KR101441435B1 - Operating method of distributed multi-layer system for weapon based on service-scale - Google Patents

Abstract

Disclosed is an operating method of a distributed multimedia system for a weapon system based on a service unit. According to the embodiments of the present invention, an operator sets a desirable service and a degree of service availability and each node is controlled by referring to information about the operation state and availability of each local node based on the set service and degree of service availability, thereby easily applying a redundant operation suitable for various features in system operation. Also, service management suitable for situations can be achieved and the availability of the nodes can be improved by reflecting the state monitoring information of the entire system in the redundant operation of the local node for each service.

Description

[0001] DESCRIPTION [0002] OPERATING METHOD OF DISTRIBUTED MULTI-LAYER SYSTEM FOR WEAPON BASED ON SERVICE-SCALE [

The present invention relates to a method of operating a distributed multi-layer system for a weapon system based on a service unit.

In recent years, as the battlefield environment has changed to precise striking and network centering, weapons systems have become more sophisticated and refined. In addition, the weapon system is gradually changing from a simple mission to a complex mission for optimal operation in accordance with environmental changes. To meet this demand, the center of the weapon system is shifting from hardware to software.

On the other hand, unlike general software, the built-in weapon system software has a high hardware dependency because it has each control purpose according to the characteristics of the specific hardware. In addition, the built-in weapon system software must be able to support real-time processing in response to changes in the battlefield and heterogeneous system state, so that the real-time performance must be high. In order to prevent fatal consequences of software malfunction or sudden shutdown, Is required. In addition, recent software upgrades due to the increased complexity of system functions have also increased the complexity of the embedded system software.

Accordingly, the weapon system embedded software is gradually segmented into independent and reusable units to satisfy both hardware dependency, real-time nature, high reliability, and complexity. As a result, embedded system software is evolving to improve the reliability of the overall system, while reducing software complexity and increasing flexibility.

On the other hand, the general structure of the built-in weapon system software consists of three layers: system software, middleware, and application software. The system software layer includes the operating system and network, graphics, and device drivers. In addition, the middleware layer is composed of a middleware and a library supporting a common middleware and a specific application field. The weapon system embedded software may be composed of a complex structure including all of the aforementioned layers, or may include only a part of the hierarchy.

The middleware layer of the weapon system embedded software is preferably composed of a multi-layered service system so that it can operate in a heterogeneous distributed environment in order to integrally operate and control the heterogeneous plural robots and the command and control vehicles. According to this, it is possible to efficiently share the electric field information and the status information of the system under components in real time. In addition, by lowering the degree of coupling between each unit service, various combinations can be made, and accordingly, it is possible to effectively cope with mission fulfillment demands with high degree of complexity and degree of change.

In this way, dividing the high-level components used in existing weapon system embedded software into smaller independent service units requires measures to effectively operate each service.

Accordingly, embodiments of the present invention operate a distributed multi-layer system for weapon systems based on service units, control the state of each local node by setting the service and service availability levels desired by the operator, It is an object of the present invention to provide a distributed multi-layer system for a weapon system based on a highly reliable service unit by reflecting the result of status monitoring to the entire system.

A method for operating a distributed multi-layer system for a weapon system based on a service unit according to an exemplary embodiment of the present invention includes: receiving a service and service availability level to be performed by a distributed multi-layer system for the weapon system; Checking whether the distributed multilevel system for the weapon system is executable according to the received service and service availability level, and generating at least one status control message including the service and service availability level, Wow; Converting the generated state control message into a local state control command for each of a plurality of local nodes; Controlling respective states of the plurality of local nodes according to the local state control command; Monitoring the state of the distributed multilevel system for the weapon system by periodically monitoring the available state and operation state of each of the plurality of local nodes and providing the monitoring result to the distributed multilevel system for the weapon system; .

In one embodiment, the service availability level includes at least one of a minimum operation mode, a redundant operation mode, and a maximum operation mode according to the number of local nodes required for operation.

