WO2016147349A1

WO2016147349A1 - Energy management system and method for executing business application

Info

Publication number: WO2016147349A1
Application number: PCT/JP2015/058096
Authority: WO
Inventors: 山本　秀典; 末典小田; 善弘水野
Original assignee: 株式会社日立製作所
Priority date: 2015-03-18
Filing date: 2015-03-18
Publication date: 2016-09-22
Also published as: JP6322332B2; JPWO2016147349A1

Abstract

The present invention facilitates the addition of a process and maintains the reliability of a business application. A storage device stores processing logic indicating a specific process used by the business application and interface logic indicating an interface that calls the specific process. A processing device accepts a call of the specific process by the business application in accordance with the interface logic, monitors a system status that is the status of an energy management system, monitors an energy status that is the status of energy, determines the execution period of the specific process on the basis of correlation among the system status, the energy status, and the specific process, and executes the specific process in the execution period in accordance with the processing logic.

Description

Energy management system and business application execution method

The present invention relates to a technology for executing a business application.

Energy management systems that manage power in areas, buildings, and homes are known. Large-scale energy management systems execute multiple business applications.

Japanese Patent Laid-Open No. 2004-26883 allows transmission and reception to be linked without using large-scale linkage software or complicated linkage procedures even when the format of information data, information processing logic, and policy to be handled are different for each transmission-side device. Information linkage system is described.

Patent Document 2 discloses a resource management system that seeks resources that do not affect even when another information processing system is already in operation, and provides means for continuously executing business services and effectively using shared resources. Are listed.

JP 2011-090514 A JP 2008-033852 A

However, when there are a wide variety of business applications that use data, it is difficult for the data provider to individually deal with the data use side. For this reason, in order to obtain data necessary for the business application, it is necessary to individually create or modify the processing logic in the business application, which increases the development cost.

Also, as the number of business applications that use data increases, the load on the data provider may increase due to an increase in data requests. Further, even when the state of the system executing the business application is normal, when the state of the business target is abnormal, it is difficult to allocate system resources optimally. In addition, when executing a control application that requires periodic maintenance, it is not possible to know whether the update to necessary data has been completed at the start of each period of the control application due to an increase in load due to the addition of a new application. Consistency cannot be guaranteed. Further, if the allocation is performed by monitoring only the resource state as in the resource management in the cloud, it is not possible to guarantee the normal execution of one or more business applications that are correlated in the execution order, the execution start condition, or the like.

In order to solve the above-described problem, an energy management system according to one aspect of the present invention is connected to a storage device and a computer that executes at least one business application for managing the energy, connected to a node using energy. And a processing device connected to the storage device and the communication device. The storage device stores processing logic indicating a specific process used by a business application and interface logic indicating an interface for calling the specific process. The processing device receives a call of the specific process by the business application according to the interface logic, monitors a system state that is a state of the energy management system, monitors an energy state that is the state of the energy, and the system state The execution period of the specific process is determined based on the correlation between the energy state and the specific process, and the specific process is executed according to the processing logic in the execution period.

Processing can be easily added and business application reliability can be maintained.

1 shows a software configuration of an energy management system according to a first embodiment. The hardware configuration of the energy management system is shown. It is a sequence diagram which shows operation | movement of the energy management system 0200 and an external system. The functional configuration of the business application execution management server 0201 is shown. An execution management table 0441 is shown. Policy 0442 is shown. It is a flowchart which shows an execution order determination process. It is a flowchart which shows an execution control process. It is a flowchart which shows an operation | movement continuation response process. The energy management system of Example 2 is shown.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 shows the software configuration of the energy management system of the first embodiment.

In this embodiment, an energy management system that executes a business application for managing power will be described. The energy management system includes a business application execution management server 0201, a data storage server 0202, an application server 0203, and a business server 0204.

The business application execution management server 0201 is connected to the data storage server 0202, the application server 0203, the business server 0204, and the business server 0205.

The business application execution management server 0201 provides the business application 0107 in the application server 0203 with a function for linking the data stored in the data storage server 0202 and the data provided from the

business servers

0204 and 0205. The data storage server 0202 acquires communication messages from one or more nodes that use power, and stores and manages data included in the communication messages in a database. The data storage server 0202 collects data of configuration / plan / result information exchanged between field devices and business applications and stores it in a database. The application server 0203 executes the business application 0107. The business application 0107 includes a demand response business for maintaining the supply and demand balance of the power system, and a business of other energy management systems. The business server 0204 executes middleware or an application related to another business of the business application 0107. For example, the business server 0204 is an existing server having information other than energy management, such as GIS (Geographic Information System). The business server 0205 executes an application in the external system. For example, when the energy management system is used by a power company, the external system is, for example, a system of another power company.

The business application execution management server 0201 includes an interface providing unit 0101, a processing logic built-in management unit 0102, and a data access unit 0103 in order to accept and respond to requests from the business application 0107 in the application server 0203.

The interface providing unit 0101 provides the business application 0107 with an application-oriented processing interface (hereinafter referred to as a processing interface) for invoking processing. The processing logic incorporation management unit 0102 incorporates processing logic indicating processing necessary for business. The processing logic executes processing called by the business application 0107 using the processing interface. The data access unit 0103 provides the processing logic with an adapter for data access processing required for processing of the processing logic to the database, the business server 0204 of another business system, or the business server 0205 of the external system. The interface providing unit 0101 incorporates an interface logic that is a logic of the processing interface. The data access unit 0103 incorporates access logic that is logic of the adapter.

