Patents Assigned to Kabushiki Kaisha Yaskawa Denki
  • Publication number: 20200287497
    Abstract: An abnormality determination system includes a state quantity obtaining circuit and an abnormality determination circuit. The state quantity obtaining circuit is configured to obtain a state quantity associated with a mechanical system. The abnormality determination circuit is configured to, according to a learning content obtained in a machine learning process and based on the state quantity, determine as to at least one of an occurrence of an abnormality in the mechanical system, an occurrence position of the abnormality, and a cause of the abnormality.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 10, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takeshi NAGATA, Takaaki SHOGAKI, Yasufumi YOSHIURA, Tadashi OKUBO, Toshinobu KIRA
  • Patent number: 10768601
    Abstract: A programmable controller includes multiple interface circuitry modules and multiple CPU modules. An interface circuitry module of the interface circuitry modules transmits potential signal having electric potential state of different electric potential states to a CPU module of the CPU modules, the CPU module is connectable to a second CPU module of the CPU modules and includes a CPU which performs arithmetic processing and a memory that stores discrimination and definition information, the discrimination information includes binarized information indicating whether the CPU in the CPU module is main or sub CPU, the first discrimination information is set based on the electric potential state of the potential signal input into the CPU module from the interface circuitry module to which the CPU module is connected, and the definition information includes setting information indicating whether the CPU in the CPU module is set in advance as the main CPU or sub CPU.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: September 8, 2020
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Masaomi Kudo, Kazumasa Ohsawa
  • Patent number: 10771000
    Abstract: A motor control system includes a motor, a motor control apparatus that drives the motor and includes a first communication port and a second communication port, an upper-level control apparatus connected to the first communication port via a first communication path, an interface connected to the second communication port via a second communication path, and one or more detectors that detect information for controlling the motor and are connected to or including the interface. The motor control apparatus includes processing circuitry that obtains the information detected by the detector and exchanged between the upper-level control apparatus and the interface, and controls the motor based on the obtained information.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: September 8, 2020
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Tadashi Okubo, Yusuke Oka, Atsunobu Sakata, Hiroyuki Murakami, Daichi Horimai
  • Publication number: 20200278222
    Abstract: An encoder includes a measurement target and circuitry. The measurement target includes an absolute pattern and is rotatable. The circuitry is configured to generate, via a processing scheme, a signal representing an absolute position of the measurement target based on the absolute pattern. The circuitry is configured to detect, based on the absolute pattern, whether the measurement target rotates or not. The circuitry is configured to change the processing scheme based on whether the measurement target rotates or not.
    Type: Application
    Filed: February 6, 2020
    Publication date: September 3, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Masanao TAKAHASHI, Daisuke FURUKAWA, Hiroshi TAKADA
  • Publication number: 20200278647
    Abstract: A mechanical equipment control system includes a mechanical apparatus, a load ratio detection circuit, and an integration control circuit. The mechanical apparatus includes a motor which is configured to drive the mechanical apparatus. The load ratio detection circuit is configured to detect a load ratio of the motor. The integration control circuit is configured to control the mechanical apparatus based on an operation parameter while keeping the load ratio in an allowable load state.
    Type: Application
    Filed: May 19, 2020
    Publication date: September 3, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takeshi NAGATA, Takaaki SHOGAKI, Yasufumi YOSHIURA, Tadashi OKUBO, Kei KATSUYAMA
  • Publication number: 20200280460
    Abstract: A slave device includes a first connector, a second connector, a switch, and a communication circuit. The switch is alternatively connectable to the first connector or the second connector according to a connection way via which the slave device is connected to a master device and another slave device. The communication circuit is connected to the first connector and the switch. The communication circuit is configured to transmit and receive a first communication signal to and from the first connector, and is configured to transmit and receive a second communication signal to and from the switch.
    Type: Application
    Filed: February 19, 2020
    Publication date: September 3, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Manabu FUJITA, Wataru NOZAKI, Isamu MATSUMURA, Junya HISAMATSU
  • Publication number: 20200259432
    Abstract: A motor control system includes a motor, and a motor control apparatus including first processing circuitry that, based on a driving state quantity of the motor, controls driving power supplied to the motor, safety request input receiving circuitry through which a safety request signal is input from outside the motor control apparatus, safety cooperation input receiving circuitry through which a safety cooperation signal is input from outside the motor control apparatus, safety cooperation output circuitry through which the motor control apparatus outputs the safety cooperation signal to outside the motor control apparatus, and second processing circuitry that, upon input of at least one signal among the safety request signal and the safety cooperation signal, monitors a relationship between a predetermined motion monitor pattern and the driving state quantity and outputs the safety cooperation signal.
