Patents by Inventor Vivek Venugopal Badami
Vivek Venugopal Badami 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).
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Patent number: 9657588Abstract: A system for monitoring health of a rotor is presented. The system includes a processing subsystem that generates a measurement matrix based upon a plurality of resonant-frequency first delta times of arrival vectors corresponding to a blade and a first sensing device, and a plurality of resonant-frequency second delta times of arrival vectors corresponding to the blade and a second sensing device, generates a resonant matrix based upon the measurement matrix such that entries in the resonant matrix are substantially linearly uncorrelated and linearly independent, and generates a resonance signal using a first subset of the entries of the resonant matrix, wherein the resonance signal substantially comprises common observations and components of the plurality of resonant-frequency first delta times of arrival vectors and the plurality of resonant-frequency second delta times of arrival vectors.Type: GrantFiled: December 26, 2013Date of Patent: May 23, 2017Assignee: General Electric CompanyInventors: Mahesh Raveendranatha Panicker, Ajay Kumar Behera, Venkatesh Rajagopalan, Venkatarao Ryali, Vivek Venugopal Badami, Budhaditya Hazra
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Patent number: 9494490Abstract: A creep life management system includes at least one sensor apparatus coupled to a first component. The at least one sensor apparatus is configured with a unique identifier. The creep life management system also includes at least one reader unit coupled to a second component. The at least one reader unit is configured to transmit an interrogation request signal to the at least one sensor apparatus and receive a measurement response signal transmitted from the at least one sensor apparatus. The creep life management system further includes at least one processor programmed to determine a real-time creep profile of the first component as a function of the measurement response signal transmitted from the at least one sensor apparatus.Type: GrantFiled: August 14, 2012Date of Patent: November 15, 2016Assignee: General Electric CompanyInventors: Nilesh Tralshawala, Harold Edward Miller, Vivek Venugopal Badami, Sameer Vittal, Daniel White Sexton
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Patent number: 9482579Abstract: Various embodiments include systems and apparatuses adapted for detecting two-dimensional turbomachine exhaust temperature. In some embodiments, a system includes a two-dimensional grid sized to mount within an exhaust path of a gas turbomachine, a radiation detection device for detecting radiation emitted from the two-dimensional grid at a plurality of points on the two-dimensional grid, the radiation detection device being mountable proximate the exhaust path and the two-dimensional grid and at least one computing device connected with the radiation detection device, the at least one computing device configured to generate a planar map of the temperature of the exhaust from the gas turbomachine based upon the intensity of the radiation emitted from two-dimensional grid detected at the plurality of points on the two-dimensional grid.Type: GrantFiled: September 3, 2013Date of Patent: November 1, 2016Assignee: General Electric CompanyInventors: Vivek Venugopal Badami, Daniel Francesco Driscoll, Scott Francis Johnson, Paul Joseph Martin, Nilesh Tralshawala, Guanghua Wang
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Patent number: 9250153Abstract: A system is disclosed. The system includes a processing subsystem that determines preliminary voltages corresponding to a plurality of blades based upon blade passing signals (BPS), and generates a plurality of clearance values by normalizing the preliminary voltages for effects of one or more operational parameters, wherein the plurality of clearance values are representative of clearance of the plurality of blades.Type: GrantFiled: October 31, 2012Date of Patent: February 2, 2016Assignee: General Electric CompanyInventors: Rahul Srinivas Prabhu, Mahalakshmi Shunmugam Balasubramaniam, Ajay Kumar Behera, Aninda Bhattacharya, Venkatesh Rajagopalan, Prashanth D'Souza, Vivek Venugopal Badami
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Patent number: 9250056Abstract: A method is presented. The method includes the steps of generating rotation signals corresponding to a plurality of rotations of a rotor physically coupled to a plurality of blades, and determining peak voltages corresponding to the plurality of blades by applying time synchronous averaging technique to blade passing signals using the rotation signals, wherein the peak voltages are representative of clearances of the plurality of blades.Type: GrantFiled: December 31, 2012Date of Patent: February 2, 2016Assignee: General Electric CompanyInventors: Prashanth D'Souza, Vivek Venugopal Badami, Rahul Srinivas Prabhu, Mahalakshmi Shunmugam Balasubramaniam, Ajay Kumar Behera, Aninda Bhattacharya, Venkatesh Rajagopalan
