CN104536325A - Method and device for determining LED control system strategy - Google Patents
Method and device for determining LED control system strategy Download PDFInfo
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- CN104536325A CN104536325A CN201410850393.5A CN201410850393A CN104536325A CN 104536325 A CN104536325 A CN 104536325A CN 201410850393 A CN201410850393 A CN 201410850393A CN 104536325 A CN104536325 A CN 104536325A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
Abstract
The invention provides a method for determining an LED control system strategy. The method comprises the steps that when it is detected that an external event occurs, feature data of the external event are acquired; at least one service rule matched with the feature data is determined from a preset strategy library through a preset rule engine; the service rules are executed one by one according to a preset sequence. The invention further provides a device for determining the LED control system strategy. According to the method and device, the strategy matching speed can be improved.
Description
Technical field
The present invention relates to computer technology, particularly relate to method and device that one determines light emitting diode (LED, LightEmitting Diode) control system strategy.
Background technology
Strategy is a set of guidance and the business rule determining the system resource (as: power supply, voltage etc.) how managing, distribute and control in LED control system.These business rules define the reaction rule that in control system, entity should change to external world.Namely an entity object is when being subject to outside effect, and internal state there occurs change thereupon, so the internal state meeting certain condition triggers again the reaction to outside, performs certain action.The countless objects having self rule of conduct, interact with each other, jointly determine the behavior of control system entirety.Along with the development of LED control technology, strategy is widely applied in LED control system, but in the prior art, the general if statement that uses forms strategy matching, the comparatively slow and occupying system resources of matching speed.In addition, when running into business rule and changing, also must relevant code be modified, even and each slight process such as change all needs experience exploitation, testing authentication is reached the standard grade, Change cost is larger, and the time becomes more and more difficult maintenance once long control system.
Summary of the invention
In view of this, the invention provides a kind of method and the device of determining LED control system strategy, strategy matching speed can be improved.
A kind of method determining LED control system strategy that the embodiment of the present invention provides, comprising: when having detected that external event occurs, obtaining the characteristic of described external event; By preset regulation engine, from preset policy library, determine at least one business rule matched with described characteristic; According to the order preset, perform described business rule one by one.
Whether a kind of device determining LED control system strategy that the embodiment of the present invention provides, comprising: detection module, have external event to occur for detecting; Acquisition module, for when described detection module has detected that external event occurs, has obtained the characteristic of described external event; Matching module, for by preset regulation engine, determines at least one business rule that the described characteristic obtained with described acquisition module matches from preset policy library; Execution module, for according to the order preset, performs the described business rule that described matching module matches one by one.
The method of the determination LED control system strategy that the embodiment of the present invention provides and device, by preset regulation engine, at least one business rule matched with the characteristic of the external event occurred is determined from preset policy library, be different from prior art the strategy matching using if statement to form, the speed of strategy matching can be improved.
For above and other object of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, be described in detail below.
Accompanying drawing explanation
A kind of applied environment figure determining the method for LED control system strategy that Fig. 1 provides for the embodiment of the present invention.
A kind of process flow diagram determining the method for LED control system strategy that Fig. 2 provides for first embodiment of the invention.
A kind of process flow diagram determining the method for LED control system strategy that Fig. 3 provides for second embodiment of the invention.
A kind of structural representation determining the device of LED control system strategy that Fig. 4 provides for third embodiment of the invention.
A kind of structural representation determining the device of LED control system strategy that Fig. 5 provides for fourth embodiment of the invention.
Embodiment
For further setting forth the present invention for the technological means that realizes predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the specific embodiment of the present invention, structure, feature and effect thereof, be described in detail as follows.
