公开(公告)号：US20210311464A1

公开(公告)日：2021-10-07

申请号：US17210830

申请日：2021-03-24

Applicant: Hitachi, Ltd.

Inventor： Daiki KAJITA ,  Atsuko ENOMOTO

IPC: G05B19/418

Abstract: A line configuration planning device determine a task sequence during production of the to-be-produced product and the task time by the worker or the automatic machine for each task on the basis of the task information and the task time information. The line configuration planning device determine a required cycle time for producing the to-be-produced product on the basis of the production plan information. The line configuration planning device generate, on the basis of the determined task sequence, task time, and required cycle time, an allocation proposal for the worker and the automatic machine such that an estimated cycle time for producing the to-be-produced product is less than or equal to the required cycle time. The line configuration planning device determine a production line configuration for the to-be-produced product on the basis of the allocation proposal and the equipment configuration information.

公开(公告)号：US20230400843A1

公开(公告)日：2023-12-14

申请号：US18034734

申请日：2021-10-14

Applicant: Hitachi, Ltd.

Inventor： Naohiro HAYASHI ,  Takahiro IWATA ,  Hiroshi HOMMA ,  Daiki KAJITA

IPC: G05B19/418

CPC classification number: G05B19/41885 ,  G05B2219/31343

Abstract: A line designing device including a calculation unit and a storage unit, in which the storage unit holds facility information indicating a specification of each module, process design information indicating a component for manufacturing a product, work on the component, and a module used for the work, standard module information indicating a type of each of the modules and another module attachable thereto, and inter-module connection information indicating a connection specification between the modules, the module includes at least one of a facility and a device used for the work, and the calculation unit generates line configuration information identifying the module constituting a manufacturing line for manufacturing the product and connection between the modules based on the facility information, the process design information, the standard module information, and the inter-module connection information, and outputs information indicating a module constituting the manufacturing line and connection between the modules based on the line configuration information.

公开(公告)号：US20230367296A1

公开(公告)日：2023-11-16

申请号：US18245557

申请日：2020-11-02

Applicant: Hitachi, Ltd.

Inventor： Nobuhiro KAKENO ,  Yoshiteru KATSUMURA ,  Daiki KAJITA ,  Takahiro NAKANO ,  Miho ARAI

IPC: G05B19/418

CPC classification number: G05B19/4184 ,  G05B19/41885 ,  G05B2219/31444 ,  G05B2219/32019

Abstract: This industrial system is characterized by being provided with: a storage unit that stores design data used when constructing an industrial line; a simulation execution unit that executes a simulation of movement of the industrial line, based on the design data; and a detection unit that compares a result of the simulation with the movement of the industrial line during operation and detects an abnormality in components of the industrial line. With such a configuration and movement, the present invention can be utilized for line operation support and high-resolution abnormality detection.

公开(公告)号：US20240077842A1

公开(公告)日：2024-03-07

申请号：US18204036

申请日：2023-05-31

Applicant: Hitachi, Ltd.

Inventor： Reiko INOUE ,  Daiki KAJITA ,  Takahiro NAKANO

IPC: G05B13/04 ,  G06Q50/04

CPC classification number: G05B13/04 ,  G06Q50/04

Abstract: An adjustment support system includes a controller and a storage, in which the storage holds production line model data related to a model of one or more production facilities in a cyberspace of a production line and actual machine data obtained by actually measuring one or more production facilities disposed in an actual space of the production line, the controller calculates a difference between the production line model data and the actual machine data, upon determination that the difference exists on a basis of a result of calculating the difference, the controller creates one or more adjustment plans each targeting at least one of the model of the one or more production facilities in the cyberspace or the one or more production facilities disposed in the actual space, and the controller outputs the one or more adjustment plans having been created.

公开(公告)号：US20190275675A1

公开(公告)日：2019-09-12

申请号：US16166255

申请日：2018-10-22

Applicant: HITACHI, LTD.

Inventor： Takashi SENO ,  Daisuke TSUTSUMI ,  Daiki KAJITA ,  Nobuaki NAKASU

IPC: B25J9/16 ,  B25J9/06

Abstract: A trajectory planning apparatus including a joint axis classification unit for classifying a plurality of joint axes of a robot into axis groups, according to joint axis classification information for classifying into the axis groups including at least a path search axis group, a path search unit for searching for a path of an angle of the joint axis classified into the path search axis group that minimizes an evaluation function for evaluating a planed trajectory, based on trajectory start point information representing a posture of the robot at a start point of the planed trajectory and trajectory endpoint information representing a posture of the robot at an end point of the planned trajectory, and an axis group angle calculation unit for calculating an angle of the joint axis classified into each axis group other than the path search axis group during the search of the path.

公开(公告)号：US20250164974A1

公开(公告)日：2025-05-22

申请号：US18730374

申请日：2022-09-02

Applicant: Hitachi, Ltd.