In one embodiment, the step of generating the status control message includes the steps of: checking an operation policy and compliance for an input service availability level and generating a warning alarm upon discrepancy; Comparing the number of local nodes required for operation of the received service availability level with the number of currently available local nodes, and determining whether to reduce or expand the service availability level according to the comparison result; And setting an execution priority for a plurality of local nodes necessary for operation of the received service availability level.

In one embodiment, the state control message includes the determined service availability level and the set execution priority, and the generating of the state control message comprises sending the generated state control message to the plurality of local nodes Further comprising the steps of:

According to the operation method of the distributed multi-layer system for the weapon system based on the service unit according to the embodiment of the present invention, it is possible to set the desired service and service availability level by the operator, and to set the state corresponding to the set service and service availability level It checks whether the change request is executable in the system, and controls the state of each node by referring to the available state and operation state information of each local node based on the set service and service availability level, It is possible to more easily apply the corresponding redundant operation method, thereby contributing to user convenience.

In addition, according to the operation method of the distributed multi-layer system for the weapon system based on the service unit according to the embodiment of the present invention, when the local node is operated redundantly for each service, the state monitoring information of the whole system is reflected, Effective service operation is possible. Also, there is an effect that the service availability is increased and the reliability of the entire system is improved.

1 is a flowchart illustrating an operation procedure of a distributed multi-layer system for a weapon system based on a service unit according to an embodiment of the present invention.
2 is a diagram illustrating an example of a user interface for setting a service availability level according to an embodiment of the present invention.
3 is a flowchart illustrating a process of generating a status control message based on a set service availability level according to an embodiment of the present invention.
4 is an exemplary diagram illustrating local state control information for each local node for each service in accordance with an embodiment of the present invention.
5 is an exemplary chart showing the availability status information for each local node, in accordance with an embodiment of the present invention.
6 is an exemplary diagram illustrating operational state information for each local node, in accordance with an embodiment of the present invention.

Hereinafter, a method of operating a distributed multi-layer system for a weapon system based on a service unit according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they may obscure the subject matter of the present invention.

The present invention relates to a method of operating a distributed multi-layer system for a weapon system based on a service unit, wherein an operator sets a service availability level corresponding to an operation level for each service, And controls the execution state of the service unit according to the set service availability level.

The distributed multi-layer system for the weapon system according to the present invention includes an availability level setting service for receiving a service and a service availability level from an operator, an availability level setting service for checking availability of the status change request, A state control service for converting a state control command into a local state control command for each local node, a local state control service for actually controlling the state of each local node, an availability state and operation of the local node, And a state monitoring service for monitoring the state of the entire system by collecting local state monitoring information for the local node.

Here, the availability level setting service is located in the common application service layer of the distributed multi-layer system for the weapon system, the state management service is located in the integrated service layer, the state control service and the state monitoring service are included in the distributed service layer, The local state control service and the local state monitoring service belong to the local service layer.

Asynchronous message transmission method is used between multi - layer services to minimize the inter - service coupling and dependency. That is, it is desirable to perform asynchronous data exchange in message exchanges between local nodes and local internal messages exchanges.

In addition, the availability level setting service provides a service including a user interface for interacting with an operator so that an operator can directly set the service availability level and check the current service availability setting status.

Referring to FIG. 1, a method of operating a distributed multi-layer system for a service-based weapon system according to an embodiment of the present invention will be described in detail.

First, a service and service availability level to be performed by the distributed multi-layer system for the weapon system is input (S10). The service availability level setting process is performed in the availability level setting service belonging to the common application service layer.

In this regard, FIG. 2 shows an example of a user interface for receiving service and service availability levels to be performed by an operator. As shown in the figure, the service availability level is set by first selecting a service for which the availability level is desired, selecting an availability level and a synchronization method for the selected service, and then pressing a setting button. The setting result is displayed on the operator screen, and the set information is transmitted to the state management service belonging to the integrated service layer.

