatcher simulator for an electrical power system. The dynamic dispatcher simulator can be operable to receive an input from a user identity during a run time, wherein the input represents a disturbance event indicative of a simulated disturbance to an electrical power system. Based on the input, a signal can be transmitted to a transient simulation engine component. The transient simulation engine component can output simulated phasor measurement unit data representative of the disturbance event to a wide area monitoring system that facilitates a display of alarms in response to the receipt of the simulated phasor measurement unit data. The dynamic dispatcher training simulator can also receive another input from the user during the run time, the second input being representative of a simulated condition related to the electrical power system.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: August 4, 2020
    Assignee: General Electric Technology GmbH
    Inventors: Robert Fairchild, Srinivasan Radhakrishnan, Manu Parashar, Jay Giri
  • Patent number: 10691190
    Abstract: The disclosed technology provides methods for performing a power delivery network analysis of the memory unit I/O power domain. The methods include performing a signal and power integrity analysis for a memory unit I/O power domain to extract characteristics of a current waveform, determining characteristics of an expected waveform based on a current response for the memory unit I/O power domain, and determining whether the characteristics of the current waveform and the characteristics of the expected waveform are within a tolerance limit. The method also includes various remedial operations and CPM regeneration which may iteratively occur until the waveform matches and final CPM is generated which is use for PDN analysis.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: June 23, 2020
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Nitin Kumar Chhabra, Pritesh Mahadev Pawaskar
  • Patent number: 10606236
    Abstract: A control parameter is adjusted without the need to operate a driver of a control target. A control device (10) includes a model identification unit (12), a parameter determination unit (132), a data evaluation unit (131) and an operation data calculation unit (133). The model identification unit (12) identifies a physical model of an operation of the control target. The operation data calculation unit (133) calculates operation data by using the physical model and the control parameter. The data evaluation unit (131) calculates an evaluation value by using normative data of the operation of the control target and the operation data. The parameter determination unit (132) determines the control parameter by using the evaluation value.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: March 31, 2020
    Assignee: OMRON Corporation
    Inventors: Masahiro Murai, Yukio Iname
  • Patent number: 10607426
    Abstract: Systems and methods for the configuration of service policies for aircraft fleets and gas turbine engines are disclosed. One or more engine performance profiles may be generated based on historical engine performance data. The historical engine performance data may be retrieved based on one or more engine service parameters. A fleet performance profile may be generated based on the engine performance profiles. The engine service parameters may be varied to generate a configured engine performance profile. A configured fleet performance profile may be generated based on the configured engine performance profile.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: March 31, 2020
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Thomas A. Frewen, Hala Mostafa, Ozgur Erdinc, Draguna Vrabie, Mei Chen
  • Patent number: 10601217
    Abstract: In certain aspects of the disclosure, a chip includes an isolation device, wherein the isolation device is configured to allow a signal to pass from a first circuit in a first power domain to a second circuit in a second power domain via a signal line that crosses between the first and second power domains when the isolation device is disabled, and to clamp a portion of the signal line in the second power domain to a logic state when the isolation device is enabled. The chip also includes a failure detector configured to detect an imminent power failure of at least one of the first power domain or the second power domain, and to enable the isolation device in response to detection of the imminent power failure.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: March 24, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Michael Kevin Batenburg, Vincent Pierre Le Roy, Praveen Kumar Origanti
  • Patent number: 10564992
    Abstract: A simulation apparatus includes a memory, and a second processor configured to detect an internal state of the first processor in the operation simulation, when a target block in the operation simulation changes, the target block being included in blocks obtained by dividing code of the program, generate association information in which the internal state detected by the detecting section and performance values of instructions included in the target block in the detected internal state are associated with each other, and execute an execution code that allows a performance value when the first processor executes the target block to be calculated based on the association information, by using the internal state detected and the association information generated for the target block, to thereby calculate a performance value when the first processor executes the target block.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: February 18, 2020
    Assignee: FUJITSU LIMITED
    Inventors: David Thach, Atsushi Ike
  • Patent number: 10559977
    Abstract: A microgrid according to an exemplary aspect of the present disclosure includes, among other things, a plurality of intelligent electronic devices configured to communicate directly with one another in a first language. Each of the intelligent electronic devices includes a controller and a gateway. The gateway is configured to convert incoming messages from the first language to a second language native to the controller. The first language is different than the second language. A method is also disclosed.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: February 11, 2020
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Moon C. Kim, Kaiyu Wang, Stella M. Oggianu, Robert K. Thornton, Yiqing Lin
  • Patent number: 10530184
    Abstract: This disclosure involves verifying that a power network model corresponds to an electric power network providing electrical power in a geographical area. For instance, a validation device computes a validation score for a power network model based on a connectivity score, an asset score, and a power-flow score. The connectivity score indicates connectivity errors in the power network model as compared to the power network. The asset score indicates power-delivery errors in the power network model with respect to power-consuming assets serviced by the power network. The power-flow score indicates power-flow calculation errors in the power network model with respect to voltage ranges for the power network. The validation score is repeatedly computed for iteratively updated versions of the power network model until a threshold validation score is obtained. The validated power network model is provided to a control system for identifying and correcting errors in the power network.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: January 7, 2020
    Assignee: Landis+Gyr Innovations, Inc.
