Patents by Inventor Tsuyoshi Takeuchi
Tsuyoshi Takeuchi 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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Publication number: 20220170987Abstract: Provided is an abnormality diagnosis device capable of diagnosing an abnormality of a motor without setting many parameters. An abnormality diagnosis device includes a current measuring unit that measures a load current of the motor; a frequency analyzing unit that performs frequency analysis of the load current; and a deterioration degree calculating unit that calculates a degree of deterioration by adding up a preset number of intensity values from top in a preset frequency range.Type: ApplicationFiled: January 24, 2020Publication date: June 2, 2022Inventors: Toru MATSUMOTO, Takahiro SATO, Tomohiro YAMADA, Koji YOKOTA, Ryohei TAKATANI, Tsuyoshi TAKEUCHI, Ryo IKEUCHI
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Patent number: 11009559Abstract: An insertion determination unit (16) for precisely calculating a ground insulation resistance component of a leakage current regardless of the presence or absence of an inverter determines whether an inverter (3) is inserted between a commercial power system (2) and a three-phase motor (5). A resistance component leakage current calculation unit (18) calculates a ground insulation resistance component of a leakage current on the basis of a calculation procedure corresponding to the result of the above determination.Type: GrantFiled: February 19, 2018Date of Patent: May 18, 2021Assignee: OMRON CorporationInventors: Takuya Fukudome, Tsuyoshi Takeuchi, Koji Yokota, Tomohiro Yamada
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Patent number: 10782359Abstract: A resistance leakage current calculating part calculates an insulation resistance-to-ground leakage current corresponding to a system frequency of a commercial power system, which flows through an insulation resistance-to-ground of a three-phase motor between the three-phase motor and the ground on the basis of a center of a circle which is described by specific points which are specified by a leakage current component and a phase difference which are extracted and calculated at three or more different time points. Accordingly, when the system frequency of the commercial power system and an operating frequency of an inverter device are the same, it is possible to accurately calculate an insulation resistance-to-ground leakage current corresponding to the system frequency.Type: GrantFiled: November 21, 2016Date of Patent: September 22, 2020Assignee: OMRON CorporationInventors: Tsuyoshi Takeuchi, Takanori Kuwahara
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Patent number: 10727357Abstract: A defect number determination unit determines whether or not a solar cell string is defective in a plurality of positions on the basis of whether or not a combined impedance found from impedances in the case where an inspection signal is applied to a P terminal and an N terminal of the solar cell string deviates from a reference impedance by greater than or equal to a predetermined threshold.Type: GrantFiled: October 18, 2017Date of Patent: July 28, 2020Assignee: OMRON CorporationInventors: Tsuyoshi Takeuchi, Akihiko Sano, Kohei Tomita
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Publication number: 20200200832Abstract: A resistance leakage current calculating part calculates an insulation resistance-to-ground leakage current corresponding to a system frequency of a commercial power system, which flows through an insulation resistance-to-ground of a three-phase motor between the three-phase motor and the ground on the basis of a center of a circle which is described by specific points which are specified by a leakage current component and a phase difference which are extracted and calculated at three or more different time points. Accordingly, when the system frequency of the commercial power system and an operating frequency of an inverter device are the same, it is possible to accurately calculate an insulation resistance-to-ground leakage current corresponding to the system frequency.Type: ApplicationFiled: November 21, 2016Publication date: June 25, 2020Applicant: OMRON CorporationInventors: Tsuyoshi TAKEUCHI, Takanori KUWAHARA
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Patent number: 10558048Abstract: A game system 100 to which an image display system is applied contains a head-mounted display 300 having a camera for capturing a real world and a display for displaying video information obtained by integrating real-world video information captured by the capturing part with virtual-world video information, a motion sensor 400 for detecting movement of a body of a wearer wearing the head-mounted display 300 as movement information and a marker 200 used for detecting position information of the wearer. The game system 100 controls the virtual-world video information based on the movement information and the position information. According to this configuration, it is possible to control the video information displayed on the head-mounted display according to the position and the movement of the wearer. Further, the present invention provides a method for controlling the image display system, an image distribution system and a head-mounted display.Type: GrantFiled: February 16, 2016Date of Patent: February 11, 2020Assignee: MELEAP INC.Inventors: Hiroshi Fukuda, Hitoshi Araki, Takuma Motoki, Naoki Ota, Tsuyoshi Takeuchi
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Publication number: 20200003820Abstract: An insertion determination unit (16) for precisely calculating a ground insulation resistance component of a leakage current regardless of the presence or absence of an inverter determines whether an inverter (3) is inserted between a commercial power system (2) and a three-phase motor (5). A resistance component leakage current calculation unit (18) calculates a ground insulation resistance component of a leakage current on the basis of a calculation procedure corresponding to the result of the above determination.Type: ApplicationFiled: February 19, 2018Publication date: January 2, 2020Applicant: OMRON CorporationInventors: Takuya FUKUDOME, Tsuyoshi TAKEUCHI, Koji YOKOTA, Tomohiro YAMADA
