Patents by Inventor Junho HONG
Junho HONG 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: 11955731Abstract: An electronic device includes a housing including a first plate and a second plate; and a first antenna structure. The first antenna structure includes a board disposed between the first plate and the second plate. The board includes a first surface facing the first plate, a second surface facing the second plate, a plurality of insulating layers stacked on top of each other between the first surface and the second surface, a first conductive layer disposed on the first surface, a second conductive layer disposed on the second surface, a plurality of strips disposed between the plurality of insulating layers, and a plurality of vias connecting at least one or more of the first conductive layer, the second conductive layer, or the plurality of strips to each other and disposed in the plurality of insulating layers.Type: GrantFiled: June 30, 2021Date of Patent: April 9, 2024Assignees: Samsung Electronics Co., Ltd, Postech Research and Business Development FoundationInventors: Yeonwoo Kim, Wonbin Hong, Junho Park, Jaehyun Choi, Sehyun Park, Sumin Yun
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Patent number: 11943236Abstract: Technologies for detecting cyber-attacks against electrical distribution devices include a controller. The controller includes circuitry to determine a first measured value of a first operational parameter of a transformer based upon one or more signals received from one or more sensors of the transformer. The circuitry is also to determine a second measured value of a second operational parameter of the transformer based upon one or more signals received from the one or more sensors of the transformer, calculate a first expected value of the first operational parameter based on the second measured value of the second operational parameter and a model of the transformer that relates the first and second operational parameters, compare the first measured value of the first operational parameter to the first expected value of the first operational parameter, and identify when a difference between the first measured value and the first expected value exceeds a first threshold.Type: GrantFiled: April 26, 2018Date of Patent: March 26, 2024Assignee: HITACHI ENERGY LTDInventors: Reynaldo Nuqui, Junho Hong, David Coats
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Patent number: 11504580Abstract: Disclosed is a posture coaching method for weight training, which includes sensing an exercising motion of a user by a sensor module that is attached to a part of the body of the user or exercise equipment gripped by the user for exercising; calculating an inherent angle of the sensor module and a linear acceleration of each axis of a user-based coordinate system based on the user by using the sensed value; analyzing an exercising posture of the user by detecting and classifying a pattern of the linear acceleration and the inherent angle; and generating exercising posture correction data based on the classified pattern.Type: GrantFiled: August 29, 2019Date of Patent: November 22, 2022Inventors: Junho Hong, Yoon Jin Kim
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Patent number: 11336662Abstract: Technologies for detecting abnormal activities in an electric vehicle charging station include an apparatus. The apparatus includes circuitry configured determine a cyber security threat level for the charging station in which the electric vehicle charger is located. Additionally, the circuitry is configured to perform, as a function of the determined cyber security threat level, a responsive action to protect the charging station from a cyber security threat.Type: GrantFiled: November 21, 2018Date of Patent: May 17, 2022Assignee: ABB Schweiz AGInventors: Junho Hong, Hyojong Lee, Zhenyuan Wang
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Patent number: 11283257Abstract: An example method for detecting and mitigating attacks on electric power substations comprises detecting a command to open or close a circuit breaker in the electric power substation. A modified extended substation model for the electric power substation is generated, based on the detected command and based on measurements in substation, where the modified extended substation model is a power flow model for the substation and for one or more directly connected neighboring substations. A power flow analysis is performed, using the modified extended substation model, to generate a predicted voltage for each of a plurality of nodes in the substation and in the one or more directly connected neighboring substations. Each predicted voltage is compared to a corresponding allowable voltage range, and execution of the command is blocked in response to determining that one or more of the voltages is outside the corresponding allowable voltage range.Type: GrantFiled: August 21, 2018Date of Patent: March 22, 2022Assignee: Hitachi Energy Switzerland AGInventors: Junho Hong, Reynaldo Nuqui
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Patent number: 11101690Abstract: Systems, methods, techniques and apparatuses of DER registration and de-registration are disclosed. One exemplary embodiment is a power distribution system including a distributed energy resource (DER), a DER controller, and a central controller. The DER interface controller includes a DER controller interface configured to communicate with the DER controller using a DER controller native format, an external device interface configured to communicate with the central controller using one of a plurality of communication protocols, a registration circuitry configured to transmit a registration request to the central controller, and a mapping circuitry. The central controller is configured to receive the registration request, and update a DER registry in response receiving the registration request. The mapping circuitry is configured to receive input defining power distribution characteristics in response to the central controller updating the DER registry.Type: GrantFiled: May 31, 2019Date of Patent: August 24, 2021Assignee: ABB Schweiz AGInventors: Junho Hong, Zhenyuan Wang
