CN105262607A - Abnormity judgment device - Google Patents
Abnormity judgment device Download PDFInfo
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- CN105262607A CN105262607A CN201510404600.9A CN201510404600A CN105262607A CN 105262607 A CN105262607 A CN 105262607A CN 201510404600 A CN201510404600 A CN 201510404600A CN 105262607 A CN105262607 A CN 105262607A
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- management object
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B9/00—Safety arrangements
- G05B9/02—Safety arrangements electric
- G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14124—Redundant network, client server nodes
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14136—Redundancy, masking redundancy, avoid failure but no fault detection
Abstract
An abnormity judgment device judging whether main series and slave series act normally has a first storing part/a second storing part which stores collection server data contains management object data received from a redundancy data collection server; a third storing part which accumulates the management object data; a first comparison part which compares the collection server data of the first storing part with the collection server data of the second storing part; a first judgment part which judges whether there is abnormity according to the condition that whether the difference between the compared collection server data exceeds an allowed range; an exchange part which exchanges the main series and the slave series when it is judged that there is no abnormity; a second comparison part which compares the management object data received from the exchanged main series with the management object data of the third storing part; and a second judgment part which judges whether there is abnormity according to the condition that the whether the difference between the compared management object data exceeds the allowed range.
Description
Technical field
The present invention relates to abnormity determining device
Background technology
In the system of the management process in factory etc., from the equipment be configured in complete set of equipments collection process data etc. thus manage process termly.In such a system, be the obstacle that the defence paralysis of server or the fragmentation etc. of disk cannot be expected, adopt redundancy structures such as server doubleization, improve the reliability of system.Representatively redundant fashion, such as, have parallel redundancy mode and standby redundant fashion, the following Patent Document 1 discloses the process data collection device that have employed standby redundant fashion.
Prior art document
Patent documentation
Patent documentation 1 Japanese Unexamined Patent Publication 2011-258125 publication
Summary of the invention
The problem that invention will solve
Such as, in complete set of equipments, there is the replacing of equipment or add, but by the system of redundant, in replacing or the front and back to add etc. of equipment, needing to make principal series and be consistent from the device structure series or annexation.Again, break down in principal series, being switched to from series, need the utilization that normally continues afterwards before the handover.In above-mentioned patent documentation 1, for confirming principal series and whether not disclosing in the method for normally action from series.
The object of the invention is to, provide and can confirm principal series and the abnormity determining device from series whether normally action.
Solve the means of problem
Abnormity determining device involved in the present invention has: the first storage part and the second storage part, it is from management object equipment collection management object data, and stores respectively the collector node data comprising the described management object data received from the first collector node and second collector node of redundant respectively; 3rd storage part, it carries out accumulation to the some described management object data collected by described first collector node or described second collector node and stores; First comparing section, it compares to the described collector node data stored by described first storage part with by the described collector node data of described second storage part storage; First detection unit, it whether beyond the first allowed band preset, has determined whether exception according to the difference between the described collector node data compared by described first comparing section; Replacing portion, it is when being judged to be do not have abnormal by described first detection unit, change be set to respectively the redundant of described first collector node and described second collector node principal series and from series; Second comparing section, its to from described first collector node and described second collector node, changed by described replacing portion after the described management object data that receive of the collector node of principal series and the described management object data that stored by described 3rd storage part compare; And second detection unit, it whether beyond the second allowed band preset, has judged whether exception according to the difference between the described management object data compared by described second comparing section.
Sending part can also be had, described sending part is when the redundant fashion of above-mentioned redundant is standby redundant fashion, operation instruction is sent to the described collector node from series, instruction starts the collection of described management object data, above-mentioned first comparing section, after the described collector node from series is according to described operation instruction running, uses the described collector node data received from described first collector node and described second collector node to compare.
Invention effect
According to the present invention, can provide and can confirm principal series and the abnormity determining device from series whether normally action.
Accompanying drawing explanation
Fig. 1 carries out illustrative figure to the structure of the redundant system of the data logger server comprising the abnormity determining device become in example.