    Inventor: Quang Binh Dam
  • Patent number: 10521550
    Abstract: In planning and engineering an automation solution which comprises an automation system and a process engineering plant, objects that represent the components of the configured automation solution are imported by means of a simulation tool to simulate the automation solution on the basis of simulation models associated with the imported objects. Attributes contained in objects which represent the hardware components of the automation system and which describe IT security events that may be generated by the components are entered into the associated simulation models for simulatively generating security events in a simulation of the automation solution, for transferring the simulatively generated security events to a Security Information Event Management (SIEM) system for evaluation, and for using the results of the evaluation generated by the SIEM system to simulate the automation solution.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: December 31, 2019
    Assignee: Siemens Aktiengesellschaft
    Inventors: Oliver Drumm, Benjamin Lutz, Anna Palmin, Gerrit Wolf
  • Patent number: 10516269
    Abstract: An example device includes a processor configured to receive a plurality of voltage values corresponding to voltage nodes in a first portion of a power system and determine, for each voltage node, a respective value of first and second voltage-constraint coefficients. The processor is also configured to receive a power value corresponding to a connection point of the first portion of the power system with a second portion of the power system and determine for the connection point, a respective value of first and second power-constraint coefficients. The processor is also configured to cause at least one energy resource connected to the first portion of the power system to modify an output power of the at least one energy resource based on the value of the first and second voltage-constraint coefficients for each voltage node and the value of the first and second power-constraint coefficients.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: December 24, 2019
    Assignees: Alliance for Sustainable Energy, LLC, Université catholique de Louvain
    Inventors: Emiliano Dall'Anese, Andrey Bernstein, Andrea Simonetto
  • Patent number: 10514407
    Abstract: A distributed test method applicable to a system-level test of intelligent high voltage equipment. The method includes: firstly, carrying out unified modeling on test equipment behaviors according to test requirements, and generating a general test case for ensuring accuracy and coordination of test behaviors and test time sequences under various work conditions; then, extracting, according to a feature element of role defining, sequence states of same roles from the general test case, and recombining the sequence states according to an execution sequence so as to form test sub-cases of the roles; finally, executing, by each piece of test equipment, corresponding test sub-cases to achieve cooperative linkage by means of information interaction, so as to accomplish entire process simulation of the test conditions.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: December 24, 2019
    Assignees: XJ GROUP CORPORATION, XJ ELECTRIC CO., LTD., XUCHANG XJ SOFTWARE TECHNOLOGY CO., LTD., STATE GRID CORPORATION OF CHINA
    Inventors: Guanghui Lu, Shuibin Zhou, Xiaoshi Kou, Qiang Gao, Manling Dong, Guohui Zeng, Mingchao Yong, Jiqing Mu, Wusheng Lan, Weijie Wang, Lei Chen
  • Patent number: 10509886
    Abstract: A method performed by at least one processor includes: accessing a layout of an integrated circuit (IC), the layout comprising a resistor-capacitor (RC) netlist comprising a plurality of circuit nodes; identifying an RC network in the RC netlist; determining a characterization matrix corresponding to the RC network; updating the RC netlist by replacing the RC network with the characterization matrix; and calculating voltages and currents of the plurality of circuit nodes based on the updated RC netlist.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: December 17, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Chin-Shen Lin, Meng-Xiang Lee, Kuo-Nan Yang, Chung-Hsing Wang
  • Patent number: 10505853
    Abstract: Systems and methods for integrating ultra-fast programmable networks in microgrid are disclosed to provide flexible and easy-to-manage communication solutions, thus enabling resilient microgrid operations in face of various cyber and physical disturbances. The system is configured to establish a novel software-defined networking (SDN) based communication architecture which abstracts the network infrastructure from the upper-level applications to significantly expedite the development of microgrid applications, develop three functions of the SDN controller for microgrid emergency operations, including time delay guarantee, failover reconfiguration and rate limit and create a hardware-in-the-loop cyber-physical platform for evaluating and validating the performance of the presented architecture and control techniques.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: December 10, 2019
    Assignee: University of Connecticut
    Inventors: Peng Zhang, Bing Wang, Peter B. Luh, Lingyu Ren, Yanyuan Qin
  • Patent number: 10466761
    Abstract: A system for monitoring a power system and controlling an operation is provided. The system includes: a process setting unit receiving a process modeling file from a user and setting, as a process setting model, a process modeling file on which process verification is completed; a process verification unit performing the verification of preset process modeling items on the process modeling files received from the user; and a data storage unit storing file information for the operation of a system, the process modeling file, process modeling verification results, and the process setting file.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: November 5, 2019
    Assignee: LSIS CO., LTD.
