Patents by Inventor Ta-Jen Peng

Ta-Jen Peng 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: 11162787
    Abstract: A measuring program compiling device and a measuring program compiling method thereof are provided. The method includes analyzing a first measuring program to obtain a plurality of first measuring parameters corresponding to the first measuring program, and converting the first measuring parameters into a plurality of second measuring parameters corresponding to a plurality of planning operations; generating a plurality of standardized measuring parameters according to the second measuring parameters and a plurality of computer aided design (CAD) image parameters; receiving a plurality of parameter input operations corresponding to the planning operations to update the second measuring parameters; generating a standardized measuring program corresponding to a CAD file according to the standardized measuring parameters; and converting the standardized measuring program into a target measuring program executed on a target measuring device according to specification data of the target measuring device.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: November 2, 2021
    Assignee: Industrial Technology Research Institute
    Inventors: Kai-Ming Pan, Ta-Jen Peng, Yen-Cheng Chen, Qi-Zheng Yang, Chen-Yu Kai
  • Patent number: 10983501
    Abstract: A tool-life prediction method, applicable to a machine tool having a machining end, includes steps of capturing a plurality of measurement data from a tool of the machining end, transforming each of the plurality of measurement data into a corresponding complex process capability index (Cpk), utilizing an artificial neural network being trained to generate a tool-life prediction scale with respect to the Cpk, and then based on the tool-life prediction scale to determine a remaining tool life of the tool. In addition, a tool life prediction system is also provided.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: April 20, 2021
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Ming Chen, Chi-Cheng Lin, Shu-Chung Liao, Chen-Yu Kai, Ta-Jen Peng
  • Patent number: 10967510
    Abstract: A robot arm processing system includes a robot arm, a processing module, and a control module. The robot arm is for providing a mechanical holding force. The processing module is disposed on the robot arm to process a workpiece. The control module is connected to the robot arm or the processing module. The control module outputs an anti-vibration signal according to the reaction force of the workpiece or the displacement of the robot arm to counteract the reaction force of the workpiece or the displacement of the robot arm.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: April 6, 2021
    Assignee: Industrial Technology Research Institute
    Inventors: Chen-Yu Kai, Kai-Ming Pan, Yen-Cheng Chen, Ta-Jen Peng
  • Patent number: 10926380
    Abstract: A clamping device includes a first holder and a second holder. The first holder includes a first abutting member and a driving member. The driving member is coupled to the first abutting member. The second holder includes a second abutting member. The first abutting member and the second abutting member are oppositely disposed and spaced apart from each other to receive a workpiece. The driving member is coupled to the first abutting member to drive the first abutting member to move in a direction toward the second abutting member to clamp the workpiece between the first abutting member and the second abutting member.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: February 23, 2021
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chung-Yu Tai, Qi-Zheng Yang, Ke-Hen Chen, Ta-Jen Peng
  • Publication number: 20210026322
    Abstract: A detection device for a spindle of a machine tool is provided, wherein the spindle includes an insertion hole. The detection device includes a contact housing, a main housing, a sensor, and a process module. The contact housing has a first chamber, and the first chamber has an inner surface. The main housing is connected to the contact housing, and has a second chamber communicated with the first chamber. The sensor is disposed in the first chamber and connected to the inner surface. The process module is disposed in the second chamber and electrically connected to the sensor. When the contact housing is inserted into the insertion hole of the spindle, the sensor is configured to detect the deformation of the contact housing and generate a detection signal. The process module generates a determination signal according to the detection signal.
    Type: Application
    Filed: November 22, 2019
    Publication date: January 28, 2021
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Sheng-Ming MA, Yu-Sheng LAI, Wei-Jen WU, Ta-Jen PENG, Tzuo-Liang LUO
  • Publication number: 20200209831
    Abstract: A tool-life prediction method, applicable to a machine tool having a machining end, includes steps of capturing a plurality of measurement data from a tool of the machining end, transforming each of the plurality of measurement data into a corresponding complex process capability index (Cpk), utilizing an artificial neural network being trained to generate a tool-life prediction scale with respect to the Cpk, and then based on the tool-life prediction scale to determine a remaining tool life of the tool. In addition, a tool life prediction system is also provided.
