CN103425700A - Data storage, inquiry and updating method for nuclear power plant analog machine - Google Patents

Data storage, inquiry and updating method for nuclear power plant analog machine Download PDF

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Publication number
CN103425700A
CN103425700A CN2012101644401A CN201210164440A CN103425700A CN 103425700 A CN103425700 A CN 103425700A CN 2012101644401 A CN2012101644401 A CN 2012101644401A CN 201210164440 A CN201210164440 A CN 201210164440A CN 103425700 A CN103425700 A CN 103425700A
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data
nuclear power
power plant
data point
plant simulation
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CN2012101644401A
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Chinese (zh)
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张光昱
章旋
曹建亭
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CGN (BEIJING) SIMULATION TECHNOLOGY CO LTD
China General Nuclear Power Corp
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CGN (BEIJING) SIMULATION TECHNOLOGY CO LTD
China General Nuclear Power Corp
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Priority to CN2012101644401A priority Critical patent/CN103425700A/en
Publication of CN103425700A publication Critical patent/CN103425700A/en
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Abstract

The invention discloses a data storage, inquiry and updating method for a nuclear power plant analog machine and a initializing method of the nuclear power plant analog machine. The data storage method is used for storing multiple data points of the nuclear power plant analog machine, and each data point has multiple attributes. The data storage method includes: building a storage structure which comprises a plurality of addresses; building a plurality of hash tables; wherein one data point is correspondingly stored at one address, each hash table uses the same attribute of multiple data points as a key and the corresponding multiple addresses as the value. By the data storage method, categorized storage based on attributes of data points and using the hash tables is achieved, and huge and complex data points become order and clear. In addition, a user can flexibly modify, increase and delete data points and attributes thereof according analog status, so that the storage method is flexible and suitable for requirements of the analog machine.

Description

A kind of data storage, inquiry and update method of Nuclear Power Plant Simulation machine
Technical field
The present invention relates to data storage, inquiry and update method, relate in particular to a kind of data storage, inquiry and update method that is applied in the Nuclear Power Plant Simulation machine.
Background technology
Full scope simulator of nuclear power station (being called for short the Nuclear Power Plant Simulation machine) is the system that in the simulation nuclear power station, the operator carries out power plant operation.Have a lot of data in the Nuclear Power Plant Simulation machine, these data parts are in service the produced real physical in power station that analog machine is simulated, for example temperature and pressure of a return medium of nuclear power station; Some are also arranged is in order to meet the simulation calculation demand, the intermediate variable created in simulator system.These data can be referred to as to data point herein, usually in the full scope simulator of nuclear power station system, often have several ten thousand data points, quantity is quite huge.Full scope simulator of nuclear power station is very high for the requirement of real-time in addition, so the informational needs of data point can upgrade fast.To have data volume large for data in full scope simulator of nuclear power station in sum, the characteristics such as real-time.Therefore also be required to meet the specific function of some analog machines, good data storage management scheme is one of key point that can full scope simulator of nuclear power station domestic autonomy-oriented simultaneously.
Existing method normally adopts commercial real-time data base; but commercial real-time data base is often owing to being subject to patent protection; source code is not open; be difficult to develop some proprietary features of the demand that adapts to full scope simulator of nuclear power station, such as snapshot, reload the functions such as snapshot data, playback.The business data library facility is too lengthy and tedious simultaneously, is difficult to guarantee real-time.Therefore need to provide a kind of light and handy convenience and open strong data storage scheme to solve the demand of full scope simulator of nuclear power station for the data definition storage administration.
Summary of the invention
The technical problem to be solved in the present invention is the defect not high for dirigibility in prior art, and a kind of date storage method, inquiry and update method of Nuclear Power Plant Simulation machine is provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of date storage method of Nuclear Power Plant Simulation machine is provided, and for storing a plurality of data points of Nuclear Power Plant Simulation machine, each data point has a plurality of attributes; Described date storage method comprises step:
S120, establishment storage organization body; Wherein, described storage organization body comprises a plurality of addresses, described data point of an address corresponding stored; And
S130, create a plurality of Hash tables; Wherein, it is key that Hash table be take respectively the same attribute of described a plurality of data points, and corresponding respectively to take described a plurality of address be value.
In the date storage method of the Nuclear Power Plant Simulation machine of the foundation embodiment of the present invention, described date storage method further comprised step before step S200:
The original document of S110, the storage of establishment data, with the described attribute of definition in described original document; Wherein, described step S110 further comprises step:
S111, in described original document the definition described data point type;
S112, further define one or more characteristics of described data point; And
S113, respectively to described characteristic assignment so that described characteristic tool characteristic value respectively.
