EP3246223A1 - Zustandsüberwachungsvorrichtung, zustandsüberwachungssystem und zug - Google Patents

Zustandsüberwachungsvorrichtung, zustandsüberwachungssystem und zug Download PDF

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Publication number
EP3246223A1
EP3246223A1 EP16737159.0A EP16737159A EP3246223A1 EP 3246223 A1 EP3246223 A1 EP 3246223A1 EP 16737159 A EP16737159 A EP 16737159A EP 3246223 A1 EP3246223 A1 EP 3246223A1
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EP
European Patent Office
Prior art keywords
vehicle
sensor signal
threshold
state
monitoring device
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Granted
Application number
EP16737159.0A
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English (en)
French (fr)
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EP3246223B1 (de
EP3246223A4 (de
Inventor
Ryo Furutani
Takao Watanabe
Katsuyuki Iwasaki
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Hitachi Ltd
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Hitachi Ltd
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Publication of EP3246223A4 publication Critical patent/EP3246223A4/de
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Publication of EP3246223B1 publication Critical patent/EP3246223B1/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
    • B61L27/57—Trackside diagnosis or maintenance, e.g. software upgrades for vehicles or trains, e.g. trackside supervision of train conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0072—On-board train data handling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0081—On-board diagnosis or maintenance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/40—Handling position reports or trackside vehicle data

Definitions

  • the present invention relates to a state-monitoring device, a state-monitoring system, and an organization train.
  • JP-A-2013-164869 (PTL 1) is an example of the background art of the present technical field.
  • the public information discloses a problem of "providing a drive recorder that is able to detect an accident with good precision without determination mistakes due to noise and disturbance and able to make a determination appropriate to specifications of the vehicle, running habits, road conditions, and road surface conditions" (refer to PTL 1 (paragraph [0007])), as means for solving the problem, "the drive recorder is provided with a camera installed in a vehicle, an acceleration sensor that is able to detect acceleration of at least two axes of the front/rear and left/right of the vehicle, and storage means for storing an image captured by the camera and acceleration that is detected by the acceleration sensor, in which a condition is set in which the acceleration that is detected by the acceleration sensor exceeds a predetermined threshold in a fixed time, when the condition is fulfilled, an image is captured in a predetermined time, a file that includes the time at which the condition is fulfilled and image information which is captured within the pre
  • a state-monitoring device that performs state monitoring of a vehicle based on, for example, a sensor signal acquired from a sensor that is mounted in the vehicle and positional information of the vehicle that is acquired from a vehicle information control device, the state-monitoring device is configured to have a sensor signal detecting portion that detects the sensor signal, a sensor signal threshold determination processing portion that determines whether or not the sensor signal exceeds a predetermined threshold, a sensor signal threshold exceeding section management portion that inputs positional information of the vehicle and a determination result by the sensor signal threshold determination processing portion and measures the number of times that the threshold is exceeded within a predetermined section, and an automatic recording section management portion that determines whether or not the number of times that the threshold is exceeded within the predetermined section exceeds the predetermined number of times and sets the predetermined section as an automatic recording section in which data recording is automatically performed in a case where the number of times that the threshold is exceeded exceeds the predetermined number of times.
  • a mobile system including a railway vehicle or a plant system (wind power generation, nuclear power generation, and the like) including a thermal power plant
  • a plant system including a thermal power plant
  • a state-monitoring system of a railway vehicle that it is possible to construct using a simple system configuration, and it is possible to provide a system in which a predetermined location or position is automatically recorded regardless of any sensor signal for preventive maintenance based on the characteristic sensor signal that is generated at the predetermined location or section.
  • Fig. 1 information transmitted to a vehicle information control device 5 from various devices (door 3, underfloor device 4, and the like) including a state-monitoring device 2 that is attached to a railway vehicle 1 is accumulated in a database 8 of a ground-side monitoring system 6 via the railway vehicle 1 and a wireless transmission device 7 that is installed at the ground side.
  • the ground-side monitoring system 6 is constituted by a personal computer 9, an analysis device 10, and the database 8 via a network 11.
  • the ground-side monitoring system 6 acquires information from a plurality of vehicles.
