Patents by Inventor Vikas Chandan
Vikas Chandan 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: 11329171Abstract: Methods, systems, and computer program products for user-preference driven control of electrical and thermal output from a photonic energy device are provided herein. A system includes a solar photovoltaic module, and a fluid positioned on the solar photovoltaic module. The system also includes configurable reflective surfaces that collect and distribute direct solar and diffuse solar radiation across multiple portions of the fluid and/or portions of the solar photovoltaic module. Additionally, the reflective surfaces is physically connected to the solar photovoltaic module at an angle that is variable in relation to the surface of the solar photovoltaic module. Further, the system includes a controller that modulates an amount of thermal output and/or electrical power output generated by the solar photovoltaic module by transmitting a signal to adjust at least one variable pertaining to the fluid, and transmitting a signal to adjust at least one variable pertaining to the reflective surfaces.Type: GrantFiled: August 5, 2019Date of Patent: May 10, 2022Assignee: International Business Machines CorporationInventors: Vikas Chandan, Shivkumar Kalyanaraman, Pratyush Kumar, Sukanya Randhawa
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Patent number: 11171599Abstract: Methods, apparatus and systems for tunable photonic harvesting for solar energy conversion and dynamic shading tolerance are provided herein. An apparatus includes a solar photovoltaic module; a sensor device operative to determine portions of the solar photovoltaic module that are underperforming in relation to separate portions; reflective surfaces of a first type, each physically connected to the solar photovoltaic module at a given angle in relation to the surface of the solar photovoltaic module; and reflective surfaces of a second type, each physically connected to a respective one of the reflective surfaces of the first type; wherein the reflective surfaces of the first type and second type are configurable based on a determination of the underperforming portions of the solar photovoltaic module to collect and distributed direct solar radiation and diffuse solar radiation across the solar photovoltaic module to offset the underperforming portions by a given amount.Type: GrantFiled: June 20, 2019Date of Patent: November 9, 2021Assignee: International Business Machines CorporationInventors: Vikas Chandan, Shivkumar Kalyanaraman
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Patent number: 11146209Abstract: Methods, apparatus and systems for tunable photonic harvesting for solar energy conversion and dynamic shading tolerance are provided herein.Type: GrantFiled: June 20, 2019Date of Patent: October 12, 2021Assignee: International Business Machines CorporationInventors: Vikas Chandan, Shivkumar Kalyanaraman
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Patent number: 10490675Abstract: Methods, systems, and computer program products for user-preference driven control of electrical and thermal output from a photonic energy device are provided herein. A computer-implemented method includes automatically modulating an amount of thermal output and/or electrical power output generated by a solar photovoltaic module in response to an input of one or more user preferences by: adjusting at least one variable pertaining to a fluid positioned on the solar photovoltaic module based on the one or more user preferences; and adjusting at least one variable pertaining to one or more reflective surfaces physically connected to the solar photovoltaic module based on the one or more user preferences.Type: GrantFiled: March 1, 2016Date of Patent: November 26, 2019Assignee: International Business Machines CorporationInventors: Vikas Chandan, Shivkumar Kalyanaraman, Pratyush Kumar, Sukanya Randhawa
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Publication number: 20190355853Abstract: Methods, systems, and computer program products for user-preference driven control of electrical and thermal output from a photonic energy device are provided herein. A system includes a solar photovoltaic module, and a fluid positioned on the solar photovoltaic module. The system also includes configurable reflective surfaces that collect and distribute direct solar and diffuse solar radiation across multiple portions of the fluid and/or portions of the solar photovoltaic module. Additionally, the reflective surfaces is physically connected to the solar photovoltaic module at an angle that is variable in relation to the surface of the solar photovoltaic module. Further, the system includes a controller that modulates an amount of thermal output and/or electrical power output generated by the solar photovoltaic module by transmitting a signal to adjust at least one variable pertaining to the fluid, and transmitting a signal to adjust at least one variable pertaining to the reflective surfaces.Type: ApplicationFiled: August 5, 2019Publication date: November 21, 2019Inventors: Vikas Chandan, Shivkumar Kalyanaraman, Pratyush Kumar, Sukanya Randhawa
