CN104460602B - The detection method and its system of industrial stokehold technological process safety - Google Patents
The detection method and its system of industrial stokehold technological process safety Download PDFInfo
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Abstract
The invention discloses the detection method and system of a kind of industrial stokehold technological process safety, including：Obtain and parse the process control data streams of target industrial process control system；The state value and timestamp of the safety monitoring point in process control data streams after extraction parsing；According to the state value and timestamp of safety monitoring point, generation safety monitoring point walks power curve；Obtain and parse the real time planning data flow of target industrial process control system；The state value and timestamp of the safety monitoring point in real time planning data flow after extraction parsing；According to the state value and timestamp of the safety monitoring point in real time planning data flow, generation Real-time security monitoring point walks power curve；Compare safety monitoring point walk power curve and Real-time security monitoring point walk power curve, judge whether target industrial process control system in a safe condition, if it is not, then alarm.Realize and its specific control law progress content depth detection is combined to process control interaction data stream.
Description
Technical field
The present invention relates to industrial process control system security technology area, more particularly to a kind of industrial stokehold technique
The detection method and its system of flow safety.
Background technology
With the rapid development of China's modernization of industry, the degree of industrial automation also more and more higher, industrial control system
Also it is more and more perfect.
Industrial process control system is widely used in the important production field such as petrochemical industry, metallurgy, pharmacy.Recently as industry
Control system is information-based, the development in networking direction, and information security is increasingly becoming one new research theme of industrial control field, simultaneously
New attack mode continuously emerges for industrial control system physical entity so that industrial control system is safe from traditional function
Safety, expands to network security, and further extends into production process technology safety.
The safety of technique has important influence to the quality of process control product (such as oil gas, steel, medicine), and it is destroyed
It is long-term, hidden, for the attack of technique, can not detects and solve from the angle of Network Communicate Security merely, needs
Its specific control law is combined to process control interaction data stream and carries out content depth detection.Lack such safety inspection at present
Survey means and system.
Therefore how to realize that its specific control law is combined to process control interaction data stream carries out content depth detection
It is urgent problem to be solved.
The content of the invention
It is an object of the invention to provide the detection method and its system of a kind of industrial stokehold technological process safety, realizes
Its specific control law is combined to process control interaction data stream and carries out content depth detection.
In order to solve the above technical problems, the present invention provides a kind of detection method of industrial stokehold technological process safety,
Including：
Obtain and parse the process control data streams of target industrial process control system；
Extract the state value and timestamp of the safety monitoring point in the process control data streams after the parsing；
According to the state value and timestamp of the safety monitoring point, generation safety monitoring point walks power curve；
Obtain and parse the real time planning data flow of the target industrial process control system；
Extract the state value and timestamp of the safety monitoring point in the real time planning data flow after the parsing；
According to the state value and timestamp of the safety monitoring point in the real time planning data flow, actual time safety is generated
Walk power curve in monitoring point；
Compare the safety monitoring point walk power curve and Real-time security monitoring point walk power curve, judge target industry
Whether process control system is in a safe condition, if it is not, then alarm.
Preferably, it is described compare the safety monitoring point walk power curve and Real-time security monitoring point walk power curve, sentence
Whether disconnected target industrial process control system is in a safe condition, including：
Segmentation compare the safety monitoring point walk power curve and Real-time security monitoring point walk power curve, be calculated tired
Product error；
The accumulated error is judged whether in the range of default margin of safety, determines whether the safety monitoring point is in
Safe condition；
According to default safety monitoring point and the corresponding relation of technique sub-process, it is calculated corresponding with the safety monitoring point
Technique sub-process safe condition situation.
Preferably, the determination mode of the safety monitoring point and the corresponding relation of technique sub-process includes：
Obtain the user program of target industrial process control system；
According to the classification of control law technique, the main flow for dividing the user program is multiple technique sub-processes；
Analysis on configuration template matches are carried out to the multiple technique sub-process respectively, extracted in the multiple technique sub-process
Survey parametric variable；
It is determined that the safety monitoring point surveyed in parametric variable, establishes the safety monitoring point and pair of technique sub-process
It should be related to.
Preferably, described to carry out analysis on configuration template matches to the multiple technique sub-process respectively, extraction is the multiple
Parametric variable of surveying in technique sub-process includes：
Masterplate is analyzed by user program, program corresponding to each control process technique sub-process is analyzed；
By the feature of each control process technique sub-process obtained after analysis, masterplate is analyzed with the user program
The feature of definition is matched；
If the match is successful, the feature is defined as measurable parametric variable.
Preferably, the segmentation compares the tendency song for walking power curve and Real-time security monitoring point of the safety monitoring point
Line, accumulated error is calculated and specifically includes：
Segmentation describes the feature of the variation tendency for walking power curve of the safety monitoring point；
Segmentation describes the feature of the variation tendency for walking power curve of the Real-time security monitoring point；
Segmentation compares the feature of the variation tendency for walking power curve of the safety monitoring point and the Real-time security monitoring point
The variation tendency for walking power curve feature；
Accumulated error is calculated according to the result compared.
Preferably, after segmentation describes the feature of the variation tendency for walking power curve of the safety monitoring point, further wrap
Include：Historical data stream feature experience collection is established, the feature of the variation tendency for walking power curve of the safety monitoring point collects simultaneously
It is sent into the historical data stream feature experience collection.
Preferably, it is described judge whether target industrial process control system in a safe condition after, further comprise：
If it is determined that target industrial process control system is in a safe condition, then by the tendency of the Real-time security monitoring point
The feature of plots changes is sent into the historical data stream feature experience collection.
Preferably, the alarm includes：Generate simultaneously outputting alarm information.Present invention also offers a kind of industrial stokehold
The detecting system of technological process safety, including：
Distributed process data flow acquisition device and process control process safety detection platform；Wherein：
The distributed process data flow acquisition device, for obtaining and parsing the process of target industrial process control system
Control data stream and real time planning data flow；
The process control process safety detection platform includes：
The process data stream extraction module being connected with the distributed process data flow acquisition device, for extracting institute respectively
State the state of the process control data streams after parsing and the safety monitoring point in the real time planning data flow after the parsing
Value and timestamp；
The detection module being connected with the process data stream extraction module, for according to the process control number after the parsing
According to the state value and timestamp of the safety monitoring point in stream, generation safety monitoring point walks power curve；And according to the real-time mistake
The state value and timestamp of safety monitoring point in process control data flow, generation Real-time security monitoring point walk power curve；Compare
The safety monitoring point walk power curve and Real-time security monitoring point walk power curve, judge that target industrial process control system is
It is no in a safe condition；
The alarm module being connected with the detection module, judge target industrial process control system for the detection module
Safe condition is not on, is alerted.
