CN105956792A - Data node and common node based formula parallel computing method - Google Patents
Data node and common node based formula parallel computing method Download PDFInfo
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- CN105956792A CN105956792A CN201610353983.6A CN201610353983A CN105956792A CN 105956792 A CN105956792 A CN 105956792A CN 201610353983 A CN201610353983 A CN 201610353983A CN 105956792 A CN105956792 A CN 105956792A
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Abstract
The invention provides a data node and common node based formula parallel computing method. The method comprises the following steps that (1) a server farm is divided into common nodes and data nodes; (2) a formula computing task is decomposed into regional computing and whole-network computing; (3) the data nodes are responsible for parallel regional computing; (4) the common nodes are responsible for coordination of regional computing as well as whole-network computing; and (5) computing results are synchronized. According to the data node and common node based formula parallel computing method, a traditional serial computing mode is reconstructed by clustering, the formula computing efficiency is improved effectively, the requirement of instantaneity for large-scale formula computing is met, and it is further ensured that a system runs stably and reliably.
Description
Technical field
The invention belongs to dispatching automation of electric power systems field, be specifically related to a kind of based on back end with the public affairs of common node
Formula parallel calculating method.
Background technology
In current power grid regulation system, formula calculates and is usually serial computing, this computing and pipe on a station server
It is long that reason mechanism causes formula to calculate required time, and the load calculating node is high.Once formula quantity reaches more than thousands of,
Serial computing pattern cannot meet the requirement of real-time of power system.Along with following electrical network scale persistently increases, operation characteristic
Change is complicated, and existing serial formula computational methods may be missed the calculating cycle, cause formula result of calculation inaccurate,
It is difficult to adapt to the demand for development of following electrical network.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the present invention provides a kind of formula based on back end and common node also
Row computational methods, the present invention utilizes formula parallel calculating method based on back end and common node, to traditional serial
Computation schema has carried out clustered transformation.
In order to realize foregoing invention purpose, the present invention adopts the following technical scheme that:
A kind of formula parallel calculating method based on back end and common node, described method comprises the steps:
(1) segmentation service device group is common node and back end；
(2) it is that region calculates and the whole network calculates that formula calculates Task-decomposing；
(3) described back end is responsible for the region calculating of parallelization；
(4) described common node is responsible for region and is calculated collaborative and the whole network and calculate；
(5) result of calculation synchronizes.
Preferably, in described step (1), traditional active/standby server is expanded to described server zone, is divided in group
Common node and back end, described back end configuration multiple servers, status is impartial, has the electrical network of zones of different
Model and real time data；Described common node configuration one to two-server, has complete electric network model and real time data.
Preferably, in described step (2), based on described back end and described common node, formula is calculated Task-decomposing
Becoming region to calculate and the whole network calculates, formula in region calculates independent to corresponding back end, trans-regional and relate to the whole network
The formula calculated is unified incorporates common node into.
Preferably, in described step (3), described back end is responsible for region and is always added calculating, result of calculation and calculating component
Calculate being placed on this back end of same node.
Preferably, in described step (4), common node is responsible for the whole network and is always added calculating, and result of calculation and calculating component are across joint
Being placed on described common node of point calculates, and in the same calculating cycle, first calculating each region always adds formula, so
Rear calculating the whole network always adds.
Preferably, in described step (5), described common node is synchronized to corresponding data result of calculation after having calculated
On node, client obtains result of calculation by Distributed Data Visits mode from back end.
Compared with prior art, the beneficial effects of the present invention is:
The present invention takes full advantage of system resource, effective saving manpower maintenance cost and system Construction cost, greatly carries
Scheduling Automation System Reliability, treatment effeciency and extensibility, for electrical network development, run and manage generation considerable
Benefit, it is provided that strong technical support and guarantee.
The present invention improves the formula under huge electrical network scale and frequent data item interaction scenario and calculates speed, and system upgrade expands
It is more convenient to open up.
Accompanying drawing explanation
Fig. 1 is the system structure of a kind of based on back end and common node the formula parallel calculating method that the present invention provides
Figure
Fig. 2 is the configuration back end and the structure chart of common node that the present invention provides
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
The system construction drawing of a kind of based on back end and common node the formula parallel calculating method that the present invention provides, as
Shown in Fig. 1, the method comprises the steps:
Step 1, segmentation service device group are common node and back end；
Traditional active/standby server is expanded to described server zone, in group, is divided into common node and back end, described
Back end configuration multiple servers, status is impartial, has electric network model and the real time data of zones of different；Described public
Node configuration one to two-server, has complete electric network model and real time data.As a example by state is in harmonious proportion three China's systems,
As in figure 2 it is shown, four back end of configuration Xia Zhuan state tune, East China, North China and the model in Central China respectively, based on data section
The passage that the model profile of point sends data to front server divides, with back end one_to_one corresponding, back end
Receive and be pertaining only to the advance data of oneself model scope and carry out data process；Configure a public server, under install whole
Model, receives all advance data and carries out data process, therefore having full model and total evidence.
