CN104732450A - Power supply quality evaluation system based on rule engine - Google Patents
Power supply quality evaluation system based on rule engine Download PDFInfo
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Abstract
The invention discloses a power supply quality evaluation system based on a rule engine. The power supply quality evaluation system comprises a rule describing module, a power supply quality evaluation rule base, a configuration module and a fact obtaining module, wherein the rule describing module is used for storing power supply quality evaluation rules into the power supply quality evaluation rule base, and storing configuration information of the power supply quality evaluation rules into the configuration module, the power supply quality evaluation rule base is used for receiving calling of the rule describing module, the configuration module is used for storing the configuration information received by the rule describing module and receiving calling of the fact obtaining module, the rule engine and an inquiring module, and the fact obtaining module is used for obtaining original fact data needed by power supply quality evaluation from a power utilization information collecting system according to the configuration information obtained from the configuration module, and preprocessing the original fact data according to the configuration information to obtain processing result information. The system has the advantages that the requirement for the timeliness and the objectivity of power supply quality supervising is met, a power supply unit can detect the power supply quality in areas under administration and supervise a provincial level power supply unit, and the power supply quality and the power utilization customer satisfaction are improved.
Description
Technical field
The present invention relates to a kind of power supply quality evaluation system of rule-based engine.
Background technology
Power supply quality has very large impact to the safety in production of electricity consumption enterprise and public utilities user, economic benefit and resident's daily life.Along with the development of science and technology and the awakening of service awareness, current power user is more and more higher for the requirement that power supply quality is stable.Electric company, for promoting service quality with customer satisfaction, constantly promotes power supply quality by multiple technologies and business means, wherein most using power supply quality evaluation as the point of penetration promoting service.
Current various places electric company has carried out power supply quality evaluation assignment one after another, but be mostly to adopt the simple statistics means such as data summarization, cumulative, screening, intuitively show with the form such as form, curve again, also need to throw veteran staff and carry out further power supply quality analysis, the order of accuarcy of analysis result comparatively relies on the experience of staff, and data analysis poor real, mostly with one week or January for precision analysis time.In addition, some electric company has carried out some and has improved the trial that power supply quality evaluates objective degree at present, mostly by setting up power supply quality assessment indicator system, be aided with the mathematical method such as gray relative analysis method, fuzzy mathematics again and carry out index analysis, obtain power supply quality evaluation result, but the power supply quality assessment indicator system set up is with strong points, portable poor, and evaluation result form is comparatively single, and real-time is not high.Present stage power supply quality evaluation field still lacks ripe effective technological means.
Summary of the invention
Object of the present invention is exactly to solve the problem, a kind of power supply quality evaluation system of rule-based engine is provided, it has the demand improving power supply quality for current power supply unit, promote power supply quality supervision promptness and objectivity, towards power supply unit at different levels, the self-inspection of power supply unit for local power supply quality and the supervision of provincial power supply unit can be realized, promote the advantage of power supply quality and Electricity customers satisfaction.
For achieving the above object, the present invention adopts following technical scheme:
A power supply quality evaluation system for rule-based engine, comprising:
Rule description module, for power supply quality evaluation rule being stored in power supply quality evaluation rule storehouse, the configuration information of power supply quality evaluation rule is stored in configuration module, and the power supply quality evaluation knowledge rule transmitting evaluation rule corresponding to it that calls receiving interpreter is explained simultaneously;
Power supply quality evaluation rule storehouse, for receiving calling of rule description module;
Configuration module, for storing the configuration information received from rule description module, and receives calling of true acquisition module, regulation engine and enquiry module;
True acquisition module, for according to the configuration information obtained from configuration module, obtains the brute facts data needed for power supply quality evaluation from power information acquisition system, carries out pre-service obtain processing result information according to configuration information to brute facts data;
Power supply quality database, the processing result information that the brute facts data, the pre-service of Real-time Obtaining module that obtain for storing Real-time Obtaining module obtain, also for the data processed result of storage rule engine;
Regulation engine is the core of whole system, evaluates true rule for determining to be applicable to power supply quality, and the behavior part of the highest rule of execution priority, complete power supply quality automatic Evaluation;
Enquiry module, for receiving query statement that user interactive module issues or according to configuration module configuration Automatic inquirying task, to power supply quality data base querying power supply quality evaluation result, and returning Query Result;
User interactive module, receive the inquiry of power supply quality evaluation result and the demand of explanation of user's submission, be connected with enquiry module the evaluation result obtaining and inquire about, and is connected and obtains corresponding explain information, and show evaluation result and explanation to user to interpreter;
Interpreter, for following the tracks of and recording the rule adopted in inference step and reasoning process, obtain rule from rule description module and explain, receive calling of user interactive module, the reasoning process of power supply quality evaluation result is described in detail, improves decision-making traceability and user interactions friendly.