Preferably, the distributed process data flow acquisition device includes：
Process control stream hardware interface module, for transmitting what is obtained from each interface in industrial process control system
Process control data streams and real time planning data flow；
The protocol adaptation drive module being connected with the process control stream hardware interface module, it is described for receiving and transmitting
The process control data streams and real time planning data flow of process control stream hardware interface module transmission；
The data resolution module being connected with the protocol adaptation drive module, for obtaining the transmission of protocol adaptation drive module
Target industrial process control system process control data streams and real time planning data flow, and parse the process control
Data flow and real time planning data flow.
Preferably, the detection module includes：Detecting and alarm and mapping table memory module；Wherein：
The mapping table memory module, for storing the corresponding relation of safety monitoring point and technique sub-process；
The detecting and alarm is connected with the mapping table memory module, and the tendency of the safety monitoring point is compared for being segmented
Whether curve and Real-time security monitoring point walk power curve, and accumulated error is calculated, and judge the accumulated error default
Margin of safety in the range of, determine whether the safety monitoring point in a safe condition；Again according to the mapping table memory module
The safety monitoring point of middle storage and the corresponding relation of technique sub-process, technique corresponding with the safety monitoring point is calculated
The safe condition situation of flow.
Preferably, the process control process safety detection platform also includes：
User UI, the user program of the target industrial process control system for receiving user's input；
The process typing parsing module being connected with the user UI, the acquisition mesh received for user UI
The user program of industrial process control system is marked, and according to the classification of control law technique, divides the main flow of the user program
Journey is multiple technique sub-processes, carries out analysis on configuration template matches to the multiple technique sub-process respectively, and extraction is the multiple
Parametric variable is surveyed in technique sub-process；
The generation mapping block being connected with the process typing parsing module, for determining described to survey parametric variable
In safety monitoring point, establish the safety monitoring point and the corresponding relation of technique sub-process.
Preferably, the process typing parsing module includes：
User program analyzes masterplate, for analyzing program corresponding to each control process technique sub-process,
And by the feature of each control process technique sub-process obtained after analysis, defined with user program analysis masterplate
Feature is matched；
If the match is successful, the feature is defined as measurable parametric variable by the user program analysis masterplate.
Preferably, what detecting and alarm segmentation compared the safety monitoring point walks power curve and Real-time security monitoring point
Power curve is walked, when accumulated error is calculated, is specifically used for：
Segmentation describes the feature of the variation tendency for walking power curve of the safety monitoring point；
Segmentation describes the feature of the variation tendency for walking power curve of the Real-time security monitoring point；
Segmentation compares the feature of the variation tendency for walking power curve of the safety monitoring point and the Real-time security monitoring point
The variation tendency for walking power curve feature；
Accumulated error is calculated according to the result compared.
Preferably, the detection module further comprises：
The historical data stream feature experience collection memory module being connected with the detecting and alarm, for obtaining and storing the peace
The feature of the variation tendency for walking power curve of full monitoring point.
Preferably, the alarm module includes：
First alarm module, for generating and being sent a warning message to the user UI of the detecting system.
Preferably, the detection components are connected with the user UI of the detecting system, for the use of the detecting system
Family UI send the safety monitoring point walk power curve and Real-time security monitoring point walk power curve；
The user UI of the detecting system be used for export the safety monitoring point walk power curve and the actual time safety prison
Measuring point walks power curve.
Preferably, the distributed process data flow acquisition device also includes：
The configuration being connected with the industrial stokehold process safety detection platform and communication interface modules, for obtaining
The configuration file of industrial stokehold process safety detection platform transmission is stated, the protocol adaptation drive module, data are parsed
Module and process control stream hardware interface module are numbered, and to the protocol adaptation drive module, data resolution module
And the interface of process control stream hardware interface module is configured.
Preferably, the distributed process data flow acquisition device further comprises：
The response linkage expansion connection module being connected with the alarm module, for when the alarm module alerts, building
The response of the vertical safety protection equipment with system links, and target industrial process control system is in off working state.
The invention provides the detection method and its system of a kind of industrial stokehold technological process safety, by obtaining mesh
The process control data streams and real time planning data flow of mark industrial process control system process control are simultaneously analyzed respectively,
And then the state value and timestamp of safety monitoring point and Real-time security monitoring point are obtained, and that draws safety monitoring point walks power curve
With walking power curve in real time；By by safety monitoring point walk power curve and Real-time security monitoring point walk power curve combine into
Row compares, and to judge the safe condition of target industrial process control system now, realizes in this way to process control
Interaction data stream combines its specific control law and carries out content depth detection.
Brief description of the drawings
Fig. 1 is the operating process of the detection method of industrial stokehold technological process safety disclosed in the embodiment of the present invention
Figure；
Fig. 2 is the operation stream of the detection method of industrial stokehold technological process safety disclosed in another embodiment of the present invention
Cheng Tu；
Fig. 3 is the operation stream of the detection method of industrial stokehold technological process safety disclosed in another embodiment of the present invention
Cheng Tu；
Fig. 4 is the operation stream of the detection method of industrial stokehold technological process safety disclosed in another embodiment of the present invention
Cheng Tu；
Fig. 5 is the system knot of the detecting system of industrial stokehold technological process safety disclosed in another embodiment of the present invention
Composition；
Fig. 6 is the system knot of the detecting system of industrial stokehold technological process safety disclosed in another embodiment of the present invention
Composition；
Fig. 7 is the system knot of the detecting system of industrial stokehold technological process safety disclosed in another embodiment of the present invention
Composition.