  • the personal computer 9, the analysis device 10, and the database 8 are separate bodies is indicated, but the entirety or a part may be constituted by one device.
  • the function that is realized by the personal computer 9 and the analysis device 10 may be realized by one device.
  • the state-monitoring device 2 is able to input various sensor signals with respect to state-monitoring items that are required by the respective railway vehicles 1, in Fig. 1 , a vibration acceleration sensor 12 that is installed in the floor of a vehicle body 13 for the purpose of ride comfort monitoring of the railway vehicle 1 as a wired connection example, but the vibration acceleration sensor 12 may be installed in a carriage 14 of the railway vehicle 1 for the purpose of monitoring abnormalities of track infrastructure or carriage parts. Furthermore, a microphone for noise measurement may be installed in the vehicle body 13 or the carriage 14 of the railway vehicle 1 for the purpose of monitoring abnormalities of interior and exterior noise of the railway vehicle 1. Furthermore, a strain sensor may be installed in the vehicle body 13 or the carriage 14 of the railway vehicle 1 for the purpose of monitoring deterioration of the railway vehicle 1. In addition, various sensors and the state-monitoring device 2 may use wireless transmission.
  • a mobile system other than the railway vehicle (motor vehicle, elevator, and the like) or a plant system (thermal power generation, wind power generation, nuclear power generation, and the like), may be constituted so as to acquire information from other than the railway vehicle.
  • a plant system thermo power generation, wind power generation, nuclear power generation, and the like
  • the state-monitoring device 2 is constituted by a processor 30, a switch 31, a display portion 32, and a setting portion 40
  • the processor 30 is constituted by a central processing unit (CPU) 33, an interface 34, a random access memory (RAM) 35, a read only memory (ROM) 36, and a card connector 37.
  • the CPU 33 of the processor 30 is connected to the interface 34, the RAM 35, the ROM 36, and the card connector 37 via a bus 38, and the card connector 37 is connected to a memory card 39.
  • the interface 34 is connected to the switch 31, the display portion 32, the setting portion 40, various sensors including the vibration acceleration sensor 12, and the vehicle information control device 5. Note that, various sensors including the vibration acceleration sensor 12 may be installed inside the state-monitoring device 2.
  • the state-monitoring device 2 may be configured as a part of the vehicle information control device 5.
  • the switch 31, the display portion 32, and the setting portion 40 may be installed on the front surface of the state-monitoring device 2.
  • the memory card 39 that is connected to the card connector 37 may be directly taken out from the front surface of the state-monitoring device 2.
  • a configuration diagram of the state-monitoring system of a railway vehicle that is realized by the state-monitoring device of Fig. 2 will be described using Fig. 3 .
  • a sensor that is connected to the state-monitoring device 2 is set as the vibration acceleration sensor 12.
  • a vibration acceleration sensor signal 100a that is detected by the vibration acceleration sensor 12 is output to a sensor signal detecting portion 50 of the state-monitoring device 2.
  • the sensor signal detecting portion 50 converts the vibration acceleration sensor signal 100a to a digital sensor signal 101a and outputs the signal to a sensor signal threshold determination processing portion 51 and a data transmission and recording processing portion 54.
  • the sensor signal threshold determination processing portion 51 determines whether or not the sensor signal threshold that is set in advance is exceeded with respect to the digital sensor signal 101a, then a sensor signal threshold determination process result 102a is output to a sensor signal threshold exceeding section management portion 52 and the data transmission and recording processing portion 54.
  • the sensor signal threshold exceeding section management portion 52 inputs the sensor signal threshold determination process result 102a and a vehicle positioning signal 104a of the vehicle information control device 5, counts the number of times the sensor signal threshold is exceeded at a predetermined section, location, or position based on the vehicle positioning signal 104a, and outputs a number of times the sensor signal threshold is exceeded 105a to a vehicle positional information threshold determination process portion 53.
  • the vehicle information control device 5 acquires detection information according to a track circuit or positional information of the vehicle using wireless communication and the like with a ground device.