Here, the framework configuration of the interface providing unit 0101, the processing logic incorporation management unit 0102, and the data access unit 0103 is the same as the processing interface provided to the business application 0107 by the interface providing unit 0101, and the processing logic incorporation management unit 0102. It is possible to add processing logic managed and executed by the system even after the system operation is started. The data access unit 0103 provides a common interface and processing for data access to the processing logic. When the data access unit 0103 uses a standard interface or protocol, the business application execution management server 0201 can perform data access regardless of the type of the business application 0107.

The business application execution management server 0201 further includes a processing logic execution control unit 0105, a power supply / demand state / system state monitoring unit 0104, a performance information collection unit 0106, and a policy 0151. The power supply / demand status / system status monitoring unit 0104 monitors the power supply / demand status of the power system including the nodes and the system status of the energy management system. The record information collection unit 0106 collects record information of execution of the processing logic. The policy 0151 indicates the correlation between the power supply / demand state, the system state, and the business. For example, the policy 0151 stores the priority defined for the business type of the processing logic, the power supply / demand state, and the system state. The business type is a type of processing logic. The processing logic execution control unit 0105 obtains the power supply / demand state and system state obtained from the power supply / demand state / system state monitoring unit 0104 and the result information collection unit 0106 in executing the process called from the business application 0107. With reference to the record information, based on the policy 0151, whether or not to execute the processing logic is determined, and the execution order and execution timing are adjusted.

The business types include, for example, demand response control business, demand response non-control business, customer facility related business, non-control business, and system operation business. Details of these business types will be described later. As exemplified in the operation 0111, the processing logic execution control unit 0105 gives priority to the periodic execution of the demand response control work based on the policy 0151, and performs the processing of the customer facility related work next to the demand response control work. Let it run before the cycle begins. Further, the processing logic execution control unit 0105 causes the non-control work to be executed in the idle time of the processing. As a result, even if a business application 0107, a processing interface in the interface providing unit 0101, and a processing logic in the processing logic incorporation management unit 0102 are added, processing such as demand response control business that requires performance and reliability is performed. Keep stable execution.

The energy management system may manage energy other than electric power. In this case, the power supply / demand state may be an energy state of other energy.

The business application execution management server 0201 or the energy management system can be called a computer system.

The details of each process above will be described in the following figures.

FIG. 2 shows the hardware configuration of the energy management system 0200.

The energy management system 0200 includes a business application execution management server 0201, which includes a data storage server 0202, an application server 0203, a business server 0204, a gateway 0207, and a gateway 0208.

The business application execution management server 0201, the data storage server 0202, the application server 0203, the business server 0204, the gateway 0207, and the gateway 0208 are connected to each other via a network 0213. The gateway 0207 is further connected to one or more nodes 0206 via the control system dedicated network 0211. The node 0206 includes a facility device or a device that executes a control system application. The gateway 0208 is further connected to the external system 0210 via the wide area network 0212. The external system 0210 includes a business server 0205. The business server 0205 is connected to the wide area network 0212 via the network 0214.

Connections by the

networks

0211, 0212, 0213, and 0214 may take different configurations based on security requirements and network performance requirements.

The main hardware configuration of the business application execution management server 0201 includes a processing device (eg, CPU: Central Processing Unit) 0221, a storage device (eg, memory, hard disk) 0222, and a communication device (eg, NIC: Network Interface Card) 0223. Including. The business application execution management server 0201 may include an input device that receives input of information from the user (administrator) of the energy management system 0200 and a display device that displays information to the user. May be connected to the business application execution management server 0201. Note that the processing device 0221 may be referred to as a processing device, the storage device 0222 may be referred to as a storage device, and the communication device 0223 may be referred to as a communication device.

The main hardware configuration of the data storage server 0202 includes a processing device (CPU) 0231, a storage device (memory, hard disk) 0232, and a communication device 0223.

The main hardware configuration of the application server 0203 includes a processing device (CPU) 0241, a storage device (memory, hard disk) 0242, and a communication device 0243.

The main hardware configuration of the business server 0204 includes a processing device (CPU) 0251, a storage device (memory, hard disk) 0252, and a communication device 0253.

The main hardware configuration of the business server 0205 in the external system 0210 includes a processing device (CPU) 0261, a storage device (memory, hard disk) 0262, and a communication device 0263.

The main hardware configuration of the node 0206 includes a processing device (CPU) 0271, a storage device (memory, hard disk) 0272, and a communication device 0273. The communication device 0273 is connected to the network 0211 and connected to the equipment. The equipment is connected to the power distribution network. The energy management system manages the power of the power system including the node 0206. The node 0206 is a control target in the demand response.

The main hardware configuration of the

gateways

0207 and 0208 includes a processing device (CPU) 0281, a storage device (memory, hard disk) 0282, and a communication device 0283.

FIG. 3 is a sequence diagram showing the operations of the energy management system 0200 and the external system.

The subject of this operation is the application server 0203, the business application execution management server 0201, the data storage server 0202, the business server 0204, and the business server 0205 in the external system 0210 in the energy management system 0200.

The application server 0203 calls processing at 0331 using the processing interface provided by the business application execution management server 0201.

In 0311, the business application execution management server 0201 determines the power supply / demand state and the system state. The power supply / demand state indicates the state of power supply / demand at the node 0206. The system state indicates a state such as a load of the energy management system 0200. The business application execution management server 0201 determines the policy 0151 set in advance in 0312 and adjusts the order of the called processes together with the result of the state determination in 0311. In 0313, the business application execution management server 0201 performs allocation of the access destination of the processing, execution control, and the like based on the result of 0312.