Described rule description module, power supply quality for domain expert rule of thumb being formulated evaluates knowledge, a series of production rule is shown as by rule description language table, the production rule generated is expressed as the structure of If (condition) Then (behavior), call power supply quality evaluation rule storehouse to store, simultaneously extract the fact formulated for every rule gather the configuration informations such as frequency from evaluating knowledge, be passed to configuration module.
Described power supply quality evaluation rule storehouse, carries out centralised storage to power supply quality evaluation rule, newly-increased, the change of implementation rule and deleting.Be divided into left part and right part to store respectively for each rule, left part is used for storage condition part, and comprise some condition element, right part, for storing corresponding behavior part, is described by rules properties.
In described power supply quality evaluation rule storehouse, rule relevant for Evaluation Strategy of the same race is packaged as a rule file, stores in units of rule file, when saving coupling, search cost.
Described configuration module, for realizing increasing newly, change and deleting of configuration information, the data configuration information such as power supply quality data type are provided to true acquisition module, the matching configuration information such as rule match frequency are provided to regulation engine, also provide evaluation result to refresh the query configuration information such as frequency to enquiry module.
Described true acquisition module, for calculating the factual data carried out needed for rule match, and it is true to adopt production method to describe, use tlv triple (object, attribute, value) and (relation, object 1, object 2) represent true, wherein object is exactly linguistic variable.
The data processed result of described regulation engine comprises: the execution module of the intermediate information that the agenda module of regulation engine generates in the matching process and regulation engine performs the execution result obtained.
Described regulation engine, comprises matching module, agenda module, execution module;
Described matching module, for carrying out power supply quality true mating with corresponding evaluation rule condition part, filters out the evaluation rule of this true corresponding employing of power supply quality.The configuration information that matching module provides according to configuration module, frequency is calculated according to the rule set, the factual data needed for evaluating is taken out from power supply quality database, the rule file of respective rule strategy is taken out from power supply quality evaluation rule storehouse, adopt forward reasoning method to compare the condition part of factual data Sum fanction, draw and meet true rule;
Described agenda module, for all evaluation rules that the match is successful drawn in matching module are added, if when evaluation rule quantity is less than or equal to 1, proceed to execution module and perform evaluation rule, when the evaluation rule quantity of mating is greater than 1, create a rule prioritization table, give priority to evaluation rule and determine order, preferentially trigger priority when multiple rule is mated with the fact simultaneously high, the new factual data of generation joins in power supply quality database as intermediate result;
Described execution module, for performing the behavior part of the rule that agenda module is selected, if the rule of not matching, then carry out to user interactive module the process that reports an error, if match rule to perform this regular behavior part, evaluation result is deposited in power supply quality database, sends the rule of the real time status information in reasoning process and employing to interpreter.
Described user interactive module, for carrying out alternately with user, provides query statement and active push two kinds of interactive modes, and provides early warning by configuration.
The invention has the beneficial effects as follows:
The present invention is applied to power supply quality evaluation, laid down a regulation by domain expert, true and Rule evaluation result is evaluated according to power supply quality by regulation engine, the power supply quality of automatic evaluation power supply unit, achieve the timely supervision of power supply quality and gather on schedule, and strengthen the friendliness with user interactions, reduce human cost;
The present invention is by adopting regulation engine, power supply quality evaluation rule is separated with evaluating apparatus system code, flexible formulation and the change of power supply quality evaluation rule can be realized, lifting gear dirigibility, extensibility and maintainability, be applicable to current various places electric company supervise according to power supplied locally business development situation, lack the present situation of unified power supply quality evaluation rule.
