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41. 发明公开

EP4105751A2 ABNORMALITY DETECTION SYSTEM AND ABNORMALITY DETECTION METHOD 审中-公开
公开(公告)号：EP4105751A2
公开(公告)日：2022-12-21
申请号：EP22176123.2
申请日：2022-05-30
申请人： Hitachi, Ltd.
发明人： DOHI, Kota , PUROHIT, Harsh Pramodbhai , TANABE, Ryo , YAMAMOTO, Masaaki , ENDO, Takashi , KAWAGUCHI, Yohei
IPC分类号： G05B23/02 , G06N20/00
摘要： Provided are an abnormality detection system and an abnormality detection method capable of performing more stable abnormality detection. An abnormality detection system that detects an abnormality of the target machine by a computer includes a communication unit configured to acquire first data from a first sensor attached to the target machine and second data from a second sensor attached to the target machine, an arithmetic unit, and a memory unit. The arithmetic unit includes an encoding unit trained to generate latent expressions including a predetermined latent expression that estimates the second data on the basis of the first data, a decoding unit trained to restore the first data from the latent expressions, and an abnormality detection unit configured to detect the abnormality of the target machine on the basis of a restoration error between the first data and the first data restored by the decoding unit.

42. 发明公开

EP4096044A1 ENERGY MANAGEMENT APPARATUS, ENERGY MANAGEMENT SYSTEM AND ENERGY MANAGEMENT METHOD 审中-公开
公开(公告)号：EP4096044A1
公开(公告)日：2022-11-30
申请号：EP22161821.8
申请日：2022-03-14
申请人： Hitachi, Ltd.
发明人： HASEGAWA, Hiroaki , ISHIKAWA, Takao , SHIRAKAWA, Yuzo , NISHIDE, Akinori , FURUTA, Futoshi , WATANABE, Keiji
IPC分类号： H02J3/06 , H02J3/38 , H02J3/48 , H02J3/46 , H02J3/00 , G05B15/02 , H01M8/04298 , H02J3/32
摘要： An energy management apparatus manages energy of facilities, has a processor and a storage device and is capable of accessing a control device which controls a cogeneration device which supplies power to a power loading device in each of the facilities and heat to a heat loading device in the facility, wherein the processor acquires a power-generation plan based on time-series power demand in each of the facilities and a time-series power-generation amount of the cogeneration device; and controls the control device of a first facility so that at least one of stop of the cogeneration device of the first facility in the facilities, charging of a secondary cell in the first facility, and power supply to the power loading device of a second facility in the facilities from the cogeneration device of the first facility is performed during a control target period on the basis of the power-generation plan.

43. 发明公开

EP4095732A1 SIMULATION MODEL GENERATION DEVICE, SIMULATION MODEL GENERATING METHOD, AND PROGRAM 审中-公开
公开(公告)号：EP4095732A1
公开(公告)日：2022-11-30
申请号：EP22172697.9
申请日：2022-05-11
申请人： Hitachi, Ltd.
发明人： NAGAI, Yutaka , OHTOSHI, Sanato , UTSUGI, Kei
IPC分类号： G06F30/10 , G06F111/04
摘要： An object of the invention is to efficiently and automatically generate a simulation model used for verification from 3D CAD information. In order to solve the above problem, the invention provides a simulation model generation device configured to identify a connection relation between part elements constituting the device. The simulation model generation device includes: a contact surface number determination unit (1804) configured to determine the number of contact surfaces between the part elements using structural model data in the device; a shared rotation axis determination unit (1803) configured to determine, using the structural model data, presence or absence of a shared rotation axis between the part elements; and a connection relation identification unit (1805) configured to identify a connection relation between the part elements indicating any one of non-contact, fixation, slide, and rotation according to the number of the contact surfaces and the presence or absence of a shared rotation axis.

44. 发明公开

EP4082955A1 ARCHITECTURAL MODEL DATA ASSISTANCE SYSTEM AND ARCHITECTURAL MODEL DATA ASSISTANCE METHOD 审中-公开
公开(公告)号：EP4082955A1
公开(公告)日：2022-11-02
申请号：EP20904799.2
申请日：2020-11-04
申请人： Hitachi, Ltd.
发明人： FUJIWARA Masayasu , HATORI Takahiro , TORIUMI Wataru
IPC分类号： B66B3/00 , G06Q10/04
摘要： To enable a simulation that takes into consideration the detailed movements and determinations of people at an elevator platform without manually providing data about front-of-line position information, the present invention: includes a front-of-line position estimation unit that estimates a front-of-line position of people at an elevator platform; estimates, from inputted architectural model data, the front-of-line position at the elevator platform; and simulates overall movement in a building, including an action of waiting at the platform and an action of orderly boarding when using the elevator, using the estimated front-of-line position and the architectural model data as inputs.

45. 发明公开

EP4075310A1 ELECTRONIC INSTRUMENT, AND ATTACK DETECTING METHOD FOR ELECTRONIC INSTRUMENT 审中-公开
公开(公告)号：EP4075310A1
公开(公告)日：2022-10-19
申请号：EP20897866.8
申请日：2020-12-07
申请人： Hitachi, Ltd.
发明人： SHIMBO, Kenichi , TOBA, Tadanobu
IPC分类号： G06F21/52
摘要： Malware infection or an abnormal operation caused by a malicious attack is detected in real time, even in an electronic device with relatively inferior processing capacity. An electronic device includes an executable code identification unit configured to receive an executable code string output from a processor, and identify at least an execution address in a user program region of an operating system (OS), and an execution address in a kernel region, and a determination unit configured to check a predetermined feature value obtained at a predetermined timing from an identification result obtained by the executable code identification unit, against a predetermined expected value, and determine that an attack happens, in a case where a difference is equal to or larger than a predetermined difference, and the determination unit notifies the processor of a predetermined abnormality notification signal if the determination unit determines that an attack happens.

