CN101114937A - Electric power computation gridding application system - Google Patents
Electric power computation gridding application system Download PDFInfo
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Abstract
The invention discloses a power computing network applied system which belongs to the technical field of computer application, comprising a resource layer, a reseau middleware layer, a power reseau service layer, a reseau portal layer; wherein, the users set a task to be carried out in the reseau portal layer and the reseau portal layer sends the task to the power reseau service layer or the reseau middleware layer according to the task attribute; then the reseau middle layer seals the task according to the userinfo and the parameter information and sends the sealed task to the reaeau middle layer which analyzes the load information of the resource layer and the load requirement of the current task and distributes the task to different computing nodes of the resource layer and the computing nodes compute and process the task; after being computed, the task is sent back to the reseau middleware layer from the resource layer and a destination file is collected and assembled; an integrated result is sent back to the power reseau service layer and the task execution result is informed of the users by the reseau portal layer. The invention can provides a completely common software service and part of special services of the power computation.
Description
Technical field
What the present invention relates to is the system in a kind of Computer Applied Technology field, and specifically, what relate to is a kind of electric power computation gridding application system.
Background technology
Grid is a kind of distributed computing technology, utilizes network that other network element device of computer and its place network is concentrated in together, and the resource in the shared network is to promote disposal ability.The main feature of grid is shared resource and dynamic schema, has only the software and hardware resources of fully sharing in the grid, and it is just meaningful to build grid; And shared object not only comprises the computing capability or the resource of supercomputer in the grid, also comprises other various resources (as various software resources, storage resources, database resource, expensive instrument or the like) of sharing in the grid.In the practical application, grid is set up grid environment exactly between high-performance computer, realizes that the abundant of related resource of these computers shared, for the resources consumption client in the grid (being thin-client) provides service.
At present, stability of power system calculates and can be divided into three major types: transient stability, steady stability and voltage are stable.Transient stability analysis checks that electric power system is to big disturbance fault or lose the response of generating set for example.This alanysis is a typical non linear, and the generator in the main attention location system is kept the ability of synchronous operation.Static stability analysis is checked the qualitative characteristic of homeostasis point to the response of infinitesimal disturbance.The linearisation form of the dynamic model that this analytical applications is detailed is paid close attention to the characteristic value of linear system and the response of control system.Keep the ability that to accept voltage levvl during the unexpected and progressive disturbance of voltage stability analytical review electric power system response.Steady-state model is mainly adopted in this analysis, although some analysis may be considered voltage-controlled dynamic process.
Find by prior art documents, Chinese patent application number: 200410064857.6, denomination of invention: operation of power networks status assessing system and scheduling decision system, publication number: CN 1752958, this patent is to three big key elements of operation of power networks: stable, reliable, economy is carried out the assessment and the comprehensive assessment of total score index, and the quantizating index that obtains being correlated with, this system has fully reflected the inner link and relative separately independence between the three big key elements, and concentrated expression the performance of operation of power networks system.This operation of power networks status assessing system and scheduling decision system: (1) is for a large amount of state estimations that calculate of needs, carry out processing by a computer server, time of implementation is longer, fails that task is distributed to each calculation server and walks abreast and distributed treatment.(2) owing to the restriction of computational resource, precision of calculation results is not enough, fails accurately to reflect the operation of power networks state.(3) do not have remote interface units, all move on the machine in local area network (LAN), can't cross over the restriction on time and the region, satisfy remote operation, the purpose of long-range research.(4) from using the long-range angle of this system, can't be with this system transplantation to other platforms.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of electric power computation gridding application system is provided, make it give full play to the advantage of grid, make up the power grid application system of complete isomerism, can integrate in the wide area network scope electric power in the different physical domain and security domain and use, the generic service and the peculiar service of part of complete electric power calculating are provided for different application research and industrial cousumer.