In the date storage method of the Nuclear Power Plant Simulation machine of the foundation embodiment of the present invention, described step S130 further comprises from described original document and reads described attribute.
In the date storage method of the Nuclear Power Plant Simulation machine of the foundation embodiment of the present invention, in described step S120, described storage organization body comprises a plurality of continuous addresses, described data point of an address corresponding stored.
In the date storage method of the Nuclear Power Plant Simulation machine of the foundation embodiment of the present invention, the type of described data point is physical quantity or the equipment of simulation.
In the date storage method of the Nuclear Power Plant Simulation machine of the foundation embodiment of the present invention, the text that described original document is the xml form.
The present invention also provides a kind of data enquire method of Nuclear Power Plant Simulation machine, is stored in the data point of Nuclear Power Plant Simulation machine for inquiring about the date storage method that adopts described Nuclear Power Plant Simulation machine, and each described data point has a plurality of attributes; Described data enquire method comprises step:
S210, reception query statement; And
S220, the attribute of appointment in described query statement of usining obtain one or more addresses corresponding to attribute of described appointment in Hash table as index, and take described one or more address inquire about described data point as pointer in the storage organization body.
In the data enquire method of the Nuclear Power Plant Simulation machine of the foundation embodiment of the present invention, in described step S220, using a plurality of attributes of the described data point of appointment in described query statement as index, and based on described a plurality of attributes, corresponding a plurality of Hash tables are inquired about described data point successively.
The present invention also provides a kind of data store organisation of Nuclear Power Plant Simulation machine interior data-updating method, comprises step:
The data of S310, storage model configuration body; Wherein, use the date storage method of the described Nuclear Power Plant Simulation machine of above-mentioned any one to store a plurality of data points in the Nuclear Power Plant Simulation machine, each described data point has a plurality of attributes, the particular state of the data model that the corresponding analog machine of the data point of described storage is simulated;
The data of S320, renewal model configuration body;
Wherein, based on predetermined simulation demand, the data point of using the data enquire method of above-mentioned Nuclear Power Plant Simulation machine to inquire about the model configuration body of storing in described step S310; And
Described data point and the attribute thereof of inquiry are loaded in described model configuration body to upgrade the data of described model configuration body.
The beneficial effect that the present invention produces is: according in the date storage method of Nuclear Power Plant Simulation machine of the present invention, the attribute of having realized based on data point adopts the Hash table storage of classify, makes huge numerous and diverse data point become orderly and clear; And the user can revise neatly according to emulation mode, increase and deleted data points and attribute thereof, so storage means is more flexible, adapt to the demand of analog machine.
Data enquire method according to Nuclear Power Plant Simulation machine of the present invention can be based on emulation mode, select neatly needed attribute as search index, this data point is found in Hash table inquiry based on corresponding, because the corresponding Hash table of a kind of attribute, so inquiry velocity is fast and convenient.Simultaneously limited because of querying condition required in the data query of Nuclear Power Plant Simulation machine, therefore setting up limited Hash table just can meet the demand of querying condition.
Adopt the data of above-mentioned date storage method storage model configuration body according to the data-updating method of Nuclear Power Plant Simulation machine of the present invention, and the data enquire method based on above-mentioned obtains the data of having stored upper while once simulating, and adopt the data of this Data Update model configuration body.Need to when each simulation, all not reset the data of once simulating structure like this, only need to directly call the data of having stored and get final product, thereby make the data model in analog machine to reach rapidly preset state, accelerate the simulation process, and simplified processing.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 shows the process flow diagram according to the date storage method of the Nuclear Power Plant Simulation machine of the embodiment of the present invention;
Fig. 2 shows the process flow diagram of step S110 in Fig. 1;
Fig. 3 shows the schematic diagram according to the storage organization body of the embodiment of the present invention;
Fig. 4 shows the schematic diagram according to the Hash table of the embodiment of the present invention;
Fig. 5 shows the schematic diagram based on Hash table data query point according to the embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Data point in the Nuclear Power Plant Simulation machine comprises two kinds of main types, and a kind of is the physical quantity that needs simulation, for example flow of return medium, pressure, temperature etc.; Another kind is the equipment that needs simulation in analog machine, such as valve etc.Wherein, physical quantity has parameter value, such as temperature, comprises initial temperature, temperature range etc.; And equipment has a plurality of technical parameters, such as valve, comprise valve types, specification, Applicable temperature and Applicable media etc.As the data point be applied in the Nuclear Power Plant Simulation machine, also there is its distinctive feature, for example, full scope simulator of nuclear power station can additions and deletions data point in operational process temporarily, and therefore, in the initial procedure of Nuclear Power Plant Simulation machine, the quantity of data point is fixed.