Fig. 2 is the flow chart for being described action during data logger server execute exception determination processing shown in Fig. 1.
Fig. 3 is the flow chart for being described action during data logger server execute exception determination processing shown in Fig. 1.
Embodiment
Below, with reference to accompanying drawing, example involved in the present invention is described.But the execution mode be below described is only illustrate, and does not get rid of the application of following all distortion of not expressing or technology.That is, the present invention can carry out all distortion in the scope not departing from purport.
Fig. 1 carries out illustrative figure to the schematic configuration of the redundant system of the data logger server comprising the abnormity determining device become in example of the present invention.As shown in Figure 1, redundant system has data logger server (abnormity determining device) 1, by the data collection server of redundant (the first collector node and the second collector node) 2A, 2B.In addition, when not needing to carry out difference record to data collection server 2A, 2B especially, data collection server 2 is recited as following.
What data collection server 2 configured in complete set of equipments becomes collection process data etc. the equipment (hereinafter referred to as " management object equipment ") of management object becomes the data (hereinafter referred to as " management object data ") of management object, and sends to data logger server 1.
As management object equipment, such as, the equipment of HART (the open communication agreement of HighwayAddressableRemoteTransducer highway addressable remote transducer) communication function is carried, corresponding to foundation fieldbus (Foundation (registered trade mark) Fieldbus; FF) equipment of technology is applicable.Specifically, the various sensor devices detected flow or pressure, temperature etc., the valve positioner controlled the various valve such as flow control valve or pressure-control valve, the various actuators etc. that make the action such as pump or fan can be used as management object equipment.As management object data, such as, the control data etc. such as aperture of flow or the determination data such as pressure, temperature, valve is applicable.
Data collection server 2A, 2B can adopt parallel redundancy mode as redundant fashion, also can adopt standby redundant fashion.When adopting parallel redundancy mode, the collection server of the principal series as parallel redundancy mode (principal series) in data collection server 2A, 2B is set, and another is set as the collection server from series (from series).
When adopting standby redundant fashion, the collection server of the run series as standby redundant fashion (principal series) in data collection server 2A, 2B is set, and another collection server as standby series (from series) is set.
As shown in Figure 1, data collection server 2 functionally such as has data collection unit 21A, 21B and data sending part 22A, 22B.In addition, when not needing to carry out difference record to data collection unit 21A, 21B or data sending part 22A, 22B especially, data collection unit 21 or data sending part 22 is recited as following.
Data collection unit 21 according to data collection plan table, from management object equipment collection management object data.
Data sending part 22, in the cycle of each beginning for the transmission processing of the collection data of data logger server 1, sends the operating condition information that notebook data collects server 2 and the management object data of being collected by data collection unit 21.
Operating condition information and management object data, when redundant fashion is standby redundant fashion, are sent to data logger server 1 and another data collection server 2 by data sending part 22.On the other hand, when redundant fashion is parallel redundancy mode, only operating condition information and management object data are sent to data logger server 1.
Data logger server 1 shown in Fig. 1 is from by the data collection server 2 receiving management object data of redundant, the management object data accumulation receive the data collection server from principal series the device stored.Whether normally data logger server 1 has when having dropped into abnormality juding instruction by gerentocratic operational order, perform and judge principal series and the function from the series abnormality juding process of action.About the function performing this abnormality juding process, be described in detail following.
Data logger server 1 functionally such as has the first comparing section 11, sending part 12, first detection unit 13, replacing portion 14, second comparing section 15 and the second detection unit 16.Again, data logger server 1 has the first storage part 17, second storage part 18 and the 3rd storage part 19 as the memory storing various data.
First storage part 17 stores the collection server data (collector node data) comprising the management object data received from data collection server 2A.Second storage part 18 stores the collection server data comprising the management object data received from data collection server 2B.
At this, such as comprise in management object data: the quality information of the measurement date and time (time seal) determining the identifying information of management object equipment, measured value measured by management object equipment, measured value and the quality that measured value is shown (such as, good, bad etc.).