    Inventor: Jong Kab Kwak
  • Patent number: 10451582
    Abstract: A gas sensor is provided in which a solid electrolyte tape of yttria doped zirconia is layered with tapes of alumina and a tape if mixed alumina-zirconia. This zirconia layer has structural modifications to increase NOx and NH3 sensitivity which the capacitance is significantly increased by creating a composite layer of platinum (Pt) plus a layer of yittrium-stabilized-zirconia (YSZ) with Pt fraction of approximately between around 10% by volume to around 25% by volume. A 100-200 ?m thick mixed tape layer of porous MgAl2O4 is provided on top of the alumina-zirconia layer. Under the alumina-zirconia tape is an exhaust gas sensing electrode which connects to a contact pad through the lead. A reference electrode, which connects to the pad through a lead, is disposed in fluid communication with a reference chamber. Proximate alumina tapes and a heater are connected to the contact pad, which is connected to corresponding leads.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: October 22, 2019
    Assignee: BJR Sensors LLC
    Inventor: Boris Farber
  • Patent number: 10411616
    Abstract: A power transmission network includes an AC electrical system, an AC transmission link from the AC electrical system to AC-DC converter(s), and a control system. AC-DC converter(s) include an AC connecting point connected to the AC transmission link and a DC connecting point for connection to a DC transmission link. The control system operates each AC-DC converter in an AC voltage control mode as an AC slack bus to control a magnitude and/or a frequency of an AC voltage of the AC transmission link at a steady-state value and facilitating a power transfer between its connecting points to accommodate power generated or supplied to the AC electrical system. The control system further operates each AC-DC converter in a protection mode to protect each AC-DC converter from an overvoltage and/or an overcurrent.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: September 10, 2019
    Assignee: General Electric Technology GmbH
    Inventors: Andrzej Adamczyk, Carl David Barker, Robert Stephen Whitehouse
  • Patent number: 10387788
    Abstract: Techniques are provided for determining predicted results for entities based on relatedness of the entities in a graph of nodes. In an embodiment, the graph of nodes is generated based on the determined relatedness of the entities. A node in the graph of nodes represents an entity, and nodes representing entities with known results are assigned those results as their respective node values. The assigned node values are then propagated between the neighboring nodes throughout the graph of nodes in the amount determined by the relatedness of the nodes. Based on the propagation, node values for entities with unknown results are determined and represent the predicted results for those entities. Additionally, various classifiers may be combined with the propagated node values to increase the accuracy of the predicted results.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: August 20, 2019
    Assignee: LinkedIn Corporation
    Inventors: Qiang Zhu, John Chao, Qingbo Hu
  • Patent number: 10360321
    Abstract: A non-transitory computer-readable recording medium stores a model generation program that causes a computer to execute a process. The process includes obtaining measurement data on measurement points sequentially measured along a measurement path curve generated from a Hilbert curve laid out in a normalized space in which measurement target ranges of respective plurality of control parameters related to control of an object to be measured are normalized, the measurement points being more in number in a specific area of the measurement target ranges than in an area other than the specific area, and the numbers of measurement points lying on two sides in each group of two adjacent sides of the measurement path curve and where a control parameter changes in opposite directions being balanced; and generating a control model of the object to be measured on the basis of the obtained measurement data of the measurement points.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: July 23, 2019
    Assignee: FUJITSU LIMITED
    Inventor: Yuhei Umeda
  • Patent number: 10354028
    Abstract: A computer-implemented method includes receiving a unit, wherein each unit includes one or more blocks. The computer-implemented method further includes selecting one or more input pins for each of said one or more blocks. The computer-implemented method further includes assigning a numerical value to each of said one or more input pins to yield at least one numerical sequence. The computer-implemented method further includes, for each numerical sequence of the at least one numerical sequence, performing a check on the numerical sequence to yield a number of fails. The computer-implemented method further includes determining a simulation condition for power modeling of the unit based on optimizing a numerical sequence with respect to the number of fails. The computer-implemented method further includes determining a number of design errors of the unit based on the simulation condition. A corresponding computer system and computer program product are also disclosed.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: July 16, 2019
    Assignee: International Business Machines Corporation
    Inventors: Anand Haridass, Arun Joseph, Pradeep Kumar Nalla, Rahul M. Rao
  • Patent number: 10355483
