Patents by Inventor Shunsuke Toshimitsu
Shunsuke Toshimitsu 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: 20240109179Abstract: A robot includes: a first structure; a second structure provided rotatably relatively to the first structure; a drive source that is arranged at the first structure and drives the second structure to rotate relatively to the first structure; a speed reducer that has an input shaft coupled to the drive source, an output shaft coupled to the second structure, and a gear unit installed between the input shaft and the output shaft, and that decelerates rotation of the drive source and transmits the decelerated rotation to the second structure; and a load application unit that applies a load to the output shaft when a rotational speed of the input shaft is equal to or lower than a predetermined value.Type: ApplicationFiled: September 28, 2023Publication date: April 4, 2024Inventors: Junki SAKAMACHI, Shunsuke TOSHIMITSU
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Patent number: 11633851Abstract: A robot system includes a robot arm driven by an electric motor and a vehicle that is movable and supports the robot arm. A control method includes (a) moving the vehicle to a work station of a first type and (b) driving the robot arm in the work station of the first type. The (a) executes a first operation mode for, in a part of the movement to the work station of the first type, moving the vehicle in a state in which electric power is not supplied to the electric motor, starting supply of the electric power to the electric motor during the movement of the vehicle in the state in which the electric power is not supplied to the electric motor, and arranging the vehicle in the work station of the first type in a state in which the electric power is supplied to the electric motor.Type: GrantFiled: November 25, 2020Date of Patent: April 25, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Hiroyuki Kanai, Shunsuke Toshimitsu
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Patent number: 11465280Abstract: A control device includes a second-control-signal generating section configured to reduce a predetermined frequency component from a first control signal for performing operation for moving a movable section of the robot to generate a second control signal and a storing section having stored therein reference information including information concerning combinations of ranges of positions of a control point of the robot and frequencies. The second-control-signal generating section determines, based on a position of the control point of the robot in the operation, with reference to the reference information, a frequency component to be reduced from the first control signal.Type: GrantFiled: March 25, 2020Date of Patent: October 11, 2022Inventors: Toshinori Hiraide, Shunsuke Toshimitsu
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Publication number: 20220314451Abstract: Provided is a method for controlling a robot including a base, a robot arm coupled to the base, and a drive unit including a motor for driving the robot arm. The method includes a first step of acquiring weight information including information on a weight of an end effector installed on the robot arm and a weight of an object to be worked by the end effector; a second step of determining a frequency component to be removed from a drive signal for driving the motor based on the weight information acquired in the first step; and a third step of removing the frequency component determined in the second step from the drive signal to generate a correction drive signal.Type: ApplicationFiled: March 30, 2022Publication date: October 6, 2022Inventor: Shunsuke TOSHIMITSU
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Publication number: 20220314450Abstract: Provided is a method for controlling a robot including a base, a robot arm coupled to the base, and a drive unit including a motor for driving the robot arm. The method includes a first step of acquiring target position information on a target position when the robot arm is moved; a second step of determining a frequency component to be removed from a drive signal for driving the motor based on a posture of the robot arm at the target position of the acquired target position information; and a third step of removing the frequency component determined in the second step from the drive signal to generate a correction drive signal.Type: ApplicationFiled: March 30, 2022Publication date: October 6, 2022Inventor: Shunsuke TOSHIMITSU
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Publication number: 20220305651Abstract: A robot system includes a SCARA robot including a robot arm to which an end effector is attached and a driving section configured to drive the robot arm and a control device configured to control the driving section based on a control signal. The control device determines whether being in a first case in which a predetermined condition is satisfied or a second case in which the predetermined condition is not satisfied, in the first case, controls the driving section based on the control signal, and, in the second case, determines a frequency component to be removed from the control signal using a band stop filter, removes the frequency component from the control signal using the band stop filter to generate a corrected control signal, and controls the driving section based on the generated corrected control signal.Type: ApplicationFiled: March 24, 2022Publication date: September 29, 2022Inventor: Shunsuke TOSHIMITSU
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Patent number: 11130227Abstract: A robot control device that controls a robot including an A arm that is rotatable about an A rotation axis, a B arm that is provided so as to be rotatable around a B rotation axis with respect to the A arm and allowed to be brought into a first state overlapping with the A arm when viewed from an axial direction of the B rotation axis, a C arm that is provided so as to be rotatable around a C rotation axis which is an axial direction intersecting with an axial direction of the B rotation axis with respect to the B arm, the robot control device comprising: a processor, wherein the processor is configured to suppress interference between an object and the B arm by limiting a rotation range of the C arm in a case where the object is attached to the C arm.Type: GrantFiled: September 21, 2018Date of Patent: September 28, 2021Inventor: Shunsuke Toshimitsu