Again, collect in server data except above-mentioned management object data, such as also comprise: to the collection definition information of collecting place, intelligence-collecting object, collection cycle, collection method (synchronous/asynchronous with collection plan table) etc. and defining, and the operating condition information etc. whether performing data collection process is shown.
3rd storage part 19 carries out accumulation to the some management object data collected by data collection server 2A, 2B and stores.Specifically, when adopting parallel redundancy mode as redundant fashion, to by data collection server 2A, 2B, management object data that the data collection server 2 that is set to principal series (principal series) is collected carry out accumulation storage.On the other hand, when adopting standby redundant fashion, to by data collection server 2A, 2B, management object data that the data collection server 2 that is set to run series (principal series) is collected carry out accumulation storage.Thereby, it is possible to the management object data be stored in the 3rd storage part 19 are managed as historical data.
First comparing section 11 compares the collection server data be stored in the first storage part 17 and the collection server data be stored in the second storage part 18.
At this, when adopting standby redundant fashion as redundant fashion, when using, the data collection server of standby series (from series) stops.Therefore, before execute exception judges (before being compared by the first comparing section 11), sending part 12 is according to gerentocratic operational order, and the data collection server to standby series sends the operation instruction that instruction starts the collection of management object data.Thus, the data collection server running of standby series, starts the collection of management object data.In this case, the collection server data that data collection server 2A, the 2B from two sides receives, after the data collection server entry into service of standby series, compares by the first comparing section 11 mutually.
About the content of the comparison process of the first comparing section 11, be below specifically described.
(1-1) when using the measurement comprised in management object data date and time as comparison other: by calculating the measurement date and time that is stored in the first storage part 17 and being stored in the variance rate between the measurement date and time in the second storage part 18, comparison other is compared.
(1-2) when using the measured value comprised in management object data as comparison other: by calculating the measured value that is stored in the first storage part 17 and being stored in the variance rate between the measured value in the second storage part 18, comparison other is compared.
(1-3) when using the quality information comprised in management object data as comparison other: by comparing the quality information being stored in quality information in the first storage part 17 and being stored in the second storage part 18, comparison other is compared.
(1-4) when using when collecting in server data the collection definition information that comprises as comparison other: by comparing the collection definition information be stored in the first storage part 17 and the collection definition information be stored in the second storage part 18, compare comparison other.
(1-5) when using when collecting in server data the operating condition information that comprises as comparison other: by comparing the operating condition information be stored in the first storage part 17 and the operating condition information be stored in the second storage part 18, compare comparison other.
First detection unit 13, according to the comparative result of the first comparing section 11, has determined whether exception.Below, be specifically described.
When above-mentioned (1-1), (1-2), first detection unit 13 whether beyond the allowed band preset (the first allowed band), has determined whether exception according to the variance rate between the comparison other calculated by the first comparing section 11.In other words, the first detection unit 13, when variance rate exceeds allowed band, has been judged to be exception, when variance rate is in allowed band, is judged to be not abnormal.
When above-mentioned (1-3) ~ (1-5), whether the first detection unit 13 there are differences according between the comparison other compared by the first comparing section 11, has determined whether exception.In other words, the first detection unit 13 there are differences between comparison other, be judged to be exception, when not there are differences between comparison other, be judged to be not abnormal.
Replacing portion 14, when the first detection unit 13 is judged to be do not have abnormal, changes to the principal series of the redundant of data collection server 2A, 2B setting with from series.Illustratively, when adopting that parallel redundancy mode is set to principal series (principal series) as redundant fashion, data collection server 2A, data collection server 2B is set to from series (from series), when being judged to be do not have abnormal, data collection server 2A is set as, from series, data collection server 2B being set as principal series by replacing portion 14.
On the other hand, when adopting that standby redundant fashion is set to run series (principal series) as redundant fashion, data collection server 2A, data collection server 2B is set to standby series (from series), when being judged to be do not have abnormal, data collection server 2A is set as standby series by replacing portion 14, and data collection server 2B is set as run series.
