CN106407579B - Scenario-Based Design in a kind of power monitoring analogue system - Google Patents
Scenario-Based Design in a kind of power monitoring analogue system Download PDFInfo
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Abstract
The invention discloses Scenario-Based Designs in a kind of power monitoring analogue system, it include: the scene configuration file structure design based on data point object, carry out the various data occurred in organizing scenario using the form of configuration file, variable information used in the essential information, scene step and scene step of scene is contained in each configuration file, scene configuration file structure carries out tissue using JSON data format；Backstage Scene realization mode based on multithreading, including three kinds of threads, main thread 1, timing detection sub thread 1, it is N number of (0≤N is depending on the scene number being performed simultaneously) that scene executes sub thread.The method that the present invention introduces Scenario Design in power monitoring analogue system, scene, which is executed, greatly optimizes the process of Failure Simulation and the concurrency of accident scene using the mode of multi-threaded parallel, improves simulation efficiency.
Description
Technical field
Electric power monitoring system (abbreviation PSCADA:Power Supervisory Control and Data
It Acquisition is) for monitoring and controlling power generation and supply process, the business system based on computer and network technology
System and smart machine, and based on the communication that supports and data network etc., it is that the numerous power supplies of building, distribution automation are answered
With the basis of system.The present invention relates to urban track traffic electric power monitoring system, power monitoring analogue system, power monitoring trainings
The fields such as system and associate power scheduling training system.
Background technique
With world economy, the fast development of population, people have convenient, fast, comfortable communications and transportation more next
Higher requirement, while land, water and air develop rapidly, urban track traffic has also obtained development at full speed, especially with ground
Iron, urban rail, the urban track traffic that light rail is representative, while rapidly developing, highly safe reliable, economical rationality is applicable in,
The convenient power supply of scheduling operation is safety of urban transit, normal, Effective Operation essential condition and guarantee.Traction supplies
Electric system is the important component of city rail power supply system, and the normal operation of DC traction system provides for electric locomotive
Electric energy is the final goal of entire power supply system.Vehicle is run under the action of DC traction system along rail and contact net,
Realize communication function.The special mission of tractive power supply system requires its operational safety that must be protected, to tractive power supply system
It carries out remote condition monitoring and conventional control is very important one of safeguard.
With the fast development of computer technology, mechanics of communication and artificial intelligence technology, electric power monitoring system is in electric power row
Industry and other relevant industries are more and more widely used, urban track traffic power monitoring Training Simulation System it is important
Property seem more important, domestic major producer all starts to put forth effort on the research and development of such analogue system, therefore power monitoring emulation training
The function of exercising system experienced from single to synthesis, and from simple to complicated development process, effect is also changed by illustrative
Directiveness, and become a staple product of power supervision automation system and the useful tool of control centre training operator.
Urban track traffic electric power monitoring system becomes the urban transportation main transformer station, traction substation, decompression
Electricity etc. all fronts power supply unit data monitoring and control, to ensure that traction power supply and all fronts electric power transformation and distribution system are safe and reliable
And economical operation, mainly realize remote signalling, telemetering, remote control, remote pulse function.It specifically includes and realizes to the control of various equipment, letter
The functions such as breath acquisition, Data Analysis Services, accident alarming, picture have access to, data query.
Since the complexity and system equipment of urban track traffic electric power monitoring system are expensive, and by live ring
The limitation such as application, the security performance in border tends not to the study and training that directly carry out system at the scene, it is therefore necessary to design
Urban track traffic electric analog training system, main purpose is exactly to break the various limitations of work-place study, using digitlization
Simulation training system, can not only be greatly decreased the cost of operator, improve the safety of scene operation, and be in advance
Employee gives training, and greatly improves the effect and progress of training, enhances social benefit.
Urban track traffic power monitoring simulation training system is the analogue simulation to truly ferroelectricity power operating condition,
The purpose of design is to realize a kind of training for capableing of ferroelectricity mediator person manipulation power equipment and handling failure situation over the ground.It should
One major function of system be to analogue simulation track traffic electric power monitoring system frequently encounter in practice it is various
Fault scenes (such as contact net short circuit, the short circuit of exchange side, main institute's failure, a frame protection action scene etc.), operation scenario
(such as section shut off power in emergency, two-side feeding, big two-side feeding, single side feeding scene).