First embodiment
Refer to Fig. 2, a kind of process flow diagram determining the method for LED control system strategy that Fig. 2 provides for first embodiment of the invention.The method that the present embodiment provides can be applicable to the LED control system shown in Fig. 1, determine corresponding business rule by the main control equipment 101 in this LED control system according to the external event occurred and perform, to realize management to system resources such as LED display device 102, sound devices 103, distribution and control.As shown in Figure 2, the method comprises:
Step S101, when having detected that external event occurs, has obtained the characteristic of this external event;
Can be, but not limited to comprise of external event receives the information data that external unit sends, the temperature data of the current display screen shell that such as temperature monitoring apparatus sends, brightness data of the lamp point that LED display sends etc.When main control equipment receives the information data of external unit transmission, define external event to occur, obtaining this information data as the characteristic of this external event puts it into treatment pond, as, obtain this temperature data that temperature monitoring apparatus sends, and it can be used as the characteristic of occurred external event.
Step S102, by preset regulation engine, determines at least one business rule matched with this characteristic from preset policy library;
All kinds of business rules corresponding with all kinds of LED control system with different hardware structure are stored in preset policy library.The code of this business rule adopts declarative programming method to write.Particularly, when having detected that external event occurs, main control equipment utilizes preset matching algorithm by this regulation engine, each business rule that this characteristic in treatment pond and this business rule are concentrated is compared, to concentrate at least one business rule that can perform determined and match with this characteristic from this business rule, and put into treatment pond.
Step S103, according to the order preset, performs this business rule one by one.
According to the business rule matched in the prioritization treatment pond preset, and manage conflict according to rule constrain and generate business rule queue, then sequentially perform each bar business rule in this business rule queue one by one.
The method of the determination LED control system strategy that the embodiment of the present invention provides, by preset regulation engine, at least one business rule matched with the characteristic of the external event occurred is determined from preset policy library, be different from prior art the strategy matching using if statement to form, the speed of strategy matching can be improved.
Second embodiment
Refer to Fig. 3, a kind of process flow diagram determining the method for LED control system strategy that Fig. 3 provides for second embodiment of the invention.The method that the present embodiment provides can be applicable to LED control system as shown in Figure 1, determine corresponding business rule by the main control equipment 101 in this LED control system according to the external event occurred and perform, to realize management to system resources such as LED display device 102, sound devices 103, distribution and control.As shown in Figure 3, the method comprises:
Step S201, generates according to user's first instruction obtains this first generation instruction sensing respectively goal condition from preset condition storehouse, obtains the goal behavior that this first generation instruction is pointed to from preset behavior storehouse;
Preset the condition storehouse for generating target service rule and behavior storehouse in main control equipment, and for storing the policy library of all kinds of target service rule, and can be the interactive interface that user provides default.
In the present embodiment, user selects the behavior of condition and the correspondence thereof comprised in target service rule to be generated by this interactive interface.Main control equipment receives the first generation instruction that user triggers in the selection operation of this interactive interface, obtain the goal condition of this first generation instruction sensing according to this first generation instruction respectively from this condition storehouse, obtain the goal behavior that this first generation instruction is pointed to from behavior storehouse.Such as: can comprise in this interactive interface: comprise all alternative conditions in this condition storehouse (as, temperature is greater than 50 DEG C, relative humidity is less than 10% etc.) the condition selection window of identification information, comprise all alternative action (as: powered-down in this maneuver library, increase voltage etc.) the Action Selection window of identification information, main control equipment is according to the operation of user at this condition selection window and this Action Selection window, obtain this user in this condition storehouse respectively and point in the clicking operation of this condition selection window the subject performance that in goal condition and this maneuver library, this user points in the clicking operation of this Action Selection window.
In other embodiments, main control equipment generates instruction according to user's second, and the appointed information in the condition comprise this second rule generating instruction sensing replaces with the information of user's input, to generate goal condition; Action in the rule point to this second generation instruction is as subject performance.Particularly, this second rule generating instruction sensing can be one or a rule-like.Such as: assuming that this second generates " temperature " that designate the information as in the condition " when temperature variation is more than the first numerical value in 5 minutes " that the business rule " when temperature variation is more than the first numerical value in 5 minutes; powered-down " in policy library comprises that instruction points to, the information of user's input is " humidity ", then generate goal condition " when humidity change was more than the first numerical value in 5 minutes ", and by " powered-down " as subject performance.Or assuming that this second generates " temperature " in all temperature classes business rules designating the information as in policy library that instruction points to, the information of user's input is " humidity ", then " temperature " in all temperature classes business rules is replaced with " humidity " to generate the goal condition for generating all humidity class target business rules, using the action in this all temperature classes business rule as subject performance.