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Patent number: 11090805Abstract: A robot includes a first arm that rotates around the first axis, a second arm that rotates around a second axis in a direction different from the first axis, a third arm that rotates around a third axis parallel to the second axis, a first inertia sensor that is installed at the first arm, a second (a) inertia sensor that is installed at the third arm, first to third angle sensors, a posture detection unit that detects the posture of the third arm with the second arm as a reference and derives a feedback gain, and a second drive source control unit that feeds back a second correction component, which is obtained by multiplying a value, which is obtained by subtracting the angular velocity ?A2m and the angular velocity ?A3m from the angular velocity ?A3, by the feedback gain, and controls the second drive source.Type: GrantFiled: July 16, 2019Date of Patent: August 17, 2021Inventors: Akihiro Gomi, Masaki Motoyoshi, Shunsuke Toshimitsu
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Publication number: 20210162591Abstract: A robot system includes a robot arm driven by an electric motor and a vehicle that is movable and supports the robot arm. A control method includes (a) moving the vehicle to a work station of a first type and (b) driving the robot arm in the work station of the first type. The (a) executes a first operation mode for, in a part of the movement to the work station of the first type, moving the vehicle in a state in which electric power is not supplied to the electric motor, starting supply of the electric power to the electric motor during the movement of the vehicle in the state in which the electric power is not supplied to the electric motor, and arranging the vehicle in the work station of the first type in a state in which the electric power is supplied to the electric motor.Type: ApplicationFiled: November 25, 2020Publication date: June 3, 2021Inventors: Hiroyuki KANAI, Shunsuke TOSHIMITSU
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Patent number: 11014234Abstract: A control device includes: a processor wherein the processor is configured to generate one or more second control signals obtained by reducing at least one frequency component from a first control signal, output one control signal among the first control signal and the one or more second control signals, receive an instruction indicating execution of a reduction in the frequency component, generate a driving signal for driving a robot based on the control signal output from the processor and output the driving signal, output the first control signal when a first condition including non-input of the instruction indicating the execution of the reduction in the frequency component is satisfied, and output the second control signal when a second condition including input of the instruction indicating the execution of the reduction in the frequency component is satisfied.Type: GrantFiled: March 30, 2018Date of Patent: May 25, 2021Inventor: Shunsuke Toshimitsu
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Publication number: 20200306961Abstract: A control device includes a second-control-signal generating section configured to reduce a predetermined frequency component from a first control signal for performing operation for moving a movable section of the robot to generate a second control signal and a storing section having stored therein reference information including information concerning combinations of ranges of positions of a control point of the robot and frequencies. The second-control-signal generating section determines, based on a position of the control point of the robot in the operation, with reference to the reference information, a frequency component to be reduced from the first control signal.Type: ApplicationFiled: March 25, 2020Publication date: October 1, 2020Inventors: Toshinori HIRAIDE, Shunsuke TOSHIMITSU
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Patent number: 10532457Abstract: A robot includes a robot arm having an nth (n is an integer equal to or more than one) arm and an (n+1)th arm, the nth arm is rotatable about an nth rotation shaft, the (n+1)th arm is provided on the nth arm rotatably about an (n+1)th rotation shaft in a shaft direction different from a shaft direction of the nth rotation shaft, and, while a distal end of the robot arm is moved from a first point to a second point, a first operation such that the nth arm and the (n+1)th arm overlap as seen from the shaft direction of the (n+1)th rotation shaft and a second operation of rotating the nth arm are performed.Type: GrantFiled: October 1, 2018Date of Patent: January 14, 2020Assignee: Seiko Epson CorporationInventors: Shunsuke Toshimitsu, Kazushige Akaha, Kazuto Yoshimura, Katsuji Igarashi
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Publication number: 20190337153Abstract: A robot includes a first arm that rotates around the first axis, a second arm that rotates around a second axis in a direction different from the first axis, a third arm that rotates around a third axis parallel to the second axis, a first inertia sensor that is installed at the first arm, a second (a) inertia sensor that is installed at the third arm, first to third angle sensors, a posture detection unit that detects the posture of the third arm with the second arm as a reference and derives a feedback gain, and a second drive source control unit that feeds back a second correction component, which is obtained by multiplying a value, which is obtained by subtracting the angular velocity ?A2m and the angular velocity ?A3m from the angular velocity ?A3, by the feedback gain, and controls the second drive source.Type: ApplicationFiled: July 16, 2019Publication date: November 7, 2019Inventors: Akihiro GOMI, Masaki MOTOYOSHI, Shunsuke TOSHIMITSU
