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公开(公告)号：US20230139817A1
公开(公告)日：2023-05-04
申请号：US17902051
申请日：2022-09-02
申请人： Hitachi, Ltd.
发明人： Aiko TANAKA , Kazuki OOTSUBO , Yasuaki SAITO
摘要： A system management device manages a monitored system. When a performance failure occurs in the monitored system, the system management device creates a plurality of countermeasures for the performance failure. The system management device evaluates, for each of the plurality of countermeasures, the influence of the countermeasure on the execution of a job having an execution deadline associated with the countermeasure. The system management device selects the countermeasure to be executed on the monitored system from out of the plurality of countermeasures based on the evaluation results.
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公开(公告)号：US20230135199A1
公开(公告)日：2023-05-04
申请号：US17517030
申请日：2021-11-02
申请人： Hitachi, Ltd.
发明人： Hideaki Suzuki , Ahmed Farahat , Adriano Arantes , Chetan Gupta
IPC分类号： G06Q10/06 , G06F16/28 , G06F16/2457
摘要： Systems and methods described herein involve facilitating a recommendation of materials to users, which can involve determining, from a job profile, a job experience level of a user for a job type and equipment type combination; determining, for each material in a database of materials, the job experience level associated with the each material based on an access log to the each material by one or more users and content of the each material to generate a material profile for each of the job experience level; and generating a recommendation of materials from the database for the user based on the determined job experience level of the user and the job experience level associated with the each material.
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公开(公告)号：US20230129992A1
公开(公告)日：2023-04-27
申请号：US17910638
申请日：2021-03-26
申请人： FANUC CORPORATION , HITACHI, LTD.
摘要： A tool state learning device has a storage unit for storing an arbitrary image captured by an imaging device imaging a machined surface of an arbitrary workpiece cut using an arbitrary tool, and a teacher data acquisition unit for acquiring, as input data, an arbitrary image stored in the storage unit, and acquiring, as a label, the state of the tool annotated according to prescribed levels indicating the degree of wear of the tool on the basis of the arbitrary image. The tool state learning device also has a tool state learning unit for using the acquired label and input data to perform supervised learning, and generating a learned model in which a machined surface image of the machined surface of a workpiece imaged by the imaging device is inputted and the state of the tool that cut the machined surface of the workpiece is outputted.
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公开(公告)号：US20230126761A1
公开(公告)日：2023-04-27
申请号：US17511298
申请日：2021-10-26
申请人： Hitachi, Ltd.
IPC分类号： G06K9/00
摘要： Example implementations described herein involve an attribute of an inflow source that is assigned to each trajectory in the camera view, which is used for crowd analysis. The inflow source is estimated using techniques of tracking across cameras. If the inflow source is different even if the flow trajectories are the same direction, the trajectories are visualized in different styles. By using the attribute of the inflow source, it is possible to detect changes and anomalies in the crowd that were difficult to detect using the prior art.
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公开(公告)号：US11636073B2
公开(公告)日：2023-04-25
申请号：US17547474
申请日：2021-12-10
申请人： HITACHI, LTD.
发明人： Masanori Takata , Shimpei Nomura , Yuto Kamo , Mitsuo Hayasaka
IPC分类号： G06F16/188 , G06F16/16 , G06F16/172 , G06F16/17
摘要： When an operation request of a file is made, a first storage system performs an operation of the file stored in the first storage system on the basis of the operation request, describes, in an operation log, a counter value of a management information file, associated with the file on which the operation is to be performed, together with operation content with respect to the file, replies to the operation request, and updates the counter value of the management information file when the file stored in the first storage system is transferred to a second storage system.
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公开(公告)号：US11636015B2
公开(公告)日：2023-04-25
申请号：US17496980
申请日：2021-10-08
申请人： Hitachi, Ltd.
发明人： Masakuni Agetsuma , Yuko Matsui , Shintaro Ito , Hideo Saito
摘要： A storage system includes a plurality of storage nodes. The storage node includes: one or more storage devices which respectively provide a storage area; and one or more control software which read/write requested data from/into the corresponding storage device according to a request from a higher-level device, wherein each of the control software retains predetermined configuration information required for reading/writing requested data from/into the corresponding storage device according to a request from the higher-level device, wherein a plurality of the control software are managed as a redundancy group, and the configuration information retained in each of the control software belonging to the same redundancy group is synchronously updated, and wherein the plurality of control software configuring the redundancy group are each deployed in respectively different storage nodes so as to distribute a load of each of the storage nodes.
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公开(公告)号：US11635295B2
公开(公告)日：2023-04-25
申请号：US17426203
申请日：2020-02-13
申请人： Hitachi, Ltd.
IPC分类号： G01B11/24 , G01B11/14 , G01B9/02091
摘要： A shape of an object is measured with a high degree of accuracy. A shape measurement system comprises: a distance measuring head for irradiating an object with light and receiving light reflected from the object; a distance measuring device for generating a distance detection waveform on the basis of the reflected light; and a control device for analyzing the distance detection waveform and calculating a measured distance value to the object. The shape measurement system is characterized in that the control device calculates a feature amount of the distance detection waveform and performs at least one of a process of correcting an error in the measured distance value by substituting the feature amount into a correction formula and a process of performing a confidence weighting of an error in the measured distance value by substituting the feature amount into a confidence weighting formula.
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公开(公告)号：US11634805B2
公开(公告)日：2023-04-25
申请号：US17058250
申请日：2019-03-11
申请人： Hitachi, Ltd.
发明人： Takahiro Ishizaki , Yusaku Maruno , Kinya Aota , Yingjuan Yang
摘要： An austenitic stainless steel includes a mixed grain structure composed of a columnar crystal having an average crystal grain size of 20 μm or less and an equiaxed crystal having an average crystal grain size of 5.0 μm or less, in which an area proportion of the columnar crystal in the mixed grain structure is 20% or more, and an average crystal grain size of the whole mixed grain structure is 5.0 μm or less. Accordingly, it is possible to provide a material having excellent irradiation resistance and mechanical properties.
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公开(公告)号：US20230121776A1
公开(公告)日：2023-04-20
申请号：US17955585
申请日：2022-09-29
申请人： Hitachi, Ltd.
发明人： Cristina RODRIGUEZ-VERA , Lan LIN
摘要： This invention refers to a method for maintaining machinery, comprising the steps of: a) determining, by a computer, when the machinery will need to be maintained, b) acquiring, by a computer, tasks to be executed by workers, c) generating, by a computer, a list of tasks for at least one of the workers, the list is generated including a task for maintaining the machinery as determined in step a) and including the tasks acquired in step b), d) maintaining the machinery based on the list of tasks for the one of the workers, wherein steps a) to c) are executed independently from each other.
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公开(公告)号：US11630734B2
公开(公告)日：2023-04-18
申请号：US17474395
申请日：2021-09-14
申请人： Hitachi, Ltd.
发明人： Hiroto Ebara , Akira Yamamoto , Yoshinori Ohira , Takahiro Yamamoto , Masakuni Agetsuma , Tatsuya Hirai
摘要： A scale-out storage system includes a plurality of computer nodes each of which has a memory and a processor, and a storage apparatus. The computer nodes have one or more redundancy groups each of which is a group for metadata protection. Each of the one or more redundancy groups includes two or more of the computer nodes including a primary node being a primary computer node and a secondary node being a secondary computer node, and a failover is performed from the primary node to the secondary node. The memory of the primary node has stored therein metadata related to the redundancy group and to be accessed for control. The metadata is redundantly stored in the memory of the primary node and the memory of the secondary node.
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