Summary of the invention
Aiming at the problems existing in the prior art, the importance based on various scenes in analogue system, the present invention propose
A kind of Scenario Design and implementation with scene general character.
The technical solution of the present invention is as follows: Scenario-Based Design in a kind of power monitoring analogue system, comprising:
Scene configuration file structure design based on data point object；
Designing good Method of Data Organization can execute and provide more preferably for the configuration of scene process, the backstage of scene process
Support, and basic interface of the data organization as scenes function, the foreground configuration and backstage for being connected to scene execute two
A process, the two are interacted by the configuration file of this organizational form, and the design rationality of data organization its logic
Also enhance the scalability of scenes function.
Carry out the various data occurred in organizing scenario using the form of configuration file, contains scene in each configuration file
Essential information, variable information used in scene step and scene step, scene configuration file structure uses JSON data
Format carries out tissue.
Data point object, including remote signalling point, telemetry station, remote controlled point and remote pulse point, each pair of point is as including again multiple categories
Property, the corresponding value of each attribute.
Scene step, each scene step include alias (being used for the unique identification scene step), id (data point
The ObjectId of object), attribute (value type attribute), value and event composition of matter, wrap in event
Containing delay (the millisecond time for indicating to be delayed before executing the step), condition (this is executed for indicating
The precondition of step).
Backstage Scene realization mode based on multithreading；
There are three types of the executive mode of triggering scene has altogether:
Timing executes: it is required that scene configuration is to enable, after timing arrives, scene is immediately performed, if scene is cyclical field
Scape then executes scene step in background loop always；
Condition executes: it is required that scene configuration is to enable, background loop detects the conditional expression of scene, in each condition table
A scene is executed when becoming true from false up to the result of formula.
It is immediately performed: not requiring scene configuration to enable, the emulation interface HMI is triggered after scene is immediately performed directly by scene
It executes primary.
The execution of all scenes is all controlled by beginning, pause, terminates three kinds of states, could execute when only starting state,
After all scenes in commission can be suspended after having executed the step for currently performed when for halted state
The execution step in face, waiting continue to execute after becoming beginning state again, terminate the execution of all scenes when for end state.Base
It include three kinds of threads in the backstage Scene realization mode of multithreading, main thread 1, timing detection sub thread 1, scene executes
Sub thread is N number of (0≤N is depending on the scene number being performed simultaneously).
Main thread is the backstage main thread of scene executive process, is responsible for the parsing and load of document scene, is monitored all
Whether document scene, which needs, is immediately performed, and is responsible for starting timing detection sub thread；
Timing detection sub thread is started by main thread, is detected every 1 second to the scene of timing-type, when timing
Between to starting sub thread execute the timed scenario, while the scene condition expression formula of condition types is detected, if its condition
The value of expression formula from false becomes true and then starts sub thread executing the conditional scene, it should be noted that for cyclical patterns
Condition execute scene, can't condition be true when always circulation execute scene content, but every time condition from false become
It is primary to be executed when true, there is corresponding state to achieve the effect that emulate when physical fault occurs.
Scene executes the specific execution that sub thread is responsible for scene content, by main thread, timing detection sub thread starting, respectively
A scene executes mutually unaffected between sub thread.
Beneficial effects of the present invention:
Method that the present invention introduces Scenario Design in power monitoring analogue system is simplified and is encountered in analogue system
Various failures and operating process, by it is faulty, operate caused by volume of data variation configured by the way of scene,
Reasonable design object-point data structure and its organizational form using configuration file, by using easy intuitive configuration work
Tool significantly reduces the configuration work of simulating scenes process.From the execution angle of scene, scene, which executes, uses multithreading
Parallel form also greatly optimizes the process of Failure Simulation and the concurrency of accident scene, and simulation efficiency can be improved.
Detailed description of the invention
The main thread MainThread flow chart of Fig. 1, the embodiment of the present invention.
The timing of Fig. 2, the embodiment of the present invention detect sub thread OnTimerCheckThread flow chart.
The scene execution sub thread SceneExecThread flow chart of Fig. 3, the embodiment of the present invention.