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Patent number: 9250136Abstract: A pyrometry imaging system for monitoring a high-temperature asset which includes at least one component is provided. The system includes a lens element in optical communication with the at least one component. The lens element is configured to receive at least a portion of thermal radiation emitted from the at least one component. The system also includes a view limiting device positioned between the lens element and a dispersive element. The dispersive element is configured to split the at least a portion of thermal radiation emitted into a plurality of wavelengths. The system further includes at least one camera device in optical communication with the dispersive element. The at least one camera device is configured to receive at least one wavelength from the dispersive element.Type: GrantFiled: August 29, 2014Date of Patent: February 2, 2016Assignee: General Electric CompanyInventors: Jonas Patrik Richard Gustavsson, Vivek Venugopal Badami, Nilesh Tralshawala, Jordi Estevadeordal
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Patent number: 9200982Abstract: Various embodiments of the invention include a system having: at least one computing device connected with an array of ultrasonic probes on a gas turbomachine component, the at least one computing device configured to: instruct a first probe in the array of ultrasonic probes to transmit an ultrasonic beam to at least one additional probe in the array of ultrasonic probes; and determine a property of a medium between the first probe and the at least one additional probe based upon a time between transmission of the ultrasonic beam from the first probe and reception of the ultrasonic beam at the at least one additional probe.Type: GrantFiled: July 2, 2013Date of Patent: December 1, 2015Assignee: General Electric CompanyInventors: Sascha Schieke, Vivek Venugopal Badami, Achalesh Kumar Pandey
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Patent number: 9194758Abstract: Systems and methods of estimating an efficiency of a section of a steam turbine are disclosed. The systems and methods include determining a set of measurement data obtained directly from a set of sensors on the steam turbine, determining a set of derived data relating to measurements that cannot be obtained directly from the set of sensors, and estimating the efficiency of the section using the set of measurement data and the set of derived data. The systems and methods disclosed use physics-based models combined with nonlinear filtering techniques to estimate steam turbines' efficiencies when physical sensors are not available. These models capture the behavior of different components of the power plant, including all steam turbine sections, admission and crossover pipes, flow junctions, admission and control valves.Type: GrantFiled: June 20, 2011Date of Patent: November 24, 2015Assignee: General Electric CompanyInventors: Maria Cecilia Mazzaro, Fernando Javier D'Amato, Jitendra Kumar, Vivek Venugopal Badami, Mahalakshmi Shunmugham Balasubramaniam, Roopesh Bhaskaran Nagathil
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Patent number: 9146266Abstract: A system for monitoring equipment and transmitting data and/or signals from one or more satellite nodes to a base node for transmission to a monitor or controller for the equipment. The system may transmit high frequency acoustic signals from one or more satellite nodes embedded in the equipment through a structural component of the equipment to the base node, eliminating the need to hardwire the satellite nodes in harsh environments.Type: GrantFiled: November 28, 2012Date of Patent: September 29, 2015Assignee: General Electric CompanyInventor: Vivek Venugopal Badami
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Patent number: 9103741Abstract: Methods, systems and computer program products for assessing residual life of an airfoil, which would experience high cycle fatigue failure under at- or near-resonance vibration condition, are provided. The method includes receiving, at a processing system, at least one vibration response parameter associated with the airfoil. The method processes at least one cracked airfoil finite element model. Processing the cracked airfoil finite element model includes accessing the cracked airfoil finite element model, computing a modal stress intensity factor (SIF) of the cracked airfoil finite element model using fracture mechanics based finite element analysis, and computing a vibratory SIF based, at least in part, on the modal SIF and the at least one vibration response parameter. The method then computes a residual life indicator of the airfoil based, at least in part, on the vibratory SIF.Type: GrantFiled: August 27, 2010Date of Patent: August 11, 2015Assignee: General Electric CompanyInventors: Sanghum Baik, Vivek Venugopal Badami, Yogesh Kesrinath Potdar, Adrian G Loghin, Nuo Sheng