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Patent number: 10509068Abstract: A bypass diode with a disconnection fault is identified. A test device includes: a signal introduction circuit that applies a disconnection position identification signal to between a positive electrode and a negative electrode of a solar battery string; and a fault calculating part that identifies the bypass diode with a disconnection fault on the basis of an AC component of a voltage between a frame ground and the positive electrode or an AC component of a voltage between the frame ground and the negative electrode when the disconnection position identification signal is applied.Type: GrantFiled: February 3, 2016Date of Patent: December 17, 2019Assignee: OMRON CorporationInventors: Tsuyoshi Takeuchi, Shuichi Misumi, Akihiko Sano
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Publication number: 20190288642Abstract: The disclosure provides an I-V curve measurement device for providing a user with an I-V curve suitable for judging the state of a solar cell array. The I-V curve measurement device includes a measuring unit for measuring the I-V curve of the solar cell array while lowering an output voltage of the solar cell array and then measuring a short-circuit current of the solar cell array when measurement of the I-V curve is instructed; and an outputting unit for outputting a measurement result of the I-V curve obtained by the measuring unit when the short-circuit current measured by the measuring unit exceeds a predetermined current and outputting information indicating that illuminance is insufficient when the short-circuit current measured by the measuring unit is equal to or less than the predetermined current.Type: ApplicationFiled: January 16, 2019Publication date: September 19, 2019Applicant: OMRON CorporationInventors: Makoto OHASHI, Akihiko SANO, Yoshihiko YAMAGUCHI, Tsuyoshi TAKEUCHI
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Patent number: 10374548Abstract: A storage unit stores a defect correlation table indicating what influence a given type of defect will have on the inspection of the other types of defects. When an obtainment unit obtains an inspection result of inspecting for a defect, an influence determination unit refers to the defect correlation table and determines the influence of the other types of defects on the inspection result. Information pertaining to the determined influence is outputted via an output unit.Type: GrantFiled: October 19, 2017Date of Patent: August 6, 2019Assignee: OMRON CorporationInventors: Akihiko Sano, Kohei Tomita, Tsuyoshi Takeuchi, Takuya Nakai, Akihiro Funamoto
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Publication number: 20190190444Abstract: A solar cell array inspection system includes a measurement part configured to measure a characteristic curve which is an I-V curve or a P-V curve of a solar cell array including a plurality of strings when a current from each of the strings is input through a blocking diode; and a determination part configured to search for an inflection point in the characteristic curve measured by the measurement part, determine whether the state of the solar cell array is an abnormal state in which at least one string has an abnormality based on the results of searching for an inflection point, and notify a user of the determination result.Type: ApplicationFiled: October 17, 2018Publication date: June 20, 2019Applicant: OMRON CorporationInventors: Akihiko SANO, Makoto OHASHI, Yoshihiko YAMAGUCHI, Tsuyoshi TAKEUCHI
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Patent number: 10305424Abstract: A solar photovoltaic system inspection apparatus sequentially applies AC inspection signals to a positive electrode and a negative electrode of a solar cell string, and is provided with: an impedance calculation unit configured to measure an indicator value when the signal is applied to the positive electrode, and an indicator value when the signal is applied to the negative electrode, the indicator values varying depending on the number of solar cell modules from the terminal to which the inspection signal was applied to a failure position; and a control unit configured to obtain the failure position based on the ratio of the indicator value measured when the inspection signal was applied to the positive electrode, to the indicator value measured when the inspection signal was applied to the negative electrode.Type: GrantFiled: October 16, 2015Date of Patent: May 28, 2019Assignee: OMRON CorporationInventors: Tsuyoshi Takeuchi, Shuichi Misumi, Akihiko Sano, Kosuke Morita
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Publication number: 20190025595Abstract: A game system 100 to which an image display system is applied contains a head-mounted display 300 having a camera for capturing a real world and a display for displaying video information obtained by integrating real-world video information captured by the capturing part with virtual-world video information, a motion sensor 400 for detecting movement of a body of a wearer wearing the head-mounted display 300 as movement information and a marker 200 used for detecting position information of the wearer. The game system 100 controls the virtual-world video information based on the movement information and the position information. According to this configuration, it is possible to control the video information displayed on the head-mounted display according to the position and the movement of the wearer. Further, the present invention provides a method for controlling the image display system, an image distribution system and a head-mounted display.Type: ApplicationFiled: February 16, 2016Publication date: January 24, 2019Inventors: Hiroshi FUKUDA, Hitoshi ARAKI, Takuma MOTOKI, Naoki OTA, Tsuyoshi TAKEUCHI