Fig. 1 shows the process flow diagram according to the date storage method of the Nuclear Power Plant Simulation machine of the embodiment of the present invention, below in conjunction with Fig. 1 and by step, describes this date storage method.Wherein, a plurality of data points of this date storage method for storing the Nuclear Power Plant Simulation machine, each data point has a plurality of attributes, and this attribute comprises the parameter value of above-mentioned physical quantity and the technical parameter of equipment etc.
S110, for meeting the functional requirement (referred to as demand) of analog machine, create the original document of data storage.In the simulation process of Nuclear Power Plant Simulation machine, need to be calculated physical quantity, therefore at first need the physical quantity to being calculated to set initial parameter; In addition, for each equipment, there are a plurality of technical parameters, need the technical parameter of the equipment that takes into full account in simulation process, could select applicable equipment to carry out correct simulation.Original document is text file format.Preferably, the text that text is the xml form.Certainly, it will be understood by those of skill in the art that the text that can also select other type, such as csv form etc.
Fig. 2 shows the process flow diagram of step S110, below will describe by step each sub-step of step S110.
S111, in original document the definition data point type.For example, if data point is physical quantity, the type of this physical quantity of definable is temperature; If data point is equipment, for example defining the wherein type of this equipment is valve.
S112, further define one or more characteristics of data point.Also, to be exemplified as example in S111, if the type definition of data point is temperature, for example its characteristic of definable comprises initial temperature and temperature range; If the type of data point is valve, for example its characteristic of definable comprises valve types, specification, Applicable temperature and Applicable media.The concrete applicable simulation requirement definition of the characteristic of data point, for example, according to simulation demand selectivity characteristic quantity and/or characteristic kind.
S113, respectively to the characteristic assignment so that characteristic has respectively characteristic value.The kind and the quantity that have only defined characteristic are often still inadequate, in actual simulation, must carry out assignment to characteristic, could in simulation, make characteristic have real significance.Still, to be exemplified as example in S112, if the type definition of data point is temperature, characteristic comprises initial temperature and temperature range, and can for example define initial temperature is 50 ℃, and temperature range is 35~60 ℃; If the type of data point is valve, characteristic comprises the valve Applicable media, and the definable working medium is water.
As can be seen from the above, data point and characteristic value thereof (or being referred to as initial characteristic values) be will store in this original document, the parameter of above-mentioned physical quantity and the technical parameter of equipment for example comprised.Because original document is text, therefore original document has extensibility, (according to different simulation demands) Update Table and increase or delete data in text file as required, these data comprise data point and attribute thereof, and wherein attribute particularly comprises type, characteristic and the characteristic value of data point.
In addition, it will be understood by those of skill in the art that example in step S110 only uses for examplely, is not limitation of the present invention.Those skilled in the art can set up applicable original document according to the simulation demand according to instruction of the present invention.
S120, establishment storage organization body; Wherein, the storage organization body can be for example memory block, comprises a plurality of addresses, data point of an address corresponding stored.Preferably, the storage organization body comprises a plurality of continuous addresses, described data point of an address corresponding stored.Fig. 3 shows the schematic diagram according to the storage organization body of the embodiment of the present invention, as shown in the figure, wherein the storage organization body comprises a plurality of continuous addresses, be address 1, address 2 ..., address i ..., address n, data point of an address corresponding stored (correspondence is shown as variable in the drawings), for example, in address 1, storage data point 1(is variable 1), in address 2, storage data point 2(is variable 2), by that analogy, in the n of address, storage data point n(is variable n).
S130, create a plurality of Hash tables; Wherein, it is key (Key) that Hash table be take respectively the same attribute of a plurality of data points, correspondingly respectively take the address of a plurality of data points in the storage organization body as value (Value).Wherein, if carried out step S110, step S130 further comprises the original document in read step S110, and using the one or more attributes as above-mentioned data point in the type of data point, characteristic and characteristic value.For example, the schematic diagram of Hash table has been shown in Fig. 4, wherein, first Hash table be take respectively the roll-call attribute of a plurality of data points and is set up as key, and second Hash table be take respectively the ID attribute of a plurality of data points and set up as key.Certainly, the quantity of Hash table is not limited to two, and for example, the temperature property of a plurality of data points of can also take is set up another Hash table as key, and the foundation of other Hash table by that analogy.The quantity of the Hash table of setting up and the requirement of real-time of analog machine, the data query quantity in different querying condition are correlated with.