  • the vehicle positional information threshold determination process portion 53 inputs the number of times the sensor signal threshold is exceeded 105a and the vehicle positioning signal 104a, and determines whether or not the number of times the sensor signal threshold is exceeded 105a exceeds the threshold number of times of exceeding that is set in advance, then a determination process result 106a is output to the data transmission and recording processing portion 54.
  • the data transmission and recording processing portion 54 inputs the determination process results 102a and 106a and the digital sensor signal 101a and outputs the digital sensor signal 101a to the vehicle information control device 5 based on the sensor signal threshold determination process result 102a and the determination process result 106a. Furthermore, the data transmission and recording processing portion 54 inputs a vehicle information signal 107a of the vehicle information control device 5 and records the digital sensor signal 101a and the vehicle information signal 107a based on the determination process results 102a and 106a in the memory card 39 of the state-monitoring device 2.
  • the data transmission and recording processing portion 54 is installed on the ground side, and may be provided with means for transmitting the determination process result 106a or the digital sensor signal 101a and the vehicle information signal 107a to the ground-side device by wireless communication. In that case, it is possible to reduce cost or a space in which the data transmission and recording processing portion 54 or the memory card 39 is installed on the pick-up side. In addition, it is possible to reduce the processing costs while running by performing the data transmission and recording while the vehicle is stopped and is particularly favorable to perform while the vehicle stopped in a station or a vehicle maintenance base for the railway operation.
  • an automatic recording section in which data is automatically recorded as described later by the vehicle positional information threshold determination process portion 53 and the data transmission and recording processing portion 54, and two portions may be combined and called an automatic recording section management portion.
  • the vehicle positioning signal 104a preferably applies station information (for example, a unique station code assigned to each station), kilometer information that indicates a running distance, a global positioning system (GPS) signal, or the like.
  • the vehicle information signal 107a selects items such as vehicle running velocity information, GPS information, or the like that is necessary in a detailed analysis of the digital sensor signal 101a.
  • the sensor signal threshold determination processing portion 51 may be configured as a system that outputs an alarm signal to the vehicle information control device 5 and outputs the alarm signal to the personal computer 9 of the ground-side monitoring system 6 in a case where it is determined that the sensor signal threshold that is set in advance is exceeded with respect to the digital sensor signal 101a.
  • the vehicle positional information threshold determination process portion 53 may be configured as a system that outputs an automatic recording start signal to the vehicle information control device 5 and outputs the signal to the personal computer 9 of the ground-side monitoring system 6 in a case where it is determined that the number of times the threshold is exceeded that is set in advance is exceeded with respect to the number of times the sensor signal threshold is exceeded 105a.
  • a state-monitoring flow of a railway vehicle will be described using a flow diagram in Fig. 4 .
  • a state-monitoring system power on process 200 is executed, and device error confirmation of each device including the state-monitoring device 2 (vehicle information control device 5 and the like) or initial setting 201 of a threshold parameter reading process, or the like is executed.
  • a detection process 202 of the sensor signal and the vehicle positional information is executed
  • a threshold determination process 203 is executed with respect to the sensor signal, and it is determined whether the threshold is exceeded (204).
  • a recording and transmission process 205 of the sensor signal that exceeds the threshold is executed.
  • a status start-up process exceeding the threshold 206 is executed, and a status of threshold exceeded is set to ON.
  • an ON/OFF determination process 207 of status of threshold exceeded is executed.
  • a status stand-down process exceeding the threshold 208 is executed, and furthermore, a determination process 209 is executed of whether or not current vehicle positional information that is acquired from the vehicle information control device 5 is already present in the sensor signal threshold exceeding section.
  • a counter update process exceeding the sensor signal threshold 210 is executed in a case where the current vehicle positional information that is acquired from the vehicle information control device 5 is already present in the sensor signal threshold exceeding section.
  • a section generation process exceeding the sensor signal threshold 211 is newly executed in a case where the current vehicle positional information that is acquired from the vehicle information control device 5 is not present in the sensor signal threshold exceeding section.
  • a determination process 212 is executed of whether the number of times the threshold is exceeded that is set in advance by the counter exceeding the sensor signal threshold, and the current vehicle positional information is set to an automatic recording section as an automatic recording section setting process 213 in a case where the threshold is exceeded.