Accompanying drawing explanation
Fig. 1 is the power supply quality evaluation system of a kind of rule-based engine that the present invention proposes;
Wherein, 1, rule description module, 2, power supply quality evaluation rule storehouse, 3, configuration module, 4, true acquisition module, 5, power supply quality database, 6, regulation engine, 7, enquiry module, 8, user interactive module, 9, interpreter;
601, matching module, 602, agenda module, 603, execution module.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
Fig. 1, be the power supply quality evaluation system of a kind of rule-based engine based on the present invention's realization, this system comprises rule description module 1, power supply quality evaluation rule storehouse 2, configuration module 3, true acquisition module 4, power supply quality database 5, regulation engine 6, enquiry module 7, user interactive module 8 and interpreter 9; Described regulation engine 6 comprises matching module 601, agenda module 602, execution module 603.
Rule description module 1, power supply quality for domain expert rule of thumb being formulated evaluates knowledge, a series of production rule is shown as by rule description language table, the production rule generated is expressed as the structure of If (condition) Then (behavior), call power supply quality evaluation rule storehouse 2 to store, simultaneously extract the fact formulated for every rule gather the configuration informations such as frequency from evaluating knowledge, be passed to configuration module 3, and the power supply quality called to its transmission evaluation rule is corresponding receiving interpreter 9 evaluates the rule notes such as knowledge.
Power supply quality evaluation rule storehouse 2, for receiving calling of rule description module 1, carries out centralised storage to power supply quality evaluation rule, can implementation rule newly-increased, change and delete.Be divided into left part and right part to store respectively for each rule, left part storage condition part, comprises some condition element, and right part stores corresponding behavior part, is described by rules properties.In power supply quality evaluation rule storehouse 2, rule relevant for Evaluation Strategy of the same race is packaged as a rule file, stores in units of rule file, when saving coupling, search cost.
Configuration module 3, for storing the configuration information received from rule description module 1, increasing newly, change and deleting of configuration information can be realized, and receive matching module 601 in true acquisition module 4, regulation engine 6, the calling of enquiry module 7, provide the matching configuration information such as data configuration information, rule match frequency such as power supply quality data type, evaluation result to refresh the query configuration information such as frequency respectively.
True acquisition module 4, for according to the configuration information obtained from configuration module 3, the brute facts data needed for power supply quality evaluation are obtained from external data basic systems such as power information acquisition systems, and according to data configuration information, pre-service is carried out to brute facts data, calculate the factual data carried out needed for rule match, and it is true to adopt production method to describe, use tlv triple (object, attribute, value) and (relation, object 1, object 2) represent true, wherein object is exactly linguistic variable.
Power supply quality database 5, for store all power supply qualitys evaluate needed for factual data and execution result information, comprise the factural information, the intermediate information that generates in the matching process of agenda module 602 of regulation engine 6 and the execution module 603 of regulation engine 6 that have been processed by true acquisition module 4 and perform the execution result obtained.
Regulation engine 6 is cores of whole device, evaluates true rule for determining to be applicable to power supply quality, and the behavior part of the highest rule of execution priority, complete power supply quality automatic Evaluation.
Enquiry module 7, for receiving query statement that user interactive module 8 issues or configuring Automatic inquirying task according to configuration module 3, inquires about power supply quality evaluation result to power supply quality database 5, and returns results.
User interactive module 8, for carrying out alternately with power supply quality evaluating apparatus user, provides query statement and active push two kinds of interactive modes, and provides early warning by configuration.User interactive module 8 receives the inquiry of power supply quality evaluation result and the explanation demand of user's submission, and be connected with enquiry module 7 evaluation result obtaining and inquire about, and being connected to interpreter 9 obtains corresponding explain information, and shows evaluation result and explanation to user.
