Patents by Inventor Yukihiro Yamaguchi
Yukihiro Yamaguchi 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: 20240091835Abstract: A meandering amount arithmetically operating device of a meandering amount measurement device calculates the meandering amount of a steel sheet using a drive side edge site zds(N) and a work side edge sites zws(N) at a current time when a measurement reliability determination unit determines that both the drive side edge site zds(N) and the work side edge sites zws(N) at the current time have high reliability. When only one of the drive side edge site zds(N) and the work side edge site zws(N) at the current time is determined to have high reliability, the other edge site is calculated by interpolation using the number of pixels W from a sheet width updating unit with the drive side edge sites zds(N) or the work side edge site zws(N) at the current time having high reliability as a reference.Type: ApplicationFiled: December 13, 2021Publication date: March 21, 2024Inventors: Tomoyoshi Ogasahara, Hiroto Goto, Hideto Yamaguchi, Yukihiro Matsubara, Mitsutoshi Kemmochi
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Patent number: 11541552Abstract: Provided is a control device controlling a robot having a movable section to which a work section, performing work on a target object, is attached and which moves the work section.Type: GrantFiled: September 27, 2019Date of Patent: January 3, 2023Inventors: Yuki Sato, Yoshito Miyamoto, Yukihiro Yamaguchi, Katsuji Igarashi
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Patent number: 11110602Abstract: A robot control device that controls a robot and includes a processor which extracts a contour of a target based on an image of the target captured by an imaging device, generates a point sequence corresponding to the contour, and converts coordinates of the point sequence into coordinates in a robot coordinate system. Further, a robot control device that controls a robot includes a processor which extracts a contour of a target based on an image of the target captured by an imaging device and a predetermined instruction, generates a point sequence corresponding to the contour, and converts coordinates of the point sequence into coordinates in a robot coordinate system.Type: GrantFiled: November 5, 2018Date of Patent: September 7, 2021Inventors: Seiji Aiso, Yukihiro Yamaguchi
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Patent number: 10814476Abstract: A robot includes a gripping section adapted to grip an object by open and close a pair of finger sections, a moving device adapted to relatively move the object and the gripping section, and a control device adapted to control the moving device to move the gripping section relatively toward the object, and dispose the pair of finger sections in a periphery of the object, and then control the gripping section to open and close the pair of finger sections in a plane parallel to a mounting surface on which the object is mounted, pinch the object between the pair of finger sections from a lateral side of the object, and grip the object with the gripping section at at least three contact points.Type: GrantFiled: April 3, 2018Date of Patent: October 27, 2020Assignee: Seiko Epson CorporationInventors: Yukihiro Yamaguchi, Kazuhiro Kosuge, Yasuhisa Hirata, Aya Kaisumi
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Publication number: 20200101621Abstract: Provided is a control device controlling a robot having a movable section to which a work section, performing work on a target object, is attached and which moves the work section.Type: ApplicationFiled: September 27, 2019Publication date: April 2, 2020Inventors: Yuki SATO, Yoshito MIYAMOTO, Yukihiro YAMAGUCHI, Katsuji IGARASHI
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Patent number: 10569419Abstract: A control device comprising a processor configured to receive information on a captured image from an imaging device capturing an image from an operator, control a robot including a robot arm on which a stamp that forms a marker on an object and an end effector that performs work on a work target are allowed to be provided by being replaced, perform correlation between a robot coordinate system that is a coordinate system relating to the robot and an image coordinate system that is a coordinate system relating to the captured image, and perform the correlation based on a plurality of coordinates of a predetermined portion of the robot arm in the robot coordinate system and a plurality of coordinates of the plurality of markers in the image coordinate system when the plurality of markers are formed on the object by the stamp.Type: GrantFiled: August 30, 2018Date of Patent: February 25, 2020Assignee: Seiko Epson CorporationInventors: Yukihiro Yamaguchi, Taro Ishige, Nobuyuki Setsuda
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Patent number: 10551821Abstract: A robot includes a movable part, and the movable part performs an action based on a position of a first marker obtained using first position and attitude of the movable part when a first image containing the first marker is captured by an imaging unit provided in the movable part and second position and attitude of the movable part when a second image containing the first marker is captured by the imaging unit.Type: GrantFiled: June 29, 2017Date of Patent: February 4, 2020Assignee: Seiko Epson CorporationInventors: Yukihiro Yamaguchi, Taro Ishige, Atsushi Harada
