Patents by Inventor Kazutaka Obara

Kazutaka Obara 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).

  • Publication number: 20210286922
    Abstract: A test planning device builds up a boiler model data by using a plurality of input parameters of the boiler classified into a plurality of parameter groups. The apparatus selects one of the plurality of parameter groups as a parameter group subjected to learning, presents test conditions in which an input parameter thereof is defined as a variable, and an input parameter of a parameter group not subjected to learning is defined as a fixed value. The device modifies the model data on the basis of the result of comparison between an actual process value and a virtual process value using the present test conditions, selects a new parameter groups subjected to learning, and presents new test conditions which use the input parameter of the test conditions in which the input parameter of the previous parameter group subjected to learning is optimal, as the fixed value.
    Type: Application
    Filed: February 5, 2018
    Publication date: September 16, 2021
    Applicant: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Kazutaka Obara, Yoshinori Yamasaki, Kazuhiro Domoto, Arun Kumar Chaurasia, Hisashi Sanda, Hirotomo Hirahara, Atsushi Miyata, Keigo Matsumoto, Hiroyoshi Kubo, Toshihiro Baba
  • Publication number: 20200104542
    Abstract: A simulation results evaluation device applies plural numbers of virtual input parameters (VIPs) of a simulation test of the power generation facility to model data showing virtual behaviors of the power generation facility. The device calculates each of virtual process values (VPVs) with respect to each of the VIPs and a score obtained by multiplying the VPV by a coefficient of a positive value when the VPV is included in a predetermined target range, the coefficient being set for each of the VPVs, the coefficient being assigned such that as a deviation from a predetermined target becomes greater, the value of the coefficient becomes smaller, or a coefficient of a negative value when the VPV is included within a permissible range provided adjacently to the predetermined target range. The device extracts a simulation test condition that satisfies a predetermined evaluation condition based on the calculated score.
    Type: Application
    Filed: February 5, 2018
    Publication date: April 2, 2020
    Applicant: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Kazutaka Obara, Yoshinori Yamasaki, Kazuhiro Domoto, Arun Kumar Chaurasia, Hisashi Sanda, Hirotomo Hirahara, Atsushi Miyata, Keigo Matsumoto, Hiroyoshi Kubo, Toshihiro Baba