  • a determination process 214 is executed of whether or not the current vehicle positional information that is acquired from the vehicle information control device 5 is present in the automatic recording section.
  • a recording transmission process 215 of the sensor signal for automatic recording is executed in a case where the current vehicle positional information that is acquired from the vehicle information control device 5 is present in the automatic recording section. For example, it is preferable to compare automatic recording section information that is set by the vehicle positional information threshold determination process portion 53 and positional information that is acquired from the vehicle information control device 5, and permit data transmission to the data transmission and recording processing portion 54 in a case where the sets of information match.
  • a series of subsequent processes of the process 202 are repeatedly executed until a state-monitoring system power source disconnection process 217 is executed. Note that, an update process such as a current parameter is executed and the system is disconnected in a case where the state-monitoring system power source disconnection process 217 is executed.
  • a vibration acceleration waveform 60 is represented by a position in the horizontal axis and acceleration in the vertical axis, and includes an exceptionally large vibration generation section 63.
  • a vibration acceleration threshold 61 and a vibration acceleration threshold exceeding time 62 are set in advance.
  • the sensor signal threshold determination process detects an exceeding point at which the vibration acceleration waveform 60 initially exceeded the vibration acceleration threshold 61.
  • the sensor signal threshold determination process determines whether the vibration acceleration waveform 60 exceeds the vibration acceleration threshold exceeding time 62 with reference to the exceeding point of the vibration acceleration threshold 61 and outputs a threshold exceeding determination process result 102a in a case where the time is exceeded.
  • the vibration acceleration sensor signal waveform 71 indicates a vibration acceleration sensor signal waveform 71, a number of times the threshold of the sensor signal is exceeded 72 between stations A-B, a number of times the threshold of the sensor signal is exceeded 73 between stations C-D, a station code 76 that is vehicle positional information, and a data recording transmission propriety signal 74 as positions on the horizontal axis when the railway vehicle 1 repeatedly passes through station A, station B, station C, and station D as station 70 three times.
  • the vibration acceleration sensor signal waveform includes exceptional vibration acceleration 75 that is detected as exceeding the threshold using the sensor signal threshold determination processing portion 51 between the stations A-B and between the stations C-D of the first time, between the stations A-B and between the stations C-D of the second time, and between the stations C-D of the third time.
  • the sensor signal threshold exceeding section management portion 52 counts the number of times the threshold of the sensor signal is exceeded 72 between the stations A-B on the basis of the station code 76 that is vehicle positional information by the exceptional vibration acceleration 75 that is generated between the stations A-B. Furthermore, the exceptional vibration acceleration 75 is recorded on the memory card 39 and is transmitted to the vehicle information control device 5 by the data transmission and recording processing portion 54 switching the data recording transmission propriety signal 74 from OFF to ON.
  • the sensor signal threshold exceeding section management portion 52 counts the number of times the threshold of the sensor signal is exceeded 73 between the stations C-D on the basis of the station code 76 by the exceptional vibration acceleration 75 that is generated between the stations C-D. The data recording and transmission process by the data transmission and recording processing portion 54 at this time is described above.
  • the sensor signal threshold exceeding section management portion 52 counts each of the number of times the threshold of the sensor signal is exceeded 72 between the stations A-B and the number of times the threshold of the sensor signal is exceeded 73 between the stations C-D on the basis of the station code 76 by the exceptional vibration acceleration 75 that is generated between the stations A-B and between the stations C-D when running inter-section in the second time.
  • the number of times the threshold of the sensor signal is exceeded is set in advance to 2
  • the number of times the threshold of the sensor signal is exceeded 72 between the stations A-B and the number of times the threshold of the sensor signal is exceeded 73 between the stations C-D are determined to exceed the threshold, and the station code 76 between the stations A-B and the station code 76 between the stations C-D are automatically set as automatic recording section targets.
  • the vibration acceleration sensor signal waveform 71 is recorded on the memory card 39 and is transmitted to the vehicle information control device 5 by the data transmission and recording processing portion 54 switching the data recording transmission propriety signal 74 from OFF to ON regardless of whether a threshold exceeding vibration acceleration 75 is generated.
