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1.发明公开公开(公告)号：US20240308558A1
公开(公告)日：2024-09-19
申请号：US18578872
申请日：2022-04-28
Applicant: Hitachi, Ltd.
Inventor： Yuko YAMASHITA , Yuichi KOBAYASHI , Tsuyoshi MINAKAWA , Yasuhide MORI , Yumiko ISHIDO , Kazumasa TOKUHASHI , Atsushi TOYAMA , Hirotake YOSHIDA
IPC: B61L27/16
CPC classification number: B61L27/16
Abstract: An operation plan change assistance system includes a determination model generation unit configured to generate an operation plan change determination model that receives information about a train operation content before a certain point in time and information about a change in an operation plan executed before the point in time and outputs information about a change in operation plan to be executed next; and an operation plan change proposal creation unit configured to input information about a train operation content before a point in time designated by a user and information about a change in an operation plan executed before the designated point in time, create change candidates that are candidates for each change in an operation plan to be executed in stages after the designated point in time, specify a change candidate that satisfies a predetermined condition, and create the specified change candidate as an operation plan change proposal.
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公开(公告)号：US20220300879A1
公开(公告)日：2022-09-22
申请号：US17411085
申请日：2021-08-25
Applicant: Hitachi, Ltd.
Inventor： Akiko KATO , Tsuyoshi MINAKAWA
IPC: G06Q10/06 , G08G1/16 , G08G1/00 , G06F16/901
Abstract: A replanned plan output device that outputs a replanned plan for an operation plan of performing planned schedules in order by an operation of a vehicle in charge, includes: a replanned candidate determination unit configured to, when a difficult-to-perform schedule that becomes difficult to be performed by the vehicle in charge among the planned schedules occurs, determine another vehicle as a candidate for a substitute vehicle for performing the difficult-to-perform schedule; and a substitute vehicle selection unit configured to, when a plurality of candidates for the substitute vehicle are set, select the substitute vehicle for performing the difficult-to-perform schedule from the plurality of candidates for the substitute vehicle in consideration of the number of changes of the vehicle in charge and an additional cost of each of the schedules specified in the operation plan.
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3.发明申请公开(公告)号：US20220188725A1
公开(公告)日：2022-06-16
申请号：US17438784
申请日：2020-02-21
Applicant: Hitachi, Ltd.
Inventor： Tsuyoshi MINAKAWA , Keiji KIMURA , Michi KARIATSUMARI , Masahito KOKUBO , Megumi YAMAGUCHI
Abstract: A timetable creation apparatus 100 for correcting a target timetable being a train timetable to be used to control a group of trains by using a predicted passenger demand to thereby create a new target timetable, includes: an objective function generation unit 115 that generates an objective function for an operation headway between trains included in the group of trains by using the predicted passenger demand; a constraint condition generation unit 117 that derives constraint conditions which an arrival time and a departure time of each of the trains at each of stations should satisfy for operation of the group of trains; and a candidate timetable creation unit 119 that creates a candidate timetable as an update candidate for a target timetable by using an arrival time and a departure time of each of the trains at each of the stations derived by optimizing the objective function under the constraint conditions.
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Patent Agency Ranking
公开(公告)号：US20210003409A1
公开(公告)日：2021-01-07
申请号：US16979370
申请日：2019-03-15
Applicant: Hitachi, Ltd.
Inventor： Ryota UEMATSU , Keiji KIMURA , Tsuyoshi MINAKAWA , Miki YONEHARA
Abstract: When input information including starting point information and destination information are input, this transport navigation system searches for a route for traveling from the starting point to the destination by a train of a transportation means on the basis of the input information, and outputs travel route information about the travel route obtained. The transport navigation system includes: a storage unit which stores the input information, an actual timetable including actual operation of the train, and a software program; and a CPU which executes the software program with reference to the input information and the actual timetable. The CPU calculates, on the basis of the actual timetable and the input information, the travel route from the starting point to the destination and a statistical amount about a travel time according to the travel route, and generate travel route information on the basis of the travel route and the statistical amount.
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公开(公告)号：US20230311965A1
公开(公告)日：2023-10-05
申请号：US18022626
申请日：2021-09-07
Applicant: Hitachi, Ltd.