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Patent number: 10454412Abstract: Methods, apparatus and systems for tunable photonic harvesting for solar energy conversion and dynamic shading tolerance are provided herein. A method includes determining one or more of multiple portions of a solar photovoltaic module that are underperforming in relation to separate portions of the solar photovoltaic module; configuring multiple reflective surfaces to produce a given configuration of the multiple reflective surfaces in relation to a surface of the solar photovoltaic module based on said determining; collecting (i) direct solar radiation and (ii) diffuse solar radiation incident on a plurality of the multiple reflective surfaces; and distributing (i) the collected direct solar radiation and (ii) the collected diffuse solar radiation across the multiple portions of the solar photovoltaic module in a targeted manner based on the given configuration of the multiple reflective surfaces to offset the underperforming portions of the solar photovoltaic module by a given amount.Type: GrantFiled: July 31, 2015Date of Patent: October 22, 2019Assignee: International Business Machines CorporationInventors: Vikas Chandan, Shivkumar Kalyanaraman
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Publication number: 20190305721Abstract: Methods, apparatus and systems for tunable photonic harvesting for solar energy conversion and dynamic shading tolerance are provided herein. An apparatus includes a solar photovoltaic module; a sensor device operative to determine portions of the solar photovoltaic module that are underperforming in relation to separate portions; reflective surfaces of a first type, each physically connected to the solar photovoltaic module at a given angle in relation to the surface of the solar photovoltaic module; and reflective surfaces of a second type, each physically connected to a respective one of the reflective surfaces of the first type; wherein the reflective surfaces of the first type and second type are configurable based on a determination of the underperforming portions of the solar photovoltaic module to collect and distributed direct solar radiation and diffuse solar radiation across the solar photovoltaic module to offset the underperforming portions by a given amount.Type: ApplicationFiled: June 20, 2019Publication date: October 3, 2019Inventors: Vikas Chandan, Shivkumar Kalyanaraman
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Publication number: 20190305722Abstract: Methods, apparatus and systems for tunable photonic harvesting for solar energy conversion and dynamic shading tolerance are provided herein.Type: ApplicationFiled: June 20, 2019Publication date: October 3, 2019Inventors: Vikas Chandan, Shivkumar Kalyanaraman
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Patent number: 10401044Abstract: Methods, systems, and computer program products for thermal management of buildings using intelligent and autonomous set-point adjustments are provided herein. A method includes capturing a user-selected setting that represents a desired balance between (i) energy usage and (ii) thermal comfort associated with a building; capturing, via a communication link with one or more hardware devices associated with thermal management of the building, one or more items of real-time information pertaining to the thermal management of the building; determining one or more set-point temperatures for the building based on (i) the user-selected setting, (ii) the items of real-time information pertaining to the thermal management of the building, and (iii) one or more constraints; and outputting the set-point temperatures to the hardware devices associated with the thermal management of the building for execution of a thermal management schedule to be carried out in accordance with the set-point temperatures.Type: GrantFiled: July 7, 2015Date of Patent: September 3, 2019Assignee: Utopus Insights, Inc.Inventors: Vikas Chandan, Zainul Charbiwala, Rohit Chintala, Sunil Kumar Ghai
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Patent number: 10396581Abstract: Methods, systems, and computer program products for managing peak power consumption for distributed assets are provided herein. A computer-implemented method includes segmenting the multiple distributed assets into groups based on energy demand behavior attributed to each of the assets and user-level constraints, wherein each of the assets is associated with one or more users, and wherein each of the users is associated with one or more organizations of the hierarchy, determining group-level constraints for each of the groups based on correlating the energy demand behavior across the users of the groups, generating a distinct battery charging schedule for each of the groups based on the determined group-level constraints, user-level objectives and organization-level objectives, and outputting the generated battery charging schedule to each of the multiple distributed assets within the hierarchy.Type: GrantFiled: April 6, 2017Date of Patent: August 27, 2019Assignee: International Business Machines CorporationInventors: Vikas Chandan, Pankaj Dayama, Krishnasuri Narayanam
