Patents by Inventor Zixian ZHANG

Zixian ZHANG 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: 11772329
    Abstract: An input data creation device for powder additive manufacturing that can design and provide an appropriate support that avoids manufacturing failure. The device creates input data of a model in which a support is provided to a manufacturing designed object in powder additive manufacturing. The device includes a mechanical quantity calculation unit including a mechanism configured to calculate a mechanical quantity generated on a surface to which the support is provided in the manufacturing designed object; and a support shape determination unit including a mechanism configured to determine, based on information on a plurality of types of support shapes, information on an allowable mechanical quantity defined for each support shape, and a mechanical quantity calculated by the mechanical quantity calculation unit, an optimized support shape having an allowable mechanical quantity equal to or greater than the calculated mechanical quantity from among the plurality of types of support shapes.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: October 3, 2023
    Assignee: HITACHI, LTD.
    Inventors: Takashi Hamaguchi, Makoto Onodera, Masayuki Hariya, Zixian Zhang, Shingo Noro
  • Patent number: 11769355
    Abstract: A system for guiding a driver to an ideal driving pattern in order to eliminate dependency on the driver's driving pattern in a fault diagnosis of an automobile part based on automobile running data, even if the driver's driving pattern is far from the ideal driving pattern. The system comprises a fault diagnosis support device equipped with: a diagnosis model selector for outputting a diagnosis model in which, for a feature value used for an examination of an automobile part, an available range available for making a diagnosis and a reference point are stipulated; a driver model generator generating, as a representative point of the feature value that corresponds to a driver's driving pattern; and a recommendation model generator generating, if the representative point is outside the available range, a recommendation model in which a boundary of the available range is set as a recommendation point.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: September 26, 2023
    Assignee: HITACHI, LTD.
    Inventors: Takehisa Nishida, Mariko Okude, Masayoshi Ishikawa, Kazuo Muto, Zixian Zhang
  • Publication number: 20210082213
    Abstract: A system for guiding a driver to an ideal driving pattern in order to eliminate dependency on the driver's driving pattern in a fault diagnosis of an automobile part based on automobile running data, even if the driver's driving pattern is far from the ideal driving pattern. The system comprises a fault diagnosis support device equipped with: a diagnosis model selector for outputting a diagnosis model in which, for a feature value used for an examination of an automobile part, an available range available for making a diagnosis and a reference point are stipulated; a driver model generator generating, as a representative point of the feature value that corresponds to a driver's driving pattern; and a recommendation model generator generating, if the representative point is outside the available range, a recommendation model in which a boundary of the available range is set as a recommendation point.
    Type: Application
    Filed: November 21, 2018
    Publication date: March 18, 2021
    Applicant: HITACHI, LTD.
    Inventors: Takehisa NISHIDA, Mariko OKUDE, Masayoshi ISHIKAWA, Kazuo MUTO, Zixian ZHANG
  • Publication number: 20210027556
    Abstract: An abnormality sign diagnosis apparatus uses measurement data on equipment to find a difference between previously acquired data in normal operation and measurement data at a time targeted for diagnosis so as to detect abnormality of the equipment. The apparatus includes: input means that inputs the measurement data on the equipment in operation and a surrounding environment and status of the equipment in operation; storage that stores the data on the equipment in normal operation; and processing means that selects data on the equipment in normal operation in a surrounding environment and status of the equipment similar to the surrounding environment and at a time which is targeted for diagnosis, the processing means further detecting abnormality of the equipment using the data of the equipment in normal operation at the time targeted for diagnosis and the data on the equipment in normal operation selected from the storage.
    Type: Application
    Filed: January 30, 2019
    Publication date: January 28, 2021
    Applicant: HITACHI, LTD.
    Inventors: Zixian ZHANG, Kazuo MUTO, Mariko OKUDE, Takehisa NISHIDA, Masayoshi ISHIKAWA
  • Publication number: 20200269509
    Abstract: An input data creation device for powder additive manufacturing that can design and provide an appropriate support that avoids manufacturing failure. The device creates input data of a model in which a support is provided to a manufacturing designed object in powder additive manufacturing. The device includes a mechanical quantity calculation unit including a mechanism configured to calculate a mechanical quantity generated on a surface to which the support is provided in the manufacturing designed object; and a support shape determination unit including a mechanism configured to determine, based on information on a plurality of types of support shapes, information on an allowable mechanical quantity defined for each support shape, and a mechanical quantity calculated by the mechanical quantity calculation unit, an optimized support shape having an allowable mechanical quantity equal to or greater than the calculated mechanical quantity from among the plurality of types of support shapes.
    Type: Application
    Filed: July 18, 2018
    Publication date: August 27, 2020
    Inventors: Takashi HAMAGUCHI, Makoto ONODERA, Masayuki HARIYA, Zixian ZHANG, Shingo NORO