As can be seen from the above, in this date storage method, created and take a plurality of addressed memory pieces as basic data point storage space (being the storage organization body) and take Hash table as basic data point search index, therefore, realized the classification storage based on attribute in the data storage, and in practical operation, can adjust neatly storage class and memory space for the requirement of data query according to analog machine, thereby be conducive to carry out fast query in a large amount of and numerous and diverse data point, meet the requirement for real-time of analog machine.
According to the data enquire method of the Nuclear Power Plant Simulation machine of the embodiment of the present invention for inquiring about the data point that the Nuclear Power Plant Simulation machine is stored, wherein adopt the date storage method of above-mentioned Nuclear Power Plant Simulation machine to store these data points, similarly, each data point has a plurality of attributes.Below will this data enquire method be described by step.
S210, reception query statement.The Nuclear Power Plant Simulation machine, in simulation process of execution, will preset simulation demand corresponding to this simulation process, and correspondingly, data point and attribute thereof are used for describing or limiting this simulation demand, i.e. the corresponding one group of data point of a kind of simulation demand and attribute thereof.Therefore, will set according to the simulation demand required data point and attribute thereof in practical operation in query statement.
S220, using the attribute of appointment in query statement as index data query point in Hash table.Wherein, can adopt one or more attribute to be inquired about as index, for example using the roll-call of data point as index, the Hash table of the key by name of the point based on data point carrys out the data query point.If the ID of data point of take is index, based on take the Hash table that ID is key, carry out the data query point.Particularly, as shown in Figure 5, Fig. 5 shows the schematic diagram based on Hash table data query point according to the embodiment of the present invention, based on the roll-call attribute, be wherein that index is inquired about, corresponding Hash table is with the point of data point key by name, be that the variable shown in Fig. 5 calls the roll 1, variable is called the roll 2 ..., variable roll-call n.By these keys (Key), obtain the value one to one (Value) that these keys have in Hash table, this value is respectively the address of a plurality of data points in the storage organization body, be address 1 in Fig. 3, address 2 ..., address 3.Finally, the address above mentioned of usining is respectively inquired about a plurality of data points in the storage organization body as pointer, for example 1 pointer of the variable in Fig. 5, variable 2 pointers ..., variable n pointer.Certainly, can also take other attribute is index, based on other, in corresponding Hash table, carrys out the data query point.As can be seen from the above, owing to adopting Hash table and, based on attributive classification storage data point, making the user to be inquired about as required neatly.Because the data in analog machine are not relation datas, the while is more fixing for the querying condition of data, therefore by the hashed table index of setting up some, can meet the real-time demand of data query.
Because analog machine is when operation is calculated, often need a large amount of time and repeatedly debug and could allow the data model (model configuration body) of analog machine reach preset state, therefore when running to a certain preset state, data model just needs to preserve the data in EMS memory of analog machine, thereby can directly call these data when simulated next time, the model configuration body is carried out to Data Update, allow the data model in analog machine reach rapidly this preset state, with the various situations in simulation power station.The data that preserve we just referred to as initialization files.
Below will the initialization process method according to the Nuclear Power Plant Simulation machine of the embodiment of the present invention be described by step.
The data of S310, storage model configuration body; Wherein, a plurality of data points in the date storage method storage Nuclear Power Plant Simulation machine of the Nuclear Power Plant Simulation machine of use based on step S110-S130, each data point has a plurality of attributes, a kind of existing simulation demand of the corresponding Nuclear Power Plant Simulation machine of the combination of this data point and attribute thereof.
The data of S320, renewal model configuration body.Wherein, based on predetermined simulation demand, use the data enquire method data query point of the Nuclear Power Plant Simulation machine based on step S210 and S220.And load the data point of inquiry and attribute thereof to upgrade the data in the model configuration body.When once new simulation starts, utilize the data of having stored in the model configuration body to upgrade the model configuration body, make the data model that its Rapid Establishment analog machine is new, because the number of each variable and size can not change, therefore argument pointer address pointed can not become, the Hash table data all need not be upgraded, and can greatly accelerate like this speed that data load.