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Publication number: 20150184536Abstract: A system for monitoring health of a rotor is presented. The system includes a processing subsystem that generates a measurement matrix based upon a plurality of resonant-frequency first delta times of arrival vectors corresponding to a blade and a first sensing device, and a plurality of resonant-frequency second delta times of arrival vectors corresponding to the blade and a second sensing device, generates a resonant matrix based upon the measurement matrix such that entries in the resonant matrix are substantially linearly uncorrelated and linearly independent, and generates a resonance signal using a first subset of the entries of the resonant matrix, wherein the resonance signal substantially comprises common observations and components of the plurality of resonant-frequency first delta times of arrival vectors and the plurality of resonant-frequency second delta times of arrival vectors.Type: ApplicationFiled: December 26, 2013Publication date: July 2, 2015Applicant: General Electric CompanyInventors: Mahesh Raveendranatha Panicker, Ajay Kumar Behera, Venkatesh Rajagopalan, Venkatarao Ryali, Vivek Venugopal Badami, Budhaditya Hazra
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Publication number: 20150184533Abstract: A system for monitoring health of a rotor is presented. The system includes a processing subsystem that generates a plurality of frequency peak values corresponding to two or more respective windows of signals by iteratively shifting the two or more respective windows of signals along delta times of arrival signals corresponding to a blade in the rotor, determines one or more resonant-frequency rotor speeds ranges of the blade by identifying rotor speeds corresponding to a subset of the plurality of frequency peak values, and monitors the blade to determine a presence of one or more defects in the blade during the resonant-frequency rotor speeds regions.Type: ApplicationFiled: December 26, 2013Publication date: July 2, 2015Applicant: General Electric CompanyInventors: Mahesh Raveendranatha Panicker, Ajay Kumar Behera, Venkatesh Rajagopalan, Venkatarao Ryali, Vivek Venugopal Badami, Budhaditya Hazra
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Patent number: 9045999Abstract: In one embodiment, a blade monitoring system includes: at least one computing device configured to monitor a compressor during a load change by performing actions comprising: extracting a dynamic component of a blade time-of-arrival (TOA) deviation signal in response to the load change on the compressor; calculating, using the dynamic component, at least one of: a natural frequency of the GT compressor blade during the load change, an overshoot of the GT compressor blade during the load change, a rise time of the compressor blade during the load change, a damping factor of the compressor blade during the load change, or a settling time of the GT compressor blade after the load change; and determining whether the GT compressor blade is damaged based upon the at least one of: the natural frequency, the overshoot, the rise time, the damping factor, or the settling time.Type: GrantFiled: May 28, 2010Date of Patent: June 2, 2015Assignee: General Electric CompanyInventor: Vivek Venugopal Badami
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Publication number: 20150081229Abstract: A system including: at least one computing device configured to monitor a compressor blade in a turbomachine by: extracting time of arrival (TOA) data about the compressor blade at a defined interval; correlating turbomachine operating conditions with the TOA data; extracting resonance data about the compressor blade during startup or shutdown of the turbomachine, and extracting static deflection and tip clearance data about the compressor blade during steady state operation of the turbomachine; creating a baseline compressor blade comparison level based upon the extracted resonance data, extracted static deflection and tip clearance data, and correlation between the turbomachine operating conditions and the TOA data; and iteratively extracting updated TOA data and performing the correlating, the extracting of the resonance data, static deflection and tip clearance data using the updated TOA data at the defined interval to create an updated baseline compressor blade comparison level.Type: ApplicationFiled: September 16, 2013Publication date: March 19, 2015Applicant: General Electric CompanyInventors: Lijie Yu, Adil Ansari, Vivek Venugopal Badami, John Thomas Bliss, Rahul Chadha, Rajan Gupta