In 0314, the business application execution management server 0201 transmits a data request for data necessary for the processing to the data storage server 0202 based on the result of 0313. In 0321, the data storage server 0202 extracts the corresponding data from the database managed by the server based on the request content of 0314. In 0322, the data storage server 0202 transmits the extracted data of 0321 to the business application execution management server 0201. In 0315, the business application execution management server 0201 obtains performance information of processing execution by 0313 and 0314. The business application execution management server 0201 acquires 0322 data in 0316.

In 0317, the business application execution management server 0201 transmits a data or process execution request to the business server 0204 based on the result of 0313. In 0341, the business server 0204 executes the corresponding processing based on the request content of 0317. In 0342, the business server 0204 transmits the processing result or data of 0341 to the business application execution management server 0201. In 0318, the business application execution management server 0201 acquires performance information on the processing execution by 0313 and 0317. In 0319, the business application execution management server 0201 acquires the processing result or data of 0342.

The business application execution management server 0201 transmits a data or processing execution request to the business server 0205 in the external system based on the result of 0313 in 0310. In 0351, the business server 0205 in the external system executes a corresponding process based on the request content of 0310. In 0352, the business server 0205 transmits the processing result or data of 0351 to the business application execution management server 0201. In 0361, the business application execution management server 0201 obtains performance information of processing executions by 0313 and 0310. The business application execution management server 0201 acquires the processing result or data of 0352 at 0362.

In 0363, the business application execution management server 0201 creates response data for the application server 0203, processes it, and determines whether or not it can respond, based on the data or processing results acquired in 0316, 0319, and 0362. The business application execution management server 0201 transmits 0363 response data to the application server 0203 at 0364. The application server 0203 obtains the response data of 0364 at 0332 and ends this sequence.

According to the above sequence, the business application 0107 in the application server 0203 can execute the business using the processing logic of the business application execution management server 0201. Thereby, in the development of the business application 0107, the development man-hours and the development period can be reduced. In addition, after starting the operation of the energy management system, it becomes easy to add a new business application 0107 to expand the business of the energy management system.

FIG. 4 shows the functional configuration of the business application execution management server 0201.

The business application execution management server 0201 includes middleware 0401. The middleware 0401 links the data stored in the data storage server 0202 and the data provided by the business server 0204 of another business system or the business server 0205 of the external system 0210 to provide to the business application 0107.

The middleware 0401 includes an interface providing unit 0411, a processing logic incorporation management unit 0412, a data access unit 0413, an execution management table 0441, a policy 0442, a processing logic execution control unit 0414, a performance information collection unit 0415, and a system. A state monitoring unit 0416, a power supply / demand state monitoring unit 0417, and a data communication unit 0418 are included.

The interface providing unit 0411 corresponds to the interface providing unit 0101 described above. The processing logic incorporation management unit 0412 corresponds to the processing logic incorporation management unit 0102 described above. The data access unit 0413 corresponds to the data access unit 0103 described above. Each of the database access unit 0431 and the other system access unit 0432 corresponds to the adapter described above. The processing logic execution control unit 0414 corresponds to the processing logic execution control unit 0105 described above. The record information collection unit 0415 corresponds to the record information collection unit 0106 described above. The system state monitoring unit 0416 and the power supply / demand state monitoring unit 0417 correspond to the power supply / demand state / system state monitoring unit 0104 described above. The policy 0442 corresponds to the above-described policy 0151.

The interface providing unit 0411 receives a process call from the business application 0107 running on the application server 0203 via the data communication unit 0418 and returns a response to the application server 0203. The processing logic incorporation management unit 0412 incorporates and manages processing logic for performing business-oriented processing, and executes processing using the processing logic when the processing interface is called. The data access unit 0413 performs a data access process to a database, another business system, or an external system in response to a request from the processing logic managed and executed by the processing logic incorporation management unit 0412. The processing logic execution control unit 0414 refers to the execution management table 0441 and the policy 0442, and performs execution control such as execution order adjustment, execution feasibility determination, priority determination, and the like on the processing logic. The record information collection unit 0415 collects record information that is generated when the processing logic calls the data access unit 0413. The system state monitoring unit 0416 monitors the system state that is the state of the energy management system 0200 via the data communication unit 0418 and writes the system state information in the execution management table 0441. The power supply / demand status monitoring unit 0417 monitors the power supply / demand status as the power supply / demand status of the node 0206 via the data communication unit 0418, and writes the power supply / demand status information in the execution management table 0441. The data communication unit 0418 performs communication processing with other servers via the communication medium of the network 0213.

Processing interfaces provided for various business applications can be incorporated in the interface providing unit 0411 as a library 0421. Processing logic that provides processing for various business applications in the processing logic incorporation management unit 0412 can be incorporated as a library 0422. The processing interface provided by the interface providing unit 0411 and the processing logic provided by the processing logic incorporation management unit 0412 can be shared by at least a plurality of applications in the same business field.

The data access unit 0413 calls the database access unit 0431 when the request from the processing logic of the processing logic incorporation management unit 0412 is access to data managed by the data storage server 0202. The database access unit 0431 accesses the database managed by the data storage server 0202 via the data communication unit 0418, and acquires the corresponding data. Also, the data access unit 0413 accesses the other system when the request from the processing logic of the processing logic incorporation management unit 0412 is access to data managed by the business server 0204 of the other business system or the business server 0205 of the external system 0210. Call part 0432. The other system access unit 0432 accesses the business server 0204 or the business server 0205 via the data communication unit 0418, and acquires the corresponding data. By using the database access unit 0431 and the other system access unit 0432 by the data access unit 0413, the processing logic can access different access destinations such as the database such as the data storage server 0202, the business server 0204, and the business server 0205. Can do.