Embodiment
The core of the present invention is to provide a kind of detection method and its system of industrial stokehold technological process safety, passes through
The data flow and real time planning data flow of target industrial process control system process control are obtained respectively, draw safety monitoring
Point walks power curve with walking power curve in real time；By the way that the power curve of walking of safety monitoring point is compared with walking power curve in real time,
To judge whether target industrial process control system is safe.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Embodiment of the invention discloses that a kind of detection method of industrial stokehold technological process safety, referring to Fig. 1, sheet
The detection method of industrial stokehold technological process safety in embodiment includes：
S101, acquisition and the process control data streams for parsing target industrial process control system.
Specifically, the process control data streams of the target industrial process control system obtained, i.e., from target industrial process control
Mutual message is obtained in system processed.
If above-mentioned mutual message is Ethernet message, the MAC that ICP/IP protocol stack carries out packet is first according to
Layer, IP layers and the parsing of TCP/UDP layer datas, extract application layer data, and parsed according to application layer protocol form masterplate；Such as
The above-mentioned mutual message of fruit is bus network message, then is directly parsed according to field bus protocol.
After being parsed by above-mentioned agreement to the data of acquisition, can analytically after target industry is obtained in data
The status data of all I/O points of process control system, i.e., the state value of all I/O points and the sampling time of the state value.
The state value and timestamp of the safety monitoring point in process control data streams after S102, extraction parsing.
Wherein, above-mentioned safety monitoring point refers specifically to generation, and important shadow can be caused to target industrial process control system
Loud controling parameter, such as：The controling parameters such as temperature, pressure, flow, concentration；The timestamp of safety monitoring point is safety monitoring
The sampling time of the acquisition time, the i.e. state value of safety monitoring point of the state value of point.
S103, state value and timestamp according to safety monitoring point, generation safety monitoring point walk power curve.
Specifically, using the state value of safety monitoring point as the longitudinal axis, using the sampling time of the state value of safety monitoring point as horizontal stroke
Axle, generate safety monitoring point in a coordinate system walks power curve.
S104, acquisition and the real time planning data flow for parsing target industrial process control system.
Specifically, the history of the invention that in the initial deployment of target industrial process control system, neither one refers to
Data are as the foundation compared, therefore in S101, acquisition process control data stream is historical data；And it is acquisition mesh in S104
The real time planning data flow of industrial process control system is marked, that is, obtains current monitored target industrial stokehold
The real time data of system, and the resolving of the real time planning data flow is identical with S101 resolving, herein no longer
Repeat.
The state value and timestamp of the safety monitoring point in real time planning data flow after S105, extraction parsing.
S106, state value and timestamp according to the safety monitoring point in real time planning data flow, generate peace in real time
Walk power curve in full monitoring point.
S107, compare safety monitoring point walk power curve and Real-time security monitoring point walk power curve.
S108, judge whether target industrial process control system is in a safe condition；
If it is determined that target industrial process control system is not in safe condition, then S109, alarm are performed.
Specifically, above-mentioned comparison safety monitoring point walk power curve and Real-time security monitoring point walk power curve, be to pacify
Full monitoring point walk power curve and each point walked on power curve of Real-time security monitoring point is compared, i.e. each phase
Simultaneously calculation error is compared with sampling time upper corresponding state value, judges the error whether in default margin of safety scope
It is interior, i.e., whether in default error allowed band；If illustrating that system is in a safe condition, if it was not then explanation
System is in unsafe condition.
Further, alarm is specifically as follows generation and outputting alarm information.
Specifically, warning information be target industrial process control system now at danger classes, user can basis
The warning information is handled danger at once, to ensure the safety of target industrial process control system, certain warning information
It is not limited in this form, as long as the object of the invention can be realized.
In summary, in the detection method of industrial stokehold technological process safety disclosed in the embodiment of the present invention, pass through
Obtain and parse the process control data streams and real time planning data flow of target industrial process control system, and carry out respectively
Analysis, obtains the state value and timestamp of safety monitoring point and Real-time security monitoring point, and the tendency for drawing safety monitoring point is bent
Line and Real-time security monitoring point walk power curve；By by obtained safety monitoring point walk power curve and in real time walk power curve knot
It is compared altogether, the state of safety monitoring point now is analyzed, judges that target industrial process control system is
No safety, if target industrial process control system is not in safe condition, alert.Realize and number is interacted to process control
Its specific control law, which is combined, according to stream carries out content depth detection.
Another embodiment of the present invention discloses a kind of detection method of industrial stokehold technological process safety, referring to figure
2, including step：
S201, acquisition and the process control data streams for parsing target industrial process control system.
The state value and timestamp of the safety monitoring point in process control data streams after S202, extraction parsing.
S203, state value and timestamp according to safety monitoring point, generation safety monitoring point walk power curve.
S204, acquisition and the real time planning data flow for parsing target industrial process control system.
The state value and timestamp of the safety monitoring point in real time planning data flow after S205, extraction parsing.
S206, state value and timestamp according to the safety monitoring point in real time planning data flow, generate peace in real time
Walk power curve in full monitoring point.
S207, segmentation compare safety monitoring point walk power curve and Real-time security monitoring point walk power curve, be calculated
Accumulated error.
Specifically, the accumulated error is by safety monitoring point state corresponding with Real-time security monitoring point each sampling time
Value, which is made the difference, carrys out calculation error, then again carries out the error amount that state value corresponding to each sampling time is made the difference to obtain
Summation, and then obtain accumulated error.
Such as：Sampling instant 1, the error of safety monitoring point 1 and the state value of Real-time security monitoring point 1 is X1；Sampling instant
2, the error of safety monitoring point 1 and the state value of Real-time security monitoring point 1 is X2；... sampling instant N, safety monitoring point 1 and reality
When the state value of safety monitoring point 1 error be XN, then the accumulated error of the safety monitoring point 1 and Real-time security monitoring point 1 is X1+
X2+……+XN。
S208, accumulated error is judged whether in the range of default margin of safety, determine safety monitoring point whether in peace
Total state.
Judge accumulated error whether in the range of default margin of safety for example：Each sampling instant is set in advance in, is pacified
Full monitoring point 1 and the error of Real-time security monitoring point 1 are X, then the accumulation of safety monitoring point 1 and Real-time security monitoring point 1 misses
The margin of safety scope of difference is N × X；And the cumulative actual error of above-mentioned safety monitoring point 1 and Real-time security monitoring point 1 is X1+
X2+……+XN；Therefore judge whether safety monitoring point 1 is located with actual accumulated error by more default cumulative errors
In safe condition.