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Publication number: 20200381940Abstract: Systems, methods, techniques and apparatuses of DER registration and de-registration are disclosed. One exemplary embodiment is a power distribution system including a distributed energy resource (DER), a DER controller, and a central controller. The DER interface controller includes a DER controller interface configured to communicate with the DER controller using a DER controller native format, an external device interface configured to communicate with the central controller using one of a plurality of communication protocols, a registration circuitry configured to transmit a registration request to the central controller, and a mapping circuitry. The central controller is configured to receive the registration request, and update a DER registry in response receiving the registration request. The mapping circuitry is configured to receive input defining power distribution characteristics in response to the central controller updating the DER registry.Type: ApplicationFiled: May 31, 2019Publication date: December 3, 2020Inventors: Junho Hong, Zhenyuan Wang
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Patent number: 10777376Abstract: A system and method for hardware tamper detection and mitigation for a circuit breaker. The method includes detecting and mitigating a breach to a circuit breaker of an electrical power management system, wherein the circuit breaker includes a housing, an electrical circuit, and switch coupled to and controllable by the electrical circuit. An alert identifying a detected breach event at the circuit breaker is generated and transmitted to a computing device. The circuit breaker device experiencing the detected breach event is disabled in response to the alert. An electrical power management system includes a plurality of circuit breakers each having a breach detector coupled to an electrical circuit, and a switch coupled to and controllable by the electrical circuit. A circuit breaker controller controls the state of the circuit breaker as determined by the breach detector.Type: GrantFiled: May 25, 2017Date of Patent: September 15, 2020Assignee: ABB Schweiz AGInventors: Junho Hong, Kee Ho Shin
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Publication number: 20200206568Abstract: Disclosed is a posture coaching method for weight training, which includes sensing an exercising motion of a user by a sensor module that is attached to a part of the body of the user or exercise equipment gripped by the user for exercising; calculating an inherent angle of the sensor module and a linear acceleration of each axis of a user-based coordinate system based on the user by using the sensed value; analyzing an exercising posture of the user by detecting and classifying a pattern of the linear acceleration and the inherent angle; and generating exercising posture correction data based on the classified pattern.Type: ApplicationFiled: August 29, 2019Publication date: July 2, 2020Inventors: Junho Hong, Yoon Jin KIM
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Publication number: 20200162487Abstract: Technologies for detecting abnormal activities in an electric vehicle charging station include an apparatus. The apparatus includes circuitry configured determine a cyber security threat level for the charging station in which the electric vehicle charger is located. Additionally, the circuitry is configured to perform, as a function of the determined cyber security threat level, a responsive action to protect the charging station from a cyber security threat.Type: ApplicationFiled: November 21, 2018Publication date: May 21, 2020Inventors: Junho Hong, Hyojong Lee, Zhenyuan Wang
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Patent number: 10622805Abstract: Unique systems, methods, techniques and apparatuses of a power grid control system. One exemplary embodiment is a nested microgrid system comprising a first microgrid including a network controller, a second microgrid, a third microgrid, a first restoration path selectively coupled between the second portion of the first microgrid and the second microgrid, and a second restoration path selectively coupled between the second portion of the first microgrid and the third microgrid. The network controller is configured isolate the first portion of the first microgrid from the second portion of the first microgrid, calculate weighting factors for the first and second restoration paths, select the first restoration path using the first weighting factor and the second weighting factor, and couple the second portion of the first microgrid to the second microgrid using the first restoration path.Type: GrantFiled: August 1, 2017Date of Patent: April 14, 2020Assignee: ABB SCHWEIZ AGInventors: Dmitry Ishchenko, Junho Hong, Anil Kondabathini, Abrez Mondal
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Publication number: 20200106301Abstract: Systems, methods, techniques and apparatuses of nested microgrids are disclosed. One exemplary embodiment is a method for removing false data in a nested microgrid system, the method comprising: calculating a first local state estimation using a first plurality of local measurements and a second local state estimation using a second plurality of local measurements; calculating, with a central control system, a plurality of global state estimations including a first global state estimation a second global state estimation; performing a first false data detection test using the first local state estimation and one global state estimation of the plurality of global state estimations; performing a second false data detection test using the first global state estimation and the second global state estimation; detecting false data; and updating the first global state estimation, the second global state estimation, or the first local state estimation in response to detecting the false data.Type: ApplicationFiled: October 1, 2018Publication date: April 2, 2020Inventors: Junho Hong, Dmitry Ishchenko, Reynaldo Nuqui