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Patent number: 10399222Abstract: A robot includes a first arm that rotates around the first axis, a second arm that rotates around a second axis in a direction different from the first axis, a third arm that rotates around a third axis parallel to the second axis, a first inertia sensor that is installed at the first arm, a second (a) inertia sensor that is installed at the third arm, first to third angle sensors, a posture detection unit that detects the posture of the third arm with the second arm as a reference and derives a feedback gain, and a second drive source control unit that feeds back a second correction component, which is obtained by multiplying a value, which is obtained by subtracting the angular velocity ?A2m and the angular velocity ?A3m from the angular velocity ?A3, by the feedback gain, and controls the second drive source.Type: GrantFiled: March 2, 2016Date of Patent: September 3, 2019Assignee: Seiko Epson CorporationInventors: Akihiro Gomi, Masaki Motoyoshi, Shunsuke Toshimitsu
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Publication number: 20190091853Abstract: A robot control device that controls a robot including an A arm that is rotatable about an A rotation axis, a B arm that is provided so as to be rotatable around a B rotation axis with respect to the A arm and allowed to be brought into a first state overlapping with the A arm when viewed from an axial direction of the B rotation axis, a C arm that is provided so as to be rotatable around a C rotation axis which is an axial direction intersecting with an axial direction of the B rotation axis with respect to the B arm, the robot control device comprising: a processor, wherein the processor is configured to suppress interference between an object and the B arm by limiting a rotation range of the C arm in a case where the object is attached to the C arm.Type: ApplicationFiled: September 21, 2018Publication date: March 28, 2019Inventor: Shunsuke TOSHIMITSU
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Publication number: 20190084155Abstract: A robot comprising a base and a manipulator that is provided on the base so as to be rotatable around a first rotation axis, wherein the manipulator includes an A arm that is rotatable around an A rotation axis parallel to an installation surface of the base, and a B arm provided to be rotatable around a B rotation axis with respect to the A arm, the A arm and the B arm is brought into a first state in which the A arm and the B arm overlap, and a tip end of the manipulator is movable from a first position positioned on a side opposite to the base with respect to the installation surface of the base to a second position positioned on the side opposite to the base with respect to the A rotation axis through the first state.Type: ApplicationFiled: September 18, 2018Publication date: March 21, 2019Inventor: Shunsuke TOSHIMITSU
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Publication number: 20190030709Abstract: A robot includes a robot arm having an nth (n is an integer equal to or more than one) arm and an (n+1)th arm, the nth arm is rotatable about an nth rotation shaft, the (n+1)th arm is provided on the nth arm rotatably about an (n+1)th rotation shaft in a shaft direction different from a shaft direction of the nth rotation shaft, and, while a distal end of the robot arm is moved from a first point to a second point, a first operation such that the nth arm and the (n+1)th arm overlap as seen from the shaft direction of the (n+1)th rotation shaft and a second operation of rotating the nth arm are performed.Type: ApplicationFiled: October 1, 2018Publication date: January 31, 2019Inventors: Shunsuke TOSHIMITSU, Kazushige AKAHA, Kazuto YOSHIMURA, Katsuji IGARASHI
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Patent number: 10099366Abstract: A robot includes a robot arm having an nth (n is an integer equal to or more than one) arm and an (n+1)th arm, the nth arm is rotatable about an nth rotation shaft, the (n+1)th arm is provided on the nth arm rotatably about an (n+1)th rotation shaft in a shaft direction different from a shaft direction of the nth rotation shaft, and, while a distal end of the robot arm is moved from a first point to a second point, a first operation such that the nth arm and the (n+1)th arm overlap as seen from the shaft direction of the (n+1)th rotation shaft and a second operation of rotating the nth arm are performed.Type: GrantFiled: March 24, 2016Date of Patent: October 16, 2018Assignee: Seiko Epson CorporationInventors: Shunsuke Toshimitsu, Kazushige Akaha, Kazuto Yoshimura, Katsuji Igarashi
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Publication number: 20180281185Abstract: A control device includes: a processor wherein the processor is configured to generate one or more second control signals obtained by reducing at least one frequency component from a first control signal, output one control signal among the first control signal and the one or more second control signals, receive an instruction indicating execution of a reduction in the frequency component, generate a driving signal for driving a robot based on the control signal output from the processor and output the driving signal, output the first control signal when a first condition including non-input of the instruction indicating the execution of the reduction in the frequency component is satisfied, and output the second control signal when a second condition including input of the instruction indicating the execution of the reduction in the frequency component is satisfied.Type: ApplicationFiled: March 30, 2018Publication date: October 4, 2018Inventor: Shunsuke TOSHIMITSU
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Patent number: 9999974Abstract: A robot includes a plurality of joints including a first joint and a second joint that rotates in a direction different from a rotation direction of the first joint, a plurality of arm members including a first arm member provided to be rotatable with respect to a base via the first joint, and a first angular velocity sensor provided in the first arm member or the first joint. A first inertial sensor is provided in the first arm member (or a portion that rotates together with the first arm member in the first joint). The plurality of joints are controlled on the basis of an output of the first inertial sensor.Type: GrantFiled: August 8, 2017Date of Patent: June 19, 2018Assignee: Seiko Epson CorporationInventors: Akihiro Gomi, Masaki Motoyoshi, Shunsuke Toshimitsu, Akio Niu, Atsushi Asada