Step S202, generates target service rule according to this goal condition and this goal behavior according to preset create-rule, and is stored in this policy library;
Particularly, service regeulations language or state machine, be stored in preset policy library according to this goal condition and this goal behavior objective definition business rule.Wherein, the code of this target service rule adopts declarative programming method to write.
Step S203, when having detected that external event occurs, has obtained the characteristic of this external event;
Can be, but not limited to of external event comprises: receive the information data that external unit sends, the temperature data of the current display screen shell that such as temperature monitoring apparatus sends, brightness data of the lamp point that LED display sends etc.When main control equipment receives the information data of external unit transmission, define external event to occur, obtaining this information data as the characteristic of this external event puts it into treatment pond, as, obtain this temperature data that temperature monitoring apparatus sends, and it can be used as the characteristic of occurred external event to put into treatment pond.
Step S204, by preset regulation engine, determines at least one business rule matched with this characteristic from preset policy library;
In the present embodiment, all business rules stored in policy library are configured to Rapid matching structure (as Rete network) in preset regulation engine, for doing the Rapid matching of business rule.This regulation engine extracts the business rule collection corresponding with current control system and is buffered in internal memory from policy library, when having detected that external event occurs, this regulation engine utilizes Fast Match Algorithm, each rule that this characteristic in treatment pond and this business rule are concentrated is compared, to concentrate at least one business rule that can perform determined and match with this characteristic from this business rule, and put into treatment pond.
Step S205, according to the priority preset and this business rule, generates business rule queue;
The business rule matched in treatment pond is arranged according to the priority defined, and manages conflict according to rule constrain and generate business rule queue, sequentially to perform execution example corresponding to each business rule according to this business rule queue.
Step S206, order performs respectively this business rule in this business rule queue;
Step S207, when a business rule is finished, judges whether have object generation state to change in internal memory;
The status object comprising status information is stored in internal memory, and the event object of the outer bound pair systemic effect of representative and the effect of system external circle.In processing procedure, in internal memory, original status object and event object can be deleted, and also can create new status object and event object simultaneously.When a business rule is finished, judge in internal memory, whether have object state change to occur, as whether having the variable of list related to there occurs change because of the execution of this business rule.
If so, then perform step S208, if not, then perform step S209;
Step S208, according to the amount of state variation of this object, upgrades this business rule queue, and performs step S206;
Behavior part due to the business rule performed may change the data object of workspace, thus can make some business rule in business rule queue because condition changes and lose efficacy, and also may activate the business rule originally do not satisfied condition.Therefore, when a business rule is finished, if have in internal memory, object is subject to the impact of execution result and the state that occurs changes, then obtain the amount of state variation of the object changed, by regulation engine according to this amount of state variation, upgrade this business rule queue, such as: obtain and delete the business rule lost efficacy in this business rule queue; From the rule set of buffer memory, determine the new business rule matched with this amount of state variation, and added this business rule queue; Then to resequence this business rule queue according to the priority preset.
Step S209, performs next business rule.
If when a business rule is finished, then continue to perform next business rule, until all business rules in this business rule queue are all finished without any the change of object generation state in internal memory.
The method of the determination LED control system strategy that the embodiment of the present invention provides, Fast Match Algorithm is utilized by preset regulation engine, at least one business rule matched with the characteristic of the external event occurred is determined from preset policy library, be different from prior art the strategy matching using if statement to form, the speed of strategy matching can be improved.In addition, target service rule is generated by the goal condition that points to according to the generation instruction of user based on declarative programming method and goal behavior, greatly can improve the readability of business rule code, avoid in prior art because business rule changes the recompility brought and the problem redeployed, developer is made not need too much to pay close attention to service logic (namely, judge what there occurs according to various situation), and only need to be absorbed in applied logic (namely, which type of process is carried out) when what there occurs, thus compatibility and the extendability of LED control system can be improved, make system more easy care.