Here, the selectable service objects include all the services provided by the distributed multi-layer system.

In addition, the availability level can be selected from among a minimum operation, a redundant operation, and a maximum operation mode according to the number of nodes required for operation.

Specifically, the minimum operating mode refers to the minimum service operating mode required to maintain system operation. That is, the minimum operation method is a method of automatically controlling the service operation according to the predefined minimum number of operational nodes per service. In addition, the redundant operation method is a method of controlling the service operation in a redundant manner according to the number of redundant operation request nodes directly inputted by the operator. In addition, the maximum operation method is a method in which the service is controlled so that the maximum number of usable nodes allowed by the system are automatically operated redundantly.

Optionally, within step S10, an option may be provided to selectively operate the synchronization scheme for each service-specific redundancy operation. Alternatively, it may be operated as Active or Standby by default.

Specifically, there are an active scheme and a standby scheme in a general multiplexing scheme. The active method is a method in which the same module is operated at the same time, and it is essential to operate the active method in a system in which automatic switching is not possible. On the other hand, there are three operating modes of the Standby method: Hot, Warm and Cold, and they differ in the switching time.

The state management service then checks whether the distributed multi-tier system for the weapon system is feasible in accordance with the entered service and service availability levels and, if feasible, at least one And generates a status control message (S20).

Next, the state control service converts the generated state control message into a local state control command for each of a plurality of local nodes (S30).

FIG. 4 illustrates an exemplary state control message generated by the state management service. Determines the synchronization method of each corresponding local node, and provides it to the local service control layer to receive the local state control service.

As shown in FIG. 2, as for the service A, two are set as the number of redundant operation requesting nodes, and all of the synchronization methods adopt Active. Therefore, regardless of the execution priority, both nodes operate in an active state. For service B, three are set as the number of redundant operation request nodes. Therefore, the execution states of the nodes for service B are 'Cold-Standby', 'Active', and 'Warm-Standby' in order of 'Node 3', 'Node 1' .

Then, the local state control service controls the state of each of the plurality of local nodes according to the local state control command (S40). Specifically, the local state control service executes, terminates, or stops the execution state of a service configured in real process units so that the local state control service can access the subordinate constituent devices and resources through the system software layer according to the local state control command and can be synchronized in a specified manner .

In addition, the local state monitoring service periodically monitors the availability state and operation state of resources and services of the node, and transmits the state monitoring service. More specifically, the local state monitoring service of the local layer accesses the subordinate devices and resources through the system SW layer, collects the operation state information, determines the availability state, and provides the state monitoring service so that it can be collected at the distributed layer. Here, the local state monitoring service is preferably located at every local node.

The state monitoring service collects and collects the monitoring results of each node from the local state monitoring service. More specifically, in the state monitoring service of the distributed layer, all the available state and operation state are received from each local state monitoring service and periodically collected, and the available state information and operation state information of the entire local node can be used in the other service . Here, the state monitoring service of the distributed layer operates on at least one node and is operated in a form of receiving the collected state messages from the respective local nodes.

In addition, the criterion for determining the available state of each node is compared with the allowable value of the predefined system resource utilization rate, and the comparison results are presented as availability, degradation of function, and unavailability. At this time, if the function is not available or the service is degraded, the operation is performed by being restricted in the execution of the new service.

In this regard, FIG. 5 and FIG. 6 show available state information and operation state information for each local node collected in the state monitoring service of the distributed layer. 5 illustrates an example of the available state information of each resource based on the resource operation state information of each local node. FIG. 6 illustrates an example of available state information of each resource collected based on the information collected from the local- It shows an example of service operation status and availability status information for a node.

3, the state management service belonging to the integrated service layer of the system generates a state control message according to a set service availability level.

First, the state management service examines the operation policy and the compatibility for the input service availability level (S21). To this end, it is required to receive the predefined operational policy information for the availability level and the availability status information for the local node.