As can be seen from the above, according in the date storage method of Nuclear Power Plant Simulation machine of the present invention, the attribute of having realized based on data point adopts the Hash table storage of classify, makes huge numerous and diverse data point become orderly and clear; And the user can revise neatly according to the simulation demand, increase and deleted data points and attribute thereof, so storage means is more flexible, adapt to the various simulation demands of analog machine.Based on this, data enquire method according to Nuclear Power Plant Simulation machine of the present invention can select needed attribute as search index based on the simulation demand neatly, the Hash table data query point based on corresponding, because the corresponding Hash table of a kind of attribute, so inquiry velocity is fast and convenient.Data-updating method according to Nuclear Power Plant Simulation machine of the present invention adopts the data of above-mentioned date storage method storage model configuration body under existing simulation, when carrying out next time new simulation, the data that data enquire method inquiry based on above-mentioned has been stored, and utilize the data that inquire to be upgraded the model configuration body, to carry out new simulation.The process of establishing of analog machine at new simulation Imitating structure will be accelerated like this, the data of once simulating structure need to be when carrying out each new simulation, again do not debugged.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.

Claims (9)

1. the date storage method of a Nuclear Power Plant Simulation machine, for storing a plurality of data points of Nuclear Power Plant Simulation machine, each data point has a plurality of attributes; It is characterized in that, described date storage method comprises step:
S120, establishment storage organization body; Wherein, described storage organization body comprises a plurality of addresses, described data point of an address corresponding stored; And
S130, create a plurality of Hash tables; Wherein, it is key that Hash table be take respectively the same attribute of described a plurality of data points, and corresponding respectively to take described a plurality of address be value.
2. the date storage method of Nuclear Power Plant Simulation machine according to claim 1, is characterized in that, described date storage method further comprised step before step S200:
The original document of S110, the storage of establishment data, with the described attribute of definition in described original document; Wherein, described step S110 further comprises step:
S111, in described original document the definition described data point type;
S112, further define one or more characteristics of described data point; And
S113, respectively to described characteristic assignment so that described characteristic tool characteristic value respectively.
3. the date storage method of Nuclear Power Plant Simulation machine according to claim 2, is characterized in that, described step S130 further comprises from described original document and reads described attribute.
4. the date storage method of Nuclear Power Plant Simulation machine according to claim 1, is characterized in that, in described step S120, described storage organization body comprises a plurality of continuous addresses, described data point of an address corresponding stored.
5. the date storage method of Nuclear Power Plant Simulation machine according to claim 3, is characterized in that, the type of described data point is physical quantity or the equipment of simulation.
6. the date storage method of Nuclear Power Plant Simulation machine according to claim 3, is characterized in that, the text that described original document is the xml form.
7. the data enquire method of a Nuclear Power Plant Simulation machine, adopt the date storage method of the described Nuclear Power Plant Simulation machine of claim 1-6 any one to be stored in the data point in the Nuclear Power Plant Simulation machine for inquiring about, and each described data point has a plurality of attributes; It is characterized in that, described data enquire method comprises step:
S210, reception query statement; And
S220, the attribute of appointment in described query statement of usining obtain one or more addresses corresponding to attribute of described appointment in Hash table as index, and take described one or more address inquire about described data point as pointer in the storage organization body.
8. the data enquire method of Nuclear Power Plant Simulation machine according to claim 7, it is characterized in that, in described step S220, using a plurality of attributes of the described data point of appointment in described query statement as index, based on described a plurality of attributes, corresponding a plurality of Hash tables are inquired about described data point successively.
9. data-updating method in the data store organisation of a Nuclear Power Plant Simulation machine, is characterized in that, comprises step:
The data of S310, storage model configuration body; Wherein, right to use requires the date storage method of the described Nuclear Power Plant Simulation machine of any one in 1-6 to store a plurality of data points in the Nuclear Power Plant Simulation machine, each described data point has a plurality of attributes, the particular state of the data model that the corresponding analog machine of the data point of described storage is simulated;
The data of S320, renewal model configuration body;
Wherein, based on predetermined simulation demand, the data point that right to use requires the data enquire method of 7 or 8 described Nuclear Power Plant Simulation machines to inquire about the model configuration body of storing in described step S310; And
Described data point and the attribute thereof of inquiry are loaded in described model configuration body to upgrade the data of described model configuration body.
CN2012101644401A 2012-05-25 2012-05-25 Data storage, inquiry and updating method for nuclear power plant analog machine Pending CN103425700A (en)

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CN115421804A (en) * 2022-07-29 2022-12-02 中科驭数(北京)科技有限公司 Data management method, system and device based on KPU (Key Performance Unit) unified interface
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CN106888119A (en) * 2017-02-15 2017-06-23 金钱猫科技股份有限公司 A kind of method and system for obtaining terminal attribute
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