Patents by Inventor Prafull Sharma
Prafull 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: 20240005627Abstract: A method of conditional neural ground planes for static-dynamic disentanglement is described. The method includes extracting, using a convolutional neural network (CNN), CNN image features from an image to form a feature tensor. The method also includes resampling unprojected 2D features of the feature tensor to form feature pillars. The method further includes aggregating the feature pillars to form an entangled neural ground plane. The method also includes decomposing the entangled neural ground plane into a static neural ground plane and a dynamic neural ground plane.Type: ApplicationFiled: April 18, 2023Publication date: January 4, 2024Applicants: TOYOTA RESEARCH INSTITUTE, INC., TOYOTA JIDOSHA KABUSHIKI KAISHA, MASSACHUSETTS INSTITUTE OF TECHNOLOGYInventors: Prafull SHARMA, Ayush TEWARI, Yilun DU, Sergey ZAKHAROV, Rares Andrei AMBRUS, Adrien David GAIDON, William Tafel FREEMAN, Frederic Pierre DURAND, Joshua B. TENENBAUM, Vincent SITZMANN
-
Publication number: 20220138911Abstract: A neural network is used to remove noise from a data signal. The noise removed by the neural network is compared to simulated noise that represents noise expected to be present in the data signal.Type: ApplicationFiled: November 5, 2021Publication date: May 5, 2022Inventors: Michael NEWEY, Prafull SHARMA
-
Patent number: 10809217Abstract: A system (1) for detecting and locating corrosion on the outer surface of a metal body (2). The system includes an extended electromagnetic waveguide (6) arranged adjacent to the outer surface of the metal body. The electromagnetic waveguide includes a sacrificial component that experiences substantially the same environment as the outer surface of the metal body. The system also includes a waveform generator (10) arranged to be connected to the waveguide and to inject an electromagnetic waveform into the waveguide. The system also includes a waveform analyser (12) connected to the waveguide. The waveform analyser is arranged to receive a reflected portion of the injected electromagnetic waveform from the waveguide. The reflected portion of the injected electromagnetic waveform is used by the waveform analyser to determine the location of corrosion of the sacrificial component of the waveguide.Type: GrantFiled: January 26, 2017Date of Patent: October 20, 2020Assignee: CRANFIELD UNIVERSITYInventors: Prafull Sharma, Hoi Yeung
-
Patent number: 10690585Abstract: A system includes a plurality of movable members and an electromagnetic wave probe disposed within at least one movable member among the plurality of movable members. The actuation system is coupled to the plurality of movable members. The actuation system is configured to actuate and removably position the plurality of movable members to form a wave guide around at least a portion of an outer peripheral surface of the pipe assembly and position the electromagnetic wave probe proximate to the portion of the outer peripheral surface of the pipe assembly.Type: GrantFiled: September 15, 2015Date of Patent: June 23, 2020Assignee: General Electric CompanyInventors: Vikram Reddy Melapudi, Megha Navalgund, Manikandasriram Srinivasan Ramanagopal, Prafull Sharma
-
Patent number: 10690532Abstract: A method of determining a fraction of one or more phases in a multi-phase fluid in a conduit is provided. The method includes exciting (602) a sensing device to cause emission of electromagnetic waves of a range of frequencies into a multi-phase fluid. The sensing device comprises an antenna and a dielectric layer, selected to cause resonance in at least one of a first set of frequencies or a second set of frequencies based on a flow state of the multi-phase fluid, when placed proximate to the multi-phase fluid. The method also includes receiving (604) transmitted or reflected electromagnetic waves from the multi-phase fluid. The flow state of the multi-phase fluid is selected (606) based on a classification parameter. Fractions are determined (608) utilizing at least one fraction determination model that is selected based on the flow state of the multi-phase fluid.Type: GrantFiled: October 14, 2015Date of Patent: June 23, 2020Assignee: Baker Hughes Oilfield Operations LLCInventors: Prafull Sharma, Aparna Chakrapani Sheila-Vadde, Suma Memana Narayana Bhat, Vikram Melapudi
-
Patent number: 10309910Abstract: A method of determining salinity of multi-phase fluids in a conduit includes exciting a sensing device to cause emission of electromagnetic waves of one or more frequencies into the multi-phase fluid. The method includes receiving transmitted or reflected electromagnetic waves from the multi-phase fluid. Furthermore, the method includes determining an intermediate parameter from the received electromagnetic waves. The method also includes obtaining estimated values of a plurality of parameters from the intermediate parameter. The estimated values comprise at least one of an estimated value of conductance, an estimated value of susceptance, an estimated value of differential conductance, an estimated value of differential susceptance, an estimated value of a real part of complex permittivity, and an estimated value of an imaginary part of complex permittivity. Salinity of the fluid is determined based, at least in part, on the estimated values of the plurality of parameters.Type: GrantFiled: November 10, 2015Date of Patent: June 4, 2019Assignee: General Electric CompanyInventors: Prafull Sharma, Aparna Chakrapani Sheila-Vadde
-