Second comparing section 15 compares the data collection server from the principal series after replacing the management object data received and the management object data be stored in the 3rd storage part 19.
At this, the second comparing section 15 using in the management object data be stored in the 3rd storage part 19, the management object data that receive from the data collection server of the principal series side changed before principal and subordinate series are as comparison other.This is because the object of the comparison process of the second comparing section 15 is, confirm the compatibility of the management object data that the management object data that receive from the principal series (namely change before from series) after changing and the principal series before changing receive.
About the content of the comparison process of the second comparing section 15, be below specifically described.
(2-1) when using the measurement comprised in management object data date and time as comparison other: by calculate receive from the data collection server of principal series after changing, based on the interval of the measurement date and time of measurement date and time tandem the time, and be stored in the 3rd storage part 19, based on the measurement date and time of time upper tandem measurement date and time interval between variance rate, comparison other is compared.
(2-2) when using the measured value comprised in management object data as comparison other: by calculating the measured value that receives from the data collection server of principal series after changing and being stored in the variance rate between the measured value the 3rd storage part 19, comparison other is compared.
(2-3) when using the quality information comprised in management object data as comparison other: by comparing the quality information received from the data collection server of principal series after changing and the quality information be stored in the 3rd storage part 19, comparison other is compared.
Second detection unit 16, according to the comparative result of the second comparing section 15, has determined whether exception.Below, be specifically described.
When above-mentioned (2-1), (2-2), second detection unit 16 whether beyond the allowed band preset (the second allowed band), has determined whether exception according to the variance rate between the comparison other calculated by the second comparing section 15.In other words, the second detection unit 16, when variance rate exceeds allowed band, has been judged to be exception, when variance rate is in allowed band, is judged to be not abnormal.
When above-mentioned (2-3), whether the second detection unit 16 there are differences according between the comparison other compared by the second comparing section 15, has determined whether exception.In other words, the second detection unit 16 there are differences between comparison other, be judged to be exception, when not there are differences between comparison other, be judged to be not abnormal.
Next, with reference to Fig. 2, to adopt parallel redundancy mode as when redundant fashion, the abnormality juding processing execution of data logger server 1 time action be described.This action starts when having dropped into abnormality juding instruction according to gerentocratic operational order.
At first, the first comparing section 11 of data logger server 1 compares (step S101) the collection server data be stored in the first storage part 17 and the collection server data be stored in the second storage part 18.
Then, the first detection unit 13, according to the result compared in above-mentioned steps S101, has determined whether exception (step S102).When this is judged to be "Yes" (step S102: "Yes"), there is exception (step S106) to manager's report, terminate this action.
In addition, can be such as the message display sent to monitor to gerentocratic notice, also can be the output of voice message sent to loud speaker, can also be to send to the message of the portable terminal device entrained by manager etc.
On the other hand, when being judged to be do not have abnormal in above-mentioned steps S102 (step S102: "No"), replacing portion 14 to be set to respectively data collection server 2A, 2B principal series or change (step S103) from series.
Then, the management object data that receive the data collection server of principal series after being replaced from series in above-mentioned steps S103 of the second comparing section 15 and the management object data be stored in the 3rd storage part 19 compare (step S104).
Then, the second detection unit 16, according to the result compared in above-mentioned steps S104, has determined whether exception (step S105).When this is judged to be "Yes" (step S105: "Yes"), there is exception (step S106) to manager's report, terminate this action.
On the other hand, when being judged to be do not have abnormal in above-mentioned steps S105 (step S105: "No"), this action is terminated.
Next, with reference to Fig. 3, to adopt standby redundant fashion as when redundant fashion, the abnormality juding processing execution of data logger server time action be described.This action starts when having dropped into abnormality juding instruction according to gerentocratic operational order.
At this, the contents processing of the step S202 shown in Fig. 3 ~ S207 is identical with the contents processing of the step S101 shown in Fig. 2 ~ S106.But, the principal series in step S101 ~ 106, among step S202 ~ S207, renamed as run series, standby series from series respectively.Below, the step S202 ~ S207 about Fig. 3 omits the description, and is only described step S201.