Specific embodiment
Scene refers to a series of data acquisition system of caused sequence variations when specified conditions, event occur.In city rail
Realize that scenes function mainly includes that structure design, the scene of scene configuration file are matched in road traffic power supervisory control simulation training system
Set and the backstage implementation of scene, this patent highlight the design of the scene configuration file structure based on data point object and
Backstage Scene realization mode based on multithreading, and for scene configuration module, major function is configured using the interface UI,
And document scene is generated by format, therefore do not do too many introduction.
(1) the scene configuration file structure design based on data point object
Designing good Method of Data Organization can execute and provide more preferably for the configuration of scene process, the backstage of scene process
Support, and basic interface of the data organization as scenes function, the foreground configuration and backstage for being connected to scene execute two
A process, the two are interacted by the configuration file of this organizational form, and the design rationality of data organization its logic
Also enhance the scalability of scenes function.
For the structure of design configurations file, following definition is first provided.
Define 1 data point object: data exist generally in the form of object in electric power monitoring system, common data point pair
As including remote signalling point (DoublePoint object), telemetry station (MeasuredValue object), remote controlled point (DoubleCommand
Object) and remote pulse point (IntegratedTotal object), each pair of point is as including again multiple attributes, each attribute corresponding one
A value.Table 1 gives the attribute and value of a remote signalling point by example of DoublePoint object.
1 DoublePoint object example of table
Define 2 point variable Var: each point variable Var includes alias (for the unique identification point variable), id (number
The ObjectId of strong point object), attribute (value type attribute), compareOperation (including ">", "<", "=
=", "！=", " >=", "≤") and value (value type can be the alias of the other point variables defined,
If it is alias, then it represents that take the attribute value of alias point id, i.e. the compareOperation of the alias point and
Value is meaningless).The result of each last operation of point variable logical expression is a Bool type.
Point variable citing:
{"alias":"V1","id":518523517,"attribute":"FieldState","
CompareOperation ": "==", " value ": " 0 " }, i.e., { V1:518523517- > FieldState==0 }, point becomes
Measuring V1 indicates that result is true when the FieldState attribute of data point 518523517 is 0, is otherwise false；
{"alias":"V3","id":527972140,"attribute":"FieldValue","
CompareOperation ": " > ", " value ": " 5 " }, i.e., { V3:527972140- > FieldValue > 5 }, point variable V3 table
Result is true when the FieldValue attribute at registration strong point 527972140 is greater than 5, is otherwise false；
{"alias":"V4","id":527972141,"attribute":"FieldValue","
compareOperation":"！=", " value ": " V3 " }, i.e. { V4:527972141- > FieldValue！=
527972140- > FieldValue }, point variable V4 indicates the FieldValue attribute and 527972140 of data point 527972141
FieldValue attribute it is unequal when result be true, be otherwise false, i.e., V3's ignored for V4
CompareOperation and value.
Define 3 intermediate variable MidVar: each intermediate variable includes that an alias (becomes for the unique identification centre
Amount), expression (it is not parenthesized simply with or expression formula, the connector of expression formula can only be " " or " | | ", expression formula
In the point variable and intermediate variable and connector of defined mistake can only occur), compareOperation (including " "=
=", "！=") and a value (Bool type).The result of each last operation of intermediate variable logical expression is one
Bool type.
Intermediate variable citing:
" alias ": " M1 ", " expression ": " V1&&V2 ", " compareOperation ": "==", "
Value ": true, }, i.e., { M1:V1&&V2==true }, intermediate variable M1 indicates logical expression " V1&&V2==true "
As a result, the value of M1 is true when the value of i.e. V1 and V2 is all true, otherwise M1 is false；
" alias ": " M2 ", " expression ": " M1&&V2 ", " compareOperation ": "==", "
Value ": true, }, i.e., M2:M1 | | and V2==true }, intermediate variable M2 indicates logical expression " M1&&V2==true "
As a result, the value of M2 is true when i.e. M1 or V2 are true, otherwise M2 is false；
Define 4 scene steps: each scene step includes alias (for the unique identification scene step), id (number
The ObjectId of strong point object), attribute (value type attribute), value and event composition of matter, event
In can wrap containing delay (for indicating the millisecond time being delayed before executing the step), condition (for indicating
The precondition for executing the step, is generally configured to an intermediate variable/point variable, when intermediate variable/point variable value
It when being true, indicates that the precondition of the step is satisfied, the value of the point can be set, if delay and condition are simultaneously
In the presence of judging condition again after then first carrying out delay), when being configured with condition also allow to configure condition's
Time conditionCyclePeriod millisecond in detection cycle conditionCycleCount and period (can also be unworthy of
Set), it indicates within conditionCycleCount period every conditionCyclePeriod time check
Condition, if condition is if true, the condition of the step meets the value that the point can be set, if constant testing is less than this
Condition meets, then the step fails.