FIG. 5 shows the execution management table 0441.

The execution management table 0441 is referred to by the processing logic execution control unit 0414 when performing execution order adjustment, execution control, and the like to guarantee performance and reliability of demand response control work and the like. The execution management table 0441 includes a processing logic management table 0501, a normal execution queue 0502 (second queue), and a priority execution queue 0503 (first queue).

The processing logic management table 0501 has a record for each instance of processing by the processing logic. One record includes process identification information 0511, business type 0512, priority 0513, execution availability 5514, response time 0515, call cycle 0516, reference data result 0517, related equipment result 0518, connection destination result 0519, and latest update time 0510. Including.

The process identification information 0511 stores information for identifying a process. The business type 0512 stores the business type of the processing logic corresponding to the record. The priority 0513 stores the current priority assigned to the processing logic corresponding to the record. In the execution propriety 0514, the current execution propriety of the processing logic corresponding to the record is stored. The response time 0515 stores the response time when the processing logic corresponding to the record is called and executed. The call cycle 0516 stores a cycle when the processing logic corresponding to the record is called from the business application 0107. The reference data record 0517 stores the record of data referenced by executing the processing logic corresponding to the record. The related equipment record 0518 stores the related equipment record associated with the execution of the processing logic corresponding to the record. The connection destination record 0519 stores the connection destination record associated with the execution of the processing logic corresponding to the record. The connection destination is, for example, an access destination by the data access unit 0413. The latest update time 0510 stores the time when the data of 0511 to 0519 was last updated. Values in the items 0515 to 0519 are calculated from the performance information collected along with the execution of the processing logic corresponding to the record and stored.

The normal execution queue 0502 has a record for each process requested to the processing logic. One record includes a serial number 0521, registration time 0522, process identification information 0523, business type 0524, application identification information 0525, access destination 0526, execution order 0527, execution availability 0528, and latest update time 0529.

The serial number 0521 stores a serial number for uniquely identifying a record stored in the normal execution queue 0502. The registration time 0522 stores the registration time of the record corresponding to the serial number 0521. The process identification information 0523 stores information for identifying a process corresponding to the record. The business type 0524 stores the business type of the processing logic corresponding to the record. The application identification information 0525 stores information for identifying the business application that has called the process corresponding to the record. The access destination 0526 stores an access destination allocated at the current time of the process corresponding to the record. The execution order 0527 stores the execution order assigned at the current time of the process corresponding to the record. Execution propriety 0528 stores the execution feasibility at the present time of the processing corresponding to the record. The latest update time 0529 stores the time when the data 0521 to 0528 was last updated.

The priority execution queue 0503 has a record for each process requested to the processing logic. One record has a serial number 0531, registration time 0532, process identification information 0533, business type 0534, application identification information 0535, access destination 0536, execution order 0537, next start time 0538, related process serial number 0539, execution availability 0530, latest update Time 0542 is included.

The serial number 0531 stores a serial number for uniquely identifying a record stored in the priority execution queue 0503. The registration time 0532 stores the registration time of the record corresponding to the serial number 0531. The process identification information 0533 stores information for identifying a process corresponding to the record. The business type 0534 stores the business type of the processing logic corresponding to the record. The application identification information 0535 stores information for identifying the business application that has called the process corresponding to the record. The access destination 0536 stores the access destination allocated at the current time of the process corresponding to the record. The execution order 0537 stores the execution order assigned at the current time of the process corresponding to the record. The next start time 0538 stores the next process start time when the job type of the processing logic corresponding to the record is a demand response control job. The related process serial number 0539 stores a serial number 0531 of the demand response process to be executed next when the business type of the processing logic corresponding to the record is a customer facility related business. Execution propriety 0530 stores the execution propriety at the present time of the processing corresponding to the record. The latest update time 0542 stores the time when the data of 0531 to 0530 was last updated.

The execution management table 0441 further includes a wait queue that stores a process to be waited. The queue has a record for each process requested to the processing logic. One record may include a serial number, registration time, processing identification information, business type, application identification information, and the like, as in the normal execution queue 0502 and the priority execution queue 0503.

The business application execution management server 0201 uses the normal execution queue 0502 and the priority execution queue 0503 to distribute the processing according to the system state, the power supply / demand state, and the business type, and enters the priority execution queue 0503. Can be executed reliably.

FIG. 6 shows the policy 0442.

Policy 0442 defines the operation of processing logic. The policy 0442 has a record indicating priority allocation to the state for each business type. The state includes a power supply / demand state and a system state. One record includes a business type 0611, a power supply / demand state 0612, a system state 0613, and a continuation impossible time 0614.

Here, the business type 0611 indicates any of demand response control business, demand response non-control business, customer facility related business, non-control business, and system operation business. The demand response control business includes processing related to demand response control, such as demand prediction in demand response, planning, demand response instruction, facility control, and measurement. The demand response non-control business includes processing that is not demand response control, such as market cooperation and evaluation / settlement in demand response. The customer facility related business includes processing for the customer facility to be controlled by the demand response. The non-control job is a process not related to the demand response among the jobs of the energy management system 0200. The system operation business is processing related to the operation of the energy management system 0200.

The power supply / demand state 0612 defines a policy for assigning priority to the business type 0611 of the record for each of the steady state (0621) and the tight state (0622). The tightness is, for example, a case where the ratio of demand to power supply exceeds a predetermined ratio threshold.

