Patents by Inventor Ratnesh Kumar Sharma

Ratnesh Kumar Sharma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230369870
    Abstract: A method provides power from battery units by placing units with a predetermined variance in voltages in a first configuration; detecting a divergence in module voltages; if the divergence crosses a threshold, creating a new configuration of units to provide an even voltage distribution; and electrically rerouting the units to form the new configuration while the battery units are in an idle state or in a reduced mode of operation.
    Type: Application
    Filed: May 11, 2022
    Publication date: November 16, 2023
    Inventors: Ratnesh Kumar Sharma, Surinder Singh
  • Publication number: 20230305064
    Abstract: Systems and methods are disclosed for controlling packs of rechargeable batteries by: for each pack: determining electrical characteristics of the pack; determining energy correction for the pack; calculating a voltage correction for the pack; and determining a dispatch modifier for the pack. The system then normalizes the dispatch modifiers for all packs and recalculates the dispatch modifiers for all packs.
    Type: Application
    Filed: March 28, 2022
    Publication date: September 28, 2023
    Inventors: Ratnesh Kumar Sharma, Surinder Singh
  • Patent number: 9848513
    Abstract: According to one example of the present invention, a cooling system is provided. The cooling system comprises a water-cooled air conditioning module for cooling air from a chamber. The chamber is arranged for receiving air to be cooled and hot humid air. The cooling system also comprises a control system for controlling the flow of hot humid air to the chamber such that the air input to the air conditioning module has a predetermined relative humidity level within a predetermined range.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: December 19, 2017
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Ratnesh Kumar Sharma, Thomas W. Christian, Chandrakant Patel
  • Patent number: 9658662
    Abstract: Resource management for data centers is disclosed. In an exemplary embodiment, a method includes determining electrical power usage for the data center, and determining cooling fluid usage for the data center. The method also includes processing a resource utilization cap for the data center, and adjust ng at least one of the electrical power and the cooling fluid for the data center based on the resource utilization cap.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: May 23, 2017
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Tahir Cader, Ratnesh Kumar Sharma, Cullen E. Bash
  • Patent number: 9565789
    Abstract: A method for determining regions of influence of a plurality of fluid moving devices in an infrastructure is provided. In the method, a plurality of clusters are generated, with each of the plurality of clusters containing a representation of fluid supply data pertaining to a fluid moving device and one or more of the plurality of sensors based upon collected sensor and fluid supply data. In addition, regions of influence of each of the plurality of fluid moving devices are identified from an analysis of the generated clusters.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: February 7, 2017
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Ratnesh Kumar Sharma, Manish Marwah, Cullen E. Bash
  • Patent number: 9529899
    Abstract: Visual structures are produced to represent corresponding motifs, where the motifs correspond to repeating patterns in an input data set, where sizes of the visual structures are based on values of a characteristic associated with the motifs, and where a first of the motifs is nested within a second of the motifs to represent a hierarchical relationship of the patterns represented by the first and second motifs. The visual structures of corresponding motifs are presented for display in a visualization screen, where the visualization screen depicts the data in the input data set with the visual structures overlapping parts of depicted data. Interactive input is received specifying modification of a region containing motifs, wherein the specified modification includes interactive distortion of the visual structures in the region to change a size of the visual structures in the region.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: December 27, 2016
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Ming C. Hao, Manish Marwah, Umeshwar Dayal, Halldór Janetzko, Ratnesh Kumar Sharma, Daniel Keim
  • Patent number: 9411389
    Abstract: System and methods are disclosed to handle power imbalance in one or more distributed generation (DG) units: detecting islanding at time t1; selecting Phasor Measurement Unit (PMU) measurements during a pre-defined time window [t1-?, t1]; checking the time window for an abrupt voltage change; if no sudden change of voltage is detected, determining an average value of sPMUt between t1-? and t1 and using the average as a best estimate of a system power imbalance; if a sudden change of voltage is detected at time instant t2, determining the average value of sPMUt between t1-? and t2 and using the average as a best estimate of the system power imbalance; and adjusting a power reference of the DG units based on the best estimated system power imbalance.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: August 9, 2016
    Assignee: NEC Corporation
    Inventors: Di Shi, Ratnesh Kumar Sharma, Yanzhu Ye
  • Patent number: 9081880
    Abstract: Determining a sustainability impact for available data center architectures. A data center is accessed by a computer. Two or more functional parameters of the data center are then evaluated by the computer. Then, the computer combines the two or more evaluated functional parameters into a quantified judgment to determine a sustainability impact of available architectures of the data center.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: July 14, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Manish Marwah, Amip J Shah, Ratnesh Kumar Sharma, Thomas W Christian, Paulo Maciel
  • Patent number: 9063715
    Abstract: A virtual power infrastructure for managing distribution of power to a plurality of power demanding units from a plurality of power generators includes a demand manager having logical descriptions of the power demanding units, in which the demand manager is configured to determine power load demands of the power demanding units using the logical descriptions of the power demanding units, and a capacity manager having logical descriptions of the power generators. The capacity manager is configured to determine allocation of power capacity supplied to the power generators from one or more of the power generators to meet the power load demands of the power demanding units, while satisfying one or more predetermined constraints associated with at least one of the power demanding units and the power generators.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: June 23, 2015
    Assignee: Hewlett-Packard Development Company, L. P.