At first, the sending part 12 of data logger server 1 sends to the data collection server of standby series the operation instruction (step S201) that instruction starts the collection of management object data.Thus, the data collection server of standby series starts the collection of management object data, and the management object data of collection are sent to data logger server, and be stored in the first storage part 17 or the second storage part 18 some in.
As described above, according to the data logger server 1 in example, by having the first comparing section 11, the collection server data that can receive the data collection server from principal series and comparing from the collection server data that the data collection server from series receives, by having the first detection unit 13, whether the difference between the collection server data that can compare according to the first comparing section 11 is beyond the allowed band specified, determine whether exception, by having replacing portion 14, can when being judged to be do not have abnormal by the first detection unit 13, change principal series and from series, by having the second comparing section 15, can compare to the management object data that receive from the data collection server of principal series after changing with from the management object data that the data collection server of the principal series before changing receives, by having the second detection unit 16, whether the difference between the management object data that can compare according to the second comparing section 15 is beyond the allowed band specified, determine whether exception.
That is, in the abnormality juding process performed by dropping into abnormality juding instruction by manager, as the judgement of first stage, can by respectively from principal series and from series of reception to collection server data mutually compare to judge abnormal presence or absence, when not having abnormal according to this judgement, as the judgement of second stage, principal series can be changed and from series, the management object data that the management object data received from the principal series after replacing and the principal series before changing receive are compared, to judge abnormal presence or absence.
Therefore, according to the data logger server 1 in example, just can confirm principal series and from series whether normally action, improve the fail safe of redundant system.
Symbol description
1: data logger server
2A, 2B: data collection server
11: the first comparing sections
12: sending part
13: the first detection units
14: replacing portion
15: the second comparing sections
16: the second detection units
17: the first storage parts
18: the second storage parts
19: the three storage parts
21A, 21B: data collection unit
22A, 22B: data sending part.
Claims (9)
1. an abnormity determining device, is characterized in that, has:
First storage part and the second storage part, it is from management object equipment collection management object data, and stores respectively the collector node data comprising the described management object data received from the first collector node and second collector node of redundant respectively;
3rd storage part, it carries out accumulation to the some described management object data collected by described first collector node or described second collector node and stores;
First comparing section, it compares to the described collector node data stored by described first storage part with by the described collector node data of described second storage part storage;
First detection unit, it whether beyond the first allowed band preset, has determined whether exception according to the difference between the described collector node data compared by described first comparing section;
Replacing portion, it is when being judged to be do not have abnormal by described first detection unit, change be set to respectively the redundant of described first collector node and described second collector node principal series and from series;
Second comparing section, its to from described first collector node and described second collector node, changed by described replacing portion after the described management object data that receive of the collector node of principal series and the described management object data that stored by described 3rd storage part compare; And
Second detection unit, it whether beyond the second allowed band preset, has judged whether exception according to the difference between the described management object data compared by described second comparing section.
2. abnormity determining device as claimed in claim 1, wherein, is characterized in that,
Also have sending part, described sending part, when the redundant fashion of described redundant is standby redundant fashion, sends operation instruction to the described collector node from series, and instruction starts the collection of described management object data,
Described first comparing section, after the described collector node from series is according to described operation instruction running, uses the described collector node data received from described first collector node and described second collector node to compare.
3. the abnormity determining device described in claim 1 or 2, is characterized in that,
Described management object packet carries out the measurement date and time measured containing described management object equipment,
Described first comparing section calculates the variance rate between the described measurement date and time stored by described first storage part and the described measurement date and time stored by described second storage part,
Described first detection unit whether beyond the first allowed band preset, has determined whether exception according to the described variance rate calculated by described first comparing section.
4. the abnormity determining device described in claim 3, is characterized in that,
Interval that described second comparing section calculating receives from the collector node of described principal series, tandem described measurement date and time the time, and by described 3rd storage part store, on the time tandem described measurement date and time interval between variance rate
Described second detection unit whether beyond the second allowed band preset, has determined whether exception according to the described variance rate calculated by described second comparing section.