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Publication number: 20180172751Abstract: A bypass diode with a disconnection fault is identified. A test device includes: a signal introduction circuit that applies a disconnection position identification signal to between a positive electrode and a negative electrode of a solar battery string; and a fault calculating part that identifies the bypass diode with a disconnection fault on the basis of an AC component of a voltage between a frame ground and the positive electrode or an AC component of a voltage between the frame ground and the negative electrode when the disconnection position identification signal is applied.Type: ApplicationFiled: February 3, 2016Publication date: June 21, 2018Applicant: OMRON CorporationInventors: Tsuyoshi TAKEUCHI, Shuichi MISUMI, Akihiko SANO
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Publication number: 20180167029Abstract: A storage unit stores a defect correlation table indicating what influence a given type of defect will have on the inspection of the other types of defects. When an obtainment unit obtains an inspection result of inspecting for a defect, an influence determination unit refers to the defect correlation table and determines the influence of the other types of defects on the inspection result. Information pertaining to the determined influence is outputted via an output unit.Type: ApplicationFiled: October 19, 2017Publication date: June 14, 2018Applicant: OMRON CorporationInventors: Akihiko SANO, Kohei TOMITA, Tsuyoshi TAKEUCHI, Takuya NAKAI, Akihiro FUNAMOTO
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Publication number: 20180166589Abstract: A defect number determination unit determines whether or not a solar cell string is defective in a plurality of positions on the basis of whether or not a combined impedance found from impedances in the case where an inspection signal is applied to a P terminal and an N terminal of the solar cell string deviates from a reference impedance by greater than or equal to a predetermined threshold.Type: ApplicationFiled: October 18, 2017Publication date: June 14, 2018Applicant: OMRON CorporationInventors: Tsuyoshi TAKEUCHI, Akihiko SANO, Kohei TOMITA
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Publication number: 20170310276Abstract: A solar photovoltaic system inspection apparatus sequentially applies AC inspection signals to a positive electrode and a negative electrode of a solar cell string, and is provided with: an impedance calculation unit configured to measure an indicator value when the signal is applied to the positive electrode, and an indicator value when the signal is applied to the negative electrode, the indicator values varying depending on the number of solar cell modules from the terminal to which the inspection signal was applied to a failure position; and a control unit configured to obtain the failure position based on the ratio of the indicator value measured when the inspection signal was applied to the positive electrode, to the indicator value measured when the inspection signal was applied to the negative electrode.Type: ApplicationFiled: October 16, 2015Publication date: October 26, 2017Applicant: OMRON CorporationInventors: Tsuyoshi TAKEUCHI, Shuichi MISUMI, Akihiko SANO, Kosuke MORITA
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Patent number: 9026340Abstract: An air-fuel ratio control system of an internal combustion engine comprises a fuel amount determiner for determining a fuel command value. The fuel amount determiner has a feedback control mode in which the fuel amount determiner determines a running state reference coefficient corresponding to a running state detected by a running state detector based on a first correspondence stored in the memory, determines a running state compensation coefficient corresponding to the running state detected by the running state detector based on a second correspondence stored in the memory, determines a feedback compensation coefficient used to cause an air-fuel ratio to reach a value closer to a theoretical air-fuel ratio based on an output of the air-fuel ratio sensor, and determines the fuel command value using a formula including the determined running state reference coefficient, the determined running state compensation coefficient, and the determined feedback compensation coefficient.Type: GrantFiled: December 23, 2011Date of Patent: May 5, 2015Assignee: Kawasaki Jukogyo Kabushiki KaishaInventors: Shinichi Kuratani, Tsuyoshi Takeuchi, Kozo Suzuki, Takashi Abe, Yoshinobu Mori, Daisuke Yanase
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Patent number: 8856761Abstract: An instruction processing method includes generating a translated code block for an instruction, among instructions included in a target program to be executed and for which a number of executions through sequential interpretation is greater than or equal to a threshold, and storing the generated translated code block in a first storage unit and removing part or all of the translated code block from the first storage unit at a given timing, wherein the generating reduces the threshold with respect to the number of executions over a given period of time after the part or all of the translated code block is removed.Type: GrantFiled: March 15, 2012Date of Patent: October 7, 2014Assignee: Fujitsu LimitedInventors: Munenori Maeda, Toshihiro Ozawa, Tsuyoshi Takeuchi
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Publication number: 20140068029Abstract: An information processing system has a plurality of information processing units. The information processing system includes: an information collector configured to collect device identification information assigned to each of the information processing units; a storage configured to store history information indicating whether each piece of the device identification information collected by the information collector has been used as system identification information of the information processing system; and a decision unit configured to determine the system identification information from the device identification information collected by the information collector, according to the history information stored in the storage and the device identification information collected by the information collector.Type: ApplicationFiled: August 9, 2013Publication date: March 6, 2014Applicant: FUJITSU LIMITEDInventor: Tsuyoshi Takeuchi