If the input service availability level is inconsistent with the operation policy, a warning alarm or re-input request message can be generated. For example, if the number of request nodes corresponding to the received service availability level is not between the number of nodes required for minimum operation and the number of available nodes, the operator can be warned to induce re-entry.

Then, the number of local nodes required for operation of the received service availability level is compared with the number of currently operated local nodes to determine whether to reduce or expand the service availability level (S22). To do this, information on the service availability level and the availability status of the entire local node are required.

For example, if the received service availability level is a redundant operation method, the number of redundant operation request nodes input by the operator is compared with the number of services currently operated on each local node, And determines whether to perform the operation. Extended operation refers to the case where additional service execution is required in the current state, and the reduced operation refers to a case where some services should be terminated in the current state.

Then, an execution priority is set for each of a plurality of local nodes necessary for operation of the inputted service availability level (S23). To this end, it is required to receive operating status information of resources and services for the entire local node.

Specifically, when the service usability level is reduced, the service with the lowest execution priority is terminated. When the service availability level is expanded and operated, for example, an execution priority is set in the order of higher availability based on the information of the current operation state of the CPU, the memory, and the storage device.

In another embodiment, when reflecting the resource occupation amount of each service, the execution priority may be set by setting a specific local node to the highest priority or excluding it last. In this case, the resource occupancy information of each service should also be considered in step S23.

The state control message including information of the finally determined service availability level and execution priority is transmitted to the state control service and transmitted (S24).

As described above, in the detailed description of the present invention, the embodiments of the service-based operation method of the distributed multi-layer system for the weapon system have been described. However, various modifications may be made without departing from the scope of the present invention to be. Therefore, the scope of the present invention should not be construed as being limited to the embodiments described, but should be determined by the scope of equivalents to the appended claims, as well as the appended claims.

As described above, according to the operation method of the distributed multi-layer system for the weapon system based on the service unit according to the embodiment of the present invention, it is possible to set the desired service and service availability level by the operator and to correspond to the set service and service availability level The state of each node can be checked by referring to the available state and operation state information of each local node based on the set service and service availability level, It is possible to more easily apply the redundant operation method conforming to the characteristic, thereby providing user convenience. Also, by reflecting the state monitoring information of the whole system in the redundant operation of the local node for each service, effective service operation corresponding to the situation can be performed and the availability of the node can be increased.

Claims (4)

Receiving a service and service availability level to be performed by a distributed multi-layer system for the weapon system;
Wherein the state management service checks the availability of the distributed multi-tier system for the weapon system according to the input service and service availability levels and, if feasible, at least one state control including the service and service availability levels Generating a message;
The state control service converting the generated state control message into a local state control command for each of a plurality of local nodes;
Controlling a state of the plurality of local nodes according to the local state control command, respectively; And
Monitoring the state of the distributed multilevel system for the weapon system using the monitoring result, and monitoring the state of the distributed multilevel system for the weapon system; ≪ / RTI >
Service - based Distributed Multilayer System for Weapon Systems. The method according to claim 1,
The service availability level is a service availability level,
A redundant operation mode, and a maximum operation mode according to the number of local nodes required for the operation.
A Method of Operation of a Distributed Multilevel System for Weapon Systems. 3. The method according to claim 1 or 2,
The generating of the state control message may include:
Checking operation policies and incompatibilities for the received service availability level, and generating a warning alarm upon discrepancy;
Comparing the number of local nodes required for operation of the received service availability level with the number of currently available local nodes and determining whether to reduce or expand the service availability level according to the comparison result;
Setting an execution priority for a plurality of local nodes necessary for operation of an input service availability level; And
And generating and transmitting a status control message to the status control service.
A Method of Operation of a Distributed Multilevel System for Weapon Systems. The method of claim 3,
Wherein the status control message further includes information determined according to a service availability level set by an operator,
A Method of Operation of a Distributed Multilevel System for Weapon Systems.

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