The citing of scene step:
{"alias":"S2","id":518523516,"attribute":"FieldState","value":"1",
"event":{"condition":"M1","conditionCycleCount":20,"
ConditionCyclePeriod ": 1000, " delay ": 200, } }, step S2 expression will be 20 periods after the 200ms that is delayed
The value of (each period 1000ms) interior cycle detection intermediate variable M1, will if detecting its value for true within the period
518523516 FieldState attribute is set as 1；If constant testing is true, step failure, scene execution less than value
Failure.
Form in the present invention using configuration file carrys out the various data occurred in organizing scenario.It is wrapped in each configuration file
Variable information used in the essential information, scene step and scene step of scene etc. is contained, based on 1-4 is defined, has designed
Scene configuration file structure, file carries out tissue using JSON (JavaScript Object Notation) data format.
1. the essential information of scene:
ScenceName: scene title
ScenceDescription: scene description
Whether sceneEnabled: enabling scene, and true is enabled, and false is deactivated
Whether isCycledScene: being to recycle, true circulation scene, the acyclic scene of false
OnTimeExec: timing execute scene time, be greater than current time be it is effective, otherwise in vain
OnConditionExec: condition executes the conditional expression of scene, can be configured to intermediate variable/point variable, often
The secondary result in conditional expression executes a scene when conjugating true from false automatically.
2. point variable set；
3. intermediate variable set；
4. scene set of steps.
(2) the backstage Scene realization mode based on multithreading
There are three types of the executive mode of triggering scene has altogether:
1) timing executes: it is required that scene configuration is to enable, i.e. sceneEnabled=true, and after timing arrives, immediately
Scene is executed, executes scene step in background loop always if scene is circulation scene；
2) condition executes: it is required that scene configuration is to enable, i.e. sceneEnabled=true, background loop detects scene
Conditional expression executes a scene when the result of each conditional expression becomes true from false.
3) it is immediately performed: not requiring scene configuration to enable, the teacher on foreground emulates the interface HMI triggering scene and is immediately performed
Scene is directly executed into primary (Exactly-once scene is circulation scene) afterwards.
The execution of all scenes is all controlled by teaching state (start, pause, terminate three kinds of states), and only teaching state is
It could be executed when beginning, when teaching state is set as pause, all scenes in commission can currently be held having executed
Suspend subsequent execution step after the step for capable, waits teaching state to become continuing to execute after starting again, when teaching shape
State terminates the execution of all scenes at the end of being set as.
It mainly include three kinds of threads in backstage Scene realization mode based on multithreading, main thread 1, timing detects sub-line
Journey 1, it is N number of (0≤N is depending on the scene number being performed simultaneously) that scene executes sub thread.
Main thread MainThread is the backstage main thread of scene executive process, is responsible for the parsing of document scene and adds
It carries, monitors whether all document scenes need to be immediately performed, and be responsible for starting timing detection sub thread, execution flow chart is as schemed
Shown in 1.
Timing detection sub thread OnTimerCheckThread is started by main thread, every 1 second to timing-type
Scene is detected, and timing executes the timed scenario to starting sub thread, while expressing the scene condition of condition types
Formula is detected, and is started sub thread if the value of its conditional expression becomes true from false and is executed the conditional scene, needs to infuse
Meaning is to execute scene for the condition of cyclical patterns, can't recycle always when condition is true and execute scene content, and
It is to be executed once when each condition becomes true from false, corresponding state occurs to reach when emulation physical fault occurs
Effect.
The execution flow chart of the thread is as shown in Figure 2.
Scene executes the specific execution that sub thread SceneExecThread is responsible for scene content, can be by main thread, timing
Sub thread starting is detected, each scene executes mutually unaffected between sub thread.As shown in figure 3, scene executes sub thread
SceneExecThread flow chart.