Specifically, margin of safety scope can be set according to actual conditions.
S209, the corresponding relation according to default safety monitoring point and technique sub-process, are calculated and safety monitoring point pair
The safe condition situation for the technique sub-process answered.
Specifically, the quantity of above-mentioned safety monitoring point is not limited only to one, each safety monitoring point has corresponding work
Skill sub-process, and many technique sub-processes in target industrial process control system be present, therefore safety monitoring point is also corresponding with very
It is multiple.
S210, sentence according to the safe condition of technique sub-process corresponding to safety monitoring point corresponding to above-mentioned safety monitoring point
It is disconnected to judge whether target industrial process control system is in a safe condition；
If it is determined that target industrial process control system is not in safe condition, then S211, alarm are performed.
Further, in another embodiment of the invention, safety monitoring point and the corresponding relation of technique sub-process be really
Determining mode includes：
Obtain the user program of target industrial process control system.
Wherein, above-mentioned user program is from the control law configuration info in target industrial process control system configuration info
Middle acquisition.
According to the classification of control law technique, the main flow for dividing user program is multiple technique sub-processes.
Specifically, including multiple technique sub-processes in the main flow of the user program, each technique sub-process is responsible for difference
Physical control flow process, each physical control flow process is using different control law technique and corresponding different program
Code, and program code is separated, therefore according to the classification of control law technique, the main flow of user program can be divided
For multiple technique sub-processes.
Analysis on configuration template matches are carried out to multiple technique sub-processes respectively, extracts in multiple technique sub-processes and surveys ginseng
Number variable.
It is determined that the safety monitoring point that can be surveyed in parametric variable, establishes safety monitoring point and the corresponding relation of technique sub-process.
It is determined that the safety monitoring point that can be surveyed in parametric variable is specifically, determining and choosing to target industrial process control system
The parametric variable of surveying of material impact, such as temperature, pressure, concentration index are caused, therefore above-mentioned establishes safety monitoring point and work
The corresponding relation of skill sub-process be establish target industrial process control system is caused material impact survey parametric variable and
The corresponding relation of technique sub-process.
But be not restricted to establish herein cause material impact to target industrial process control system survey parameter
The corresponding relation of variable and technique sub-process, all corresponding passes for surveying parametric variable and technique sub-process are established herein
System, because that causes material impact to target industrial process control system surveys parametric variable to target industrial process control system
Have a great influence, so preferential establish, preferentially detected when detection and important shadow caused to target industrial process control system
The loud data surveyed parametric variable, i.e., preferentially detect safety monitoring point.
Further, in another embodiment of the present invention, analysis on configuration template is carried out to multiple technique sub-processes respectively
Match somebody with somebody, the parametric variable of surveying extracted in the multiple technique sub-process includes：
Masterplate is analyzed by user program, program corresponding to each control process technique sub-process is analyzed；
By the feature of each control process technique sub-process obtained after analysis, the spy defined with user program analysis masterplate
Sign is matched；
If the match is successful, feature is defined as measurable parametric variable.
Specifically, control process technique sub-process is also one section of user program code, masterplate is analyzed by user program, i.e.,
Include the feature of the sentences such as the variable-definition in user program, assignment, conditional branching, by the program of control process technique sub-process
Code is matched with these predefined features, if the match is successful, you can it is measurable parametric variable to determine this feature.
Another embodiment of the present invention discloses a kind of detection method of industrial stokehold technological process safety, referring to figure
3, including：
S301, acquisition and the process control data streams for parsing target industrial process control system.
The state value and timestamp of the safety monitoring point in process control data streams after S302, extraction parsing.
S303, state value and timestamp according to safety monitoring point, generation safety monitoring point walk power curve.
S304, acquisition and the real time planning data flow for parsing target industrial process control system.
The state value and timestamp of the safety monitoring point in real time planning data flow after S305, extraction parsing.
S306, state value and timestamp according to the safety monitoring point in real time planning data flow, generate Real-time security monitoring point
Walk power curve.
S307, segmentation describe the feature of the variation tendency for walking power curve of safety monitoring point.
S308, segmentation describe the feature of the variation tendency for walking power curve of Real-time security monitoring point.
S309, segmentation compare the feature for the variation tendency for walking power curve and the walking for Real-time security monitoring point of safety monitoring point
The feature of the variation tendency of power curve, accumulated error is calculated according to the result compared.
Specifically, in the present embodiment, safety monitoring point and Real-time security monitoring point the variation tendency for walking power curve
Feature can specifically include, and walk the concave vertex of power curve, concave crown point, flex point, be incremented by section, section of successively decreasing, acceleration area and subtract
The features such as fast section.
S310, accumulated error is judged whether in the range of default margin of safety, determine safety monitoring point whether in peace
Total state.
S311, the corresponding relation according to default safety monitoring point and technique sub-process, are calculated and safety monitoring point pair
The safe condition situation for the technique sub-process answered.
S312, sentence according to the safe condition of technique sub-process corresponding to safety monitoring point corresponding to above-mentioned safety monitoring point
It is disconnected to judge whether target industrial process control system is in a safe condition.
If it is determined that target industrial process control system is not in safe condition, then S313, alarm are performed.
Another embodiment of the present invention discloses a kind of detection method of industrial stokehold technological process safety, referring to figure
4, including：
S401, acquisition and the process control data streams for parsing target industrial process control system.
The state value and timestamp of the safety monitoring point in process control data streams after S402, extraction parsing.
S403, state value and timestamp according to safety monitoring point, generation safety monitoring point walk power curve.
S404, acquisition and the real time planning data flow for parsing target industrial process control system.
The state value and timestamp of the safety monitoring point in real time planning data flow after S405, extraction parsing.
S406, state value and timestamp according to the safety monitoring point in real time planning data flow, generate peace in real time
Walk power curve in full monitoring point.
S407, segmentation describe the feature of the variation tendency for walking power curve of safety monitoring point, establish historical data stream feature
Experience collection, by the feature of the variation tendency for walking power curve of safety monitoring point, collect and be sent into historical data stream feature experience collection.
S408, segmentation describe the feature of the variation tendency for walking power curve of Real-time security monitoring point.