The system status 0613 is normal (0631), minor abnormality (first abnormality) (0632), and serious abnormality (second abnormality) (0633). The policy for allocating priority to the job type 0611 of the record is defined. When the data storage server 0202 or the like includes a plurality of servers, and the plurality of servers perform load balancing, the minor abnormality is, for example, the number of failed servers among the plurality of servers is a predetermined first server number. This is the case where the number is less than the predetermined second server number (greater than the first server number). A serious abnormality is, for example, a case where the number of failed servers among a plurality of servers is greater than or equal to a predetermined number of second servers. For example, when the number of servers is N, the first server number may be 1 and the second server number may be N.

Also, when the continuation is impossible, 0614 defines a priority allocation policy for the business type of the business type 0611 of the record when the business cannot be continued. When the business application cannot be continued, the business application 0107 or the energy management system 0200 including control of demand response cannot be continued due to an increase in the load of the energy management system 0200 accompanying the increase of the business applications 0107. State.

For example, when the system state is normal and the power supply and demand state is steady, the demand response control processing is stored in the priority execution queue 0503 to maintain periodic execution, and the highest priority is given. In this case, the processing of the demand response non-control business is stored in the normal execution queue 0502, and is executed in the idle time of the processing of the demand response control business and the customer facility related business. In this case, the processing of the customer facility-related business includes the processing of collecting information on the customer facility that is the target of the demand response control business, and needs to be completed before the start of the demand response control business processing in each cycle. And stored in the priority execution queue 0503. In this case, the process of the non-control task is stored in the normal execution queue 0502 and is executed during the idle time of the process of the demand response control task and the customer facility related task, and given the priority specified by the user. In this case, the system operation work process is stored in the normal execution queue 0502 and executed during the idle time of the demand response control work and the customer facility related work process. As a result, the business application execution management server 0201 can reliably execute the processing of the periodic customer facility related business and the demand response control business.

For example, when the system state is normal and the power supply and demand state is tight, the processing of the demand response control work is stored in the priority execution queue 0503 in order to maintain periodic execution. Here, in the demand response control work, the operation planning and facility control processes are given higher priority than other processes. In this case, the processing of the demand response non-control business, the customer facility related business, the non-control business, and the system operation business is stored in the standby queue to be interrupted. As a result, the business application execution management server 0201 can reliably execute the operation planning and facility control processes in the periodic demand response control business. Therefore, the energy management system 0200 can cope with the tightness of the power supply and demand state by processing the demand response control business.

For example, when the system state is lightly abnormal, the demand response control processing is stored in the priority execution queue 0503 to maintain the periodic execution, and the highest priority is given. In this case, the process of the demand response non-control job is stored in the normal execution queue 0502 and is executed in the idle time of the process of the demand response control job, the customer facility related job, and the system operation job. In this case, the customer facility related business process is stored in the priority execution queue 0503 in order to be completed by the start of the demand response control business process. In this case, the process of the non-control task is stored in the normal execution queue 0502 and executed during the idle time of the demand response control task, the customer facility related task, and the system operation task, and the priority specified by the user Is given. In this case, the processing of the system operation work is stored in the normal execution queue 0502 and given higher priority than the priority of the demand response non-control work and the non-control work. It is executed during processing idle time. As a result, the business application execution management server 0201 can reliably execute periodic demand response control business and customer facility related business processing, and can preferentially execute system operation business processing. Therefore, the energy management system 0200 can cope with minor abnormalities in the system state by processing the system operation work.

For example, when the system state is seriously abnormal, processing of demand response control business, demand response non-control business, customer facility related business, and non-control business is discarded. In this case, processing of the system operation work is stored in the priority execution queue 0503 and given the highest priority. As a result, the business application execution management server 0201 can preferentially execute system operation business processing. Therefore, the energy management system 0200 can cope with a serious abnormality in the system state by processing the system operation work.

For example, when the operation of the energy management system 0200 cannot be continued, the demand response control job process is stored in the priority execution queue 0503, and the process for the preset important equipment in the demand response control job is , Given higher priority than processing for facilities other than critical facilities. In this case, the processes of the demand response non-control business, the customer facility related business, and the non-control business are stored in the normal execution queue 0502, but are stopped. In this case, the processing of the system operation work is stored in the priority execution queue 0503 and given higher priority than the processing for facilities other than the important facilities. As a result, the business application execution management server 0201 can preferentially execute processing for important facilities and processing for system operation business in the demand response control business. Therefore, the energy management system 0200 can perform a minimum process.

Hereinafter, the operation of the business application execution management server 0201 will be described.

The processing logic execution control unit 0414 executes an execution order determination process for determining the execution order of processes according to the policy 0442.

FIG. 7 is a flowchart showing execution order determination processing.

In 0701, the processing logic execution control unit 0414 receives a processing request from the business application 0107 using the processing interface. The processing requested here is called request processing. In 0702, the processing logic execution control unit 0414 acquires the system state, determines the system state, and shifts the flow to 0703 when the system state is normal. If the system state is lightly abnormal in 0702, the processing logic execution control unit 0414 increases the priority of processing in the system operation work in 0704. In 0702, the processing logic execution control unit 0414 determines the business type of the request processing in 0705 if the system state is seriously abnormal, and in 0706 if the business type of the request processing is other than the system operation business. The request is discarded, an error is returned to the business application 0107, and the flow is terminated (A). If the request processing is a system operation job in 0705, the processing logic execution control unit 0414 stores the request processing in the priority execution queue 0503 in 0707, and ends the flow (A).