Publication number: 20190064096Abstract: A system (1) for detecting and locating corrosion on the outer surface of a metal body (2). The system includes an extended electromagnetic waveguide (6) arranged adjacent to the outer surface of the metal body. The electromagnetic waveguide includes a sacrificial component that experiences substantially the same environment as the outer surface of the metal body. The system also includes a waveform generator (10) arranged to be connected to the waveguide and to inject an electromagnetic waveform into the waveguide. The system also includes a waveform analyser (12) connected to the waveguide. The waveform analyser is arranged to receive a reflected portion of the injected electromagnetic waveform from the waveguide. The reflected portion of the injected electromagnetic waveform is used by the waveform analyser to determine the location of corrosion of the sacrificial component of the waveguide.Type: ApplicationFiled: January 26, 2017Publication date: February 28, 2019Inventors: Prafull Sharma, Hoi Yeung
-
Patent number: 9909911Abstract: A method for determining a phase composition of a multiphase mixture flowing through a pipe is presented. The method includes exciting one or more patch antennas configured to operate over the range of frequencies. Further, the method includes acquiring at least one of a transmitted signal and a reflected signal over the range of frequencies from the one or more patch antennas. Moreover, the method includes estimating the phase composition of the multiphase mixture based on a group delay determined from at least one of the transmitted signal and the reflected signal. A system for determining a phase composition of a multiphase mixture flowing through a pipe is also presented.Type: GrantFiled: June 3, 2014Date of Patent: March 6, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Aparna Chakrapani Sheila-Vadde, Prafull Sharma, Manoj Kumar Koyithitta Meethal, Vikram Reddy Melapudi
-
Publication number: 20170322064Abstract: A method of determining a fraction of one or more phases in a multi-phase fluid in a conduit is provided. The method includes exciting (602) a sensing device to cause emission of electromagnetic waves of a range of frequencies into a multi-phase fluid. The sensing device comprises an antenna and a dielectric layer, selected to cause resonance in at least one of a first set of frequencies or a second set of frequencies based on a flow state of the multi-phase fluid, when placed proximate to the multi-phase fluid. The method also includes receiving (604) transmitted or reflected electromagnetic waves from the multi-phase fluid. The flow state of the multi-phase fluid is selected (606) based on a classification parameter. Fractions are determined (608) utilizing at least one fraction determination model that is selected based on the flow state of the multi-phase fluid.Type: ApplicationFiled: October 14, 2015Publication date: November 9, 2017Applicant: GENERAL ELECTRIC COMPANYInventors: Prafull SHARMA, Aparna Chakrapani Sheila-Vadde, Suma Memana Narayana BHAT, Vikram MELAPUDI
-
Publication number: 20170241895Abstract: A system includes a plurality of movable members and an electromagnetic wave probe disposed within at least one movable member among the plurality of movable members. The actuation system is coupled to the plurality of movable members. The actuation system is configured to actuate and removably position the plurality of movable members to form a wave guide around at least a portion of an outer peripheral surface of the pipe assembly and position the electromagnetic wave probe proximate to the portion of the outer peripheral surface of the pipe assembly.Type: ApplicationFiled: September 15, 2015Publication date: August 24, 2017Inventors: Vikram Reddy MELAPUDI, Megha NAVALGUND, Manikandasriram SRINIVASAN RAMANAGOPAL, Prafull SHARMA
-
Publication number: 20160131601Abstract: A method of determining salinity of multi-phase fluids in a conduit includes exciting a sensing device to cause emission of electromagnetic waves of one or more frequencies into the multi-phase fluid. The method includes receiving transmitted or reflected electromagnetic waves from the multi-phase fluid. Furthermore, the method includes determining an intermediate parameter from the received electromagnetic waves. The method also includes obtaining estimated values of a plurality of parameters from the intermediate parameter. The estimated values comprise at least one of an estimated value of conductance, an estimated value of susceptance, an estimated value of differential conductance, an estimated value of differential susceptance, an estimated value of a real part of complex permittivity, and an estimated value of an imaginary part of complex permittivity. Salinity of the fluid is determined based, at least in part, on the estimated values of the plurality of parameters.Type: ApplicationFiled: November 10, 2015Publication date: May 12, 2016Inventors: Prafull SHARMA, Aparna Chakrapani SHEILA-VADDE
-
Patent number: 8855947Abstract: Various methods of metering a multi-phase composition in a pipe using patch antenna(s), that operate in a radio or microwave frequency range, are disclosed including locating and then exciting the patch antenna(s) over a range of frequencies; measuring transmitted and reflected signals over time; estimating a shift in a resonant frequency from a baseline resonant frequency; then calculating a permittivity of the composition, based on the shift; and calculating a phase composition of the multi-phase composition. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims.Type: GrantFiled: October 29, 2010Date of Patent: October 7, 2014Assignee: General Electric CompanyInventors: Aparna Chakrapani Sheila-Vadde, Prafull Sharma, Manoj Kumar Koyithitta Meethal, Mandar Diwakar Godbole
-
