WO2020129818A1 - Système, procédé et programme de diagnostic d'équipement mécanique - Google Patents

Système, procédé et programme de diagnostic d'équipement mécanique Download PDF

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Publication number
WO2020129818A1
WO2020129818A1 PCT/JP2019/048769 JP2019048769W WO2020129818A1 WO 2020129818 A1 WO2020129818 A1 WO 2020129818A1 JP 2019048769 W JP2019048769 W JP 2019048769W WO 2020129818 A1 WO2020129818 A1 WO 2020129818A1
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WIPO (PCT)
Prior art keywords
mechanical equipment
diagnostic
management information
measurement
terminal device
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PCT/JP2019/048769
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English (en)
Japanese (ja)
Inventor
▲高▼橋雅司
陳巨壹
末吉康則
藤本好宏
森田仁
武内利樹
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株式会社クボタ
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Priority to JP2020561364A priority Critical patent/JP7212065B2/ja
Publication of WO2020129818A1 publication Critical patent/WO2020129818A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management

Definitions

  • the present invention relates to a mechanical equipment diagnostic system, a mechanical equipment diagnostic method, and a mechanical equipment diagnostic program that can be used to diagnose mechanical equipment installed in a plant facility such as a sewage treatment facility or a water supply facility.
  • a portable diagnostic terminal device that diagnoses mechanical equipment measures various diagnostic items according to the mechanical equipment, and is sometimes used for multiple facilities.
  • diagnosis of such mechanical equipment there are cases where the physical quantity measurement items and the measurement method to be performed at the time of diagnosis are different depending on the conditions related to the diagnosis, such as for each terminal device, each facility, and each person in charge.
  • Patent Document 1 discloses a facility management support system using a portable data management device, which transfers data from the data management device to the data management device. Disclosed is a system in which the order of patrol of each mechanical equipment is sequentially displayed on the screen based on the provided equipment inspection information, and the inspection information related to the inspection method of each mechanical equipment is displayed in the patrol order.
  • Patent Document 1 Although it is possible to instruct the user of the portable terminal how to inspect each mechanical equipment, the arithmetic processing condition of the physical quantity data measured for the terminal is specified. I could't do that.
  • a mechanical equipment diagnostic system is a mechanical equipment diagnostic system for diagnosing mechanical equipment installed in a facility, and is configured to be portable and capable of communicating with the diagnostic terminal device.
  • a terminal storage unit that stores physical quantity data, the diagnostic data, and management information acquired from the server device, and a terminal communication unit that communicates with the server device, wherein the server device is a plurality of the facilities.
  • a management unit that stores the management information related to the mechanical equipment and the diagnostic data received from the diagnostic terminal device, and a server communication unit that communicates with the diagnostic terminal device.
  • the measurement condition of the measurement or the combination of the measurement condition and the calculation processing condition of the calculation processing for each of the mechanical equipment, and obtains from the server device before the measurement and the calculation processing are performed. It is characterized in that the measurement and the arithmetic processing are performed according to the measurement condition and the arithmetic processing condition specified for the mechanical equipment to be diagnosed by the management information.
  • the machine equipment diagnosis method uses a portable diagnosis terminal device and a server device configured to be communicable with the diagnosis terminal device to diagnose the machine equipment installed in the facility.
  • a method of diagnosing a machine facility for storing wherein a storage step of causing the server device to store management information for specifying a measurement condition of a measurement for the diagnosis and a calculation process condition of a calculation process for each combination of the facility and the machine facility.
  • a communication step of causing the diagnostic terminal device to acquire the management information from the server device, and using the diagnostic terminal device, according to the measurement condition specified by the management information for the machine equipment to be diagnosed Using a measurement step of obtaining a physical quantity data by measuring a physical quantity related to the mechanical equipment, and using the diagnostic terminal device, according to the arithmetic processing condition specified by the management information for the mechanical equipment, arithmetic processing is performed on the physical quantity data. And an arithmetic step for obtaining diagnostic data.
  • the machine equipment diagnosis program performs diagnosis of machine equipment installed in a facility using a portable diagnosis terminal device and a server device configured to communicate with the diagnosis terminal device. And a storage device for storing management information for specifying a measurement condition for measurement and a calculation processing condition for calculation for each combination of the facility and the mechanical equipment in the server device. And a communication function for causing the diagnostic terminal device to acquire the management information from the server device, and using the diagnostic terminal device, according to the measurement condition specified by the management information for the mechanical equipment to be diagnosed.