    Inventors: Ratnesh Kumar Sharma, Amip J. Shah, Cullen E. Bash, Chih C. Shih, Chandrakant Patel
  • Patent number: 9009061
    Abstract: In a method of determining cooling resource capacity allocations for resource units in a shared environment for optimized operations, cost parameters associated with operating the resource units in at least one of delivering and receiving cooling resources are identified, one or more constraints associated with operating the resource units are identified, in which at least one of the one or more constraints comprises meeting at least a total cooling demand of components in the shared environment, a cost function that correlates the plurality of identified cost parameters is developed, a minimized cost function is solved for through application of a Lagrange multiplier subject to the identified one or more constraints, and cooling resource capacity allocations for the resource units that result in optimized operations in the shared environment based upon the minimized cost function solution are determined.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: April 14, 2015
    Assignee: Hewlett-Packard Development Company, L. P.
    Inventors: Ratnesh Kumar Sharma, Amip J. Shah, Cullen E. Bash, Chandrakant Patel
  • Patent number: 8838423
    Abstract: In a method for managing an infrastructure, a utilization of a plurality of infrastructure components in performing an objective is simulated. In addition, a resource demand for the infrastructure associated with the simulated utilization of the infrastructure components is determined and a supply of resources by a plurality of available sources to meet the determined resource demand is simulated. Moreover, at least one metric associated with the determined resource demand and the simulated supply of resources by the plurality of available sources is determined.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: September 16, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Daniel Juergen Gmach, Yuan Chen, Amip J. Shah, Jerome Rolia, Cullen E. Bash, Thomas W. Christian, Ratnesh Kumar Sharma
  • Patent number: 8794017
    Abstract: A system for managing distribution of a cooling medium includes a sensor configured to detect a condition, a first agent configured to receive the detected condition and to determine whether a characteristic of the cooling medium controlled via a first actuator is to be manipulated based upon the detected condition. The system also includes a second agent configured to receive at least one of the detected condition and the flow manipulation determination of the first actuator and to determine whether a characteristic of the cooling medium controlled by a second actuator is to be manipulated based upon the at least one of the detected condition and the characteristic manipulation determination of the first actuator.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: August 5, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Cullen E. Bash, Chandrakant Patel, Ratnesh Kumar Sharma, Amip J. Shah
  • Patent number: 8731733
    Abstract: A system for managing a structure having cooling fluid configured to flow around and absorb heat from components contained in the structure includes a plurality of separate cooling mechanisms configured to absorb heat from the cooling fluid. At least two of the plurality of separate cooling mechanisms have at least one different level of a metric with respect to each other. The system also includes a controller configured to implement the plurality of separate cooling mechanisms in a staged manner to remove heat from the cooling fluid. The staged manner includes implementing the cooling mechanism having a relatively lower at least one metric level first and implementing a cooling mechanism having a relatively higher at least one metric level last, to cool the structure.
    Type: Grant
    Filed: April 1, 2008
    Date of Patent: May 20, 2014
    Assignee: Hewlett-Packard Development Company, L. P.