Publication number: 20140260659Abstract: A method for determining a phase composition of a multiphase mixture flowing through a pipe is presented. The method includes exciting one or more patch antennas configured to operate over the range of frequencies. Further, the method includes acquiring at least one of a transmitted signal and a reflected signal over the range of frequencies from the one or more patch antennas. Moreover, the method includes estimating the phase composition of the multiphase mixture based on a group delay determined from at least one of the transmitted signal and the reflected signal. A system for determining a phase composition of a multiphase mixture flowing through a pipe is also presented.Type: ApplicationFiled: June 3, 2014Publication date: September 18, 2014Applicant: General Electric CompanyInventors: Aparna Chakrapani Sheila-Vadde, Prafull Sharma, Manoj Kumar Koyithitta Meethal, Vikram Reddy Melapudi
-
Patent number: 8508238Abstract: An electrode array, a system and a method for reconstructing the distribution of electrical properties within a multi-material object. One embodiment includes electrodes arranged along a three-dimensional helical path to provide one or more helical arrays and circuitry to measure signals for calculating a conductivity or admittivity distribution representative of the interior of the structure. Image data may be obtained which is representative of the multi-material region.Type: GrantFiled: August 12, 2010Date of Patent: August 13, 2013Assignee: General Electric CompanyInventors: Sakethraman Mahalingam, Manoj Kumar Koyithitta Meethal, Prafull Sharma, Rajesh Veera Venkata Lakshmi Langoju, Wrichik Basu, Parama Ghoshal
-
Publication number: 20120136630Abstract: A method and system for inspecting a wind turbine is provided. The method includes providing at least one remotely operated aerial platform (ROAP), providing at least one non-destructive evaluation (NDE) device attached to the ROAP, and providing at least one distance measuring system attached to the ROAP. The distance measuring system is used for determining the distance between the ROAP and at least a portion of the wind turbine. The method also includes positioning the ROAP so that the at least one non-destructive evaluation device captures data used for inspecting the wind turbine.Type: ApplicationFiled: February 4, 2011Publication date: May 31, 2012Inventors: John Thomas Murphy, Debasish Mishra, George Rowan Silliman, Vinod Padmanabhan Kumar, Shyamsunder Tondanur Mandayam, Prafull Sharma
-
Publication number: 20120038368Abstract: An electrode array, a system and a method for reconstructing the distribution of electrical properties within a multi-material object. One embodiment includes electrodes arranged along a three-dimensional helical path to provide one or more helical arrays and circuitry to measure signals for calculating a conductivity or admittivity distribution representative of the interior of the structure. Image data may be obtained which is representative of the multi-material region.Type: ApplicationFiled: August 12, 2010Publication date: February 16, 2012Inventors: Sakethraman Mahalingam, Manoj Kumar Koyithitta Meethal, Prafull Sharma, Rajesh Veera Venkata Lakshmi Langoju, Wrichik Basu, Parama Ghoshal
-
Publication number: 20110196625Abstract: Various methods of metering a multi-phase composition in a pipe using patch antenna(s), that operate in a radio or microwave frequency range, are disclosed including locating and then exciting the patch antenna(s) over a range of frequencies; measuring transmitted and reflected signals over time; estimating a shift in a resonant frequency from a baseline resonant frequency; then calculating a permittivity of the composition, based on the shift; and calculating a phase composition of the multi-phase composition. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims.Type: ApplicationFiled: October 29, 2010Publication date: August 11, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Aparna Chakrapani Sheila-Vadde, Prafull Sharma, Manoj Kumar Koyithitta Meethal, Mandar Diwakar Godbole
-
Patent number: 7337651Abstract: A method for generating a scanplan for inspection of a component is provided. The method includes loading a geometric model of the component and generating the scanplan of the component based on the geometric model and at least one scanning parameter. A method of inspecting a component is also provided and includes loading a geometric model of the component, generating a scanplan of the component based on the geometric model and at least one scanning parameter, mounting the component on an inspection system manipulator and inspecting the component including moving an inspection probe relative to the component using the scanplan.Type: GrantFiled: April 5, 2005Date of Patent: March 4, 2008Assignee: General Electric CompanyInventors: Suneel Tumkur Shankarappa, William Stewart McKnight, Vamshi Krishna Reddy Kommareddy, Ui Won Suh, Mandar Diwakar Godbole, Anjani Narendra Schrad, Prafull Sharma
-
Publication number: 20060224348Abstract: A method for generating a scanplan for inspection of a component is provided. The method includes loading a geometric model of the component and generating the scanplan of the component based on the geometric model and at least one scanning parameter. A method of inspecting a component is also provided and includes loading a geometric model of the component, generating a scanplan of the component based on the geometric model and at least one scanning parameter, mounting the component on an inspection system manipulator and inspecting the component including moving an inspection probe relative to the component using the scanplan.Type: ApplicationFiled: April 5, 2005Publication date: October 5, 2006Inventors: Suneel Shankarappa, William McKnight, Vamshi Kommareddy, Ui Suh, Mandar Godbole, Anjani Schrad, Prafull Sharma