  • the server device centrally manages the measurement conditions and arithmetic processing conditions for each machine facility, and the diagnostic terminal device obtains them to perform the measurement and arithmetic processing. It is easy to collect the diagnostic data acquired under certain measurement conditions and arithmetic processing conditions by eliminating the influence of the difference in the conditions related to the diagnosis, such as the difference in the number of persons and the person in charge.
  • the management information includes the measurement condition or a combination of the measurement condition and the arithmetic processing condition, the facility in which the mechanical equipment is installed, and the mechanical equipment. Specified for each combination with, and to the combination of the facility and the mechanical equipment where the mechanical equipment to be diagnosed by the management information acquired from the server device before the measurement and the arithmetic processing are performed is installed. It is preferable that the measurement and the arithmetic processing are performed according to the measurement condition and the arithmetic processing condition specified for the same.
  • the measurement condition and the arithmetic processing condition are centrally managed for each combination of the mechanical equipment and the facility where the mechanical equipment is installed, and the diagnostic terminal device acquires the measurement condition and the arithmetic processing processing to perform the measurement and arithmetic processing. Since it is performed, it is easy to collect the diagnostic data acquired under the constant measurement condition and the constant processing condition. Also, since management information across multiple facilities can be managed collectively, it is easy to unify measurement conditions and calculation processing conditions between different facilities, so collect diagnostic data related to mechanical equipment operated in different facilities, It is easy to use this for statistical processing. Conventionally, in many cases, independent know-how has been established for each facility regarding measurement conditions and calculation processing conditions related to diagnosis of mechanical equipment, and as in this configuration, measurement conditions and calculation processing conditions are unified between different facilities. However, this problem can be solved by the above configuration.
  • the server device further uses the management information and the diagnostic data stored in the server storage unit to identify the mechanical equipment to be diagnosed. It is preferable to have a server calculation unit that performs diagnosis.
  • diagnostic data relating to a plurality of facilities and a plurality of mechanical equipment can be aggregated for diagnosis, and the diagnostic data can be easily used for statistical processing and time series data analysis.
  • the diagnosis is performed on the server device side where it is relatively easy to improve the calculation processing performance as compared with the portable diagnostic terminal device. Since it is in charge of arithmetic processing, it is easy to reduce the load on the diagnostic terminal device.
  • the diagnostic data further specifies a part of the management information relating to the measurement condition and the arithmetic processing condition applied when the diagnostic data is obtained. It is preferable to include information to be used.
  • the diagnosis terminal device further includes a display unit capable of displaying at least one of the physical quantity data, the diagnosis data, and the management information.
  • the diagnosis terminal device further includes a position information specifying unit capable of specifying the facility where the diagnosis terminal device is located, and the terminal communication unit is the server. It is preferable that, of the management information stored in the storage unit, only a portion related to the facility where the diagnostic terminal device is located is selectively acquired from the server device.
  • the position information identification unit is further configured to be able to identify the mechanical equipment arranged around the current location of the diagnostic terminal device, and the terminal communication unit is Of the management information stored in the server storage unit, it is preferable to selectively acquire only the portion related to the mechanical equipment arranged around the current location from the server device.
  • the mechanical equipment diagnosing method according to the present invention further comprises a diagnosing step of diagnosing the mechanical equipment to be diagnosed using the management information and the diagnostic data stored in the server device. It is preferable that the server device be caused to perform the arithmetic processing relating to the diagnosis step.
  • the machine equipment diagnosis program has a diagnosis function of performing diagnosis of the machine equipment to be diagnosed by using the management information and the diagnosis data stored in the server device. Further, it is preferable that the server device is caused to perform arithmetic processing related to the diagnostic function.
  • diagnostic data concerning a plurality of facilities and a plurality of mechanical equipment can be aggregated and diagnosed, and the diagnostic data can be easily used for statistical processing and the like.
  • the diagnosis is performed on the server device side where it is relatively easy to improve the calculation processing performance as compared with the portable diagnostic terminal device. Since it is in charge of arithmetic processing, it is easy to reduce the load on the diagnostic terminal device.
  • the mechanical equipment diagnosis system according to the present invention is applied to a mechanical equipment diagnosis system 1 for diagnosing a plurality of mechanical equipment E installed in a plant facility P (hereinafter, simply referred to as facility P), and the mechanical equipment diagnostic system 1 is used.
  • a mechanical equipment diagnosis system 1 for diagnosing a plurality of mechanical equipment E installed in a plant facility P (hereinafter, simply referred to as facility P), and the mechanical equipment diagnostic system 1 is used.