The present invention is achieved by the following technical solutions, the present invention includes four layers: resource layer, grid middleware layer, power grid service layer, grid portal layer.Described resource layer has comprised the hardware components that constitutes electric power computation gridding; The gridding resource of described grid middleware layer-management isomery provides mesh services to visit an approach of gridding resource, and it provides unified interface for the computational resource of isomery; The interface that the network middleware layer provides calls in described power grid service layer, for the grid portal layer provides the electric power application service; Described grid portal layer is a page of representing with the Web form, with close friend's interface user oriented; The user is provided with will carrying out of task in the grid portal layer, the network gateway layer sends to power grid service layer or grid middleware layer to task according to task attribute, the grid intermediate layer encapsulates task according to user profile and parameter information, and the task after the encapsulation is transferred to the grid intermediate layer, the load information of grid middleware layer analysis resource layer and the load request of current task, Task Distribution is arrived the different computing node of resource layer, calculate and handle by computing node, after task computation is finished, feed back to the grid middleware layer by resource layer, collect destination file and assembly unit, complete result is returned to power grid service layer, finally by grid portal layer notice user task execution result.
Described grid middleware layer comprises four modules: service monitoring and discovery module, data management module, monitoring resource module, task scheduling modules, these four modules are managed the gridding resource of isomery together, and making it is a single virtual high-performance computing environment In the view of the user.Service monitoring with find that module is connected in the grid portal layer and power grid service layer, the new log-on message of reception from the grid portal layer, the address information of providing services on the Internet for power grid service layer.Data management module sends to the grid portal layer to stored information by the storage resources of access resources layer.The monitoring resource module is collected hardware information from resource layer, is kept at then in the database, uses for task scheduling modules and grid portal layer.Initialization, scheduling, monitoring, the execution of task scheduling modules management remote task, it accepts the mission bit stream of power grid service layer, by the load information of analyzing stored in database, draw optimum computing node of executing the task, then task is distributed to the clearing node that is arranged in resource layer.
Described power grid service layer comprises trend calculation services module, little interference analysis service module, transient stability analysis service module, static voltage stability analysis service module.All these service modules all are based on the parallel algorithm of MPI (Message Passing Interface, message passing interface) and develop.Difference according to task, power grid service layer assigns corresponding service module to trend calculation services, little interference analysis service, transient stability analysis service, static voltage stability analysis service and calculates, these four modules obtain the user profile and the parameter information of task and carry out assembly unit from the task management module of grid portal layer earlier, then mission bit stream are passed back the task scheduling modules of grid middleware layer.
Described grid portal layer comprises and lands module, task management module, Data access module, resource display module, service registry administration module.Power grid door layer has customized resource demonstration and task management functions operation with close friend's interface user oriented, and the various services that operation can utilize platform to provide on webpage only are provided the user.Land module and be in charge of landing and nullifying of user, when the user need login grid system, land module and use the user profile of preserving in the database server in the resource layer, the validity of checking logon information.Data access module obtains data file and offers user's download from the data management module in grid intermediate layer.The task management module connects task scheduling modules and the power grid service layer in the grid middleware layer, submit to the user task parameters to be submitted in the power grid service layer, the information of the task scheduling modules by reading the grid middleware layer simultaneously shows the state and the destination file of task to the user.The resource display module reads hardware asset information from the monitoring resource module of grid middleware layer, shown the real-time status and the historic state of gridding resource to the user.The function of service registry administration module be allow mesh-managing person add and the deletion resource layer in service providing node, then this information is sent to the service monitoring and the administration module of grid middleware layer.
Common software service and the peculiar service of part that the present invention can provide complete electric power to calculate for the user provides visualization interface, based on method of service, have versatility and compatible good, and extensibility is strong, the characteristics that maintenance costs is little.The user can a visual newly-built task after landing this electric power Application Grid platform, also can monitor submitting to last time but also not finishing of task.Adopt service concept, based on service identifiers language and international standards such as unified description, registration, issue, different electric power computing applications is packed and be deployed as mesh services, be convenient to following expansion and reusable, be easy to integrated and merge other grid computings use, adapted to the needs that following grid computing and electric power are used.
Compared with prior art, effect of the present invention is as follows: 1) good versatility and autgmentability, system adopt international symbols such as service identifiers language and unified description, registration, issue based on service idea.2) widely applicable, mode and other grid computing application integration and fusion that the present invention can plug and play, adaptive mess calculates and electric power calculates the needs that develop.3) visual, the present invention provides visual interactive tool for the user, and is simple to operate, and the user can a visual newly-built task, also can monitor carrying out of task at any time.4) disposal ability is strong, and system is each subtask with user's task division, and is deployed on the computing node of each high computing capability, can carry out distributed and parallel processing to task.With national power networking data instance in 2005, the computing time of the concurrent program of transient stability analysis on the computing node of 8 CPU, be have 1 equal CPU computing node service time 1/8th, realized linear speed-up ratio.5) professional platform independence, the present invention can be deployed on the linux/unix and windows platform of present main flow.