    Abstract: Methods and Systems for dynamic state estimation (DSE) in an electric power system (EPS) having a multi-control area interconnected power network. Estimating current states of buses in a control area using historical data via a state transition model of buses of the control area. Receiving, a current state of 1-hop and n-hop neighboring buses located in neighboring control areas. A 1-hop neighboring bus connects to one boarder bus of the control area via a tie-branch and n-hop neighboring bus is connected to the 1-hop neighboring bus via at least one tie-branch, wherein n is greater than one. Determining measurements of states from buses in the control area. Finally, updating the current state of the buses using a measurement model on a basis of estimated current states of the control area, the received states from the neighboring control areas, and the measurements of states from buses in the control area.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: July 16, 2019
    Assignee: Mitsubishi Electric Research Laboratories, Inc.
    Inventors: Hongbo Sun, Ariana Minot
  • Patent number: 10346567
    Abstract: A method for performing battery cell control with aid of virtual battery mechanism includes the steps of: receiving a total output voltage level of a set of battery cells connected in series between a first battery control terminal and a second battery control terminal; generating a virtual total output voltage level according to the total output voltage level, and inputting the virtual total output voltage level to a third battery control terminal, wherein the virtual total output voltage level simulates an output voltage level of connecting the set of battery cells and at least one virtual battery cell in series; generating a supply voltage according to the total output voltage level to maintain generation of the virtual total output voltage level; and utilizing a battery cell control chip within a power supply device to control operations of the set of battery cells according to the virtual total output voltage level.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: July 9, 2019
    Inventor: Fu-Sheng Tsai
  • Patent number: 10339026
    Abstract: Technologies for monitoring a characteristic of a monitored system include determining a measured value of the primary characteristic of the monitored system sensed by a primary sensor and a measured value of the secondary characteristic of the monitored system sensed by a secondary sensor, and predicating a predicted value of the primary characteristic based on the measured value of the secondary characteristic. The measured and predicted values of the primary characteristic are used to determine whether the primary sensor is properly functioning.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: July 2, 2019
    Assignee: Intel Corporation
    Inventors: Indrajit Manna, Jakub Wenus, Mariano J. Phielipp, Suraj Sindia
  • Patent number: 10311399
    Abstract: A system collects and manages sets of asset data that are indicative of operational performance of physical assets disposed at multiple physical locations in a plant. The system includes a database that associates each set of asset data to (1) a location at which the data was collected, (2) the asset for which the data was collected, and (3) the monitoring device that was used to collect the data. In this way, each location has its own history of all asset data ever collected on all assets disposed at that location, and its own history of all monitoring devices used to collect data at that location. Also, each asset has its own history of all asset data collected on that asset at all locations at which it was disposed and for all monitoring devices. This sort of asset data is referred to herein as multi-referenced data.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: June 4, 2019
    Assignee: Computational Systems, Inc.
    Inventors: Christopher G. Hilemon, Anthony J. Hayzen, William L. Sells, Viva C. Williams, David A. Bass
  • Patent number: 10294869
    Abstract: A control system for a gas turbine includes a processor. The processor configured to access one or more operating parameters of the gas turbine. The operating parameters are configured to specify how the gas turbine operates. The processor is configured to predict a rate of degradation to one or more parts of a compressor of the gas turbine due to one or more effects on the parts by operating the gas turbine according to the one or more operating parameters. The processor is configured to send an alert to an electronic device based at least in part on the rate of degradation of the compressor.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: May 21, 2019
    Assignee: General Electric Company
    Inventors: Xiaomo Jiang, Rebecca Evelyn Hefner, Bradford George Foulkes, Jianxiong Chen, John Robert Korsedal
  • Patent number: 10291027
    Abstract: The present disclosure provides a method and a device for controlling an active distribution network, relating to the field of power system operation and control technology.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: May 14, 2019
    Assignee: TSINGHUA UNIVERSITY
    Inventors: Wenchuan Wu, Boming Zhang, Hongbin Sun, Zhuang Tian, Qinglai Guo, Bin Wang
  • Patent number: 10289773
    Abstract: Information from a circuit design's unified power format (UPF) description is utilized to automate the management of reset domain crossings (RDCs). The UPF description is utilized to identify signals that generate both RDC and power domain crossings (PDCs), thereby allowing a circuit designer to efficiently utilize a common (shared) isolation circuit that functions to manage both the RDC (i.e., during reset functions) and the PDC (i.e., during power management functions). A modified UPF description is introduced that facilitates automated management of RDC issues by treating the reset domains as pseudo-power domains, and utilizing UPF analysis and verification tools to automatically generate both shared and non-shared resources for both RDC and PDC issues.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: May 14, 2019
    Assignee: Synopsys, Inc.