    Inventors: Chandrakant Patel, Cullen E. Bash, Ratnesh Kumar Sharma, Amip J. Shah, Abdlmonem Beitelmal
  • Patent number: 8727227
    Abstract: In a method for determining a substantially optimized fluid flow distribution in a structure configured to be cooled by a fluid moving device, an indication to activate the fluid moving device according to a reference temperature setpoint of a plurality of sensors is outputted. In addition, conditions detected in multiple areas of the structure with the plurality of sensors are received, a master sensor among the plurality of sensors based upon the detected conditions is identified; and a master reference temperature setpoint for the master sensor that substantially optimizes fluid flow distribution in the structure based upon conditions detected by the plurality of sensors in response to changes in a characteristic of fluid flow supplied to the plurality of sensors is determined.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: May 20, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Cullen E. Bash, Abdlmonem Beitelmal, Ratnesh Kumar Sharma
  • Patent number: 8730242
    Abstract: To perform time slice-based visual prediction, a weighted moving aggregate of data values in a data set is calculated over previous time slices to predict data values based on interactive user input. A visual accuracy indicator is generated for display to indicate a quality of prediction of data values at different times. A visualization presents data values from the data set and the predicted data values, where the data values from the data set and the predicted data values are represented as corresponding cells.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: May 20, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Ming C. Hao, Umeshwar Dayal, Halldór Janetzko, Ratnesh Kumar Sharma
  • Publication number: 20140100705
    Abstract: System and methods are disclosed to handle power imbalance in one or more distributed generation (DG) units: detecting islanding at time t1; selecting Phasor Measurement Unit (PMU) measurements during a pre-defined time window [t1-?, t1]; checking the time window for an abrupt voltage change; if no sudden change of voltage is detected, determining an average value of sPMUt between t1-? and t1 and using the average as a best estimate of a system power imbalance; if a sudden change of voltage is detected at time instant t2, determining the average value of sPMUt between t1-? and t2 and using the average as a best estimate of the system power imbalance; and adjusting a power reference of the DG units based on the best estimated system power imbalance.
    Type: Application
    Filed: October 2, 2013
    Publication date: April 10, 2014
    Applicant: NEC LABORATORIES AMERICA, INC.
    Inventors: Di Shi, Ratnesh Kumar Sharma, Yanzhu Ye
  • Patent number: 8643646
    Abstract: To construct at least one cluster of data records of a scatter plot, cells representing the data records are placed in a visualization screen according to values of a first attribute and a second attribute of the data records. Visual indicators are assigned to the cells according to values of a third attribute of the data records. In response to detecting data records having a particular pair of first attribute and second attribute values, cells representing the data records having the particular pair of first attribute and second attribute values are placed in nearby positions according to similarity of values of the third attribute to form the at least one cluster of cells having similar visual indicators.
    Type: Grant
    Filed: March 16, 2009
    Date of Patent: February 4, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Ming C. Hao, Umeshwar Dayal, Ratnesh Kumar Sharma, Alex Xin Zhang
  • Patent number: 8641804
    Abstract: Systems and methods to condition air are disclosed. An example system includes a desiccant heat transfer device to supply conditioned air to a facility, an air intake to receive air to be conditioned via the desiccant heat transfer device, and a make-up exhaust to provide exhaust air from a heat dissipating device in the facility to provide heated air to reactivate the desiccant heat transfer device.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: February 4, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Ratnesh Kumar Sharma, Chih C. Shih, Thomas W. Christian, Cullen E. Bash
  • Patent number: 8630967
    Abstract: In a method for determining operational settings for a plurality of fluid moving devices, one or more motifs in utilization data of the plurality of fluid moving devices collected over a time series is identified as a multivariate time series of data, sustainability metric levels for each of the one or more identified motifs are calculated, and a determination as to which of the one or more identified motifs have favorable sustainability metric levels is made.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: January 14, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Ratnesh Kumar Sharma, Manish Marwah, Debprakash Patnaik, Naren Ramakrishnan
  • Patent number: 8630739
    Abstract: In a method of evaluating an infrastructure having a plurality of components based upon exergy loss values, exergy loss values of the components are aggregated. In addition, at least one of the components in the infrastructure is controlled based upon the aggregated exergy loss values.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: January 14, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Amip J. Shah, Ratnesh Kumar Sharma, Cullen E. Bash