  • An example in which the diagnosis system 1 is applied to a machine equipment diagnosis method will be described.
  • the machine equipment diagnosis system 1 according to the present embodiment includes a diagnosis terminal device 10 and a server device 20, and a plurality of diagnosis terminal devices 10 can communicate with one server device 20. Is configured.
  • the machine terminal diagnosis program according to the present invention is installed in the diagnosis terminal device 10 and the server device 20.
  • the mechanical equipment diagnostic system 1 includes a diagnostic terminal device 10 that obtains diagnostic data by measuring and calculating physical quantities, and a server device 20 that stores management information 30 including conditions of measurement and arithmetic processing and diagnostic data. Prepare The diagnostic terminal device 10 acquires the management information 30 from the server device 20 prior to the measurement of the physical quantity, and uses this for the measurement and arithmetic processing.
  • the diagnosis terminal device 10 is a portable device, and can be used for diagnosis of a plurality of mechanical facilities E at different installation locations, and can also be used for a diagnosis of the mechanical facilities E in a plurality of different facilities P.
  • the management information 30 includes measurement conditions 31 including types of physical quantities to be measured and measurement conditions for each combination of the facility P and mechanical equipment E to be diagnosed, and calculation processing to be performed on the obtained physical quantity data.
  • the calculation processing condition 32 is specified.
  • the data set 30a (“data set 001") of the management information 30 is "acceleration measurement” for "pump No. 1" installed in "sewage treatment plant A”.
  • Measurement conditions are 25.6 Hz cycle and 30 seconds, and a calculation processing condition such as "perform a fast Fourier transform on the measured acceleration data.” Including.
  • the data set 30b (“data set 006") of the management information 30 is "one pressure measurement is performed for the "filtration device” installed in the "private factory A”, and the measurement condition is 5 kHz cycle, 60 seconds.”, and the calculation processing condition "use the measured pressure data as it is as diagnostic data.” As in the latter example, it may be specified that the arithmetic processing is not performed. Note that the fast Fourier transform of the data processing shown in FIG. 2 may be set differently for each data set, such as a window function and frequency resolution.
  • the management information 30 is centrally managed by the server device 20.
  • Each diagnostic terminal device 10 acquires the management information 30 from the server device 20 before measuring the physical quantity for the mechanical equipment E, and according to the measurement condition 31 and the arithmetic processing condition 32 included in the acquired management information 30, the physical quantity of the physical quantity is calculated. Performs measurement and arithmetic processing.
  • the measurement condition 31 and the arithmetic processing condition 32 can be unified among the plurality of diagnostic terminal devices 10, so that the measurement and arithmetic processing can be performed under constant conditions. As a result, diagnostic data acquired under certain conditions can be collected.
  • the diagnostic terminal device 10 is a portable terminal having a tablet terminal 11 and a sensor 12 (an example of a measuring unit) connected to the tablet terminal.
  • the tablet terminal 11 includes a signal input unit 111 that receives an input of a signal from the sensor 12, a calculation unit 112 that performs various calculation processes, a terminal storage unit 113 that stores various data, and a terminal that communicates with the server device 20. It includes a communication unit 114, a terminal control unit 115 that controls each of the above units, and a touch panel 116 that receives an input operation and displays information.
  • the tablet terminal 11 and the sensor 12 are connected via an analog/digital converter (not shown) and a signal amplifier (not shown), and the signal detected by the sensor 12 is sent to the tablet terminal 11 as a digital signal. Is entered.
  • the terminal communication unit 114 Prior to measuring the physical quantity of the mechanical equipment E, the terminal communication unit 114 accesses the server device 20 and acquires the latest management information 30.
  • the acquired management information 30 is stored in the terminal storage unit 113. At this time, if the old management information 30 exists in the terminal storage unit 113, it is overwritten with the newly acquired management information 30.
  • the latest management information 30 is acquired, a list of combinations of the facility P and the mechanical equipment E to be diagnosed included in the management information 30 is displayed on the touch panel 116 (an example of a display unit).
  • a combination to be diagnosed is selected by touch operation from the displayed combination of the facility P and the mechanical equipment E, a data set corresponding to the selected combination in the management information 30 is read and included in the data set.
  • the measurement condition 31 and the arithmetic processing condition 32 are displayed on the touch panel 116.
  • the terminal control unit 115 controls the signal input unit 111 and the calculation unit 112 in accordance with the measurement condition 31 and the calculation processing condition 32 included in the selected data set in the measurement and calculation process performed thereafter.