    Type: Application
    Filed: September 16, 2019
    Publication date: August 13, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventor: Kunimasa ANDO
  • Publication number: 20200250069
    Abstract: A trace data acquisition system, comprising: a plurality of industrial machines configured to sequentially process an object; and circuitry configured to: determine whether one of the plurality of industrial machines has satisfied a specific condition; and request another industrial machine to acquire trace data when the one of the plurality of industrial machines is determined to have satisfied the specific condition.
    Type: Application
    Filed: January 27, 2020
    Publication date: August 6, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventor: Takeshi NAGATA
  • Patent number: 10734926
    Abstract: A multi-axis motor control system includes a host control apparatus, motors, motor control apparatuses that drives the motors and each includes circuitry that acquires control related information transmitted and received between the host control apparatus and at least one other motor control apparatus, and controls a corresponding motor of the motors based on the control related information, and a communication channel that connects the host control apparatus and the motor control apparatuses in series.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: August 4, 2020
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Yusuke Oka, Hiroki Inoue, Tadashi Okubo
  • Publication number: 20200238516
    Abstract: A robot system includes a work apparatus, a robot, and control circuitry. The work apparatus is configured to move a work module relatively to the work apparatus. The work module is configured to perform work. The work apparatus is connected the robot. The control circuitry is configured to control the robot to move so as to reduce a force generated by moving the work module by the work apparatus.
    Type: Application
    Filed: January 29, 2020
    Publication date: July 30, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yoshie MAEDA, Yosuke KAMIYA, Sohei OGA, Ryo OZONO
  • Publication number: 20200241503
    Abstract: An industrial machine management system includes circuitry that collects changeable setting data of an industrial machine, determines, based on the setting data at each time point of multiple time points, whether a change has been made to the setting data, obtains change information regarding the change when the change is determined as having been made to the setting data, determines whether a predetermined event has occurred in the industrial machine, identifies, when the predetermined event is determined as having occurred, the change information such that the change information is related to the predetermined event, and outputs the change information that is identified.
    Type: Application
    Filed: January 27, 2020
    Publication date: July 30, 2020
    Applicant: Kabushiki Kaisha Yaskawa Denki
    Inventor: Mitsuaki NAKANISHI
  • Publication number: 20200238530
    Abstract: A robot system includes a robot, a vision sensor, a target position generation circuit, an estimation circuit, and a control circuit. The robot includes an end effector and is configured to work via the end effector on a workpiece which is disposed at a relative position and which is relatively movable with respect to the end effector. The vision sensor is configured to take an image of the workpiece. The target position generation circuit is configured to, based on the image, generate a target position of the end effector at every generation interval. The estimation circuit is configured to, at least based on relative position information related to the relative position, estimate a change amount in the relative position at every estimation interval. The control circuit is configured to control the robot to move the end effector based on the target position and the change amount.
    Type: Application
    Filed: January 22, 2020
    Publication date: July 30, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Hiroshi KUMAGAI, Tamio NAKAMURA
  • Publication number: 20200241501
    Abstract: An industrial machine management system includes circuitry that collects changeable setting data of an industrial machine, determines, based on the setting data at each time point of multiple time points, whether a change has been made to the setting data, and outputs change information regarding the change when the change is determined as having been made to the setting data.
    Type: Application
    Filed: January 27, 2020
    Publication date: July 30, 2020
    Applicant: Kabushiki Kaisha Yaskawa Denki
    Inventor: Mitsuaki NAKANISHI
  • Publication number: 20200241502
    Abstract: An industrial machine management system includes circuitry that collects changeable setting data of an industrial machine, determines, based on the setting data at each time point of multiple time points, whether a change has been made to the setting data, obtains pre-change information when the change is determined as having been made to the setting data, the pre-change information regarding a pre-change state of the industrial machine as of a first time prior to the change having been made to the setting data, obtains post-change information when the change is determined as having been made to the setting data, the post-change information regarding a post-change state of the industrial machine as of a second time after the change has been made to the setting data, and based on the pre-change information and the post-change information, outputs influence information regarding an influence of the change.