Inventor： Ryota UEMATSU , Tsuyoshi MINAKAWA , Yuki MAEKAWA
Abstract: A train operation support system for outputting a rescheduled timetable for a planned timetable of a train from a computer by using the planned timetable and an actual timetable of the train includes a timetable modification unit that modifies the planned timetable by using a given timetable modification method, a passenger flow prediction unit that calculates passenger staying information containing information indicating the number of staying passengers in each time zone at each station, by using demand information indicating a destination of a passenger in each time zone at each station where the train stops, a timetable rescheduling unit that modifies the demand information in reference to the planned timetable modified by the timetable modification unit, inputs the modified demand information to the passenger flow prediction unit, and creates the rescheduled timetable for the planned timetable by using the passenger staying information output from the passenger flow prediction unit, and an output unit that outputs the rescheduled timetable created by the timetable rescheduling unit.
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公开(公告)号：US20230281532A1
公开(公告)日：2023-09-07
申请号：US18017699
申请日：2021-08-25
Applicant: Hitachi, Ltd.
Inventor： Tsuyoshi MINAKAWA , Yuki MAEKAWA , Ryota UEMATSU , Yuko YAMASHITA , Yumiko ISHIDO , Yuichi KOBAYASHI
IPC: G06Q10/0631 , G06Q50/30
CPC classification number: G06Q10/06315 , G06Q50/30
Abstract: Provided is a service plan change assistance apparatus (110) including: a storage apparatus (13) that stores a decision model in which a service status of each of a delayed train and a to-be-delayed train to be delayed due to the delayed train and train service plan change content for recovering a delay of the to-be-delayed train are associated with each other, in association with a station at which the to-be-delayed train is delayed due to the delayed train; and an arithmetic apparatus (11) that estimates a future train service status based on a train service plan and a train service record before a current time, identifies, from the estimated train service status, the station at which the to-be-delayed train to be delayed due to the delayed train is standing, inputs information on the estimated train service status to a decision model associated with the identified station to create a service plan change proposal that includes information indicating train service change content for recovering the delay of the to-be-delayed train, and outputs the created service plan change proposal.
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公开(公告)号：US20220358422A1
公开(公告)日：2022-11-10
申请号：US17642893
申请日：2020-09-10
Applicant: Hitachi, Ltd.
Inventor： Yuki MAEKAWA , Ryota SATO , Ryota UEMATSU , Tsuyoshi MINAKAWA , Tomoe TOMIYAMA
IPC: G06Q10/04
Abstract: A timetable planning system 1 includes a storage device 13 and a computing device 11. The storage device 13 stores evaluation index improvement degree information 320 that stores relations between a change of each constituent element of an operation timetable on one hand and a change in quality of the operation timetable resulting from the change of each constituent element in terms of each operation timetable viewpoint on the other hand. The computing device 11 performs a changeable timetable element selection process of selecting the operation timetable constituent element that most improves the quality of the operation timetable, in reference to the evaluation index improvement degree information, an optimization model selection process of selecting, from among multiple timetable generating models each capable of generating the operation timetable, the timetable generating model that most improves the quality of the whole operation timetable through the change of the selected constituent element, and a timetable optimization process of generating a new operation timetable based on the selected timetable generating model.
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公开(公告)号：US20190197047A1
公开(公告)日：2019-06-27
申请号：US16331674
申请日：2017-07-21
Applicant: Hitachi, Ltd.
Inventor： Yuko YAMASHITA , Tsuyoshi MINAKAWA , Tomoe TOMIYAMA , Kenji KAWASAKI , Hidenori YAMAMOTO , Takeshi HANDA , Takashi TSUNO , Hiroyuki HIRATA
CPC classification number: G06F16/285 , G06F11/301 , G06F11/3476 , G06F16/00 , G06F16/288
Abstract: A data analysis support apparatus includes: a relationship network generation section that analyzes a relationship between operating systems, a relationship between operation data tables, a relationship between data items possessed by the operation data tables and a relationship between data values possessed by records of the operation data tables and stores them, as a relationship network; a data item classification section that classifies data items that become a data analysis target into a first data type based on an actual value and a second data type based on a planned value or a pre-definition; an analysis data table generation section that generates and accumulates an analysis data table to be used for data analysis; a data model generation section that generates, as a data model, a data item group that allows data analysis in combination; and an analysis target item presentation section that recommends a data item to be made an analysis target.
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