5. the abnormity determining device described in claim 1 or 2, is characterized in that,
Described management object packet contains the measured value measured by described management object equipment,
Described first comparing section calculates the variance rate between the described measured value stored by described first storage part and the described measured value stored by described second storage part,
Described first detection unit whether beyond the first allowed band preset, has determined whether exception according to the described variance rate calculated by described first comparing section.
6. the abnormity determining device described in claim 5, is characterized in that,
Described second comparing section calculates the described measured value received from the collector node of described principal series, and the variance rate between the described measured value stored by described 3rd storage part,
Described second detection unit whether beyond the second allowed band preset, has determined whether exception according to the described variance rate calculated by described second comparing section.
7. the abnormity determining device described in claim 1 or 2, is characterized in that,
Described management object packet contains the quality information with the correlation of attributes of described management object data,
Described first comparing section compares to the described quality information stored by described first storage part with by the described quality information of described second storage part storage,
Whether described first detection unit there are differences according between the described quality information compared by described first comparing section, has determined whether exception.
8. the abnormity determining device described in claim 7, is characterized in that,
The described quality information that described second comparing section receives the collector node from described principal series, and the described quality information stored by described 3rd storage part compares,
Whether described second detection unit there are differences according between the described quality information compared by described second comparing section, has determined whether exception.
9. the abnormity determining device described in claim 1 or 2, is characterized in that,
Described collector node packet contains the definition information relevant to the collection of described management object data,
Described first comparing section compares to the described definition information stored by described first storage part with by the described definition information of described second storage part storage,
Whether described first detection unit there are differences according between the described definition information compared by described first comparing section, has determined whether exception.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014144480A JP6262088B2 (en) | 2014-07-14 | 2014-07-14 | Abnormality judgment device |
| JP2014-144480 | 2014-07-14 |
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| Publication Number | Publication Date |
|---|---|
| CN105262607A true CN105262607A (en) | 2016-01-20 |
| CN105262607B CN105262607B (en) | 2018-09-11 |
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| CN201510404600.9A Active CN105262607B (en) | 2014-07-14 | 2015-07-10 | Abnormity determining device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6262088B2 (en) |
| KR (1) | KR101748027B1 (en) |
| CN (1) | CN105262607B (en) |
| SG (1) | SG10201505271SA (en) |
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| CN108205309A (en) * | 2016-12-20 | 2018-06-26 | 发那科株式会社 | Abnormity determining device and abnormality determination method |
| CN108693864A (en) * | 2017-03-31 | 2018-10-23 | 阿自倍尔株式会社 | Apparatus for diagnosing deterioration |
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| WO2013032044A1 (en) * | 2011-08-26 | 2013-03-07 | 한국전력공사 | System and method for managing a power distribution system |
| US20140025808A1 (en) * | 2012-07-20 | 2014-01-23 | Hitachi, Ltd. | Monitoring system and monitoring program |
| CN103676825A (en) * | 2012-08-31 | 2014-03-26 | 横河电机株式会社 | Maintenance support system, maintenance support apparatus and maintenance support method |
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| CN108205309A (en) * | 2016-12-20 | 2018-06-26 | 发那科株式会社 | Abnormity determining device and abnormality determination method |
| CN108205309B (en) * | 2016-12-20 | 2019-08-23 | 发那科株式会社 | Abnormity determining device and abnormality determination method |
| US10486279B2 (en) | 2016-12-20 | 2019-11-26 | Fanuc Corporation | Abnormality determination device and abnormality determining method |
| CN108693864A (en) * | 2017-03-31 | 2018-10-23 | 阿自倍尔株式会社 | Apparatus for diagnosing deterioration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105262607B (en) | 2018-09-11 |
| KR101748027B1 (en) | 2017-06-15 |
| SG10201505271SA (en) | 2016-02-26 |
| JP2016021143A (en) | 2016-02-04 |
| KR20160008456A (en) | 2016-01-22 |
| JP6262088B2 (en) | 2018-01-17 |
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