S409, segmentation compare the feature for the variation tendency for walking power curve and the walking for Real-time security monitoring point of safety monitoring point
The feature of the variation tendency of power curve, accumulated error is calculated according to the result compared.
Specifically, segmentation description Real-time security monitoring point walk the variation tendency of power curve after, first from historical data stream
Feature experience concentrates the feature of the variation tendency for walking power curve of extraction safety monitoring point, then carries out segmentation contrast.
S410, judge that above-mentioned accumulated error whether in the range of default margin of safety, determines whether safety monitoring point is located
In safe condition.
S411, the corresponding relation according to default safety monitoring point and technique sub-process, are calculated and safety monitoring point pair
The safe condition situation for the technique sub-process answered.
S412, sentence according to the safe condition of technique sub-process corresponding to safety monitoring point corresponding to above-mentioned safety monitoring point
It is disconnected to judge whether target industrial process control system is in a safe condition；
If it is determined that target industrial process control system is not in safe condition, then S413, alarm are performed.
Further, in another embodiment of the present invention, judge whether target industrial process control system is in safe shape
After state, if it is determined that target industrial process control system is in a safe condition, then Real-time security monitoring point is walked into power curve
The feature of variation tendency be sent into historical data stream feature experience collection, historical data stream feature experience collection has the function of self study,
The feature of the variation tendency for walking power curve of Real-time security monitoring point can allow historical data stream feature experience collection under safe condition
The data of middle database are more perfect.
In addition, when being detected to target industrial process control system next time, it is only necessary to obtain and parse mistake in real time
Process control data flow, according to the state value and timestamp of Real-time security monitoring point, obtain Real-time security monitoring point walks power curve,
After the feature of the variation tendency for walking power curve of segmentation description Real-time security monitoring point, directly from historical data stream feature experience collection
The feature of the variation tendency for walking power curve of middle extraction safety monitoring point carries out segmentation comparison, without obtaining and solving again
Analyse the process control data streams of target industrial process control system.
In summary, the detection method of industrial stokehold technological process safety disclosed by the invention, according to target industry
What the user program in Process Control System in configuration info determined technique sub-process and technique sub-process surveys parametric variable,
And target industrial process control system is influenceed big to survey parametric variable as safety monitoring point.
By obtaining and parsing the process control data streams of target industrial process control system, safety monitoring point sampling is obtained
The sampling time that value and sampled value obtain, and that draws safety monitoring point walks power curve.
By obtaining and parsing the real time planning data flow of target industrial process control system, actual time safety prison is obtained
In the sampling time that measuring point sampled value and sampled value obtain, that draws Real-time security monitoring point walks power curve.
The feature of the variation tendency for walking power curve of segmentation description safety monitoring point, and establish historical data stream feature experience
Collection, collects and is sent to historical data stream feature experience collection by the feature of the variation tendency for walking power curve of safety monitoring point.Point
After the feature of the variation tendency for walking power curve of segment description Real-time security monitoring point, concentrate and extract from historical data stream feature experience
The feature of the variation tendency for walking power curve of safety monitoring point simultaneously carries out segmentation comparison, then will be segmented the data use obtained after comparison
To calculate accumulated error.
And judge whether the accumulated error exceedes default margin of safety scope, and then determine the safe shape of safety monitoring point
State, while the safe condition of technique sub-process corresponding to safety monitoring point is determined, so as to judge target industrial stokehold
The safe condition of system, if target industrial process control system is not in safe condition, alert.
It is thereby achieved that its specific control law is combined to process control interaction data stream carries out content depth detection.
Another embodiment of the present invention discloses a kind of detecting system of industrial stokehold technological process safety, referring to figure
5, including：
Distributed process data flow acquisition device 101 and process control process safety detection platform 102；Wherein：
Distributed process data flow acquisition device 101, for obtaining and parsing the process of target industrial process control system
Control data stream and real time planning data flow.
Process control process safety detection platform 102 includes：
The process data stream extraction module 103 being connected with distributed process data flow acquisition device 101, for extracting respectively
The state value of the safety monitoring point in the real time planning data flow after process control data streams and parsing after parsing and when
Between stab, i.e. sampling time of the state value of safety monitoring point and the state value.
The detection module 104 being connected with process data stream extraction module 103, for according to the process control data after parsing
The state value and timestamp of safety monitoring point in stream, generation safety monitoring point walk power curve；And according to real time planning
The state value and timestamp of safety monitoring point in data flow, generation Real-time security monitoring point walk power curve；Compare safety prison
Measuring point walk power curve and Real-time security monitoring point walk power curve, judge target industrial process control system whether in safety
State.
The alarm module 105 being connected with detection module 104, judge target industrial stokehold system for detection module 104
System is not on safe condition, alerts.
In the detecting system of industrial stokehold technological process safety disclosed in the present embodiment, pass through distributed process data
Harvester 101 is flowed, the process control data streams and real time planning data flow of acquisition target industrial process control system are simultaneously
Parsed respectively；Process data stream extraction module 103 obtain safety monitoring point and Real-time security monitoring point state value and when
Between stab；Detection module 104 generate safety monitoring point walk power curve and Real-time security monitoring point walk power curve, and compare safety
Monitoring point walk power curve and Real-time security monitoring point walk power curve, judge target industrial process control system whether in peace
Total state, if it is determined that obtaining target industrial process control system is not on safe condition, then the notice of detection module 104 alarm
Module 105 is alerted, and realizes and its specific control law progress content depth inspection is combined to process control interaction data stream
Survey.
It should be noted that each portion in the detecting system of industrial stokehold technological process safety disclosed in the present embodiment
The specific work process of part refers to the embodiment of corresponding diagram 1, and here is omitted.
Another embodiment of the present invention discloses a kind of detecting system of industrial stokehold technological process safety, referring to figure
6, the detecting system of the industrial stokehold technological process safety in the present embodiment including process control process safety except detecting
Outside platform 102, distributed process data flow acquisition device 101 includes：
Process control stream hardware interface module 106, obtained for transmitting from each interface in industrial process control system
The process control data streams and real time planning data flow taken.
Specifically, each interface in industrial process control system includes polymorphic type field-bus interface, EPA
Interface etc..