Description of drawings
Fig. 1 overall system architecture figure of the present invention
Fig. 2 schematic block diagram of the present invention
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: resource layer, grid middleware layer, power grid service layer, grid portal layer.The user is provided with will carrying out of task in the grid portal layer, the network gateway layer sends to power grid service layer or grid middleware layer to task according to task attribute, get up encapsulation according to user profile and parameter information in the grid intermediate layer, and the task after the encapsulation is transferred to the grid intermediate layer, the load information of grid middleware layer analysis resource layer and the load request of current task, Task Distribution to the different computing node of resource layer, is calculated and handled by computing node.After task computation is finished, feed back to the grid middleware layer, collect destination file and assembly unit, complete result is returned to power grid service layer, finally by grid portal layer notice user task execution result by resource layer.
Described resource layer has comprised the hardware components that constitutes electric power computation gridding, as PC, and database server, calculation server, application server etc.
Described grid middleware layer plays a part core in system, an approach of mesh services visit gridding resource is provided, and it provides unified interface for the computational resource of isomery.
The interface that described power grid service call network middleware layer provides has been realized the different application service of power grid system, comprises the trend calculation services, little interference analysis service, transient stability analysis service, static voltage stability analysis service.
Described grid portal layer is a page of representing with the Web form, provides friendly interface to the user, and the customization resource shows and the task management functions operation.
1. the gridding resource of grid middleware layer-management isomery, making it is a single virtual high-performance computing environment In the view of the user.The grid middleware layer is by service monitoring and discovery module, data management module, monitoring resource module, task scheduling modules composition.Service monitoring with find that module is connected service registry administration module and the power grid service layer in the grid portal layer, the new log-on message of service registry administration module reception from the grid portal layer, the address information of providing services on the Internet for power grid service layer.Data management module sends to stored information the Data access module of grid portal layer by the storage resources of access resources layer.The monitoring resource module is collected hardware information from resource layer, is kept at then in the database, uses for task scheduling modules and grid portal layer resource display module.Task scheduling modules is accepted the mission bit stream of power grid service layer, by the load information of analyzing stored in database, draws optimum computing node of executing the task, then Task Distribution to the clearing node that is arranged in resource layer.
A) service monitoring and discovery module are the set of a series of services, and it makes grid user can find resource and the service in the grid system, the service that exists in the managing gridding comprises interpolation, inquiry, deletion action, and check periodically whether the computing node that improves service is available.
B) data management module utilizes the memory device of File Transfer Protocol access resources layer, the management of the location of management data, transmission and distributed data, and for power grid service layer and grid portal layer provide the interface of storage operation,
C) monitoring resource module, the resource information of collecting resource layer, as cpu load, internal memory operating position etc. are kept in the database.These data will be used by the resource display module in task scheduling modules and the grid portal layer.
D) task scheduling modules, the data of monitoring resource module output are used in initialization, scheduling, monitoring, the execution of management remote task, according to resource layer in real time and historic state and task attribute, task scheduling to suitable computing node.
2. power grid service layer, the interface that uses the grid middleware layer to provide is for the grid portal layer provides the electric power application service.Power grid service layer is by trend calculation services module, little interference analysis service module, and the transient stability analysis service module, the static voltage stability analysis service module is formed.According to the difference of task, the service module of task assignment correspondence calculates in power grid service layer.These four modules obtain the user profile and the parameter information of task and carry out assembly unit from the task management module of grid portal layer earlier, then mission bit stream are passed back the task scheduling modules of grid middleware layer.
A) trend calculation services module is used the parameter of user by the grid portal input, utilizes the parallel algorithm based on MPI, draws the trend result calculated.
B) little interference analysis service module uses the parameter of user by the grid portal input, utilizes the parallel algorithm based on MPI, draws the result of little interference analysis.
