Patents by Inventor Masaki Ryu

Masaki Ryu 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).

  • Patent number: 9851709
    Abstract: In a numerical control device 1 which controls positions of respective axes of a machine tool according to a machining program 11, a command 12 instructed to the machining program 11 is analyzed by an analyzing unit 13, thereby obtaining movement data 15 and a movement type 17, an acceleration-deceleration data selection unit 18 selects acceleration-deceleration data 19 according to the movement type 17, and an interpolation and acceleration-deceleration unit 16 generates a position command 21 by performing an interpolation on a movement route, which is instructed to the movement data 15, according to a command speed and performing acceleration-deceleration according to the acceleration-deceleration data 19.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: December 26, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tomonori Sato, Kenji Nishiwaki, Susumu Hamamoto, Masaki Ryu, Yukihiro Iuchi
  • Patent number: 9823644
    Abstract: A numerical control device includes: a switching unit switching between a first processing mode in which a position command for an amplifier is generated by performing interpolation process and acceleration/deceleration process on a program command in a machining program, and a second processing mode in which a position command every intra-amplifier control cycle for the amplifier is generated by performing acceleration/deceleration process on a command generated every intra-amplifier control cycle, which is a control cycle in the amplifier; a normal analysis unit extracting movement data on a machine tool by analyzing the program command when operating in the first processing mode; an interpolation processing unit obtaining first interpolated data by performing the interpolation process on the movement data when operating in the first processing mode; and a fast analysis unit extracting interpolated movement data as second interpolated data by analyzing the program command when operating in the second proces
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: November 21, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yuya Kado, Masaki Ryu
  • Publication number: 20160091886
    Abstract: In a numerical control device 1 which controls positions of respective axes of a machine tool according to a machining program 11, a command 12 instructed to the machining program 11 is analyzed by an analyzing unit 13, thereby obtaining movement data 15 and a movement type 17, an acceleration-deceleration data selection unit 18 selects acceleration-deceleration data 19 according to the movement type 17, and an interpolation and acceleration-deceleration unit 16 generates a position command 21 by performing an interpolation on a movement route, which is instructed to the movement data 15, according to a command speed and performing acceleration-deceleration according to the acceleration-deceleration data 19.
    Type: Application
    Filed: May 14, 2013
    Publication date: March 31, 2016
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tomonori SATO, Kenji NISHIWAKI, Susumu HAMAMOTO, Masaki RYU, Yukihiro IUCHI
  • Publication number: 20150127140
    Abstract: A numerical control device includes: a switching unit switching between a first processing mode in which a position command for an amplifier is generated by performing interpolation process and acceleration/deceleration process on a program command in a machining program, and a second processing mode in which a position command every intra-amplifier control cycle for the amplifier is generated by performing acceleration/deceleration process on a command generated every intra-amplifier control cycle, which is a control cycle in the amplifier; a normal analysis unit extracting movement data on a machine tool by analyzing the program command when operating in the first processing mode; an interpolation processing unit obtaining first interpolated data by performing the interpolation process on the movement data when operating in the first processing mode; and a fast analysis unit extracting interpolated movement data as second interpolated data by analyzing the program command when operating in the second proces
    Type: Application
    Filed: July 17, 2012
    Publication date: May 7, 2015
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yuya Kado, Masaki Ryu
  • Patent number: 7044830
    Abstract: A chopping control process, for controlling a machine tool during chopping, i.e., shaping or cutting a workpiece, is allowed without adding an extra axis dedicated just to the chopping, i.e., a chopping dedicated axis. To correct a chopping operation (i.e., an operation of shaping or cutting a workpiece), for a movement error in the contour control (i.e., control of contour along which the workpiece is cut) with a positioning axis or rotation axis, an interpolation processing part 12 and an axis control processing part 13 are provided with a function of generating the movement data for performing the chopping operation by controlling two or more axes at the same time and a function of correcting the chopping operation.
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: May 16, 2006
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Makoto Sakagami, Masaki Ryu
  • Patent number: 7035712
    Abstract: To provide a numerical control apparatus 1 provided with a plurality of skip signals (external signals), in which a processing program is easily fabricated even in the case where the tool is moved to the final specified position by decreasing stepwise, or increasing or decreasing stepwise the speed, every time a skip signal is input into the numerical control apparatus 1. The numerical control apparatus 1 comprises, in one block of a numerical control processing program, a skip command capable of issuing a plurality of optional feed speed commands for commanding an optional feed speed different from a feed speed by a normal feed command in the one block, the plurality of optional feed speed commands corresponding to a plurality of skip signals input from the outside, and an interpolation processing part 12 and an axis control processing part 13 for making the acceleration and deceleration control upon an input of the plurality of skip signals when the skip command is given.
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: April 25, 2006
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Makoto Sakagami, Masaki Ryu
  • Publication number: 20050215176
    Abstract: The chopping control process is allowed without adding the chopping dedicated axis. To correct the chopping operation for a movement error in the contour control with the positioning axis or rotation axis, an interpolation processing part 12 and an axis control processing part 13 are provided with a function of generating the movement data for making chopping operation by controlling two or more axes at the same time and a function of correcting the chopping operation.
    Type: Application
    Filed: May 4, 2003
    Publication date: September 29, 2005
    Inventors: Makoto Sakagami, Masaki Ryu
  • Publication number: 20050149224
    Abstract: To provide a numerical control apparatus 1 provided with a plurality of skip signals (external signals), in which a processing program is easily fabricated even in the case where the tool is moved to the final specified position by decreasing stepwise, or increasing or decreasing stepwise the speed, every time a skip signal is input into the numerical control apparatus 1. The numerical control apparatus 1 comprises, in one block of a numerical control processing program, a skip command capable of issuing a plurality of optional feed speed commands for commanding an optional feed speed different from a feed speed by a normal feed command in the one block, the plurality of optional feed speed commands corresponding to a plurality of skip signals input from the outside, and an interpolation processing part 12 and an axis control processing part 13 for making the acceleration and deceleration control upon an input of the plurality of skip signals when the skip command is given.
    Type: Application
    Filed: October 30, 2002
    Publication date: July 7, 2005
    Inventors: Makoto Sakagami, Masaki Ryu