    Inventors: Deep Shah, Namit Gupta, Mohamed Shaker Sarwary
  • Patent number: 10281507
    Abstract: Customized hardware provides a generator sizing interface to the user for selecting individual loads that may be present at a particular facility of building. The hardware and/or generator sizing interface receives one or more load selections from the user and, in response, generates a single line diagram or a one line diagram for power flow analysis based on the load selections. The hardware and/or generator sizing interface accesses a database for power requirements for the load selections of the diagram. A List of potential generators or an optimal generator is identified based at least in part on the power requirement of the load selections.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: May 7, 2019
    Assignee: Kohler Co.
    Inventors: David Schuh, James Kukla
  • Patent number: 10198863
    Abstract: A method of managing Proxy Objects by attaching Meta Data to each Proxy and HD Object. The Meta Data enables the user to programmatically swap one Proxy Object with one or more HD Objects. All Proxy Objects and HD Objects are stored in a secure database structure that protects the content owner's intellectual property while providing access by users to the proxy objects and all related product information. Non-technical and non-CAD users are able to configure objects within a space by selecting an object, browsing a catalog of possible alternative objects, viewing specific product details and then selecting the object to replace the selected object. Once a new object is selected. A photo realistic 360 image of a scene is created in real time without any special software on the user's computer or any special training.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: February 5, 2019
    Assignee: OPTO Interactive, LLC
    Inventor: Richard T. Ullom
  • Patent number: 10180997
    Abstract: An apparatus for simulating a wind power farm includes a wind power generator simulator configured to act as a virtual wind power generator to dynamically generate an attribute value and provide the attribute value to a supervisory control and data acquisition (SCADA) system to be tested; a wind power generator simulation platform configured to generate and manage a plurality of wind power generator simulators within one system, monitor the system, monitor operation states of the plurality of wind power generator simulators, and transmit a result of monitoring the operation states; and a wind power farm controller configured to generate a wind power farm by grouping a plurality of wind power generator simulation platforms into a single cluster, and manage a simulation environment of the wind power farm.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: January 15, 2019
    Assignee: KOREA ELECTRIC POWER CORPORATION
    Inventors: Dong Wook Kim, Jae Kyung Lee, Nam Joon Jung, Hyo Yul Choi, Jun Shin Lee, Jae Ju Song
  • Patent number: 10108764
    Abstract: A method of estimating power consumption for a system on chip (SOC) includes simulating operation of a first sub-block to obtain power consumption information for the first sub-block including first activation information for a first IP block. The method further includes simulating operation of a second sub-block to obtain power consumption information for the second sub-block including second activation information for the first IP block and activation information for a plurality of second IP blocks. The method further includes determining a weighting factor for the first activation information for the first IP block, the second activation information for the first IP block and the activation information for each second IP block. The method further includes estimating power consumption for the SOC based on the first and second activation information for the first IP block, the activation information for at least one second IP block, and corresponding weighting factors.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: October 23, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shereef Shehata, Sandeep Kumar Goel, Tze-Chiang Huang, Yun-Han Lee, Mei Wong
  • Patent number: 10073479
    Abstract: A power management apparatus includes an electric device including a plurality of operation algorithm information and power information for each operation level corresponding to each operation algorithm information, and a power management unit to receive power rate information from a power provider, determine an operation level of the electric device on the basis of the received power rate information and power information for each operation level of the electric device, and control an operation of the electric device at the determined operation level. As a result, the power management apparatus performs different operation algorithms according to power rate information, and controls power consumption of the electric device, such that energy efficiency at the user side can be maximized. In response to the changed power rate information, the currently-driven electric device and the electric device to be driven can be driven at the optimum operation level appropriate for their power consumption characteristics.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Hwi Jang, Jong Hyun Shin, Hyun Soo Park, Young Jin Park
  • Patent number: 10067038