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Patent number: 10483754Abstract: Unique systems, methods, techniques and apparatuses of a power grid control system. One exemplary embodiment is a microgrid comprising a plurality of switching devices, a plurality of distribution line segments, a plurality of measuring devices, each measuring device corresponding to one of the plurality of switching devices, and a network controller. The network controller is configured to: receive measurements from the plurality of measurement devices, determine a fault is occurring within the microgrid using the measurements, assign a topology classification to each of the plurality of distribution line segments, assign a proximity classification to each of the plurality of distribution line segments, determine fault location using the topology classification and the proximity classification, and isolate the fault by transmitting open commands to the two switching devices of the plurality of switching devices closest to the fault.Type: GrantFiled: July 20, 2017Date of Patent: November 19, 2019Assignee: ABB Schweiz AGInventors: Junho Hong, Anil Kondabathini, Dmitry Ishchenko
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Publication number: 20190334932Abstract: Technologies for detecting cyber-attacks against electrical distribution devices include a controller. The controller includes circuitry to determine a first measured value of a first operational parameter of a transformer based upon one or more signals received from one or more sensors of the transformer. The circuitry is also to determine a second measured value of a second operational parameter of the transformer based upon one or more signals received from the one or more sensors of the transformer, calculate a first expected value of the first operational parameter based on the second measured value of the second operational parameter and a model of the transformer that relates the first and second operational parameters, compare the first measured value of the first operational parameter to the first expected value of the first operational parameter, and identify when a difference between the first measured value and the first expected value exceeds a first threshold.Type: ApplicationFiled: April 26, 2018Publication date: October 31, 2019Inventors: Reynaldo Nuqui, Junho Hong, David Coats
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Patent number: 10412200Abstract: Unique systems, methods, techniques and apparatuses of a configurable extended interface device are disclosed.Type: GrantFiled: October 13, 2017Date of Patent: September 10, 2019Assignee: ABB Schweiz AGInventors: Junho Hong, Anil Kondabathini, Dmitry Ishchenko
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Patent number: 10305932Abstract: Unique systems, methods, techniques and apparatuses of a substation phasor data concentrator (ssPDC) is disclosed herein. One exemplary embodiment is a method for operating an electrical substation including a merging unit (MU), a phasor measurement unit (PMU), and a substation phasor data concentrator (ssPDC).Type: GrantFiled: December 21, 2016Date of Patent: May 28, 2019Assignee: ABB Inc.Inventors: Junho Hong, Reynaldo Nuqui
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Publication number: 20190116245Abstract: Unique systems, methods, techniques and apparatuses of a configurable extended interface device are disclosed.Type: ApplicationFiled: October 13, 2017Publication date: April 18, 2019Inventors: Junho Hong, Anil Kondabathini, Dmitry Ishchenko
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Publication number: 20190006837Abstract: An example method for detecting and mitigating attacks on electric power substations comprises detecting a command to open or close a circuit breaker in the electric power substation. A modified extended substation model for the electric power substation is generated, based on the detected command and based on measurements in substation, where the modified extended substation model is a power flow model for the substation and for one or more directly connected neighboring substations. A power flow analysis is performed, using the modified extended substation model, to generate a predicted voltage for each of a plurality of nodes in the substation and in the one or more directly connected neighboring substations. Each predicted voltage is compared to a corresponding allowable voltage range, and execution of the command is blocked in response to determining that one or more of the voltages is outside the corresponding allowable voltage range.Type: ApplicationFiled: August 21, 2018Publication date: January 3, 2019Inventors: Junho Hong, Reynaldo Nuqui
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Publication number: 20180342360Abstract: A system and method for hardware tamper detection and mitigation for a circuit breaker. The method includes detecting and mitigating a breach to a circuit breaker of an electrical power management system, wherein the circuit breaker includes a housing, an electrical circuit, and switch coupled to and controllable by the electrical circuit. An alert identifying a detected breach event at the circuit breaker is generated and transmitted to a computing device. The circuit breaker device experiencing the detected breach event is disabled in response to the alert. An electrical power management system includes a plurality of circuit breakers each having a breach detector coupled to an electrical circuit, and a switch coupled to and controllable by the electrical circuit. A circuit breaker controller controls the state of the circuit breaker as determined by the breach detector.Type: ApplicationFiled: May 25, 2017Publication date: November 29, 2018Inventors: Junho Hong, Kee Ho Shin
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Publication number: 20180316184Abstract: Unique systems, methods, techniques and apparatuses of a power grid control system. One exemplary embodiment is a microgrid comprising a plurality of switching devices, a plurality of distribution line segments, a plurality of measuring devices, each measuring device corresponding to one of the plurality of switching devices, and a network controller. The network controller is configured to: receive measurements from the plurality of measurement devices, determine a fault is occurring within the microgrid using the measurements, assign a topology classification to each of the plurality of distribution line segments, assign a proximity classification to each of the plurality of distribution line segments, determine fault location using the topology classification and the proximity classification, and isolate the fault by transmitting open commands to the two switching devices of the plurality of switching devices closest to the fault.Type: ApplicationFiled: July 20, 2017Publication date: November 1, 2018Inventors: Junho Hong, Anil Kondabathini, Dmitry Ishchenko