Interpreter 9, for following the tracks of and recording the rule adopted in the inference step of power supply quality evaluating apparatus and reasoning process, obtain rule from rule description module 1 to explain, receive calling of user interactive module 8, the reasoning process of facing device user to power supply quality evaluation result is described in detail, and improves decision-making traceability and the user interactions friendly of device.
Described regulation engine 6 also comprises with lower module:
Matching module 601, for carrying out power supply quality true mating with respective rule condition part, filters out the evaluation rule of this true corresponding employing of power supply quality.The configuration information that module provides according to configuration module, the information such as frequency are calculated according to the rule set, the factual data needed for evaluating is taken out from power supply quality database 5, the rule file of respective rule strategy is taken out from power supply quality evaluation rule storehouse 2, adopt forward reasoning method to compare the condition part of factual data Sum fanction, draw the rule that the match is successful;
Agenda module 602, for all rules that the match is successful drawn in matching module 601 are added, if when regular quantity is less than or equal to 1, proceed to execution module executing rule, when the regular quantity of mating is greater than 1, create a rule prioritization table, give priority to these rules and determine order, preferentially trigger priority when multiple rule is mated with the fact simultaneously high, the new fact of generation joins in power supply quality database 5 as intermediate result;
Execution module 603, for performing the behavior part of the rule that agenda module 602 is selected, if do not match rule to carry out to user interactive module 8 process that reports an error, the behavior part that rule performs this rule if match, evaluation result is deposited in power supply quality database 5, sends the rule of the real time status information in reasoning process and employing to interpreter 9.
For the defective item of this power supply quality of three-phase imbalance under the three-phase and four-line mode of connection, the course of work of the present invention is described below:
(1) domain expert provides following three-phase imbalance decision rule, only has to meet following combination condition and just think and there occurs three-phase imbalance:
(1) establish a certain district at point sometime, its three-phase current is designated as a phase current I respectively
a, b phase current I
b, c phase current I
c, then three-phase current mean value I
avgfor
Then three-phase current unbalance degree Y
ifor
If the three-phase current unbalance degree Y of this time point
ibe greater than 20%, then judge that three-phase current unbalance appears in this point.
(2) She Gaitai district is at this time point, and its active power is P, and reactive power is Q, then applied power S is
If the applied power S of this time point reaches its rated power P
r35%, satisfy condition (1) then judges that three-phase imbalance appears in this point simultaneously.
(3) platform district one day data collection is always counted is 48 points, adds up this district and counts the time of (2) of satisfying condition in one day, if the time counts more than 16 points, then think that this sky, this district there occurs three-phase imbalance.
(2) power supply quality evaluating apparatus obtains the knowledge of domain expert, and the representation of knowledge is production rule by rule description module 1, and three-phase imbalance decision rule comprises following three, is expressed as:
1. If (three-phase current unbalance degree 20%)
Then (this time point there occurs three-phase current unbalance);
2. If (this point of applied power rated power * 35%|| there occurs three-phase current unbalance)
Then (this time point there occurs three-phase imbalance, and being counted this day generation three-phase imbalance time adds 1);
3. If (this sky occurs that the three-phase imbalance time counts 16)
This sky of Then{ there occurs three-phase imbalance }.
Meanwhile, from knowledge, three-phase imbalance configuration information is extracted as follows:
Data configuration information | obtain the three-phase current of whole 48 time points the previous day, active power, reactive power and rated capacity data from external system when every day 0, three-phase current unbalance degree computing method, applied power calculating method, when every day 0 there is the three-phase imbalance time and to count clearing in this day;
Matching configuration information | judge the correlated judgment rule of three-phase imbalance, three-phase current unbalance degree, applied power, rated capacity, every day acquisition time count that these are true, start to obtain three-phase imbalance decision rule from power supply quality rating database 2 when every day 1, obtain the fact from power supply quality database 5 and mate;
Query configuration information | push whether occur three-phase imbalance the previous day to user when every day 8 }.
(3) three-phase imbalance decision rule is stored in power supply quality evaluation rule storehouse 2, three-phase imbalance configuration information is stored in configuration module 3.