    Abstract: A method and system for analyzing equipment degradation for maintaining the equipment are provided. The method and system receive and store equipment and sensor data associated with operational equipment, generate a display signal to display a relationship analysis window, a residual error window, a performance condition window, and a maintenance trigger window, and evaluate a coordinated relationship between the equipment sensor data and the environmental data, determine residual errors and determine a Historical Health Condition Index (HHCI) for the operational equipment and generate a Future Health Condition Index (FHCI) from the HHCI, and generate an equipment maintenance trigger for the operational equipment by establishing a trigger threshold for maintenance.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: September 4, 2018
    Assignee: Accenture Global Services Limited
    Inventors: Fang Hou, Yan Gao, Xiaopei Cheng
  • Patent number: 9997914
    Abstract: Distributed energy resources are validated by dispatching a distributed energy resources individually in known ambient conditions and monitoring the particular effect of dispatch to then establish a database of performance for multiple different distributed energy resources. The distributed energy resources can be permanently monitored to further build up this database and to verify that the distributed energy resource is performing consistent with its validation or other expected performance. Distributed energy resources of a slow responding variety and a fast responding variety can be paired together and dispatched together, so that the paired fast responding and slow responding distributed energy resources mimic a large fast responding distributed energy resource. The benefits of a high capacity fast responding distributed energy resource is thus provided, such as for the load shedding and grid support benefits thereof.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: June 12, 2018
    Assignee: Negawatt Assets, LLC
    Inventors: Michael S. Day, Calvin R. Wylie
  • Patent number: 9953117
    Abstract: A method for solving a two-stage non-linear stochastic formulation for the economic dispatch problem under renewable-generation uncertainty. Certain generation decisions are made only in the first stage and fixed for the subsequent (second) stage, where the actual renewable generation is realized. The uncertainty in renewable output is captured by a finite number of scenarios. Any resulting supply-demand mis-match must then be alleviated using high marginal-cost power sources that can be tapped in short time frames. The solution implements two outer approximation algorithms to solve this nonconvex optimization problem to optimality including the application of a decomposition approach derived from the Alternating Direction Method of Multipliers (ADMM) algorithm.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: April 24, 2018
    Inventors: Soumyadip Ghosh, Dung T. Phan
  • Patent number: 9921602
    Abstract: In steady-state voltage stability analysis, as load increases toward a maximum, conventional Newton-Raphson power flow Jacobian matrix becomes increasingly ill-conditioned so power flow fails to converge before reaching maximum loading. A method to directly eliminate this singularity reformulates the power flow problem by introducing an AQ bus with specified bus angle and reactive power consumption of a load bus. For steady-state voltage stability analysis, the angle separation between the swing bus and AQ bus can be varied to control power transfer to the load, rather than specifying the load power itself. For an AQ bus, the power flow formulation is only made up of a reactive power equation, thus reducing the size of the Jacobian matrix by one. This reduced Jacobian matrix is nonsingular at the critical voltage point, eliminating a major difficulty in voltage stability analysis for power system operations.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: March 20, 2018
    Assignee: RENSSELAER POLYTECHNIC INSTITUTE
    Inventors: Joe Hong Chow, Scott Gordon Ghiocel
  • Patent number: 9866063
    Abstract: Fault-tolerant power distribution systems for modular power plants are discussed. The systems enable the transmission of a portion of the power generated by a modular power plant to remote consumers. The systems also enable the local distribution of another portion of the generated power within the power plant. The various fault-tolerant systems enable the plant to continuously, and without degradation or disruption, transmit power to remote consumers and distribute power within in the power plant in the event of one or more faults within the distribution system. The various embodiments include redundant power-transmission paths, power-distribution module feeds, switchgear, and other hardware components.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: January 9, 2018
    Assignee: NUSCALE POWER, LLC
    Inventor: Ted Hough
  • Patent number: 9787506
    Abstract: An equalization circuit may include a buffer configured to sense an input signal according to a reference voltage. The equalization circuit may include a reference voltage generator configured to generate the reference voltage. The reference voltage may be changed in conformity with noise of the input signal.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: October 10, 2017
    Assignee: SK hynix Inc.
    Inventors: Kwan Su Shon, Yo Han Jeong
  • Patent number: 9760866
    Abstract: Systems and methods to provide server side profile information. An LDAP server is provisioned for each user of a plurality of users. Profile information is received. The profile information is stored in a database associated with the LDAP server. Via the LDAP server, a suggestion from the profile information is provided in response to a partial entry provided by the user to a first client associated with the user.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: September 12, 2017
    Assignee: YAHOO HOLDINGS, INC.
