Patents Assigned to Yokogawa Electric Corporation
  • Publication number: 20200320448
    Abstract: A plant operation support system supports an operation of a plant. The plant operation support system includes a fluctuation prediction device configured to predict a fluctuation of an element which is input to the plant, and a simulation device configured to simulate a behavior of the plant using a fluctuation of the element predicted by the fluctuation prediction device and data which is obtained from the plant.
    Type: Application
    Filed: March 31, 2020
    Publication date: October 8, 2020
    Applicant: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Yuta MACHIDA, Ryosuke KASHIWA, Hirotsugu GOTOU, Tomoya HOSHINO
  • Patent number: 10794746
    Abstract: A field device configured to measure a state amount of a fluid as a measured value, the field device includes a slug flow detector configured to detect an occurrence of a slug flow, and a controller configured to hold a hold value of the measured value if the occurrence of the slug flow is detected by the slug flow detector, the hold value being a value based on at least one measured value in a predetermined period from a predetermined time before a time at which the slug flow has been detected.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: October 6, 2020
    Assignees: Yokogawa Electric Corporation, Rota Yokogawa GmbH & Co. KG
    Inventors: Soichiro Katsushima, Janus Slotwinski, Yoshihiro Chiken
  • Patent number: 10796031
    Abstract: An industrial plant module-based engineering method includes the following processes. The process is for duplicating a source engineering template having one or more source child templates to create a duplicated engineering template having one or more duplicated child templates, without duplicating any instances. The process is for selecting at least one child instance instantiated from the source engineering template and having an original link to the source engineering template. The process is for changing the original link into a new link between the selected at least one child instance and the duplicated engineering template. The selected at least one child instance has the new link to the duplicated engineering template and is free of the original link to the source engineering template, and wherein unselected one or more child instances remain to have the original link to the source engineering template.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: October 6, 2020
    Assignee: Yokogawa Electric Corporation
    Inventors: Hideki Murata, Mark Anthony De Castro Cu-Unjieng, Naing Oo Lin, Archie Sambitan Orido, Efendi Supiman, Thin Sapal Yu, Janet Tria
  • Patent number: 10788820
    Abstract: A plant state displaying apparatus displaying information representing a state of a plant includes a generator that: acquires plant information from at least one of devices, apparatuses, and facilities installed in the plant; calculates a state value representing the state of the plant using the plant information; and generates a plant state diagram in which at least one of a color and a density of at least one of devices, apparatuses, and facilities from which the plant information is acquired is changed according to magnitude of the state value; and a display that displays the plant state diagram generated by the generator as the information representing the state of the plant.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: September 29, 2020
    Assignee: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Tatenobu Seki, Mitsuhiro Yamamoto, Yoshihisa Hidaka, Nobuaki Ema
  • Patent number: 10788420
    Abstract: A gas analyzer has a probe member attachable to a flow path wall of a flow path through which an analyte gas flows and an analytical member having a second connection portion detachably attached to a first connection portion located at a base end. The probe member has a reflective portion and a measurement area defined therein for introducing the analyte gas. The analytical member has a light emission portion and a light reception portion. The light emission portion irradiates measurement light toward the measurement area, the reflection portion reflects the measurement light incident on the measurement area, and the light reception portion receives the measurement light reflected by the reflection portion. The probe member has a window portion isolating the measurement area from outside of the base end side and transmitting the measurement light.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: September 29, 2020
    Assignee: YOKOGAWA ELECTRIC CORPORATION
    Inventor: Junichi Matsuo
  • Publication number: 20200303922
    Abstract: A power supply system includes at least two power supply apparatuses that supply current to one load. Each power supply apparatus includes a converter that supplies current to the load, a FET connected in series between the converter and the load, a current detection unit that detects current flowing between the converter and the load, and a droop characteristic controller that causes output voltage of the converter to droop at a droop rate determined based on the magnitude of load current flowing from the converter towards the load. The droop rate is greater when the load current is included in a first current section than when the load current is included in each of a second current section and a third current section. The second current section includes smaller current than the first current section. The third current section includes larger current than the first current section.
    Type: Application
    Filed: March 10, 2020
    Publication date: September 24, 2020
    Applicant: Yokogawa Electric Corporation
    Inventors: Kei FUKUHARA, Iwao NAKANISHI
  • Publication number: 20200302024
    Abstract: An industrial plant module-based engineering method includes the following processes. The process is for duplicating a source engineering template having one or more source child templates to create a duplicated engineering template having one or more duplicated child templates, without duplicating any instances. The process is for selecting at least one child instance instantiated from the source engineering template and having an original link to the source engineering template. The process is for changing the original link into a new link between the selected at least one child instance and the duplicated engineering template. The selected at least one child instance has the new link to the duplicated engineering template and is free of the original link to the source engineering template, and wherein unselected one or more child instances remain to have the original link to the source engineering template.