46. 发明公开

EP4064142A1 MAINTENANCE PLAN ASSISTANCE METHOD AND MAINTENANCE PLAN ASSISTANCE DEVICE 审中-公开
公开(公告)号：EP4064142A1
公开(公告)日：2022-09-28
申请号：EP20889701.7
申请日：2020-10-15
申请人： Hitachi, Ltd.
发明人： SHINGE, Takahide , AMIMOTO, Kaoru , NISHIKAWA, Genta , NUMATA, Ippei , UEKI, Yosuke
IPC分类号： G06Q10/00 , G05B19/418
摘要： A maintenance plan assistance system 100 configured to include: holding, in a storage device 101, remaining life information relating to devices covered by a maintenance plan, and a list of maintenance menus; and a computation device 104 identifying a maintenance effect when each maintenance menu is applied to each of the devices based on the maintenance menus and temporal changes in failure probabilities of each of the devices indicated by the remaining life information, identifying a variable range of a condition-based maintenance implementation timing, the variable range being dependent on the maintenance effect, and determining a maintenance menu including the variable range for a predetermined maintenance timing, and outputting, to a predetermined device, information including the maintenance menu identified by the determination and the condition-based maintenance implementation timing changed to the predetermined maintenance timing.

47. 发明公开

EP4060849A1 STATE ESTIMATION SYSTEM, AND STATE ESTIMATION METHOD 审中-公开
公开(公告)号：EP4060849A1
公开(公告)日：2022-09-21
申请号：EP21193653.9
申请日：2021-08-27
申请人： Hitachi, Ltd.
发明人： KIRIHARA, Kenta , UENO, Shintaro , YATSU, Masahiro
IPC分类号： H02J3/24
摘要： To enhance the performance of estimation of the state of an electrical power system.
A state estimation system 1 that estimates a state of an electrical power system includes: a storage section that stores instantaneous value information D4 which is information of instantaneous values received from the electrical power system, and remote telemetry information D2, and phasor measurement information D3 which are measurement information received from the electrical power system; an instantaneous value processing section 3 that judges, on a basis of the instantaneous value information D4, whether or not effective phase information can be obtained from the instantaneous value information D4, and calculates phase information, and an effective value from the instantaneous value information in a case that it is judged that effective phase information can be obtained from the instantaneous value information, and calculates an effective value without calculating phase information from the instantaneous value information in a case that it is judged that effective phase information cannot be obtained from the instantaneous value information; and
a state estimating section 4 that estimates the state of the electrical power system on a basis of: the calculated phase information, and the effective value, or the effective value calculated without calculating the phase information; the remote telemetry information, and the phasor measurement information; and a topology of the electrical power system.

48. 发明公开

EP4060578A1 REPLANNED PLAN OUTPUT DEVICE 审中-公开
公开(公告)号：EP4060578A1
公开(公告)日：2022-09-21
申请号：EP21195619.8
申请日：2021-09-08
申请人： Hitachi, Ltd.
发明人： KATO, Akiko , MINAKAWA, Tsuyoshi
IPC分类号： G06Q10/06
摘要： 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.

49. 发明公开

EP4053854A1 NURSING SUPPORT SYSTEM AND REPORT GENERATING DEVICE 审中-公开
公开(公告)号：EP4053854A1
公开(公告)日：2022-09-07
申请号：EP19950637.9
申请日：2019-10-31
申请人： Hitachi, Ltd.
发明人： MIYATA, Tatsuhiko , LIN, XiaoLie , YAMANAKA, Eiji , MIYAZAKI, Kunihiko , UCHIDA, Makio , FU, Ziyi , MATSUMORI, Masaki
IPC分类号： G16H80/00
摘要： A nursing support system and a report generating device are disclosed. The nursing support system includes: a detection device for detecting the body of a nursing recipient to obtain detection data related to the physical status of the nursing recipient; a first report generating device for generating, according to the detection data, evaluation indexes based on international evaluation standards, i.e., international evaluation standard data, and generating a nursing report for the nursing recipient by analyzing the international evaluation standard data, the international evaluation standards being standards for evaluating human health status; and an output device for outputting the nursing report.

50. 发明公开

EP4046890A1 SENSOR PERFORMANCE EVALUATION SYSTEM AND METHOD, AND AUTOMATIC DRIVING SYSTEM 审中-公开
公开(公告)号：EP4046890A1
公开(公告)日：2022-08-24
申请号：EP20875681.7
申请日：2020-09-18
申请人： Hitachi, Ltd.
发明人： ODA, Atsushi , KATSUTA, Keiichi
IPC分类号： B61L25/04 , B60L3/00 , B60L3/08 , G01S7/40 , G01S13/08 , G01S13/93
摘要： There are included a recording unit 5 that records an installation position of a ground installation object 1 and an installation identifier of the ground installation object 1 for each of a plurality of the ground installation objects 1 installed beside a track 9 on which a vehicle 8 of a track transport system mounted with an external sensor 3 travels; an installation object recognition unit 4 that specifies the installation identifier from external sensor information including information detected by the external sensor 3 and recognizes the ground installation object corresponding to the installation identifier by referring to the recording unit 5; and a detection distance calculation unit 6 that calculates a detection distance of the external sensor 3. The detection distance calculation unit 6 calculates the detection distance of the external sensor 3 from a self-position of the vehicle 8 at which the ground installation object 1 is recognized and the installation position of the ground installation object 1 recognized by the installation object recognition unit 4. In addition, the installation identifier of the ground installation object 1 is preferably a two-dimensional barcode.

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