  • the sensor 12 may be a known sensor that can be installed in the mechanical equipment E and can measure a physical quantity related to the mechanical equipment E, and is appropriately selected and used according to the type of the mechanical equipment E and the physical quantity to be measured. ..
  • An acceleration sensor, a pressure sensor, a flow rate sensor, a temperature sensor, a current sensor, or the like can be used as the sensor 12.
  • the measurement conditions 31 related to the sensor 12 include the type and number of sensors to be actually used, and the sensor installation method for the mechanical equipment E to be diagnosed, and these pieces of information are displayed on the touch panel 116.
  • the user connects an appropriate sensor as the sensor 12 to the tablet terminal 11 based on the displayed measurement condition 31, and installs the sensor 12 in the mechanical equipment E.
  • two acceleration sensors are installed in "Pump No. 1" before measuring "Pump No. 1" installed in "Sewage treatment plant A".
  • the physical quantity can be measured by an input operation on the touch panel 116.
  • the physical quantity detected by the sensor 12 is converted into a digital signal and input to the signal input unit 111 to obtain physical quantity data.
  • the condition for the signal input unit 111 to take in the data has been studied in advance and is centrally managed as the measurement condition 31 which is a part of the management information 30.
  • the measurement by the sensor 12 and the acquisition of the physical quantity data by the signal input unit 111 are performed according to the measurement condition 31 included in the selected data set. For example, in the example of the data set 30a in FIG. 2, accelerations (examples of physical quantities) measured by two acceleration sensors are acquired at a cycle of 25.6Hz for 30 seconds, and these are used as acceleration data (examples of physical quantity data).
  • the acquired physical quantity data is stored in the terminal storage unit 113.
  • the arithmetic unit 112 performs arithmetic processing on the acquired physical quantity data, and diagnostic data 41 is generated.
  • the physical quantity data itself contains a huge amount of information, it may not be possible to determine whether or not a malfunction has occurred in the mechanical equipment E used for diagnosis or the like by looking at the data itself. Therefore, an appropriate arithmetic process may be added to the physical quantity data so that the normal time and the abnormal time can be distinguished.
  • the conditions for such arithmetic processing have been studied in advance and are centrally managed as the arithmetic processing conditions 32 that are part of the management information 30.
  • the arithmetic processing by the arithmetic unit 112 is performed according to the arithmetic processing condition 32 included in the selected data set.
  • the data obtained by performing the fast Fourier transform process on the acquired acceleration data is set as the diagnostic data 41.
  • the acceleration data itself is a composite wave of sine waves of many frequencies, and it is difficult to understand the difference between normal and abnormal conditions. Therefore, by performing a fast Fourier transform on this, it is possible to obtain information about the frequency and intensity of the sine wave that composes the composite wave. By comparing the presence or absence of frequency peaks that are not detected in normal times and the intensity of frequency peaks, It can be distinguished from an abnormal time.
  • arithmetic processing may not be required depending on the type of physical quantity data.
  • the arithmetic processing is not performed on the pressure data acquired for the “filtration device” installed in the “private factory A”, and the pressure data itself is used as the diagnostic data 41.
  • the pressure in the filtration device can be assumed to be within the normal numerical range.
  • the filter device is clogged, a pressure exceeding the expected range is detected. If it is easy to distinguish between the normal state and the abnormal state of the physical quantity data itself, as in the example of the pressure data, the calculation process may not be performed. In these cases, the physical quantity data is directly treated as the diagnostic data 41.
  • the arithmetic unit 112 adds information for specifying the data set (an example of the management information portion) of the management information 30 used for generating the diagnostic data 41.
  • the measurement data used to generate the diagnostic data is used.
  • the condition 31 and the arithmetic processing condition 32 can be specified, and the condition under which the diagnostic data is generated can be understood.
  • the terminal communication unit 114 transmits the diagnostic data 41 to the server device 20.
  • the server device 20 includes a server storage unit 21 that stores management information 30 and diagnostic data 41 transmitted from the diagnostic terminal device 10, and a server communication unit 22 that communicates with the diagnostic terminal device 10. , A server control unit 23 that controls the operations of the server storage unit 21 and the server communication unit 22, and a server operation unit that diagnoses the mechanical equipment E using the management information 30 and the diagnostic data 41 stored in the server storage unit 21. 24 and.
  • the management information 30 is centrally managed by the server device 20.