    Type: Application
    Filed: March 20, 2019
    Publication date: September 24, 2020
    Applicant: Yokogawa Electric Corporation
    Inventors: Hideki Murata, Mark Anthony De Castro Cu-Unjieng, Naing Oo Lin, Archie Sambitan Orido, Efendi Supiman, Thin Sapal Yu, Janet Tria
  • Patent number: 10782321
    Abstract: An excitation core includes an annular strip-shaped magnetic substance, in which both ends of the strip-shaped magnetic substance are overlapped in a thickness direction and are in contact with one another. A sensor head includes: this excitation core and a magnetism collecting body. The magnetism collecting body includes a strip-shaped first magnetism collector and a strip-shaped second magnetism collector, the first magnetism collector having both ends thereof in contact with both ends of the second magnetism collector to form the annular magnetism collecting body, the magnetism collecting body being disposed on an inside or an outside of the reinforcing body.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: September 22, 2020
    Assignees: Yokogawa Electric Corporation, YOKOGAWA TEST & MEASUREMENT CORPORATION
    Inventors: Takanobu Shinagawa, Kiyoshi Yokoshima
  • Patent number: 10783117
    Abstract: An engineering apparatus that is used for supporting engineering of facilities in an industrial plant according to one aspect of the present invention includes a storage storing a first data file group including first data files, the first data files including element information indicating one or a plurality of functional blocks that are constituent elements of a control logic for controlling operation of the industrial plant, a processor configured to change the element information included in the first data files, and a determiner configured to acquire a second data file group including second data files, the second data files including the changed element information in another engineering apparatus, extract differential files including the changed element information from each of the first data file group and the second data file group, and determine whether there is mismatching between functional blocks indicated by the element information included in the differential files.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: September 22, 2020
    Assignee: Yokogawa Electric Corporation
    Inventors: Takahiro Kambe, Hiroshi Iriguchi, Takaaki Matsuda
  • Publication number: 20200284930
    Abstract: A building integrity assessment system includes: an earthquake detector including: a building bottom sensor at a bottom of a building and that detects acceleration and an earthquake early-warning receiver that receives an earthquake early warning; a cloud computer; and sensors disposed at a plurality of positions in the building and that measures an influence of an earthquake on the building at each of the positions and wirelessly transmits measurement results to the cloud computer. The cloud computer estimates and evaluates the integrity of the building based on the measurement results. In response to the building bottom sensor detecting preliminary tremors or the earthquake early-warning receiver receiving the earthquake early warning, the plurality of sensors measures the influence of the earthquake on the building from a time before a major motion arrives at the building to a time after the arrival.
    Type: Application
    Filed: March 2, 2020
    Publication date: September 10, 2020
    Applicant: Yokogawa Electric Corporation
    Inventors: Takenori Hida, Kouichi Sato, Takashi Yoshida, Yasushi Higashino, Tetsuya Shimosaka
  • Patent number: 10768046
    Abstract: A spectrometry device includes a first converter that processes a reception signal based on an irradiation light from a first emitter, a second converter that processes a reception signal based on an irradiation light from a second emitter, and a controller that controls the first emitter and the second emitter. The reception signal based on the irradiation light irradiated from the first emitter includes a first reception signal and a second reception signal that each include information that relates to an optical spectrum. When the controller stops the operation of the second emitter, the first converter converts the first reception signal into a first digital signal and the second converter converts the second reception signal into a second digital signal.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: September 8, 2020
    Assignee: YOKOGAWA ELECTRIC CORPORATION
    Inventor: Masanori Okada
  • Patent number: 10768590
    Abstract: A plant operation support device for simulating an operation of a plant based on information obtained from the plant, includes: an operation condition setting part that sets an operation condition of the plant and a timing for applying the operation condition; and a transient state prediction part that predicts a transient state of the plant from a specific time point to the future in a case in which the operation condition of the plant set by the operation condition setting part is applied at the timing.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: September 8, 2020
    Assignee: Yokogawa Electric Corporation
    Inventors: Ryosuke Kashiwa, Azusa Takenaka, Toshiaki Omata, Shin Ishimaru, Makoto Nakaya
  • Publication number: 20200278256
    Abstract: A Fourier spectroscopic analyzer includes: a light receiver that receives a first wavelength component of a first wavelength band and a second wavelength component of a second wavelength band different from the first wavelength band, emits an interferogram to a sample, and outputs a first light reception signal acquired by receiving the first wavelength component and a second light reception signal acquired by receiving the second wavelength component; and a signal processing device that eliminates noise of the first wavelength component and acquires the spectrum by Fourier transform processing using the first light reception signal and the second light reception signal. The first wavelength band is a wavelength band of which a spectrum is acquired among wavelength components included in light that has passed through the sample. The interferogram is interference light and the sample is an analysis target.