In 0703, the processing logic execution control unit 0414 obtains the power supply / demand status, determines the power supply / demand status, and if the power supply / demand status is tight, determines the business type of the request processing in 0708, and If the job type is a demand response control job, the request process is stored in the priority execution queue 0503 in 0709, and the execution order is switched in the priority execution queue 0503 in accordance with the priority of the request process in 0711. This flow is finished (A). If the business type of the request processing is other than the demand response control business in 0708, the processing logic execution control unit 0414 stores the request processing in the waiting queue in 0710, and ends the flow (A). As a result, the processing logic execution control unit 0414 keeps the request processing in a waiting state until the power supply and demand state becomes steady.

If the processing logic execution control unit 0414 obtains the power supply / demand status in 0703 and is in a steady state, the processing logic execution control unit 0414 determines the business type of the request processing in 0712, and if the business type of the request processing is a demand response control business, In 0713, the request processing is stored in the priority execution queue 0503. In 0714, the execution order is changed according to the priority of the request processing in the priority execution queue 0503, and the flow is ended.

In 0712, the processing logic execution control unit 0414 stores the request processing in the normal execution queue 0502 in 0716 when the type of the request processing is not a demand response control job or a customer facility related job. Thereafter, the processing logic execution control unit 0414 refers to the policy specified by the user or the energy management system 0200 in 0717, and in 0718, the priority of the request processing obtained as a result of 0717 in the normal execution queue 0502 The execution order is changed according to the degree, and in 0719, the data access destination of the request process is allocated with reference to the result and result information of 0717, and the flow is ended (A).

In 0712, the processing logic execution control unit 0414 extracts information related to the facility that is the target of the request processing in 0715 when the business type of the request processing is the customer facility related business. After that, in 0720, the processing logic execution control unit 0414 reads 0721 when the equipment targeted for the request processing extracted by 0715 is the target of the demand response control work stored in the priority execution queue 0503. In the priority execution queue 0503, the request processing of the customer facility related business is assigned before the processing of the demand response control business. The processing logic execution control unit 0414, in 0720, in the case where the equipment that is the target of the request processing extracted in 0715 is not the target of the demand response control work stored in the priority execution queue 0503, in 0722, The request process is stored in the normal execution queue 0502. Thereafter, the processing logic execution control unit 0414 refers to the policy 0442 designated by the user or the energy management system 0200 in 0723, and in 0724, the priority of the request processing obtained as a result of 0717 in the normal execution queue 0502 The execution order is changed according to the degree, and in 0725, the access destination of the request processing is allocated with reference to the result and result information of 0723, and the flow is ended.

Here, for 0719 and 0725, the business application execution management server 0201 and the data storage server 0202 may prepare in advance replica data of the master data of the data required for the processing. For example, in 0725, when the processing logic execution control unit 0414 determines that the data reference frequency is higher than a preset reference frequency threshold based on the record information, the processing logic execution control unit 0414 allocates the access destination of the request processing to the duplicate data. . This avoids load generation due to concentration of access to the master data. For example, in 0719, the processing logic execution control unit 0414 may select replicated data as the access destination. Further, the policy 0442 may indicate whether or not access to the replicated data is possible.

According to the above flow, the business application execution management server 0201 determines the system status before determining the power supply / demand status, and when the system status is abnormal, the system application business processing is executed with priority. The reliability of the energy management system 0200 can be improved. Further, when the normal request processing is neither demand response control nor customer facility related business, the load of master data can be distributed by determining the replicated data as the access destination. Also, if the normal request processing is a customer facility related business and the target equipment is not the target of the demand response control business, the access destination is either master data or replicated data depending on the reference frequency By allocating to, the load can be distributed.

The processing logic execution control unit 0414 executes processing by processing logic and executes execution control processing for acquiring performance information of the processing.

FIG. 8 is a flowchart showing the execution control process.

The execution control process includes a priority execution control process 0801 that controls the execution of processes stored in the priority execution queue 0503, and a normal execution control process 0802 that controls the execution of processes stored in the normal execution queue 0502. .

In the priority execution control process 0801, the processing logic execution control unit 0414 determines the periodic execution timing in 0811. As a result, when the next period of control starts, the processing logic execution control unit 0414 reads the demand from the priority execution queue 0503 in 0812. Read response control processing. Thereafter, the record information collection unit 0415 records the start time of the process in 0813. Thereafter, the processing logic execution control unit 0414 executes the processing of the demand response control job read from the priority execution queue 0503 at 0812 at 0814. Thereafter, the record information collection unit 0415 acquires record information associated with the execution of the process of 0814 in 0815. Thereafter, in 0816, the record information collection unit 0415 records the end time of the process. Thereafter, the processing logic execution control unit 0414 returns the flow to 0811.

The processing logic execution control unit 0414 reads the processing of the customer facility related business from the priority execution queue 0503 in 0817 when the execution timing is determined in 0811 and, as a result, it is before the start of the next cycle of control, in 0817. Thereafter, the record information collection unit 0415 records the start time of the process in 0818. Thereafter, at 0819, the processing logic execution control unit 0414 executes the processing related to the customer facility-related work read from the priority execution queue 0503 at 0817. Thereafter, the record information collection unit 0415 acquires record information associated with the execution of the process of 0819 in 0810. Thereafter, the record information collection unit 0415 records the end time of the process in 0831. Thereafter, the processing logic execution control unit 0414 returns the flow to 0811.

Note that the record information collection unit 0415 can calculate the response time of the process from the start time and end time of the process recorded in 0813, 0816, 0818, and 0831.