The protocol adaptation drive module 107 being connected with process control stream hardware interface module 106, for receiving and being transmitted across
The process control data streams and real time planning data flow that process control stream hardware interface module 106 is transmitted；The protocol adaptation is driven
Dynamic model block 107 can provide the driving of said process controlling stream hardware interface module 106, so as to drive process control stream hardware to connect
The gatherer process control data stream of mouth mold block 106 and real time planning data flow, and it is transferred to protocol adaptation drive module 107.
The data resolution module 108 being connected with protocol adaptation drive module 107, for obtaining protocol adaptation drive module
The process control data streams and real time planning data flow of the target industrial process control system of 107 transmission, and resolving
Control data stream and real time planning data flow.
Further, also include see also Fig. 6, distributed process data flow acquisition device 101：
The configuration being connected with industrial stokehold process safety detection platform 102 and communication interface modules 109, for obtaining
The configuration file that industrial stokehold process safety detection platform 102 is sent, protocol adaptation drive module 107, data are parsed
Module 108 and process control stream hardware interface module 106 are numbered, and protocol adaptation drive module 107, data are parsed
The interface of module 108 and process control stream hardware interface module 106 is configured, and by safety monitoring point and can survey parameter change
The type and quantity of amount, acquisition protocols are configured.
Further, also include see also Fig. 6, distributed process data flow acquisition device：
The response linkage expansion connection module 110 being connected with alarm module, for when alarm module 105 alerts, establishing
Response with the safety protection equipment in system links, and target industrial process control system is in off working state.
It should be noted that each portion in the detecting system of industrial stokehold technological process safety disclosed in the present embodiment
The specific work process of part refers to the embodiment of corresponding diagram 1, and here is omitted.
Another embodiment of the present invention discloses a kind of detecting system of industrial stokehold technological process safety, referring to figure
7, including distributed process data flow acquisition device 101 and process control process safety detection platform 102, wherein, process control
The process data stream extraction module 103 of process safety detection platform 102, detection module 104 and alarm module 105, process control work
Skill safety detection platform 102 also includes：
User UI111, the user program of the target industrial process control system for receiving user's input.
The process typing parsing module 112 being connected with user UI111, the acquisition target work received for user UI11
The user program of industry Process Control System, and according to the classification of control law technique, the main flow for dividing user program is multiple
Technique sub-process, respectively to multiple technique sub-processes carry out analysis on configuration template matches, extract in multiple technique sub-processes can
Survey parametric variable.
Specifically, user UI111 obtains the configuration info of target industrial process control system, configuration info includes hardware
Configuration info and control law configuration info, hardware configuration information include：Controller type, address information, desired signal mould
The information such as block, functional module, Communications Processor Module model, quantity and configuration parameter；Control law configuration info includes：Programming
The information such as language, program structure, functional block, pa-rameter symbols, variable and user program.
User UI111 is further connected with configuration and communication interface modules 109, for above-mentioned hardware configuration information to be given birth to
Configuration and the module of communication interface 109 are sent into configuration file, configuration and communication interface modules are according to the configuration file received
The module in distributed process data flow acquisition device is configured again.
The generation mapping block 113 being connected with process typing parsing module 112, for determining to survey in parametric variable
Safety monitoring point, establish safety monitoring point and the corresponding relation of technique sub-process.
Further, also include in said process technique typing parsing module 112：
User program analyzes masterplate, for analyzing program corresponding to each control process technique sub-process, and will
The feature of each control process technique sub-process obtained after analysis, the feature progress defined with user program analysis masterplate
Match somebody with somebody；
If the match is successful, features described above is defined as measurable parametric variable by user program analysis masterplate.
Further, see also Fig. 7, specifically included in above-mentioned detection module 104：
Detecting and alarm 114 and mapping table memory module 115；Wherein：
Mapping table memory module 115, for storing the corresponding relation of safety monitoring point and technique sub-process.
Detecting and alarm 114 is connected with mapping table memory module 115, for be segmented compare safety monitoring point walk power curve and
Whether Real-time security monitoring point walks power curve, and accumulated error is calculated, and judge accumulated error in default margin of safety
In the range of, determine whether safety monitoring point is in a safe condition；Again according to the safety monitoring point stored in mapping table memory module
With the corresponding relation of technique sub-process, the safe condition situation of technique sub-process corresponding with safety monitoring point is calculated.
Further, also include see also Fig. 7, above-mentioned detection module 104：
The historical data stream feature experience collection memory module 116 being connected with detecting and alarm 114, for obtaining and storing safety
The feature of the variation tendency for walking power curve of monitoring point.
Further, above-mentioned detection module 104 is connected with user UI111, for sending safety monitoring point to user UI111
The power curve of walking for walking power curve and Real-time security monitoring point, power curve and in real time is walked in user's UI111 output safeties monitoring point
Safety monitoring point walks power curve, and user more intuitively will walk power curve to understand current system according to what is shown on user UI
State.
Further, above-mentioned alarm module 105 includes：
First alarm module, for generating and being sent a warning message to the user UI of detecting system, user's UI display alarms
It will be handled accordingly for current alarm after information.
In addition, it is necessary to explanation, the user UI111 of detecting system, process typing parsing module 112, generation are reflected
Penetrate module 113, process data stream extraction module 103, alarm module 105 and data resolution module 108 and data stream buffer
Passage is connected, and the data stream buffer passage is used for user UI111, process typing parsing module 112, generation mapping block
113rd, the interaction data between process data stream extraction module 103, alarm module 105 and data resolution module 108, enters line number
According to distribution, data dump, data buffer storage.
In summary, the detecting system of industrial stokehold technological process safety disclosed by the invention, passes through process first
The process typing parsing module 112 in process safety detection platform 102 is controlled, is obtained from user UI111 and parses mesh
The user program in industrial process control system is marked, surveys parametric variable in extraction process sub-process.
Mapping block 113 is generated, determination safety monitoring point in parametric variable is surveyed according to above-mentioned, establishes safety monitoring point
With the corresponding relation of technique sub-process, and the corresponding relation of the safety monitoring point of above-mentioned foundation and technique sub-process is sent to inspection
The mapping table memory module 114 surveyed in module 104.
Protocol adaptation drive module 107 in distributed process data flow acquisition device 101, pass through process control stream hardware
Interface module 106, to obtain the process control data streams of target industrial process control system and be transferred to data resolution module
108, data resolution module 108 is analyzed the process control data streams.