3rd embodiment
Refer to Fig. 4, a kind of structural representation determining the device of LED control system strategy that Fig. 4 provides for third embodiment of the invention.This device that the present embodiment provides can be used for realizing a kind of method determining LED control system strategy that above-mentioned first embodiment provides.As shown in Figure 4, the device 30 of the determination LED control system strategy in the present embodiment comprises:
Whether detection module 31, have external event to occur for detecting;
Acquisition module 32, for when detection module 31 has detected that external event occurs, has obtained the characteristic of this external event;
Matching module 33, for by preset regulation engine, determines at least one business rule that this characteristic obtained with acquisition module 32 matches from preset policy library;
Execution module 34, for according to the order preset, performs this business rule that matching module 33 matches one by one.
The present embodiment, to the detailed process of each Implement of Function Module function separately of device 30 determining LED control system strategy, refers to the particular content of above-mentioned Fig. 1 to middle description embodiment illustrated in fig. 3, repeats no more herein.
The device of the determination LED control system strategy that the embodiment of the present invention provides, by preset regulation engine, at least one business rule matched with the characteristic of the external event occurred is determined from preset policy library, be different from prior art the strategy matching using if statement to form, the speed of strategy matching can be improved.
4th embodiment
Refer to Fig. 5, the structural representation of the device of the determination LED control system strategy that Fig. 5 provides for fourth embodiment of the invention.This device that the present embodiment provides can be used for realizing above-mentioned second embodiment provides the method determining LED control system strategy.As shown in Figure 5, the device 40 of the determination LED control system strategy in the present embodiment comprises:
Whether detection module 31, have external event to occur for detecting;
Acquisition module 32, for when detection module 31 has detected that external event occurs, has obtained the characteristic of this external event;
Matching module 33, for by preset regulation engine, determines at least one business rule that this characteristic obtained with acquisition module 32 matches from preset policy library;
Execution module 34, for according to the order preset, performs this business rule that matching module 33 matches one by one.
Further, execution module 34 comprises:
Generation unit 341, for according to the priority preset and this business rule, generates business rule queue;
Performance element 342, performs respectively this business rule in this business rule queue for order;
Judging unit 343, for when a business rule is finished, judges whether have object generation state to change in internal memory;
Updating block 344, if be yes for the judged result of judging unit 343, then upgrades this business rule queue according to the amount of state variation of this object, and performs the step that this order performs respectively this business rule in this business rule queue;
Performance element 342, if be also no for the judged result of judging unit 343, then performs next business rule.
Further, all business rules stored in this policy library are configured to Rapid matching structure in this regulation engine.
Further, acquisition module 32, also for generating according to user's first instruction obtains this generation instruction sensing respectively goal condition from preset condition storehouse, obtains the goal behavior that this generation instruction is pointed to from preset behavior storehouse;
Determine the device 40 of LED control system strategy, also comprise:
Generation module 41, generates target service rule for this goal condition of obtaining according to acquisition module 32 and this goal behavior according to preset create-rule and is stored in this policy library.
Further, determine that the device 40 of LED control system strategy also comprises:
Replacement module 42, for generating instruction according to user's second, appointed information in the condition comprise this second business rule generating instruction sensing replaces with the information of user's input, to generate goal condition, the action in the business rule point to this second generation instruction is as subject performance;
Generation module 41, also generates target service rule for this goal condition of obtaining according to replacement module 42 and this goal behavior according to preset create-rule and is stored in this policy library.
The present embodiment, to the detailed process of each Implement of Function Module function separately of device 40 determining LED control system strategy, refers to the particular content of above-mentioned Fig. 1 to middle description embodiment illustrated in fig. 3, repeats no more herein.