In the normal execution control process 0802, the process logic execution control unit 0414 returns to the process of 0821 when it is not the free time of the control by the process of the demand response control job in 0821. The processing logic execution control unit 0414 reads the process from the normal execution queue 0502 in 0822 if the control free time is 0821 and the time is a control free time. Thereafter, the processing logic execution control unit 0414 records the start time of the processing in 0823. Thereafter, the processing logic execution control unit 0414 executes the processing at 0824 as a result of reading the normal execution queue at 0822. Thereafter, the record information collection unit 0415 acquires record information associated with the execution of the process of 0824 in 0825. Thereafter, the record information collection unit 0415 records the end time of the process in 0826. Thereafter, the processing logic execution control unit 0414 returns the flow to 0821.

Note that the performance information collection unit 0415 can calculate the response time of the process from the start time and end time recorded at 0823 and 0826.

According to the above flow, the business application execution management server 0201 can prioritize the periodic execution of the demand response control business process and the execution of the customer facility related business process before the demand response control business process. . As a result, even if the business application 0107 is added, periodic processing can be executed.

The processing logic execution control unit 0414 performs the operation continuation handling process to cope with the case where it is difficult to continue the operation of the energy management system 0200 due to resource depletion due to an increase in processing required from the business application 0107 Execute.

FIG. 9 is a flowchart showing the operation continuation handling process.

In 0901, the processing logic execution control unit 0414 calculates the execution state of the business application 0107 from the record information acquired by the execution control process. Thereafter, in 0902, the processing logic execution control unit 0414 can determine the business application execution status calculated in 0901 and continue the operations including the demand response control business and the operation of the energy management system 0200. If yes, repeat 0901. When the processing logic execution control unit 0414 cannot continue the operation including the demand response control operation and the operation of the energy management system 0200 in 0902, the processing logic execution control unit 0414 gives the system resource (calculation) to the user of the energy management system 0200 in 0903. Alarm notification indicating resource shortage. The alarm notification causes the display device to display that it is necessary to add system resources such as the processing device 0221, the storage device 0222, and the communication device 0223 in the business application execution management server 0201. Thereafter, the processing logic execution control unit 0414 stops all processing stored in the normal execution queue 0502 at 0904. Thereafter, the processing logic execution control unit 0414 refers to the power supply / demand state in 0905. Thereafter, in 0906, the processing logic execution control unit 0414 stops the low priority processing among the processing stored in the priority execution queue 0503 based on the reference result of 0905, and ends the flow. As a result, the energy management system 0200 performs a degenerate operation for executing a minimum necessary process. Thereafter, the energy management system 0200 performs the degenerate operation until measures such as system resource enhancement by the user are implemented.

According to the above operation continuation handling processing, the energy management system 0200 can continue the minimum necessary processing as the energy management system 0200 when system resources are insufficient. In particular, priority is given to demand response control work. Further, the energy management system 0200 displays an alarm notification indicating a shortage of system resources on the display device, whereby the user can take measures such as adding system resources.

In this embodiment, a case where the energy management system is a cloud environment will be described.

FIG. 10 shows an energy management system according to the second embodiment.

Compared with the first embodiment, the energy management system of the present embodiment has a cloud environment 1001 instead of the business application execution management server 0201, the data storage server 0202, the business server 0204, and the business server 0205. The cloud environment 1001 may be a plurality of servers or a single server.

The cloud environment 1001 is connected to the application server 0203.

The cloud environment 1001 executes service software 1011, service software 1012, and service software 1013. The service software 1011 corresponds to the business application execution management server 0201 according to the first embodiment, and includes an interface providing unit 0101, a processing logic incorporation management unit 0102, a data access unit 0103, a processing logic execution control unit 0105, and a power supply / demand state. / System state monitoring unit 0104, performance information collection unit 0106, and policy 0442 are included. The service software 1012 corresponds to the data storage server 0202 of the first embodiment, and sends communication messages from one or more nodes 0206 including one or more equipment and devices that execute control system applications to the control system dedicated network. The data included in the message is stored and managed in a database. The service software 1013 corresponds to the business server 0204 and the business server 0205, and executes middleware or applications related to other business.

The node 0206 is connected to the cloud environment 1001 via the network 0211.

The business application 0107 uses the processing interface provided by the interface providing unit 0101 to call the processing logic in the processing logic built-in management unit 0102 and cause the processing logic to be executed. The processing flow and system operation in the cloud environment 1001 are the same as in the first embodiment.

According to the present embodiment, a plurality of application servers 0203 and remote application servers 0203 can use the processing logic of the cloud environment 1001. Thereby, the cost of the cloud environment 1001 can be reduced.
In addition, the business application 0107 and the application server 0203 can be added, and the reliability of the cloud environment 1001 can be maintained even if there is an addition.

In each of the above embodiments, the energy management system includes a part that provides a processing interface for a business application, a part in which processing logic is incorporated, and a part that accesses data to a database or other business system from the business application. It has a separate framework configuration. In addition, the energy management system performs necessary processing while maintaining consistency with the actual operation contents, restrictions, and the like of the energy management system using middleware. As a result, it is possible to eliminate the creation of the business application to cope with the non-functional requirements. Also, business applications or processing logic can be added sequentially as needed for each business even after the start of operation of the energy management system.

In addition, the energy management system prioritizes preset processing by adjusting the execution order of processing based on the policy specified for the state of the power system and energy management system and the type of processing logic. And can be executed. In addition, when the operation of the energy management system becomes impossible due to an increase in processing logic or business applications, the reliability of the energy management system is maintained by performing alarm notification and degeneration according to the power supply and demand status be able to. As a result, in order to maintain reliability and stability as social infrastructure such as electric power and smart grid, applications are added sequentially, and even if pressure on system resources and load increase occur, control applications such as demand response It is possible to ensure stable operation and guarantee the consistency and stability of the entire energy management system.