Typical case:
As one of the principal functional components in our company's urban track traffic power monitoring Training Simulation System, this patent
The Scenario Design and implementation invented have obtained applying and verifying in systems.The Training Simulation System has become function
PSCADA Simulated training teaching task in more ground such as Nanjing, Shenyang.
Above embodiment is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all
It is that according to the technical idea provided by the invention, any unsubstantiality change done on the basis of technical solutions each falls within this hair
Within bright protection scope.
Claims (5)
1. Scenario-Based Design in a kind of power monitoring analogue system characterized by comprising
Scene configuration file structure design based on data point object, to occur in organizing scenario using the form of configuration file
Various data contain variable used in the essential information, scene step and scene step of scene in each configuration file
Information, scene configuration file structure carry out tissue using JSON data format；
Backstage Scene realization mode based on multithreading, including three kinds of threads, main thread 1, timing detection sub thread 1, field
Scape execution sub thread is N number of, 0≤N；
Main thread is the backstage main thread of scene executive process, is responsible for the parsing and load of document scene, monitors all scenes
Whether file, which needs, is immediately performed, and is responsible for starting timing detection sub thread；
Timing detection sub thread is started by main thread, is detected every 1 second to the scene of timing-type, timing arrives
Starting sub thread executes the timed scenario, while detecting to the scene condition expression formula of condition types, if its condition is expressed
The value of formula from false becomes true and then starts sub thread executing the conditional scene, it should be noted that for the item of cyclical patterns
Part executes scene, can't recycle always when condition is true and execute scene content, but condition becomes from false every time
It is executed once when true, corresponding state occurs to achieve the effect that emulate when physical fault occurs；
Scene executes the specific execution that sub thread is responsible for scene content, by main thread, timing detection sub thread starting, each field
Scape executes mutually unaffected between sub thread.
2. Scenario-Based Design in power monitoring analogue system according to claim 1, it is characterised in that:
The data point object, including remote signalling point, telemetry station, remote controlled point and remote pulse point, each pair of point is as including again multiple categories
Property, the corresponding value of each attribute；
The scene step, each scene step include one and are used for the alias of the unique identification scene step, data point object
ObjectId, value type attribute attribute, value type value and an event composition of matter, in event
It include the millisecond time delay for indicating to be delayed before executing the step, the premise for indicating execution the step
Condition condition.
3. Scenario-Based Design in power monitoring analogue system according to claim 1, it is characterised in that: scene refers to
The data acquisition system of specified conditions, event a series of caused sequence variations when occurring.
4. Scenario-Based Design in power monitoring analogue system according to claim 1, which is characterized in that trigger scene
There are three types of executive mode has altogether:
Timing executes: it is required that scene configuration is to enable, after timing arrives, scene is immediately performed, if scene is circulation scene
Scene step is executed in background loop always；
Condition executes: it is required that scene configuration is to enable, background loop detects the conditional expression of scene, in each conditional expression
Result a scene is executed when becoming true from false；
It is immediately performed: not requiring scene configuration to enable, triggering scene in the emulation interface HMI directly executes scene after being immediately performed
Once.
5. Scenario-Based Design in power monitoring analogue system according to claim 4, it is characterised in that:
The execution of all scenes be all controlled by beginning, pause, terminate three kinds of states, could be executed when only starting state, when for
All scenes in commission can be suspended subsequent after having executed the step for currently performed when halted state
Step is executed, waiting continues to execute after becoming beginning state again, terminates the execution of all scenes when for end state.
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| CN106997510B (en) * | 2017-04-01 | 2020-09-11 | 南京国电南自轨道交通工程有限公司 | Rule-based accident picture and emergency plan pushing method |
| CN109525281A (en) * | 2018-11-01 | 2019-03-26 | 北京全路通信信号研究设计院集团有限公司 | A kind of monitoring method of monitoring system |
| CN110515797A (en) * | 2019-07-31 | 2019-11-29 | 广东浪潮大数据研究有限公司 | A kind of data processing method, device, equipment and computer readable storage medium |
| CN113360280B (en) * | 2021-06-02 | 2023-11-28 | 西安中锐创联科技有限公司 | Simulation curve display method based on multithread operation and dynamic global variable processing |
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