C) transient stability analysis service module uses the parameter of user by the grid portal input, utilizes the parallel algorithm based on MPI, draws the result of transient stability analysis.
D) static voltage stability analysis service module uses the parameter of user by the grid portal input, utilizes the parallel algorithm based on MPI, draws the result of static voltage stability analysis.
3. the grid portal layer with close friend's interface user oriented, has customized resource demonstration and task management functions operation, and the various services that operation can utilize platform to provide on webpage only are provided the user.The grid portal layer is by landing module, task management module, resource display module, Data access module composition.Land module and read the user profile of preserving in the database server in the resource layer, the validity of checking logon information.Data access module obtains data file and offers user's download from the data management module in grid intermediate layer.The task management module connects task scheduling modules and the power grid service layer in the grid middleware layer, submit to the user task parameters to be submitted in the power grid service layer, the information of the task scheduling modules by reading the grid middleware layer simultaneously shows the state and the destination file of task to the user.The resource display module reads hardware asset information from the monitoring resource module of grid middleware layer, shown the real-time status and the historic state of gridding resource to the user.The function of service registry administration module be allow mesh-managing person add and the deletion resource layer in service providing node, then this information is sent to the service monitoring and the administration module of grid middleware layer.
A) land module, be in charge of landing and nullifying of user, the user can read from database about user's various information after logining grid system by authentication, comprises the state of the task that the user once submitted to.
B) task management module is in charge of the task that the user submits to, provides task to submit to, task status inquiry and the operation of deletion task dispatching.
C) resource display module as shown in Figure 2, links to each other with the monitoring resource module of grid middleware layer, reads the real time data and the historical data of hardware resource and is presented on the page.
D) service registry administration module as shown in Figure 2, links to each other with the discovery module with the service monitoring of grid middleware layer, and operations such as new service registry and old service deletion are provided.
E) Data access module as shown in Figure 2, links to each other with the data management module of grid middleware layer, and operations such as visit result of calculation file and Parameter File are provided.
Common software service and the peculiar service of part that present embodiment can provide complete electric power to calculate for the user provides visualization interface, based on method of service, have versatility and compatible good, and extensibility is strong, the characteristics that maintenance costs is little.The user can a visual newly-built task after landing this electric power Application Grid platform, also can monitor submitting to last time but also not finishing of task.Adopt service concept, based on service identifiers language and international standards such as unified description, registration, issue, different electric power computing applications is packed and be deployed as mesh services, be convenient to following expansion and reusable, be easy to integrated and merge other grid computings use, adapted to the needs that following grid computing and electric power are used.
Claims (10)
1. electric power computation gridding application system is characterized in that comprising: resource layer, grid middleware layer, power grid service layer, grid portal layer, wherein:
Described resource layer has comprised the hardware components that constitutes electric power computation gridding;
The gridding resource of described grid middleware layer-management isomery provides mesh services to visit an approach of gridding resource, and it provides unified interface for the computational resource of isomery;
The interface that the network middleware layer provides calls in described power grid service layer, for the grid portal layer provides the electric power application service;
Described grid portal layer is a page of representing with the Web form, with close friend's interface user oriented;
The user is provided with will carrying out of task in the grid portal layer, the network gateway layer sends to power grid service layer or grid middleware layer to task according to task attribute, the grid intermediate layer encapsulates task according to user profile and parameter information, and the task after the encapsulation is transferred to the grid intermediate layer, the load information of grid middleware layer analysis resource layer and the load request of current task, Task Distribution is arrived the different computing node of resource layer, calculate and handle by computing node, after task computation is finished, feed back to the grid middleware layer by resource layer, collect destination file and assembly unit, complete result is returned to power grid service layer, finally by grid portal layer notice user task execution result.
2. electric power computation gridding application system as claimed in claim 1, it is characterized in that, described grid middleware layer comprises four modules: service monitoring and discovery module, data management module, monitoring resource module, task scheduling modules, service monitoring is connected grid portal layer and power grid service layer with the discovery module, from the grid portal layer, receive new log-on message, the address information of providing services on the Internet for power grid service layer; Data management module sends to the grid portal layer to stored information by the storage resources of access resources layer; The monitoring resource module is collected hardware information from resource layer, is kept at then in the database, uses for task scheduling modules and grid portal layer; Task scheduling modules is accepted the mission bit stream of power grid service layer, by the load information of analyzing stored in database, draws optimum computing node of executing the task, then Task Distribution to the clearing node that is arranged in resource layer.