In addition, along with the expansion of the energy management system, even if access processing for data managed by the energy management system is added after the operation of the energy management system, the operation of existing processing such as control is guaranteed, The integrity and stability of the entire energy management system is also guaranteed. In particular, processing of demand response control work requiring performance and reliability is stably executed. Since it is difficult to estimate the scale of business applications and the scale of data after the start of system operation at the time of system construction, the configuration of each embodiment is useful in an energy management system that can vary depending on the operation.

The present invention is not limited to the above embodiments, and can be modified in various other forms without departing from the spirit of the present invention.

0101: Interface providing unit, 0102 ... Processing logic incorporation management unit, 0103 ... Data access unit, 0104 ... System state monitoring unit, 0105 ... Processing logic execution control unit, 0106 ... Performance information collection unit, 0107 ... Business application, 0151 ... Policy , 0200 ... energy management system, 0201 ... business application execution management server, 0202 ... data storage server, 0203 ... application server, 0204 ... business server, 0206 ... node, 0210 ... external system, 0221 ... processing device, 0222 ... storage device, 0223 ... Communication device

Claims

An energy management system,
A storage device;
A communication device connected to a node using energy and connected to a computer executing at least one business application for managing the energy;
A processing device connected to the storage device and the communication device;
With
The storage device stores processing logic indicating specific processing used by the business application, and interface logic indicating an interface for calling the specific processing,
The processing device is
Accept the call of the specific process from the business application according to the interface logic,
Monitoring the state of the energy management system,
Monitoring the energy state which is the state of the energy;
Based on the correlation between the system state, the energy state, and the specific process, determine an execution period of the specific process,
Executing the specific process according to the processing logic in the execution period;
Energy management system.
The processing device stores additional processing logic and interface logic indicating an interface for invoking processing of the additional processing logic in the storage device.
The energy management system according to claim 1.
The storage device stores a plurality of processing logics and a policy indicating a priority with respect to the plurality of processing logic types,
The plurality of processing logics include processing logic for periodic control work of the node and processing logic for other work,
The processing device avoids the execution period of the control work process based on the policy and sets the execution period of the other work process.
The energy management system according to claim 2.
The energy is power of a power system including the node,
The node includes customer equipment,
The energy state indicates a state of supply and demand of the power,
The control task controls the node in demand response.
The energy management system according to claim 3.
The plurality of processing logics further include processing logic for customer facility related work for acquiring the state of the customer facility,
The processing device, based on the policy, sets the execution period of the processing of the customer equipment related work before the execution period of the processing of the control work,
The energy management system according to claim 4.
The energy status indicates whether the supply and demand of the power is tight,
The policy indicates a priority for the energy state and the type;
The priority of the customer facility-related business when the energy state is the tightness is higher than the priority of the customer facility-related business when the energy state is not the tightness,
The energy management system according to claim 5.
The plurality of processing logics further include processing logic for operation work of the energy management system,
The system state indicates one of a normal state of the energy management system, a first abnormal state, and a second abnormal state that is more serious than the first abnormal state,
The policy indicates a priority for the energy state, the system state, and the type;
The priority of the operation task when the system state is the first abnormal state is higher than the priority of the operation task when the system state is the normal state,
The priority of the operation task when the system state is the second abnormal state is higher than the priority of the operation task when the system state is the first abnormal state,
The priority of processing other than the operation business when the system state is the second abnormal state indicates interruption of processing other than the operation business.
The energy management system according to claim 4.
The policy indicates any of a plurality of queues including a first queue and a second queue for the energy state, the system state, and the type;
The processing device selects the plurality of queues based on the policy in response to a call to the specific process, stores the specific process in the selected queue,
The processing device executes the process stored in the first queue in preference to the process stored in the second queue;
The energy management system according to claim 5.
The storage device stores replica data of master data stored in a database;
The processing device selects the replicated data as an access destination of the specific process based on the type of the specific process.
The energy management system according to claim 1.
The processing device stores the performance of processing execution in the storage device,
The processing device selects either the master data or the replicated data as the access destination based on the type of the specific process and the performance information.
The energy management system according to claim 9.
When it is determined that the computing resource of the energy management system is insufficient, the processing device displays information indicating the shortage on a display device, selects a process based on the policy, and other than the selected process Stop processing,
The energy management system according to claim 3.
The storage device stores access logic indicating access by the specific process,
The processing device determines an execution period of the specific process and an access destination of the specific process based on the system state and the energy state, and accesses the access destination according to the access logic according to the execution of the specific process. To
The energy management system according to claim 1.
The processing device receives data repeatedly transmitted from the node, stores the data in a database,
When the specific process requests the stored data, the processing device reads the stored data from the database according to the access logic and provides the read data to the business application.
The energy management system according to claim 12.
An execution method of at least one business application including control of a node using energy,
Using a computer system that stores a processing logic indicating a specific process used by the business application and an interface logic indicating an interface that calls the specific process, the call of the specific process by the business application is received according to the interface logic,
Using the computer system, monitor the system state that is the state of the energy management system,
Using the computer system, monitor the energy state that is the state of the energy,
Using the computer system, based on the correlation between the system state, the energy state and the specific process, determine the execution period of the specific process,
Using the computer system, executing the specific process according to the processing logic in the execution period,
How to do that.