    Type: Application
    Filed: April 11, 2019
    Publication date: July 2, 2020
    Inventors: YI-MING CHEN, CHI-CHENG LIN, SHU-CHUNG LIAO, CHEN-YU KAI, TA-JEN PENG
  • Publication number: 20200200528
    Abstract: A measuring program compiling device and a measuring program compiling method thereof are provided. The method includes analyzing a first measuring program to obtain a plurality of first measuring parameters corresponding to the first measuring program, and converting the first measuring parameters into a plurality of second measuring parameters corresponding to a plurality of planning operations; generating a plurality of standardized measuring parameters according to the second measuring parameters and a plurality of computer aided design (CAD) image parameters; receiving a plurality of parameter input operations corresponding to the planning operations to update the second measuring parameters; generating a standardized measuring program corresponding to a CAD file according to the standardized measuring parameters; and converting the standardized measuring program into a target measuring program executed on a target measuring device according to specification data of the target measuring device.
    Type: Application
    Filed: April 17, 2019
    Publication date: June 25, 2020
    Applicant: Industrial Technology Research Institute
    Inventors: Kai-Ming Pan, Ta-Jen Peng, Yen-Cheng Chen, Qi-Zheng Yang, Chen-Yu Kai
  • Publication number: 20200171624
    Abstract: A clamping device includes a first holder and a second holder. The first holder includes a first abutting member and a driving member. The driving member is coupled to the first abutting member. The second holder includes a second abutting member. The first abutting member and the second abutting member are oppositely disposed and spaced apart from each other to receive a workpiece. The driving member is coupled to the first abutting member to drive the first abutting member to move in a direction toward the second abutting member to clamp the workpiece between the first abutting member and the second abutting member.
    Type: Application
    Filed: December 27, 2018
    Publication date: June 4, 2020
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chung-Yu TAI, Qi-Zheng YANG, Ke-Hen CHEN, Ta-Jen PENG
  • Publication number: 20200150630
    Abstract: A method for adjusting a frequency response parameter of a machine tool and a system using the same are provided. The method includes the following steps. Firstly, an actual frequency sweep is performed on the machine tool to acquire an original system closed loop data of the machine tool. Then, an original system open loop transfer function of the original system closed loop data is acquired. Then, a speed optimization procedure is executed to determine an optimized speed parameter. Then, a speed optimized open loop transfer function corresponding to a speed optimized close loop transfer function is acquired. Then, a filter transfer function of a filter is determined. Then, a filter optimization procedure is executed.
    Type: Application
    Filed: December 26, 2018
    Publication date: May 14, 2020
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chen-Hui KUO, Chen-Yu KAI, Ta-Jen PENG, Yung-Chih LIN
  • Patent number: 10481575
    Abstract: A thermal compensation control system for a machine tool having a milling cutter and a cutter driver includes a tool setting probe, a temperature sensor, a workpiece touch probe, and a controller. The cutter driver is connected to the milling cutter to drive the milling cutter to process the work piece based on a control signal. The tool setting probe is configured to detect a cutter length of the milling cutter. The temperature sensor is configured to sense a measured temperature of the cutter driver or the milling cutter. The workpiece touch probe is configured to measure processing errors of the processed work piece. The controller is configured to generate the control signal based on a processing instruction, a temperature compensation model, the cutter length, and the measured temperature. The controller is further configured to determine whether to modify the temperature compensation model based on the processing errors.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: November 19, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Sheng-Ming Ma, Ta-Jen Peng, Yung-Chih Lin, Chien-Hung Chen, Ke-Hen Chen, Shin-Tzong Su
  • Patent number: 10456882
    Abstract: A fixture for a thin-walled workpiece includes two clamping devices. Each of the clamping devices has a metal carrier and a damper. The metal carrier has a carrying portion and a supporting portion, where the supporting portion has a stair portion having a plane surface and a standing surface with a slope. The damper has a metal clamping portion and a damping portion. One end of the metal clamping portion is formed as an inclined surface. The damping portion has at least two elastic layers and at least one metal layer, which are laminated in an interlacing arrangement with the same slope of the inclined surface. One of the elastic layers is disposed to connect the inclined surface. The end of the metal clamping portion connecting the elastic layer is located on the stair portion, while the opposite end of the metal clamping portion protrudes out of the supporting portion.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: October 29, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chung-Yu Tai, Ke-Hen Chen, Ci-Rong Huang, Ta-Jen Peng
  • Publication number: 20190196422
    Abstract: A tuning method is to provide a tuning system equipped with a virtual machine which is modeled after a target machine, set the processing conditions of the target machine into the tuning system, enter a simulation command containing simulation parameters into the virtual machine, subject the virtual machine to simulate the response of the target machine according to the simulation parameters to calculate required control parameters, and use the control parameters as the base parameters for adjusting the target machine.