  • the threshold exceeding vibration acceleration 75 between the stations C-D is confirmed, but the vibration acceleration sensor signal waveform 71 is recorded on the memory card 39 and is transmitted to the vehicle information control device 5 by the data transmission and recording processing portion 54 switching the data recording transmission propriety signal 74 from OFF to ON in the same manner as the automatic recording of the vibration acceleration between the stations A-B described above.
  • the recording section is automatically generated on the basis of the number of times the threshold is exceeded 72 between the stations A-B, the number of times the threshold is exceeded 73 between the stations C-D and the station code 76.
  • the maximum number of the number of times that the threshold is exceeded is selected according to the memory of the state-monitoring device 2.
  • kilometer information that indicates a running distance may be applied.
  • a method of manually releasing from a setting portion 40 of the state-monitoring device 2 or the ground-side monitoring system 6 may be set as the release method of the automatic recording section. Furthermore, a method may be set for automatically releasing from the automatic recording section in a case where the threshold exceeding vibration acceleration 75 is not detected in the time or running distance set in advance.
  • Fig. 7 is a diagram that indicates the position on the horizontal axis and time on the vertical axis, and visualizes a vibration generation state between position A and position B.
  • a gray value of a vibration acceleration distribution 80 is expressed in Fig. 7 as a size of the vibration acceleration level.
  • the gray value of the vibration acceleration distribution 80 becomes higher step by step so as to indicate vibration acceleration distributions 81, 82, and 83, and it is possible to visually ascertain whether some vibration acceleration level is changed in some section.
  • the vibration acceleration level may be expressed as a size of an illustration of a circle or the like.
  • the displays are not only position or time, and may apply a restriction using vehicle velocity and the like.
  • the present embodiment it is possible to provide a system in which a predetermined location or position is automatically recorded regardless of any sensor signal for preventive maintenance based on the characteristic sensor signal that is generated at the predetermined location or section without always recording and transmitting a large sensor signal of data capacity, improve vehicle operation reliability, and improve efficiency of vehicle maintenance work.
  • Fig. 9 illustrates an example of a state-monitoring system of a railway vehicle of Embodiment 2.
  • a railway vehicle 20 is added as well as the railway vehicle 1, and a gangway 21 is installed in the railway vehicle 1 and the railway vehicle 20.
  • a state-monitoring device 2' and a vibration acceleration sensor 12' are installed in the railway vehicle 20, and the sensor signal of the vibration acceleration sensor 12' is input to the state-monitoring device 2'.
  • a configuration diagram of the state-monitoring system of a railway vehicle that is realized by the state-monitoring device of Fig. 9 will be described using Fig. 10 .
  • a sensor that is connected to the state-monitoring device 2' which is set in the railway vehicle 20 is set as the vibration acceleration sensor 12'.
  • a sensor signal threshold exceeding section management portion 52' inputs the vehicle positioning signal 104a of the vehicle information control device 5 via the state-monitoring device 2, counts the number of times the sensor signal threshold is exceeded at a predetermined section, location, or position based on the vehicle positioning signal 104a, and outputs a number of times the sensor signal threshold is exceeded 105a' to a vehicle positional information threshold determination process portion 53'.
  • the vehicle positional information threshold determination process portion 53' inputs the vehicle positioning signal 104a of the vehicle information control device 5 via the state-monitoring device 2, and determines whether or not the number of times the sensor signal threshold is exceeded 105a' exceeds the threshold number of times of exceeding that is set in advance, then a determination process result 106a' is output to a data transmission and recording processing portion 54'. Furthermore, the vehicle positional information threshold determination process portions 53 and 53' respectively communicate an automatic recording section signal 110a that indicates the automatic recording locations, shares the automatic recording section that is set by each railway vehicle 1 and 20 and automatically executes data recording and transmission.
  • the state-monitoring device 2' may have a system configuration that connects to the state-monitoring device 2 via the vehicle information control device 5. In addition, preferably the same system configuration is set even if the number of the railway vehicles 20 is raised.
  • the number of times that the threshold is exceeded may be shared between the sensor signal threshold exceeding section management portions 52 and 52' and the automatic recording location may be determined.