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Patent number: 10525597Abstract: A robot includes an instruction receiving unit that receives a calibration initiation instruction, and an arm that changes a positional relationship between a marker which indicates a reference point and a capturing unit when the calibration initiation instruction is received, in which the calibration of a coordinate system of the capturing unit and a coordinate system of the robot is performed on the basis of an image in which the marker is captured by the capturing unit after the positional relationship between the capturing unit and the marker changes.Type: GrantFiled: November 13, 2015Date of Patent: January 7, 2020Assignee: Seiko Epson CorporationInventors: Atsushi Harada, Yukihiro Yamaguchi, Taro Ishige, Koichi Yasuda, Kazushige Akaha
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Publication number: 20190134813Abstract: A robot control device that controls a robot and includes a processor which extracts a contour of a target based on an image of the target captured by an imaging device, generates a point sequence corresponding to the contour, and converts coordinates of the point sequence into coordinates in a robot coordinate system. Further, a robot control device that controls a robot includes a processor which extracts a contour of a target based on an image of the target captured by an imaging device and a predetermined instruction, generates a point sequence corresponding to the contour, and converts coordinates of the point sequence into coordinates in a robot coordinate system.Type: ApplicationFiled: November 5, 2018Publication date: May 9, 2019Inventors: Seiji Aiso, Yukihiro Yamaguchi
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Publication number: 20190061163Abstract: A control device comprising a processor configured to receive information on a captured image from an imaging device capturing an image from an operator, control a robot including a robot arm on which a stamp that forms a marker on an object and an end effector that performs work on a work target are allowed to be provided by being replaced, perform correlation between a robot coordinate system that is a coordinate system relating to the robot and an image coordinate system that is a coordinate system relating to the captured image, and perform the correlation based on a plurality of coordinates of a predetermined portion of the robot arm in the robot coordinate system and a plurality of coordinates of the plurality of markers in the image coordinate system when the plurality of markers are formed on the object by the stamp.Type: ApplicationFiled: August 30, 2018Publication date: February 28, 2019Inventors: Yukihiro YAMAGUCHI, Taro ISHIGE, Nobuyuki SETSUDA
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Patent number: 10201900Abstract: A control device is capable of controlling each of a robot having a robot arm, and an imaging portion which is capable of capturing a first reference marker, a second reference marker, and a third reference marker, any one of the imaging portion, the first reference marker, the second reference marker, and the third reference marker is provided in the robot, and a posture of a reference surface parallel to a plane which passes through the first reference marker, the second reference marker, and the third reference marker, is acquired based on a first image in which the first reference marker is captured by the imaging portion, a second image in which the second reference marker is captured by the imaging portion, and a third image which captures the third reference marker by the imaging portion.Type: GrantFiled: November 29, 2016Date of Patent: February 12, 2019Assignee: Seiko Epson CorporationInventors: Taro Ishige, Atsushi Harada, Yukihiro Yamaguchi, Hiromitsu Abe
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Publication number: 20190030722Abstract: A control device comprising a processor wherein the processor is configured to receive information relating to a first captured image from a first camera capable of capturing an image, perform a command relating to drive of the robot having a hand holding a workpiece based on the information, perform correlation between a robot coordinate system which is a coordinate system relating to a robot and a first image coordinate system which is a coordinate system relating to the first captured image, and perform the correlation, based on a coordinate in the robot coordinate system of a predetermined site of the hand holding the workpiece when the workpiece is located at each of a plurality of positions inside an imaging region of the first camera and a coordinate in the first image coordinate system of the workpiece when the workpiece is located at each of the plurality of positions.Type: ApplicationFiled: July 27, 2018Publication date: January 31, 2019Inventors: Yukihiro YAMAGUCHI, Nobuyuki SETSUDA, Taro ISHIGE
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Patent number: 10099380Abstract: A robot includes: a local coordinate system deriving portion which derives a local coordinate system having two shafts which are parallel to a work plane and orthogonal to each other, based on an image in which markers illustrating three or more points on the work plane which is not horizontal are captured; and a control parameter obtaining portion which obtains control parameters via the local coordinate system.Type: GrantFiled: May 18, 2016Date of Patent: October 16, 2018Assignee: Seiko Epson CorporationInventors: Taro Ishige, Atsushi Harada, Yukihiro Yamaguchi