Inventor： Takahiro NAKANO ,  Daiki KAJITA

IPC: G05B19/418 ,  G06Q10/0639

Abstract: The present invention can draft a plurality of countermeasures that can be quantitatively evaluated from a viewpoint corresponding to a plurality of evaluation indexes.
The present invention includes: a countermeasure planning section that formulates a countermeasure plan for production resources of factory equipment in which an abnormality is detected; a storage section that stores line capacity information and plan information, the line capacity information being associated with the countermeasure plan and the production resources and including registered parameters indicating the production capacity of a production line before and after countermeasure implementation, the plan information indicating the production capacity of the production line that involves the production resources in a normal state; and a capacity model creation section that creates a capacity model predicting the production capacity of the production line before and after countermeasure implementation based on the countermeasure plan through the use of the formulated countermeasure plan, the line capacity information, and the plan information.

公开(公告)号：US20240036561A1

公开(公告)日：2024-02-01

申请号：US18267544

申请日：2021-09-29

Applicant: Hitachi, Ltd.

Inventor： Takahiro NAKANO ,  Daiki KAJITA ,  Daisuke TSUTSUMI

IPC: G05B19/418

CPC classification number: G05B19/41885

Abstract: Provided is a quasi-optimal solution for a production line such that a KPI is further improved without deteriorating production throughput after the production line is designed. The invention includes: a storage unit configured to store product CAD information pertaining to a shape of a product, component attribute information pertaining to an attribute of a component, module group specification information pertaining to a specification of a module group implemented by combining attributes of modules as a production resource of the product for respective work processes of the component, and module specification information pertaining to a specification of the module; and a computation unit configured to design a production line by executing an equipment design, a control design, a process design, and an arrangement design in this order. The computation unit includes a candidate module group extraction unit that is a functional unit configured to use the information stored in the storage unit to perform the equipment design, and that is configured to extract a configuration pattern of a candidate module group obtained by combining a candidate of the module group that is work-compatible for each component of the product and the module that is handled in the candidate of the module group.

公开(公告)号：US20230221706A1

公开(公告)日：2023-07-13

申请号：US18009379

申请日：2021-05-10

Applicant: Hitachi, Ltd.

Inventor： Takahiro NAKANO ,  Atsuko ENOMOTO ,  Daiki KAJITA

IPC: G05B19/418

CPC classification number: G05B19/41865 ,  G05B19/4185

Abstract: It is possible to more efficiently make a factory plan configured to maximize a productivity index.
Provided is a factory plan device including a calculation unit configured to specify a process and a production resource candidate based on a shape of a component of a target product by inputting past production performance data of a product, production volume data, design data of the product, specification data of a production resource, and layout data of a factory, and to calculate a process plan configured to determine order of the process and the production resource, a production plan configured to determine working date and time of the production resource, and a layout of the production resource so as to maximize a predetermined productivity index in the factory.

公开(公告)号：US20230011093A1

公开(公告)日：2023-01-12

申请号：US17854541

申请日：2022-06-30

Applicant: Hitachi, Ltd.

Inventor： Masaaki MAEDA ,  Daiki KAJITA

IPC: B25J9/16

Abstract: An adjustment support system comprises an arithmetic unit and a storage unit. The storage unit stores sensor information including features of a sensor that captures an image of a target, and imaging target information including dimensions, shape, and disposition of an imaging target of the sensor, and the arithmetic unit generates a plurality of candidates for an imaging position and posture of the imaging target by the sensor, and determines whether or not positional deviation of the imaging target in a plurality of directions is detectable from a captured image obtained by the sensor based on the sensor information and the imaging target information, with respect to each of the plurality of candidates for the imaging position and the imaging posture. The arithmetic unit then determines an imaging position and posture for the sensor to actually capture an image of the target from the plurality of candidates.

公开(公告)号：US20220075355A1

公开(公告)日：2022-03-10

申请号：US17405070

申请日：2021-08-18

Applicant: Hitachi, Ltd.

Inventor： Atsuko ENOMOTO ,  Daiki KAJITA ,  Takahiro NAKANO ,  Takaharu MATSUI

IPC: G05B19/418 ,  G06F16/28 ,  G06F16/24 ,  B25J9/16

Abstract: In an arrangement design of a robot cell and of robot work, a planning device searches an arrangement graph, that shows candidates for relative positions and orientations between a robot and a fixture; searches a disassembly task sequence, of disassembly tasks that are operations of the robot for disassembling components from the assembly in an arrangement of the relative positions and orientations between the robot and the fixture, and searches for, based on a point sequence of positioning relay points of the robot, a trajectory in which the robot disassembles the components from the assembly; and generates assembly tasks formed of a point sequence obtained by reversing the point sequence of the relay points, an assembly trajectory of the robot which is reverse to a disassembly trajectory formed of interpolation points between the point sequences, and an assembly sequence, which is a reverse order of the disassembly task sequence.