    Type: Application
    Filed: December 22, 2017
    Publication date: June 27, 2019
    Inventors: Chen-Yu Kai, Chen-Hui Kuo, Ta-Jen Peng
  • Publication number: 20190171176
    Abstract: A thermal compensation control system for a machine tool having a milling cutter and a cutter driver includes a tool setting probe, a temperature sensor, a workpiece touch probe, and a controller. The cutter driver is connected to the milling cutter to drive the milling cutter to process the work piece based on a control signal. The tool setting probe is configured to detect a cutter length of the milling cutter. The temperature sensor is configured to sense a measured temperature of the cutter driver or the milling cutter. The workpiece touch probe is configured to measure processing errors of the processed work piece. The controller is configured to generate the control signal based on a processing instruction, a temperature compensation model, the cutter length, and the measured temperature. The controller is further configured to determine whether to modify the temperature compensation model based on the processing errors.
    Type: Application
    Filed: December 27, 2017
    Publication date: June 6, 2019
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Sheng-Ming MA, Ta-Jen PENG, Yung-Chih LIN, Chien-Hung CHEN, Ke-Hen CHEN, Shin-Tzong SU
  • Publication number: 20190143511
    Abstract: A robot arm processing system includes a robot arm, a processing module, and a control module. The robot arm is for providing a mechanical holding force. The processing module is disposed on the robot arm to process a workpiece. The control module is connected to the robot arm or the processing module. The control module outputs an anti-vibration signal according to the reaction force of the workpiece or the displacement of the robot arm to counteract the reaction force of the workpiece or the displacement of the robot arm.
    Type: Application
    Filed: December 26, 2017
    Publication date: May 16, 2019
    Inventors: Chen-Yu KAI, Kai-Ming PAN, Yen-Cheng CHEN, Ta-Jen PENG
  • Publication number: 20190118318
    Abstract: A fixture for a thin-walled workpiece includes two clamping devices. Each of the clamping devices has a metal carrier and a damper. The metal carrier has a carrying portion and a supporting portion, where the supporting portion has a stair portion having a plane surface and a standing surface with a slope. The damper has a metal clamping portion and a damping portion. One end of the metal clamping portion is formed as an inclined surface. The damping portion has at least two elastic layers and at least one metal layer, which are laminated in an interlacing arrangement with the same slope of the inclined surface. One of the elastic layers is disposed to connect the inclined surface. The end of the metal clamping portion connecting the elastic layer is located on the stair portion, while the opposite end of the metal clamping portion protrudes out of the supporting portion.