    Inventors: Dennis Quintela, Frank J. Cort
  • Patent number: 9625929
    Abstract: A method for obtaining a three-phase power flow of a power distribution network and a device for obtaining a three-phase power flow of a power distribution network are provided. The method includes steps of: selecting a three-phase power transformer in the power distribution network and configuring a secondary side of the three-phase power transformer with an ungrounded neutral connection, such that the three-phase power transformer satisfies a preset voltage-current relationship; adding a constraint condition to the preset voltage-current relationship to correct a three-phase admittance matrix of the three-phase power transformer; and applying the three-phase admittance matrix to a preset algorithm to obtain a three-phase power flow of the power distribution network.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: April 18, 2017
    Assignees: Tsinghua University, Guizhou Power Grid Information & Telecommunication Co., Ltd.
    Inventors: Wenchuan Wu, Boming Zhang, Qing Zou, Hongbin Sun, Fei Li, Qinglai Guo, Yi Liu, Yajing Gao, Hongjia Miao, Yuan Ji
  • Patent number: 9618988
    Abstract: A method of managing a thermal budget, for at least a part of a processing system, is described. The method comprises, upon detection of a use case event, determining a thermal budget violation time window for a current use case scenario of the at least part of the processing system, and managing the thermal budget for the at least part of the processing system based at least partly on the determined thermal budget violation time window.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: April 11, 2017
    Assignee: NXP USA, INC.
    Inventors: Anton Rozen, Roy Drucker, Leonid Smolyansky
  • Patent number: 9582067
    Abstract: An information processing apparatus includes an application program; a power control unit configured to switch power modes so as to control ON/OFF of power supply to each piece of hardware; and a function execution unit configured to execute control of a specified function based on an instruction from the application program. The function execution unit is configured to inquire at the power control unit for the power modes in response to an instruction from the application program. The power control unit is configured to return a power mode to the function execution unit. The function execution unit is configured to notify the power control unit of a recovery request for powering ON the hardware that has been powered OFF in the power mode not supported.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: February 28, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventor: Kohichi Hirai
  • Patent number: 9501135
    Abstract: Dynamically switching cores on a heterogeneous multi-core processing system may be performed by executing program code on a first processing core. Power up of a second processing core may be signaled. A first performance metric of the first processing core executing the program code may be collected. When the first performance metric is better than a previously determined core performance metric, power down of the second processing core may be signaled and execution of the program code may be continued on the first processing core. When the first performance metric is not better than the previously determined core performance metric, execution of the program code may be switched from the first processing core to the second processing core.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: November 22, 2016
    Assignee: Intel Corporation
    Inventors: Youfeng Wu, Shiliang Hu, Edson Borin, Cheng Wang
  • Patent number: 9488682
    Abstract: A method determines power consumption of a load in a feeder section of an ungrounded power distribution system. Borders of the feeder section are defined by an importing device connecting the feeder section to an upstream feeder section, and by at least one exporting device connecting the feeder section with a downstream feeder section. A power consumption of each load is represented as a product of a scaling factor and a base power defined by a load profile of the load. A power flow of the feeder section is solved using the power consumptions of the loads to produce an active power for each phase of the importing device. A target active power for each phase of the importing device is determined using measurements at the importing device, and the scaling factors are updated based on a difference between the active power and the target active power.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: November 8, 2016
    Assignee: MITSUBISHI ELECTRIC RESEARCH LABORATORIES, INC.
    Inventor: Hongbo Sun
  • Patent number: 9484738
    Abstract: A method and system are provided for operation of substations in which protection, control and measurement devices (e.g., Intelligent Electronic Devices (IEDs)) exchange operational data over a data network, for example, according to IEC standard 61850. During maintenance, commissioning and fault situations, when one or several IEDs are inoperable, the data that these IEDs would have produced is substituted to ensure availability of the substation. To this effect, a dedicated substitute device is permanently installed that can take the role of any IED, and that is automatically configured out of a standard configuration description (SCD) file that describes the SA system.
    Type: Grant
    Filed: April 26, 2010
    Date of Patent: November 1, 2016
    Assignee: ABB Research Ltd.