Information of the process data stream extraction module 103 according to the safety monitoring point determined in generation mapping block 113, extraction
In process control data streams after analysis, the state value and timestamp of safety monitoring point, and send to detection module 104.
State value and timestamp of the detecting and alarm 114 according to safety monitoring point in detection module 104, draw safety monitoring
Point walks power curve, and is segmented the feature of the variation tendency for walking power curve of description safety monitoring point, and segmentation is described into safety prison
The feature of the variation tendency for walking power curve of measuring point is sent to historical data stream feature experience collection memory module and deposited after collecting
Storage 116.
Operated according to identical, protocol adaptation drive module 107 obtains the real-time process of target industrial process control system
Control data stream, data resolution module 108 are analyzed the real time planning data flow, journey data flow extraction module 103
According to the information of safety monitoring point determined in generation mapping block 113, in the real time planning data flow after extraction and analysis
, the state value and timestamp of Real-time security monitoring point, and send to detection module 104.
State value and timestamp of the detecting and alarm 114 according to Real-time security monitoring point in detection module 104, draw real-time
Safety monitoring point walks power curve, the feature of the variation tendency for walking power curve of segmentation description Real-time security monitoring point.
Detecting and alarm 114 extracts walking for safety monitoring point from above-mentioned historical data stream feature experience collection memory module 116
The feature of the variation tendency of power curve, and it is segmented the feature and peace in real time of the variation tendency for walking power curve for comparing safety monitoring point
The feature of the variation tendency for walking power curve of full monitoring point, accumulated error is calculated according to the result compared, and judges to accumulate
Error determines whether safety monitoring point is in a safe condition whether in the range of default margin of safety.
Again according to the safety monitoring point and the corresponding relation of technique sub-process stored in mapping table memory module 115, calculate
Obtain the safe condition situation of technique sub-process corresponding with safety monitoring point.Judge whether target industrial process control system is located
In safe condition, if now judging that obtaining target industrial process control system is not on safe condition, detection module 104
Notice alarm module 105 is alerted.
Realize in this way and its specific control law progress content depth is combined to process control interaction data stream
Degree detection.
It should be noted that each portion in the detecting system of industrial stokehold technological process safety disclosed in the present embodiment
The specific work process of part refers to the embodiment of corresponding diagram 4, and here is omitted.
The detection method and system of industrial stokehold technological process provided by the present invention safety have been carried out in detail above
It is thin to introduce.Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help the method and its core concept for understanding the present invention.It should be pointed out that the ordinary skill for the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification, these improvement can also be carried out to the present invention
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (19)
- A kind of 1. detection method of industrial stokehold technological process safety, it is characterised in that including：Obtain and parse the process control data streams of target industrial process control system；Extract the state value and timestamp of the safety monitoring point in the process control data streams after the parsing；According to the state value and timestamp of the safety monitoring point, generation safety monitoring point walks power curve；Obtain and parse the real time planning data flow of the target industrial process control system；Extract the state value and timestamp of the safety monitoring point in the real time planning data flow after the parsing；According to the state value and timestamp of the safety monitoring point in the real time planning data flow, Real-time security monitoring is generated Point walks power curve；Compare the safety monitoring point walk power curve and Real-time security monitoring point walk power curve, judge target industrial process control Whether system processed is in a safe condition, if it is not, then alarm；Wherein, the process control data streams are mutual message；User program of the safety monitoring point from according to target industrial process control system in control law configuration info is true Fixed technique sub-process surveys parametric variable selection.
- 2. the detection method of industrial stokehold technological process safety as claimed in claim 1, it is characterised in that the comparison The safety monitoring point walk power curve and Real-time security monitoring point walk power curve, judge that target industrial process control system is It is no in a safe condition, including：Segmentation compare the safety monitoring point walk power curve and Real-time security monitoring point walk power curve, accumulation is calculated and misses Difference；The accumulated error is judged whether in the range of default margin of safety, determines the safety monitoring point whether in safety State；According to default safety monitoring point and the corresponding relation of technique sub-process, work corresponding with the safety monitoring point is calculated The safe condition situation of skill sub-process.
- 3. the detection method of industrial stokehold technological process safety as claimed in claim 2, it is characterised in that the safety The determination mode of the corresponding relation of monitoring point and technique sub-process includes：Obtain the user program of target industrial process control system；According to the classification of control law technique, the main flow for dividing the user program is multiple technique sub-processes；Respectively to the multiple technique sub-process carry out analysis on configuration template matches, extract in the multiple technique sub-process can Survey parametric variable；It is determined that the safety monitoring point surveyed in parametric variable, establishes the safety monitoring point and the corresponding of technique sub-process is closed System.
- 4. the detection method of industrial stokehold technological process safety as claimed in claim 3, it is characterised in that the difference Analysis on configuration template matches are carried out to the multiple technique sub-process, extracts in the multiple technique sub-process and surveys parameter change Amount includes：Masterplate is analyzed by user program, program corresponding to each technique sub-process is analyzed；By the feature of each technique sub-process obtained after analysis, the feature defined with user program analysis masterplate is entered Row matching；If the match is successful, the feature is defined as measurable parametric variable.
- 5. the detection method of industrial stokehold technological process safety as claimed in claim 2, it is characterised in that the segmentation Compare the safety monitoring point walk power curve and Real-time security monitoring point walk power curve, accumulated error is calculated and specifically wraps Include：Segmentation describes the feature of the variation tendency for walking power curve of the safety monitoring point；Segmentation describes the feature of the variation tendency for walking power curve of the Real-time security monitoring point；Segmentation compares the feature for the variation tendency for walking power curve and the walking for the Real-time security monitoring point of the safety monitoring point The feature of the variation tendency of power curve；Accumulated error is calculated according to the result compared.
- 6. the detection method of industrial stokehold technological process safety as claimed in claim 5, it is characterised in that the segmentation After the feature for describing the variation tendency for walking power curve of the safety monitoring point, further comprise：Historical data stream feature experience collection is established, the feature of the variation tendency for walking power curve of the safety monitoring point collects And it is sent into the historical data stream feature experience collection.