    Type: Application
    Filed: November 27, 2017
    Publication date: April 25, 2019
    Inventors: CHUNG-YU TAI, Ke-Hen Chen, Ci-Rong Huang, Ta-Jen Peng
  • Patent number: 10268184
    Abstract: An apparatus and method for transforming NC programs are provided, and the apparatus is electrically connected to a controller configured to, according to a NC program, command a machine to drive a cutting tool to cut a workpiece. The apparatus includes a triggering module, a coordinate position processing module, and a storage module. The triggering module is electrically connected to the controller. The coordinate position processing module is electrically connected to the controller and the triggering module. The storage module is electrically connected to the coordinate position processing module. The triggering module triggers the controller to execute the NC program in a single block mode. The coordinate position processing module is triggered by the triggering module to acquire at least one coordinate position from the controller. The storage module stores the at least one coordinate position. The triggering module simultaneously triggers the controller and the coordinate position processing module.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: April 23, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chih-Yuan Hsu, Jui-Ming Chang, Shuo-Peng Liang, Tzuo-Liang Luo, Ta-Jen Peng, Jen-Ji Wang
  • Patent number: 10248104
    Abstract: A remote machining optimization system for a machine tool is provided, which includes an input unit configured to input a machining parameter including a spindle speed and a cut depth; a receiving unit configured to receive sound signals and vibration signals from the machine tool; a processing unit configured to generate a machining program with a program generating module, to modify the spindle speed and the cut depth according to the sound signals with a speed optimization module and a depth optimization module, respectively; a communication unit configured to send the machining program to the machine tool; and a storage unit configured to store the modified spindle speed and the cut depth.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: April 2, 2019
    Assignee: Industrial Technology Research Institute
    Inventors: Yi-Hsuan Chen, Ta-Jen Peng, Yi-Ming Chen, Shu-Chung Liao, Sheng-Ming Ma
  • Publication number: 20180120262
    Abstract: A non-contact dynamic stiffness measurement system includes a base, a test bar, an exciter, a force sensor, a laser Doppler velocimeter, and a controller. The force sensor is connected to the exciter and the base. The exciter is located between the test bar and the force sensor. The controller is electrically connected to the force sensor and the laser Doppler velocimeter. The test bar is detachably set in a holder of the main shaft under test. The exciter provides an electromagnetic force to the test bar. The force sensor measures the acting force of the exciter. The laser Doppler velocimeter provides a first laser beam and a second laser beam. The laser Doppler velocimeter measures a vibration response with reflected laser beams. The controller determines an equivalent main shaft stiffness value of the main shaft under test according to the acting force and the vibration response.
    Type: Application
    Filed: December 19, 2016
    Publication date: May 3, 2018
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chung-Yu TAI, Chen-Yu KAI, Ta-Jen PENG, Yi-Hsuan CHEN
  • Patent number: 9956661
    Abstract: A feedback control numerical machine tool and a method thereof are provided. The machine tool includes at least two spindles, an acoustic frequency detecting module, at least two spindle position detecting modules, and a control module. The spindles machine a workpiece. The acoustic frequency detecting module detects an acoustic frequency of the spindles when machining the workpiece. The spindle position detecting modules detects position information of the spindles when machining the workpiece. The control module acquires the acoustic frequency and the position information of the spindles, monitors whether any of the spindles chatters according to the acoustic frequency of the spindles, and performs chattering avoidance to the spindle that chatters according to the position information of the spindles. As such, the present disclosure performs chattering monitoring to a plurality of spindles and avoids the chattering immediately.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: May 1, 2018
    Assignee: Industrial Technology Research Institute
    Inventors: Tsung-Ling Hwang, Tzuo-Liang Luo, Chin-Te Lin, Shuo-Peng Liang, Ta-Jen Peng
  • Publication number: 20180052439
    Abstract: A remote machining optimization system for a machine tool is provided, which includes an input unit configured to input a machining parameter including a spindle speed and a cut depth; a receiving unit configured to receive sound signals and vibration signals from the machine tool; a processing unit configured to generate a machining program with a program generating module, to modify the spindle speed and the cut depth according to the sound signals with a speed optimization module and a depth optimization module, respectively; a communication unit configured to send the machining program to the machine tool; and a storage unit configured to store the modified spindle speed and the cut depth.
    Type: Application
    Filed: October 21, 2016
    Publication date: February 22, 2018
    Inventors: Yi-Hsuan Chen, Ta-Jen Peng, Yi-Ming Chen, Shu-Chung Liao, Sheng-Ming Ma