Step 2, formula is calculated Task-decomposing be region calculate and the whole network calculate；
With described common node, formula being calculated Task-decomposing based on described back end becomes region to calculate and the whole network calculating, district
Formula calculating in territory is independent to corresponding back end, and formula that is trans-regional and that relate to the whole network calculating is unified incorporates public joint into
Point.As a example by state is in harmonious proportion three China's systems, state's straightening adjusts the correlation formulas such as total meritorious, the most idle, gross capability of plant stand corresponding
Calculating on the back end that state adjusts, the correlation formulas pair such as total meritorious, the most idle, gross capability of plant stand are administered in North China
Should calculate on the back end in North China, the correlation formula correspondence such as total the most meritorious, the most idle of the whole network is on common node
Calculate.
Step 3, described back end are responsible for the region of parallelization and are calculated；
Described back end is responsible for region and is always added calculating, result of calculation with calculate component and be placed on this data section at same node
Calculate on Dian.As a example by state is in harmonious proportion three China's systems, state's tune, East China, North China and four, Central China back end enter simultaneously
The calculating of the correlation formulas such as total meritorious, the most idle, gross capability of row each administration plant stand.
Step 4, described common node are responsible for region and are calculated collaborative and the whole network calculating；
Common node is responsible for the whole network and is always added calculating, result of calculation with calculate component cross-node to be placed on described common node enterprising
Row calculates, and in the same calculating cycle, first calculates each region and always adds formula, then calculate the whole network and always add.
Step 5, result of calculation synchronize.
Described common node is synchronized to result of calculation on corresponding back end after having calculated, and client is by distributed
Data access mode obtains result of calculation from back end.
Finally should be noted that: above example only in order to illustrate that technical scheme is not intended to limit, although
Being described in detail the present invention with reference to above-described embodiment, those of ordinary skill in the field are it is understood that still
The detailed description of the invention of the present invention can be modified or equivalent, and appointing without departing from spirit and scope of the invention
What amendment or equivalent, it all should be contained in the middle of scope of the presently claimed invention.
Claims (6)
1. a formula parallel calculating method based on back end and common node, it is characterised in that described method includes as follows
Step:
(1) segmentation service device group is common node and back end；
(2) it is that region calculates and the whole network calculates that formula calculates Task-decomposing；
(3) described back end is responsible for the region calculating of parallelization；
(4) described common node is responsible for region and is calculated collaborative and the whole network and calculate；
(5) result of calculation synchronizes.
The most according to claim 1, method, it is characterised in that in described step (1), expand traditional active/standby server
Exhibition is described server zone, is divided into common node and back end in group, and described back end configures multiple servers,
Status is impartial, has electric network model and the real time data of zones of different；Described common node configuration one to two-server,
There is complete electric network model and real time data.
The most according to claim 1, method, it is characterised in that in described step (2), based on described back end and institute
Stating common node becomes region to calculate and the whole network calculating formula calculating Task-decomposing, and the formula in region calculates independently to the most right
The back end answered, formula that is trans-regional and that relate to the whole network calculating is unified incorporates common node into.
Method the most according to claim 1, it is characterised in that in described step (3), described back end is responsible for region
Always adding calculating, result of calculation calculates being placed on this back end of same node with calculating component.
Method the most according to claim 1, it is characterised in that in described step (4), common node is responsible for the whole network and is always added
Calculating, result of calculation calculates with calculating being placed on described common node of component cross-node, the same calculating cycle
In, first calculate each region and always add formula, then calculate the whole network and always add.
Method the most according to claim 1, it is characterised in that in described step (5), described common node has calculated
Afterwards result of calculation is synchronized on corresponding back end, client by Distributed Data Visits mode from back end
Upper acquisition result of calculation.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101256516A (en) * | 2007-02-28 | 2008-09-03 | Sap股份公司 | Distribution of data and task instances in grid environments |
| CN101685480A (en) * | 2008-09-27 | 2010-03-31 | 国家电力调度通信中心 | Parallel computing method for security and stability analysis of large power grid and computing platform |
| CN103607466A (en) * | 2013-11-27 | 2014-02-26 | 国家电网公司 | Wide-area multi-stage distributed parallel grid analysis method based on cloud computing |
| CN104463465A (en) * | 2014-12-05 | 2015-03-25 | 国家电网公司 | Real-time monitoring cluster processing method based on distributed models |
-
2016
- 2016-05-25 CN CN201610353983.6A patent/CN105956792A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101256516A (en) * | 2007-02-28 | 2008-09-03 | Sap股份公司 | Distribution of data and task instances in grid environments |
| CN101685480A (en) * | 2008-09-27 | 2010-03-31 | 国家电力调度通信中心 | Parallel computing method for security and stability analysis of large power grid and computing platform |
| CN103607466A (en) * | 2013-11-27 | 2014-02-26 | 国家电网公司 | Wide-area multi-stage distributed parallel grid analysis method based on cloud computing |
| CN104463465A (en) * | 2014-12-05 | 2015-03-25 | 国家电网公司 | Real-time monitoring cluster processing method based on distributed models |
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Application publication date: 20160921 |