    Inventors: Hubert Kirrmann, Michael Obrist
  • Patent number: 9465904
    Abstract: This invention is a signal input/output design tool for integrated circuit input/output design. The connectivity capacity of at least multiplexer connecting internal signals and external lines is expressed as a first set of Boolean expressions. The desired connectivity between internal signals and external lines is expressed is provided by a designer. A programmed general purpose computer expresses the desired connectivity as a second set of Boolean expressions and determines whether said first set of Boolean expressions and said second set of Boolean expressions are Boolean satisfiable. If satisfiable, the design tool generates control signals to configure the at least one multiplexer to achieve the desired connectivity. If not satisfiable, the design tool generates a report indicating which portions of the desired connectivity are achievable and which are not.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: October 11, 2016
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Darian Robert Peter Sale, Mandeep Singh Deol, Paul Ian Strathdee Marshall, Paul Arthur Gingrich, Shing Fu Pang, Victor Xi Yang, Andrew Edward Waterson, Steven Derrick Clynes
  • Patent number: 9460636
    Abstract: A power frequency parameter simulation system for a power transmission line and a control method thereof, the system includes a simulation main circuit (1), an interference power supply (2) and a procedure controller (3). In the system, a power frequency parameter of a 10 to 100 kilometers of 500 kV power transmission line is simulated in a lumped parameter manner; and the control method includes the following steps of: a step to detect the automatically zeroing during starting up, a step to control the reduction of the length of a simulation line and a step to control a simulation interference voltage. A long-distance power transmission line is realized to be moved into a room and be tested by means of the power frequency parameter test system, so the various inconveniences of on-site measurement are avoided.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: October 4, 2016
    Assignees: ANHUI ELECTRIC POWER RESEARCH INSTITUTE, SUZHOU HD ELECTRIC CO., LTD., STATE GRID CORPORATION OF CHINA (SGCC)
    Inventors: Zhong Fu, Jiantao Ye, Daowen Yang, Zinian Chen, Wei Li, Dengfeng Cheng, Yongkang Huang, Jingjing Dong, Wenhui Tong, Cuicui Wang
  • Patent number: 9423859
    Abstract: Embodiments relate to storing data in memory. An aspect includes applying a power savings technique to at least a subset of a processor. Pending work items scheduled to be executed by the processor are monitored. The pending work items are grouped based on the power savings technique. The grouping includes delaying a scheduled execution time of at least one of the pending work items to increase an overall number of clock cycles that the power savings technique is applied to the processor. It is determined that an execution criteria has been met. The pending work items are executed based on the execution criteria being met and the grouping.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: August 23, 2016
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Pradip Bose, Alper Buyuktosunoglu, Hans M. Jacobson, Augusto J. Vega
  • Patent number: 9385897
    Abstract: Methods and apparatus are provided for adapting transmitter equalization coefficients based on receiver gain adaptation. Equalization coefficients of a transmitter that communicates over a channel with a receiver are adapted by determining if a gain value for an amplifier in the receiver is within a limit of the amplifier; and preventing one or more adjustments to the transmitter equalization coefficients if the gain value does not satisfy the upper or lower limit of the amplifier. The gain adjustments comprise, for example, up and down requests for the transmitter equalization coefficients. One or more enable flags can optionally be set based on whether the gain value is within the limit of the amplifier.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: July 5, 2016
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Vladimir Sindalovsky, Mohammad S. Mobin, Lane A. Smith
  • Patent number: 9352748
    Abstract: A system to optimize performance of a powered system, the system including a data device configured to provide current information about current operating conditions of the powered system and/or prior information about the powered system, a controller configured to control operation of the powered system, and a processor configured to provide at least one control command to the controller for use in operating the powered system and/or user information with at least one recommended command to a user to control the powered system, wherein the at least one control command and/or user information are based at least in part on the current information and/or the prior information. A system and computer software code, stored on a computer readable media and executable with a processor, are also disclosed.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: May 31, 2016
    Assignee: General Electric Company
    Inventors: Henry Todd Young, Ajith Kuttannair Kumar, Bret Dwayne Worden, Bertrand Bastien, Timothy Warren Brown
  • Patent number: 9342637
    Abstract: A performance value DB stores multiple states of parts comprising a system, and the consumed power of parts in those states. In addition, a condition DB stores conditions when the states of the parts change. A calculator generates state sequences in which the states are arrayed in the order of change in accordance with conditions stored in the condition DB, when information indicating the states of the parts is not communicated. The calculator computes the percentage of the time the parts are in each state per unit time for each state comprising this state sequence. Furthermore, the calculator finds the products of the computed ratios and the consumed power stored in the performance value DB for each state comprising the state sequence, and estimates the sum of the products found as the consumed power of the part.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 17, 2016
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Masashi Mori, Hiroaki Sakai, Yoshinari Sugegaya