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Patent number: 10222774Abstract: Methods, systems, and computer program products for preventing unauthorized movement of energy across grid networks due to portable storage devices are provided herein. A computer-implemented method includes dividing a portable energy storage device into multiple virtual energy storage sub-units, restricting each of one or more energy charging options to one or more distinct charging modes, restricting each of one or more energy discharging options to one or more distinct discharging modes, mapping, in accordance with one or more pre-defined rules, each respective one of the multiple virtual energy sub-units to at least one of one or more of the distinct charging modes and one or more of the distinct discharging modes, and automatically charging and automatically discharging the portable energy storage device based on the mapping and one or more contextual details.Type: GrantFiled: May 24, 2017Date of Patent: March 5, 2019Assignee: International Business Machines CorporationInventors: Vikas Chandan, Pankaj Dayama, Krishnasuri Narayanam
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Patent number: 10169836Abstract: Methods, systems, and computer program products for ensuring fairness in the operation of thermal grids are provided herein. A computer-implemented method includes generating one or more models derived from information pertaining to a heating and cooling network, wherein the heating and cooling network comprises multiple consumers; categorizing each of the multiple consumers into one of two groups based on (i) one or more objectives of the heating and cooling network, (ii) the one or more generated models, and (iii) one or more constraints; generating a signal to be sent to each of the consumers categorized within a first of the two groups, wherein the signal comprises a temperature set-point adjustment proposal; and outputting the signals to the consumers categorized within the first of the two groups.Type: GrantFiled: June 14, 2016Date of Patent: January 1, 2019Assignee: International Business Machines CorporationInventors: Vijay Arya, Saptarshi Bhattacharya, Vikas Chandan
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Publication number: 20180341239Abstract: Methods, systems, and computer program products for preventing unauthorized movement of energy across grid networks due to portable storage devices are provided herein. A computer-implemented method includes dividing a portable energy storage device into multiple virtual energy storage sub-units, restricting each of one or more energy charging options to one or more distinct charging modes, restricting each of one or more energy discharging options to one or more distinct discharging modes, mapping, in accordance with one or more pre-defined rules, each respective one of the multiple virtual energy sub-units to at least one of one or more of the distinct charging modes and one or more of the distinct discharging modes, and automatically charging and automatically discharging the portable energy storage device based on the mapping and one or more contextual details.Type: ApplicationFiled: May 24, 2017Publication date: November 29, 2018Inventors: Vikas Chandan, Pankaj Dayama, Krishnasuri Narayanam
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Publication number: 20180294665Abstract: Methods, systems, and computer program products for managing peak power consumption for distributed assets are provided herein. A computer-implemented method includes segmenting the multiple distributed assets into groups based on energy demand behavior attributed to each of the assets and user-level constraints, wherein each of the assets is associated with one or more users, and wherein each of the users is associated with one or more organizations of the hierarchy, determining group-level constraints for each of the groups based on correlating the energy demand behavior across the users of the groups, generating a distinct battery charging schedule for each of the groups based on the determined group-level constraints, user-level objectives and organization-level objectives, and outputting the generated battery charging schedule to each of the multiple distributed assets within the hierarchy.Type: ApplicationFiled: April 6, 2017Publication date: October 11, 2018Inventors: Vikas Chandan, Pankaj Dayama, Krishnasuri Narayanam
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Patent number: 10041695Abstract: Methods and arrangements for computing a schedule for central air conditioning. Inputs are received, including: a monetary budget relative to a predetermined time period; an occupancy profile relative to the predetermined time period; and at least one of: electricity rates relative to the predetermined time period, and technical specifications of the central air conditioning. A target indoor temperature is determined based on the received inputs, with respect to different timepoints within the predetermined time period. An air conditioning schedule is determined for the different timepoints within the predetermined time period, wherein this determining includes reducing a quantitative measure relating to discomfort. Other variants and embodiments are broadly contemplated herein.Type: GrantFiled: October 13, 2015Date of Patent: August 7, 2018Assignee: Utopus Insights, Inc.Inventors: Vikas Chandan, Ravi Kothari, Ashish Verma