  • a plurality of diagnostic terminal devices 10 are communicable with one server device 20, but each diagnostic terminal device 10 receives the latest management information 30 prior to the measurement. Since it is configured to acquire from the server device 20, if the management information 30 stored in the server storage unit 21 is changed, all measurement and diagnosis performed by all the diagnostic terminal devices 10 after the change. Applied to.
  • the server computing unit 24 reads the management information 30 and the diagnostic data 41 stored in the server storage unit 21, and diagnoses the mechanical equipment E using these information. Specifically, for example, a comparison calculation process for comparing the diagnostic data 41 with reference data (not shown) relating to the normal state of the machine equipment E is performed, and the diagnostic data 41 exceeds the predetermined reference from the reference data. If there is a deviation, it is diagnosed that the mechanical equipment E is in an abnormal state.
  • reference data statistically processed past diagnostic data 41 of the mechanical equipment E to be diagnosed, and statistically processed past diagnostic data 41 of the mechanical equipment E and other mechanical equipment of the same model as the mechanical equipment E. It is possible to use a standard value that is predetermined for the model of the machine equipment E.
  • the server computing unit 24 uses each data of the diagnostic data 41 stored in the server storage unit 21 as a single unit to diagnose each of the mechanical equipments E, and, for example, for a plurality of mechanical equipments E of the same model.
  • the diagnostic data 41 can be statistically processed to predict the life of the model.
  • the arithmetic processing condition 32 includes the case of specifying that “measured physical quantity data is used as it is as diagnostic data”, so that part or all of the diagnostic data 41 may be the acquired physical quantity data itself. ..
  • the physical quantity data may be transmitted from the diagnostic terminal device 10 to the server storage section 21 together with the diagnostic data 41, and the server computing section 24 may perform the diagnosis using the physical quantity data together with the diagnostic data 41.
  • the input operation to the server device 20 necessary for viewing and using the diagnostic data 41 stored in the server storage unit 21, changing operation of the management information 30, and the like can be performed through the diagnostic terminal device 10 or the server device. It can also be performed via an I/O device (not shown) dedicated to 20.
  • I/O device not shown
  • the communication between the terminal communication unit 114 and the server communication unit 22 is performed via a network such as a mobile phone network or the Internet.
  • a network such as a mobile phone network or the Internet.
  • the configuration in which the management information 30 specifies the measurement condition 31 and the arithmetic processing condition 32 for each combination of the facility P and the mechanical equipment E to be diagnosed has been described as an example.
  • the management information according to the present invention may be configured to specify the measurement condition and the arithmetic processing condition for each machine equipment.
  • the measurement and calculation processing conditions required for diagnosis differ depending on the type and model of the machine equipment, so even if the facilities are different, the same measurement and calculation processing conditions can be used if the machine equipment is of the same type and model. This is because it may be applicable.
  • the portion related to the facility can be omitted from the management information, and the amount of communication between the diagnostic terminal device and the server device can be reduced compared to the configuration of the above embodiment.
  • the configuration in which the management information 30 specifies the measurement condition 31 and the arithmetic processing condition 32 for each combination of the facility P and the mechanical equipment E to be diagnosed has been described as an example.
  • the mechanical equipment diagnostic system according to the present invention when different measurement conditions or arithmetic processing conditions are set for the same mechanical equipment installed in different facilities, there is a difference in the measurement conditions or arithmetic conditions. May be notified to the user. Further, in this case, the measurement condition and the arithmetic processing condition set for the other mechanical equipment may be presented to the user. Further, it may be configured so that the user can select the presented condition.
  • the load factor (weighting factor) for each facility is set based on the property of the processing target in each facility, and the operation result data of the mechanical equipment of each facility is multiplied by the load factor (weighting factor) to obtain the weighted operation result data.
  • the measurement condition and the arithmetic processing condition of each equipment may be determined based on the above.
  • a value obtained by normalizing a plurality of operation record data such as cumulative operating time and cumulative number of times of stoppage of machinery and equipment for each facility, and a load factor (weighting factor) set for each facility are defined as an arbitrary facility.
  • the product-sum calculated value of cumulative operating time and load factor (weighting factor) over the past predetermined period, and the product-sum calculated value of cumulative stop count and load factor (weighting factor) It is also possible to construct a machine learning device that inputs at least one and outputs at least one of the failure occurrence time and the failure occurrence rate, and determine the measurement condition and the arithmetic processing condition based on the result.
  • the algorithms used in the above machine learning devices include one-class support vector machines (One-Class Support Vector Machine), LOF (local outlier factor) method, and IF (Isolation) that predict anomalies due to specific combinations.