    Type: Application
    Filed: September 10, 2018
    Publication date: September 3, 2020
    Applicant: Yokogawa Electric Corporation
    Inventors: Yasuyuki Suzuki, Yukihiro Nakamura, Masashi Nishi, Tetsushi Namatame
  • Publication number: 20200272708
    Abstract: Unauthorized use of software can be prevented while ensuring high availability of a system. A computer system according to the present disclosure includes a plurality of computer apparatuses. When an identifier of a first computer apparatus among the computer apparatuses is included in a license file that includes identifiers of computer apparatuses to which a license for software to perform coordinated operations is granted, the first computer apparatus permits the coordinated operations, using the software, by a second computer apparatus other than the first computer apparatus among the computer apparatuses that perform the coordinated operations, even if an identifier of the second computer apparatus is not included in the license file.
    Type: Application
    Filed: February 19, 2020
    Publication date: August 27, 2020
    Applicant: YOKOGAWA ELECTRIC CORPORATION
    Inventor: Yuji TAKABAYASHI
  • Publication number: 20200272974
    Abstract: A quality stabilization system includes a design system unit and an execution system unit. The design system unit is configured to extract a feature amount indicating a time transition of operation data which is data related to a plurality of production elements of a product in a section in which there is likelihood of an influence on quality of the product from the operation data, generate an evaluation index, and define running maintenance improvement information from the evaluation index. The execution system unit is configured to monitor the operation data related to the product to be produced and supply reference information referred to in decision-making of a worker using the running maintenance improvement information when the execution system unit has detected that the quality of the product is likely to deviate from an allowable range of the evaluation index.
    Type: Application
    Filed: February 19, 2020
    Publication date: August 27, 2020
    Applicant: Yokogawa Electric Corporation
    Inventors: Keiji Sato, Noboru Wakiyama, Masayasu Ohashi
  • Patent number: 10754667
    Abstract: An industrial plant module-based engineering system includes a group module library navigator that contains: a plurality of group class modules and a respective plurality of child class modules under an associated group class module of the plurality of group class modules. A group module instantiation engine is configured to instantiate the group class module with reflecting a hierarchy of the group class modules to generate, in an application structure navigator, a group application module (group APM) and a hierarchy of the group application module (group APM) from the group class module, and to instantiate the child class module to generate, in the application structure navigator, a child application module (child APM) from the child class module. The group module update engine is configured to update the allocation of each group class module and a respective topology of the complex loops of each group class module.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: August 25, 2020
    Assignee: Yokogawa Electric Corporation
    Inventors: Mark Anthony De Castro Cu-Unjieng, Isao Hirooka, Hideki Murata, Naing Oo Lin, Archie Sambitan Orido, Takeshi Mori, Wilfred Woon Yew Teo, Ying Tzu Huang, Daisuke Yasunami
  • Patent number: 10754990
    Abstract: A measurement device is provided. The measurement device includes a display, a detector, an operation unit, and a central processing unit. The detector detects a physical quantity and outputs measurement data based on the detected physical quantity. The operation unit includes plural keys for performing operation functions for operating the measurement device to detect and output the measurement data. The central processing unit controls the display to display the measurement data on the display, and to lock the operation unit such that all of the operation functions are temporarily inoperable except for an unlocking function and one or more of the operation functions that is set to be selectively operable even when the operation unit is locked.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: August 25, 2020
    Assignees: Yokogawa Electric Corporation, YOKOGAWA TEST & MEASUREMENT CORPORATION
    Inventors: Gentaro Ishihara, Tohru Mori
  • Patent number: 10747856
    Abstract: A setting apparatus according to an aspect of the present invention includes an authenticator configured to authenticate an operator using a setting apparatus, the setting apparatus performing a setting of an I/O module including a plurality of first connectors to which field devices are connectable and a second connector to which a controller controlling the field devices is connectable, and an authorizer configured to assign operation authorization to the operator authenticated by the authenticator on the basis of previously set authorization definition information, the operation authorization allowing the operator to perform at least one operation using the setting apparatus, the authorization definition information including first information and second information, the first information defining whether or not a change of input and output information of the field device connected to each of the first connectors is permitted, the second information defining whether or not a change of each item of the inpu
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: August 18, 2020
    Assignee: Yokogawa Electric Corporation
    Inventor: Hiroshi Mori
  • Publication number: 20200256792
    Abstract: A method for testing an analysis apparatus that analyzes a first fluid flowing through a pipe using light that has passed through a probe attached to and disposed inside the pipe such that a portion of a light path passes outside a housing of the probe. The method includes: after a second fluid that absorbs less of the light than the first fluid has been introduced into the pipe, introducing a third fluid having predetermined absorption characteristics into the housing of the probe; and analyzing the absorption characteristics of the third fluid using the light that has passed through the probe.
    Type: Application
    Filed: September 5, 2018
    Publication date: August 13, 2020
    Applicant: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Yoshihisa Hidaka, Gen Matsuno, Shigeru Takezawa, Hideko Tanaka, Kaori Sakuma, Akihiro Murata, Toshiki Ohara
  • Patent number: D895550
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: September 8, 2020
    Assignee: Yokogawa Electric Corporation
    Inventors: Hiroki Tabata, Naoto Takano, Mitsuhiro Kamiya, Takuya Nidaira, Keiichi Sasaki