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Patent number: 9847660Abstract: Methods, systems, and computer program products for managing a picogrid with a computing device are provided herein. A method includes generating one or more power-related models based on (i) data pertaining to a given device battery, (ii) data pertaining to one or more context sources, and (iii) one or more items of power-related historical data; determining a charging schedule for the given device battery to provision power for a picogrid based on the one or more power-related models, wherein said picogrid comprises a set of one or more additional devices connected to (i) the given device and (ii) an energy storage component; and implementing the charging schedule on the given device.Type: GrantFiled: June 4, 2014Date of Patent: December 19, 2017Assignees: International Business Machines Corporation, Universiti Brunei DarussalamInventors: Vikas Chandan, Zainul M. Charbiwala, Tanuja H. Ganu, Sunil Ghai, Sandeep Kalra, Harshad D. Khadilkar, Ming Chee Lim, Devasenapathi P. Seetharamakrish
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Publication number: 20170358038Abstract: Methods, systems, and computer program products for ensuring fairness in the operation of thermal grids are provided herein. A computer-implemented method includes generating one or more models derived from information pertaining to a heating and cooling network, wherein the heating and cooling network comprises multiple consumers; categorizing each of the multiple consumers into one of two groups based on (i) one or more objectives of the heating and cooling network, (ii) the one or more generated models, and (iii) one or more constraints; generating a signal to be sent to each of the consumers categorized within a first of the two groups, wherein the signal comprises a temperature set-point adjustment proposal; and outputting the signals to the consumers categorized within the first of the two groups.Type: ApplicationFiled: June 14, 2016Publication date: December 14, 2017Inventors: Vijay Arya, Saptarshi Bhattacharya, Vikas Chandan
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Publication number: 20170257061Abstract: Methods, systems, and computer program products for user-preference driven control of electrical and thermal output from a photonic energy device are provided herein. A computer-implemented method includes automatically modulating an amount of thermal output and/or electrical power output generated by a solar photovoltaic module in response to an input of one or more user preferences by: adjusting at least one variable pertaining to a fluid positioned on the solar photovoltaic module based on the one or more user preferences; and adjusting at least one variable pertaining to one or more reflective surfaces physically connected to the solar photovoltaic module based on the one or more user preferences.Type: ApplicationFiled: March 1, 2016Publication date: September 7, 2017Inventors: Vikas Chandan, Shivkumar Kalyanaraman, Pratyush Kumar, Sukanya Randhawa
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Patent number: 9709966Abstract: A method to manage operating costs of a combined cooling heating and power (CCHP) plant that includes converting complex models of underlying components of the plant into simplified models (S101), performing an optimization that uses the simplified models as constraints of the optimization to output at least one decision variable (S102), and adjusting controls of the plant based on one or more of the output decision variables (S103).Type: GrantFiled: August 17, 2012Date of Patent: July 18, 2017Assignee: Siemens AktiengesellschaftInventors: Vikas Chandan, Ioannis Akrotirianakis, Amit Chakraborty
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Publication number: 20170102158Abstract: Methods and arrangements for computing a schedule for central air conditioning. Inputs are received, including: a monetary budget relative to a predetermined time period; an occupancy profile relative to the predetermined time period; and at least one of: electricity rates relative to the predetermined time period, and technical specifications of the central air conditioning. A target indoor temperature is determined based on the received inputs, with respect to different timepoints within the predetermined time period. An air conditioning schedule is determined for the different timepoints within the predetermined time period, wherein this determining includes reducing a quantitative measure relating to discomfort. Other variants and embodiments are broadly contemplated herein.Type: ApplicationFiled: October 13, 2015Publication date: April 13, 2017Inventors: Vikas Chandan, Ravi Kothari, Ashish Verma