The device of the determination LED control system strategy that the embodiment of the present invention provides, Fast Match Algorithm is utilized by preset regulation engine, at least one business rule matched with the characteristic of the external event occurred is determined from preset policy library, be different from prior art the strategy matching using if statement to form, the speed of strategy matching can be improved.In addition, target service rule is generated by the goal condition that points to according to the generation instruction of user based on declarative programming method and goal behavior, greatly can improve the readability of business rule code, avoid in prior art because business rule changes the recompility brought and the problem redeployed, developer is made not need too much to pay close attention to service logic (namely, judge what there occurs according to various situation), and only need to be absorbed in applied logic (namely, which type of process is carried out) when what there occurs, thus compatibility and the extendability of LED control system can be improved, make system more easy care.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or device and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or device.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the device comprising described key element and also there is other identical element.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (10)
1. determine a method for LED control system strategy, it is characterized in that, comprising:
When having detected that external event occurs, obtain the characteristic of described external event;
By preset regulation engine, from preset policy library, determine at least one business rule matched with described characteristic;
According to the order preset, perform described business rule one by one.
2. method according to claim 1, is characterized in that, the order that described basis is preset, and performs described business rule one by one and comprises:
According to the priority preset and described business rule, generate business rule queue;
Order performs each described business rule in described business rule queue;
When a business rule is finished, judge in internal memory, whether have object generation state to change;
If so, then upgrade described business rule queue according to the amount of state variation of described object, and perform the step that described order performs each described business rule in described business rule queue;
If not, then next business rule is performed.
3. method according to claim 1 and 2, is characterized in that, all business rules stored in described policy library are configured to Rapid matching structure in described regulation engine.
4. method according to claim 1, is characterized in that, described method also comprises:
Generate according to user's first instruction obtains described generation instruction sensing respectively goal condition from preset condition storehouse, obtain the goal behavior that described generation instruction is pointed to from preset behavior storehouse;
Generate target service rule according to described goal condition and described goal behavior according to preset create-rule and be stored in described policy library.
5. method according to claim 1, is characterized in that, described method also comprises:
According to user second generates instruction, and the appointed information in the condition that the business rule generating instruction sensing by described second comprises replaces with the information of user's input, to generate goal condition;
Action in the business rule point to described second generation instruction is as subject performance;
Generate target service rule according to described goal condition and described goal behavior according to preset create-rule and be stored in described policy library.
6. determine a device for LED control system strategy, it is characterized in that, comprising:
Whether detection module, have external event to occur for detecting;
Acquisition module, for when described detection module has detected that external event occurs, has obtained the characteristic of described external event;
Matching module, for by preset regulation engine, determines at least one business rule that the described characteristic obtained with described acquisition module matches from preset policy library;
Execution module, for according to the order preset, performs the described business rule that described matching module matches one by one.
7. device according to claim 6, is characterized in that, described execution module comprises:
Generation unit, for according to the priority preset and described business rule, generates business rule queue;
Performance element, performs each described business rule in described business rule queue for order;
Judging unit, for when a business rule is finished, judges whether have object generation state to change in internal memory;
Updating block, if be yes for the judged result of described judging unit, then upgrades described business rule queue according to the amount of state variation of described object, and performs the step that described order performs each described business rule in described business rule queue;
Described performance element, if be also no for the judged result of described judging unit, then performs next business rule.
8. the device according to claim 6 or 7, is characterized in that, all business rules stored in described policy library are configured to Rapid matching structure in described regulation engine.
9. device according to claim 6, is characterized in that,
Described acquisition module, also for generating according to user's first instruction obtains described generation instruction sensing respectively goal condition from preset condition storehouse, obtains the goal behavior that described generation instruction is pointed to from preset behavior storehouse;
Described device, also comprises:
Generation module, generates target service rule for the described goal condition that obtains according to described acquisition module and described goal behavior according to preset create-rule and is stored in described policy library.
10. device according to claim 9, is characterized in that,
Described device also comprises:
Replacement module, for generating instruction according to user's second, appointed information in the condition that the business rule generating instruction sensing by described second comprises replaces with the information of user's input, to generate goal condition, the action in the business rule point to described second generation instruction is as subject performance;
Described generation module, also generates target service rule for the described goal condition that obtains according to described replacement module and described goal behavior according to preset create-rule and is stored in described policy library.
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Address after: 710075 DEF101, Zero One Square, Xi'an Software Park, No. 72 Zhangbajie Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: Xi'an Nova Nebula Technology Co., Ltd. Address before: 710075 Qinfengge D District 401, Xi'an Software Park, 68 Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: Xian Novastar Electronic Technology Co., Ltd. |