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Publication number: 20150063412Abstract: Various embodiments include systems and apparatuses adapted for detecting two-dimensional turbomachine exhaust temperature. In some embodiments, a system includes a two-dimensional grid sized to mount within an exhaust path of a gas turbomachine, a radiation detection device for detecting radiation emitted from the two-dimensional grid at a plurality of points on the two-dimensional grid, the radiation detection device being mountable proximate the exhaust path and the two-dimensional grid and at least one computing device connected with the radiation detection device, the at least one computing device configured to generate a planar map of the temperature of the exhaust from the gas turbomachine based upon the intensity of the radiation emitted from two-dimensional grid detected at the plurality of points on the two-dimensional grid.Type: ApplicationFiled: September 3, 2013Publication date: March 5, 2015Applicant: General Electric CompanyInventors: Vivek Venugopal Badami, Daniel Francesco Driscoll, Scott Francis Johnson, Paul Joseph Martin, Nilesh Tralshawala, Guanghua Wang
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Publication number: 20150007641Abstract: Various embodiments of the invention include a system having: at least one computing device connected with an array of ultrasonic probes on a gas turbomachine component, the at least one computing device configured to: instruct a first probe in the array of ultrasonic probes to transmit an ultrasonic beam to at least one additional probe in the array of ultrasonic probes; and determine a property of a medium between the first probe and the at least one additional probe based upon a time between transmission of the ultrasonic beam from the first probe and reception of the ultrasonic beam at the at least one additional probe.Type: ApplicationFiled: July 2, 2013Publication date: January 8, 2015Applicant: General Electric CompanyInventors: Sascha Schieke, Vivek Venugopal Badami, Achalesh Kumar Pandey
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Publication number: 20140188430Abstract: A method is presented. The method includes the steps of generating rotation signals corresponding to a plurality of rotations of a rotor physically coupled to a plurality of blades, and determining peak voltages corresponding to the plurality of blades by applying time synchronous averaging technique to blade passing signals using the rotation signals, wherein the peak voltages are representative of clearances of the plurality of blades.Type: ApplicationFiled: December 31, 2012Publication date: July 3, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Prashanth D'Souza, Vivek Venugopal Badami, Rahul Srinivas Prabhu, Mahalakshmi Shunmugam Balasubramaniam, Ajay Kumar Behera, Aninda Bhattacharya, Venkatesh Rajagopalan
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Publication number: 20140144257Abstract: A system for monitoring equipment and transmitting data and/or signals from one or more satellite nodes to a base node for transmission to a monitor or controller for the equipment. The system may transmit high frequency acoustic signals from one or more satellite nodes embedded in the equipment through a structural component of the equipment to the base node, eliminating the need to hardwire the satellite nodes in harsh environments.Type: ApplicationFiled: November 28, 2012Publication date: May 29, 2014Applicant: General Electric CompanyInventor: Vivek Venugopal Badami
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Patent number: 8718953Abstract: A method for monitoring the health of one or more blades is presented. The method includes the steps of generating a signal representative of delta times of arrival corresponding to the rotating blade, generating a reconstructed signal by decomposing the signal representative of the delta times of arrival utilizing a multi-resolution analysis technique, wherein the reconstructed signal is representative of at least one of static deflection and dynamic deflection in the rotating blade.Type: GrantFiled: April 28, 2011Date of Patent: May 6, 2014Assignee: General Electric CompanyInventors: Venkatesh Rajagopalan, Vivek Venugopal Badami, Rahul Srinivas Prabhu, Ajay Kumar Behera, Aninda Bhattacharya
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Publication number: 20140119889Abstract: A system is disclosed. The system includes a processing subsystem that determines preliminary voltages corresponding to a plurality of blades based upon blade passing signals (BPS), and generates a plurality of clearance values by normalizing the preliminary voltages for effects of one or more operational parameters, wherein the plurality of clearance values are representative of clearance of the plurality of blades.Type: ApplicationFiled: October 31, 2012Publication date: May 1, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Rahul Srinivas Prabhu, Mahalakshmi Shunmugam Balasubramaniam, Ajay Kumar Behera, Aninda Bhattacharya, Venkatesh Rajagopalan, Prashanth D'Souza, Vivek Venugopal Badami