  • an automatic recording system that captures a characteristic sensor signal that is generated by each vehicle and a change over time thereof by sharing the predetermined data recording location and section that are respectively detected and set between a plurality of vehicles with different vehicle characteristics between vehicles in an organization train, improve vehicle operation reliability, and improve efficiency of vehicle maintenance work.
  • Fig. 11 illustrates an example of a state-monitoring system of a railway vehicle of Embodiment 3.
  • system configuration diagram in Fig. 11 an additional point with respect to the system configuration diagram in Fig. 1 will be described.
  • railway vehicles 1' and 1" are added as well as the railway vehicle 1, and transmission information of each railway vehicle is accumulated in the database 8 of the ground-side monitoring system 6 via wireless transmission devices 7, 7', and 7" and the wireless transmission device 7 on the ground side.
  • the ground-side monitoring system 6 is connected to a threshold management update device 150 via the network 11.
  • the threshold management update device 150 centrally manages the number of times the sensor signal threshold is exceeded and the automatic recording section of each railway vehicle 1, 1', and 1", and for example, sets and updates the transmission information which relates to the shared number of times the sensor signal threshold is exceeded and the automatic recording section of each railway vehicle 1, 1', and 1" to state-monitoring devices 2, 2' , and 2".
  • the same system configuration is set even if the number of railway vehicles 1 is raised.
  • an automatic recording system that captures a characteristic sensor signal between each of a plurality of compositions and a change over time thereof by sharing the predetermined data recording location and section that are respectively detected and set between the plurality of compositions with different vehicle operation states or vehicle maintenance states, improve vehicle operation reliability, and improve efficiency of vehicle maintenance work.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP16737159.0A 2016-03-14 2016-03-14 Zustandsüberwachungsvorrichtung, zustandsüberwachungssystem und zug Active EP3246223B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2016/051433 WO2016113724A1 (ja) 2015-01-15 2016-03-14 状態監視装置、状態監視システム、および編成列車

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EP3246223A1 true EP3246223A1 (de) 2017-11-22
EP3246223A4 EP3246223A4 (de) 2018-12-12
EP3246223B1 EP3246223B1 (de) 2020-05-06

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3744554A4 (de) * 2018-01-24 2021-11-10 Kabushiki Kaisha Toshiba System zur aufzeichnung eines gerätezustands und verfahren zur aufzeichnung eines gerätezustands
EP3808590A4 (de) * 2018-06-18 2022-03-30 Hitachi, Ltd. Zustandsüberwachungsvorrichtung und damit ausgestattetes transportfahrzeug
US20230267775A1 (en) * 2022-02-24 2023-08-24 International Business Machines Corporation Collaborative data sharing for data anomalies

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CN114954586B (zh) * 2022-06-16 2023-12-26 中车青岛四方机车车辆股份有限公司 智能化运营系统、方法、装置、设备、产品及轨道车辆

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JP4305361B2 (ja) * 2004-10-15 2009-07-29 株式会社日立製作所 道路管理システム
JP5432818B2 (ja) * 2010-05-24 2014-03-05 株式会社日立製作所 鉄道車両の状態監視装置及び状態監視方法、並びに鉄道車両
JP5525404B2 (ja) * 2010-10-01 2014-06-18 株式会社日立製作所 鉄道車両の状態監視装置及び状態監視方法、並びに鉄道車両
JP5812595B2 (ja) * 2010-11-02 2015-11-17 曙ブレーキ工業株式会社 鉄道車両用異常診断システム
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3744554A4 (de) * 2018-01-24 2021-11-10 Kabushiki Kaisha Toshiba System zur aufzeichnung eines gerätezustands und verfahren zur aufzeichnung eines gerätezustands
US12037033B2 (en) 2018-01-24 2024-07-16 Kabushiki Kaisha Toshiba Device state recording system and device state recording device
EP3808590A4 (de) * 2018-06-18 2022-03-30 Hitachi, Ltd. Zustandsüberwachungsvorrichtung und damit ausgestattetes transportfahrzeug
US20230267775A1 (en) * 2022-02-24 2023-08-24 International Business Machines Corporation Collaborative data sharing for data anomalies

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EP3246223A4 (de) 2018-12-12
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