- 7. the detection method of industrial stokehold technological process safety as claimed in claim 6, it is characterised in that the judgement After whether target industrial process control system is in a safe condition, further comprise：If it is determined that target industrial process control system is in a safe condition, then the Real-time security monitoring point is walked into power curve The feature of variation tendency is sent into the historical data stream feature experience collection.
- 8. the detection method of industrial stokehold technological process safety as claimed in claim 1, it is characterised in that the alarm Including：Generate simultaneously outputting alarm information.
- A kind of 9. detecting system of industrial stokehold technological process safety, it is characterised in that including：Distributed process data flow acquisition device and process control process safety detection platform；Wherein：The distributed process data flow acquisition device, for obtaining and parsing the process control of target industrial process control system Data flow and real time planning data flow；The process control process safety detection platform includes：The process data stream extraction module being connected with the distributed process data flow acquisition device, for extracting the solution respectively The state value of the safety monitoring point in the real time planning data flow after process control data streams and the parsing after analysis and Timestamp；The detection module being connected with the process data stream extraction module, for according to the process control data streams after the parsing In safety monitoring point state value and timestamp, generation safety monitoring point walks power curve；And according to the real-time process control The state value and timestamp of safety monitoring point in data flow processed, generation Real-time security monitoring point walk power curve；Described in comparison Safety monitoring point walk power curve and Real-time security monitoring point walk power curve, judge whether target industrial process control system is located In safe condition；The alarm module being connected with the detection module, judge that target industrial process control system does not have for the detection module It is in a safe condition, alarm；Wherein, the process control data streams are mutual message；User program of the safety monitoring point from according to target industrial process control system in control law configuration info is true Fixed technique sub-process surveys parametric variable selection.
- 10. the detecting system of industrial stokehold technological process safety according to claim 9, it is characterised in that described Distributed process data flow acquisition device includes：Process control stream hardware interface module, for transmitting what is obtained from each interface in target industrial process control system Process control data streams and real time planning data flow；The protocol adaptation drive module being connected with the process control stream hardware interface module, for receiving and transmitting the process The process control data streams and real time planning data flow of controlling stream hardware interface module transmission；The data resolution module being connected with the protocol adaptation drive module, for obtaining the mesh of protocol adaptation drive module transmission The process control data streams and real time planning data flow of industrial process control system are marked, and parse the process control data Stream and real time planning data flow.
- 11. the detecting system of industrial stokehold technological process safety according to claim 9, it is characterised in that described Detection module includes：Detecting and alarm and mapping table memory module；Wherein：The mapping table memory module, for storing the corresponding relation of safety monitoring point and technique sub-process；The detecting and alarm is connected with the mapping table memory module, and power curve is walked for the segmentation comparison safety monitoring point Power curve is walked with Real-time security monitoring point, accumulated error is calculated, and judge the accumulated error whether in default peace In the range of full nargin, determine whether the safety monitoring point is in a safe condition；Again according to being deposited in the mapping table memory module The safety monitoring point of storage and the corresponding relation of technique sub-process, technique sub-process corresponding with the safety monitoring point is calculated Safe condition situation.
- 12. the detecting system of industrial stokehold technological process safety according to claim 9, it is characterised in that described Process control process safety detection platform also includes：User UI, the user program of the target industrial process control system for receiving user's input；The process typing parsing module being connected with the user UI, the acquisition target work received for user UI The user program of industry Process Control System, and according to the classification of control law technique, the main flow for dividing the user program is Multiple technique sub-processes, analysis on configuration template matches are carried out to the multiple technique sub-process respectively, extract the multiple technique Parametric variable is surveyed in sub-process；The generation mapping block being connected with the process typing parsing module, for determining described to survey in parametric variable Safety monitoring point, establish the safety monitoring point and the corresponding relation of technique sub-process.
- 13. the detecting system of industrial stokehold technological process safety according to claim 12, it is characterised in that described Process typing parsing module includes：User program analyzes masterplate, for analyzing program corresponding to each technique sub-process, and will be obtained after analysis The feature of each technique sub-process arrived, the feature defined with user program analysis masterplate are matched；If the match is successful, the feature is defined as measurable parametric variable by the user program analysis masterplate.
- 14. the detecting system of industrial stokehold technological process safety according to claim 11, it is characterised in that described Detecting and alarm segmentation compare the safety monitoring point walk power curve and Real-time security monitoring point walk power curve, be calculated tired During product error, it is specifically used for：Segmentation describes the feature of the variation tendency for walking power curve of the safety monitoring point；Segmentation describes the feature of the variation tendency for walking power curve of the Real-time security monitoring point；Segmentation compares the feature for the variation tendency for walking power curve and the walking for the Real-time security monitoring point of the safety monitoring point The feature of the variation tendency of power curve；Accumulated error is calculated according to the result compared.
- 15. the detecting system of industrial stokehold technological process safety according to claim 14, it is characterised in that described Detection module further comprises：The historical data stream feature experience collection memory module being connected with the detecting and alarm, for obtaining and storing the safety prison The feature of the variation tendency for walking power curve of measuring point.
- 16. the detecting system of industrial stokehold technological process safety according to claim 9, it is characterised in that described Alarm module includes：First alarm module, for generating and being sent a warning message to the user UI of the detecting system.
- 17. the detecting system of industrial stokehold technological process safety according to claim 9, it is characterised in that described Detection module is connected with the user UI of the detecting system, for sending the safety monitoring to the user UI of the detecting system Point walk power curve and Real-time security monitoring point walk power curve；What the user UI of the detecting system was used to exporting the safety monitoring point walks power curve and Real-time security monitoring point Walk power curve.
- 18. the detecting system of industrial stokehold technological process safety according to claim 10, it is characterised in that described Distributed process data flow acquisition device also includes：The configuration being connected with the industrial stokehold process safety detection platform and communication interface modules, for obtaining the work The configuration file that industry process control process safety detection platform is sent, to the protocol adaptation drive module, data resolution module And process control stream hardware interface module is numbered, and to the protocol adaptation drive module, data resolution module and The interface of process control stream hardware interface module is configured.
- 19. the detecting system of industrial stokehold technological process safety according to claim 9, it is characterised in that described Distributed process data flow acquisition device further comprises：The response linkage expansion connection module being connected with the alarm module, for when the alarm module alert, establish and The response linkage of safety protection equipment in system, makes target industrial process control system be in off working state.
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