    Type: Application
    Filed: January 27, 2020
    Publication date: July 30, 2020
    Applicant: Kabushiki Kaisha Yaskawa Denki
    Inventor: Mitsuaki NAKANISHI
  • Patent number: 10712728
    Abstract: A motor control apparatus includes a memory and a setting selector. The memory is configured to store setting items each relating to a motor, and the setting sequence to sequentially set the setting items. The setting selector is connected to the memory and configured to select a newly selected item from among the setting items based on the setting sequence, a user input, and a currently selected item of the setting items.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: July 14, 2020
    Assignees: KABUSHIKI KAISHA YASKAWA DENKI, YASKAWA AMERICA, INC.
    Inventors: Yasushi Kibe, William Phillips, Christopher Jaszczolt, Micah Stuedemann
  • Patent number: 10710250
    Abstract: A robot includes a first arm rotatable around a first axis and a second arm having an extending direction. The first arm includes a first base and a first extending portion. The first base includes a first through hole passing through the first arm along the first axis. The first extending portion extends from the first base along the first axis. The second arm includes a second base and a second extending portion. The second base includes a connection portion connected to the first extending portion such that the second arm is rotatable around a second axis that is substantially orthogonal to the first axis. The second base includes a second through hole passing through the second arm along the extending direction. The second extending portion is provided opposite to the connection portion in the extending direction and extends from the second base along the extending direction.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: July 14, 2020
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Atsushi Ichibangase, Tsuyoshi Ito
  • Publication number: 20200204100
    Abstract: A linear motor control apparatus for controlling at least one of torque, speed and position of a linear motor includes circuitry that receives at least one of a magnetic pole position value, torque command signal, and speed command signal, and imparts a high-frequency voltage to at least one of a d-axis and a q-axis and impart a load current to the q-axis based on the at least one of the magnetic pole position value, torque command signal, and speed command signal. The d-axis is an axis extending in a central direction of a stator tooth of a stator, and the q-axis is an axis extending in a direction offset 90 degrees from the central direction in an electrical angle.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 25, 2020
    Applicant: Kabushiki Kaisha Yaskawa Denki
    Inventors: Masanobu KAKIHARA, Shogo MAKINO, Toru SHIKAYAMA
  • Publication number: 20200176299
    Abstract: A substrate support device includes a blade and at least one pad provided on the blade to support a substrate. The pad includes a first fixed member, a second fixed member, and a bridge. The first fixed member is provided at an outer portion of the blade. The outer portion is located outside an outer circumference portion of the substrate when the substrate is supported on the pad. The second fixed member is provided at an inner portion of the blade. The inner portion is under the substrate when the substrate is supported on the pad. The bridge is flexible and connects the first fixed member and the second fixed member to support the outer circumference portion of the substrate. An upper surface of the bridge is inclined downward from the first fixed member toward the second fixed member when the substrate is not supported on the pad.
    Type: Application
    Filed: November 20, 2019
    Publication date: June 4, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Joseph CHANG, Katsuhiko SHIMADA, Nobuyuki FURUKAWA, Yong-Gu KANG
  • Patent number: 10664263
    Abstract: A software management system includes a control system connected to a first network and including at least one of control circuitry and a sensor, each controllable by updating first control software in the respective at least one of the control circuitry and sensor, a software distribution device including first circuitry that stores second control software and transmits the second software through a second network, and a software update device including second circuitry that, while the software device is connected to the second network, receives the second software from the distribution device and stores the second software, and while the update device is connected to the first network, transmits the second software to the respective at least one of the control circuitry and sensor to cause the respective at least one of the control circuitry and sensor to update the first software using the second software.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: May 26, 2020
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takaaki Shogaki, Atsunobu Sakata, Tadashi Okubo, Dai Fukuda, Toshinobu Kira, Amane Ando
  • Patent number: 10663518
    Abstract: An abnormality determining apparatus for a motor driven mechanism includes circuitry. The circuitry is configured to acquire time-series data with respect to an input to and an output from a motor which drives the motor driven mechanism, detect data abnormality in the time-series data, and determine, based on the data abnormality, whether mechanical abnormality in the motor driven mechanism occurs.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: May 26, 2020
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventor: Yasufumi Yoshiura