3. electric power computation gridding application system as claimed in claim 2, it is characterized in that, described service monitoring is the set of a series of services with the discovery module, it makes grid user can find resource and the service in the grid system, the service that exists in the managing gridding, comprise interpolation, inquiry, deletion action, and check periodically whether the computing node that improves service is available.
4. electric power computation gridding application system as claimed in claim 2, it is characterized in that, described data management module utilizes the memory device of File Transfer Protocol access resources layer, the management of the location of management data, transmission and distributed data provides the interface of storage operation for power grid service layer and grid portal layer.
5. electric power computation gridding application system as claimed in claim 2, it is characterized in that, described monitoring resource module is collected the resource information of resource layer, comprise cpu load, internal memory operating position, be kept in the database, these data will be used by the resource display module in task scheduling modules and the grid portal layer.
6. electric power computation gridding application system as claimed in claim 2, it is characterized in that, initialization, scheduling, monitoring, the execution of described task scheduling modules management remote task, use the data of monitoring resource module output, according to resource layer in real time and historic state and task attribute, task scheduling to suitable computing node.
7. electric power computation gridding application system as claimed in claim 1, it is characterized in that, described power grid service layer comprises trend calculation services module, little interference analysis service module, the transient stability analysis service module, the static voltage stability analysis service module, these service modules are based on all that the parallel algorithm of message passing interface develops, difference according to task, power grid service layer is the trend calculation services, little interference analysis service, the transient stability analysis service, the static voltage stability analysis service is assigned corresponding service module and is calculated, these four modules obtain the user profile and the parameter information of task and carry out assembly unit from the task management module of grid portal layer earlier, then mission bit stream are passed back the task scheduling modules of grid middleware layer.
8. electric power computation gridding application system as claimed in claim 7 is characterized in that, described trend calculation services module is used the parameter of user by the grid portal input, utilizes the parallel algorithm based on message passing interface, draws the trend result calculated;
Described little interference analysis service module uses the parameter of user by the grid portal input, utilizes the parallel algorithm based on message passing interface, draws the result of little interference analysis;
Described transient stability analysis service module uses the parameter of user by the grid portal input, utilizes the parallel algorithm based on message passing interface, draws the result of transient stability analysis;
Described static voltage stability analysis service module uses the parameter of user by the grid portal input, utilizes the parallel algorithm based on message passing interface, draws the result of static voltage stability analysis.
9. electric power computation gridding application system as claimed in claim 1, it is characterized in that, described grid portal layer comprises and lands module, the task management module, Data access module, the resource display module, the service registry administration module, land module and read the user profile of preserving in the database server in the resource layer, the validity of checking logon information, Data access module obtains data file and offers user's download from the data management module in grid intermediate layer, the task management module connects task scheduling modules and the power grid service layer in the grid middleware layer, submit to the user task parameters to be submitted in the power grid service layer, the information of the task scheduling modules by reading the grid middleware layer simultaneously, the state from task to the user and the destination file that show, the resource display module reads hardware asset information from the monitoring resource module of grid middleware layer, the real-time status from gridding resource to the user and the historic state that have shown, the function of service registry administration module be allow mesh-managing person add and the deletion resource layer in service providing node, then this information is sent to the service monitoring and the administration module of grid middleware layer.
10. electric power computation gridding application system as claimed in claim 9, it is characterized in that, the described module of landing is in charge of landing and nullifying of user, after the user logins grid system by authentication, various information about the user can be read from database, comprise the state of the task that the user once submitted to;
Described task management module is in charge of task that the user submits to, provide that task is submitted to, task status inquiry and deletion task operating;
Described resource display module links to each other with the monitoring resource module of grid middleware layer, reads the real time data and the historical data of hardware resource and is presented on the page;
Described service registry administration module links to each other with the discovery module with the service monitoring of grid middleware layer, and new service registry and old service deletion action are provided;
Described Data access module links to each other with the data management module of grid middleware layer, and the operation of visit result of calculation file and Parameter File is provided.
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