  • One-Class Support Vector Machine One-Class Support Vector Machine
  • LOF local outlier factor
  • IF Isolation
  • Forest Forest
  • RC Robot Covariance
  • the diagnostic terminal device 10 has the tablet terminal 11 and the sensor 12 as separate bodies has been described as an example.
  • the diagnostic terminal device according to the present invention is not limited to such a configuration, and the measurement unit, the calculation unit, the terminal storage unit, and the terminal communication unit may be integrally configured.
  • the diagnostic terminal device 10 includes the tablet terminal 11 and the sensor 12, and the tablet terminal 11 includes the signal input unit 111, the calculation unit 112, the terminal storage unit 113, the terminal communication unit 114, the terminal control unit 115,
  • the configuration including each unit of the touch panel 116 has been described as an example.
  • the diagnostic terminal device according to the present invention may have a part having other functions than the above-mentioned parts.
  • the diagnosis terminal device may include a position information specifying unit that can specify the coordinates of the point where the diagnosis terminal device is located.
  • the position information specifying unit may be configured to use a known position information specifying device such as GPS, or may be configured to allow the user to input information for specifying the position information.
  • the tablet terminal 11 has described the configuration in which the entire management information 30 is acquired from the server device 20 as an example.
  • the diagnostic terminal device according to the present invention selectively selects only a portion related to the facility where the diagnostic terminal device is actually located, from the management information stored in the server device. May be configured to be acquired.
  • the diagnostic terminal device has a location information specifying unit
  • the facility in which the diagnostic terminal device is actually located is identified based on the location information identified by the location information identifying unit, and the facility is included in the management information. You may make it selectively acquire only the said part.
  • the mechanical equipment arranged around the current location of the diagnostic terminal device may be specified based on the position information, and only the portion related to the mechanical equipment of the management information may be selectively acquired. Alternatively, the entire management information may be acquired, but when the user selects the facility or the mechanical equipment, the facility or the mechanical equipment specified based on the position information may be preferentially displayed. ..
  • the present invention can be used for diagnosis of mechanical equipment such as pumps, blowers, agitators, dehydrators, and filtration devices installed in plant facilities such as sewage treatment facilities and water supply facilities.

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Abstract

L'invention concerne un dispositif terminal de diagnostic (10) et un dispositif serveur (20). Le dispositif terminal de diagnostic (10) comprend : une unité de mesure (12) ; une unité de calcul (112) ; une unité de stockage de terminal (114) ; et une unité de communication de terminal (114). Le dispositif serveur (20) comprend une unité de stockage de serveur (21) et une unité de communication de serveur (22). Des informations de gestion (30) identifient, pour chaque élément d'équipement mécanique (E), une condition de mesure ou une combinaison d'une condition de mesure et d'une condition de traitement de calcul. La mesure et le traitement de calcul sont effectués conformément aux conditions identifiées par les informations de gestion (30) qui ont été acquises du dispositif serveur (20) avant la mesure et le traitement de calcul.
PCT/JP2019/048769 2018-12-19 2019-12-12 Système, procédé et programme de diagnostic d'équipement mécanique WO2020129818A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022190972A1 (fr) * 2021-03-09 2022-09-15 Ntn株式会社 Système de surveillance d'état

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JP2007156670A (ja) * 2005-12-02 2007-06-21 Mitsubishi Electric Corp 設備機器点検システム
JP2014153734A (ja) * 2013-02-05 2014-08-25 Mitsubishi Electric Corp タブレット監視端末
JP2018169317A (ja) * 2017-03-30 2018-11-01 シスメックス株式会社 フローサイトメータ及び粒子の検出方法

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JP2014225080A (ja) 2013-05-15 2014-12-04 Ntn株式会社 監視システムおよびその診断装置・監視端末
JP2018194918A (ja) 2017-05-12 2018-12-06 富士電機株式会社 システム、方法、及びプログラム

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Publication number Priority date Publication date Assignee Title
JP2007156670A (ja) * 2005-12-02 2007-06-21 Mitsubishi Electric Corp 設備機器点検システム
JP2014153734A (ja) * 2013-02-05 2014-08-25 Mitsubishi Electric Corp タブレット監視端末
JP2018169317A (ja) * 2017-03-30 2018-11-01 シスメックス株式会社 フローサイトメータ及び粒子の検出方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022190972A1 (fr) * 2021-03-09 2022-09-15 Ntn株式会社 Système de surveillance d'état

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