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Publication number: 20180243911Abstract: A robot includes an instruction receiving unit that receives a calibration initiation instruction, and an arm that changes a positional relationship between a marker which indicates a reference point and a capturing unit when the calibration initiation instruction is received, in which the calibration of a coordinate system of the capturing unit and a coordinate system of the robot is performed on the basis of an image in which the marker is captured by the capturing unit after the positional relationship between the capturing unit and the marker changes.Type: ApplicationFiled: November 13, 2015Publication date: August 30, 2018Inventors: Atsushi HARADA, Yukihiro YAMAGUCHI, Taro ISHIGE, Koichi YASUDA, Kazushige AKAHA
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Patent number: 10059001Abstract: An image acquisition unit acquires an image including an object, and a controller starts a visual servo using the acquired image, on the basis of at least one of an error in calibration, an error in installation of a robot, an error resulting from the rigidity of the robot, an error of a position where the robot has gripped the object, an error regarding imaging, and an error regarding a work environment. Additionally, the controller starts the visual servo when the distance between one point of a working unit of the robot and the object is equal to or greater than 2 mm.Type: GrantFiled: October 29, 2014Date of Patent: August 28, 2018Assignee: Seiko Epson CorporationInventors: Hiroshi Miyazawa, Yukihiro Yamaguchi, Nobuhiro Karito
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Publication number: 20180222040Abstract: A robot includes a gripping section adapted to grip an object by open and close a pair of finger sections, a moving device adapted to relatively move the object and the gripping section, and a control device adapted to control the moving device to move the gripping section relatively toward the object, and dispose the pair of finger sections in a periphery of the object, and then control the gripping section to open and close the pair of finger sections in a plane parallel to a mounting surface on which the object is mounted, pinch the object between the pair of finger sections from a lateral side of the object, and grip the object with the gripping section at at least three contact points.Type: ApplicationFiled: April 3, 2018Publication date: August 9, 2018Inventors: Yukihiro YAMAGUCHI, Kazuhiro KOSUGE, Yasuhisa HIRATA, Aya KAISUMI
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Publication number: 20180161983Abstract: A control device, which controls a robot having a movable unit including a plurality of arms, includes a processor that performs calibration between a coordinate system of an imaging unit disposed in an arm different from an arm positioned on a most distal side of the movable unit and a coordinate system of the robot. The processor performs the calibration, based on a captured image obtained by causing the imaging unit to image a marker.Type: ApplicationFiled: November 29, 2017Publication date: June 14, 2018Inventors: Yukihiro YAMAGUCHI, Kenji MATSUURA, Taro ISHIGE
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Patent number: 9962829Abstract: A robot includes a gripping section adapted to grip an object by open and close a pair of finger sections, a moving device adapted to relatively move the object and the gripping section, and a control device adapted to control the moving device to move the gripping section relatively toward the object, and dispose the pair of finger sections in a periphery of the object, and then control the gripping section to open and close the pair of finger sections in a plane parallel to a mounting surface on which the object is mounted, pinch the object between the pair of finger sections from a lateral side of the object, and grip the object with the gripping section at at least three contact points.Type: GrantFiled: August 28, 2015Date of Patent: May 8, 2018Assignee: Seiko Epson CorporationInventors: Yukihiro Yamaguchi, Kazuhiro Kosuge, Yasuhisa Hirata, Aya Kaisumi
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Patent number: 9884425Abstract: A robot includes an arm, and the arm is controlled using an offset of a reference point of a tool, the tool being attached to the arm, the offset being set based on a first state, in which a first image, in which the reference point is located at a control point of an image, can be taken by a imaging section, and a second state, in which a second image, in which the tool is rotated around a rotational axis passing through a position of the reference point in the state in which the reference point is located at the control point, can be taken by the imaging section, and controlled based on a third image, which is taken by the imaging section, and in which the control point is shifted from the reference point, in a process of a transition from the first state to the second state.Type: GrantFiled: March 17, 2016Date of Patent: February 6, 2018Assignee: Seiko Epson CorporationInventors: Yukihiro Yamaguchi, Koichi Yasuda, Kenji Matsuura
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Publication number: 20180004188Abstract: A robot includes a movable part, and the movable part performs an action based on a position of a first marker obtained using first position and attitude of the movable part when a first image containing the first marker is captured by an imaging unit provided in the movable part and second position and attitude of the movable part when a second image containing the first marker is captured by the imaging unit.Type: ApplicationFiled: June 29, 2017Publication date: January 4, 2018Inventors: Yukihiro YAMAGUCHI, Taro ISHIGE, Atsushi HARADA