(4) true acquisition module 4 obtains three-phase imbalance data configuration information from configuration module 3, brute facts data are obtained from power information acquisition system according to it, and according to three-phase current unbalance degree wherein, applied power calculating method, pre-service is carried out to brute facts data, calculates required factual data.
Brute facts data and factual data are stored in power supply quality database 5, use tlv triple (object, attribute, value) and (relation, object 1, object 2) to represent true, wherein object is exactly linguistic variable.
(5) in regulation engine 6, matching module 601 obtains three-phase imbalance matching configuration information from configuration module 3, obtains decision rule, obtains the fact mate from power supply quality database 5 according to it from power supply quality rating database 2.
According to joining the correlated judgment rule recorded in three-phase imbalance configuration information, from rule 1., rule mate with true, matches the satisfied regular condition part " three-phase current unbalance degree 20% " of the fact; Added agenda module 602, when the rule not having other coupling to be suitable for, executing rule behavior part " this time point there occurs three-phase current unbalance " in execution module 603; Judged result is stored in power supply quality database 5.
Matched rule 2. again, matches the true condition part " this point of applied power rated power * 35%|| there occurs three-phase current unbalance " meeting rule; Added agenda module 602, when the rule not having other coupling to be suitable for, executing rule behavior part " this time point there occurs three-phase imbalance, and being counted this day generation three-phase imbalance time adds 1 " in execution module 603; Judged result is stored in power supply quality database 5.
3. last matched rule, matches the true condition part " this sky occurs that the three-phase imbalance time counts 16 " meeting rule; Added agenda module 602, when the rule not having other coupling to be suitable for, in execution module 603, executing rule behavior part " this sky there occurs three-phase imbalance ", judges that this sky there occurs three-phase imbalance.Judged result is stored in power supply quality database 5.
(6) enquiry module 7 obtains three-phase imbalance query configuration information from configuration module, inquires about the judged result that the previous day, whether three-phase imbalance occurred when every day 8 in power supply quality database 5, and is pushed to device users by user's Switching Module 8.Enquiry module 7 is the query statement that issued by user's Switching Module 8 of receiving trap user also.
If device users has a question to result of determination, call interpreter 9 by user's Switching Module 8 and understand judgment basis.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. a power supply quality evaluation system for rule-based engine, is characterized in that, comprising:
Rule description module, for power supply quality evaluation rule being stored in power supply quality evaluation rule storehouse, the configuration information of power supply quality evaluation rule is stored in configuration module, and the power supply quality evaluation knowledge rule transmitting evaluation rule corresponding to it that calls receiving interpreter is explained simultaneously;
Power supply quality evaluation rule storehouse, for receiving calling of rule description module;
Configuration module, for storing the configuration information received from rule description module, and receives calling of true acquisition module, regulation engine and enquiry module;
True acquisition module, for according to the configuration information obtained from configuration module, obtains the brute facts data needed for power supply quality evaluation from power information acquisition system, carries out pre-service obtain processing result information according to configuration information to brute facts data;
Power supply quality database, the processing result information that the brute facts data, the pre-service of Real-time Obtaining module that obtain for storing Real-time Obtaining module obtain, also for the data processed result of storage rule engine;
Regulation engine is the core of whole system, evaluates true rule for determining to be applicable to power supply quality, and the behavior part of the highest rule of execution priority, complete power supply quality automatic Evaluation.
2. the power supply quality evaluation system of a kind of rule-based engine as claimed in claim 1, is characterized in that, also comprise:
Enquiry module, for receiving query statement that user interactive module issues or according to configuration module configuration Automatic inquirying task, to power supply quality data base querying power supply quality evaluation result, and returning Query Result;
User interactive module, receive the inquiry of power supply quality evaluation result and the demand of explanation of user's submission, be connected with enquiry module the evaluation result obtaining and inquire about, and is connected and obtains corresponding explain information, and show evaluation result and explanation to user to interpreter;
Interpreter, for following the tracks of and recording the rule adopted in inference step and reasoning process, obtain rule from rule description module and explain, receive calling of user interactive module, the reasoning process of power supply quality evaluation result is described in detail, improves decision-making traceability and user interactions friendly.
3. the power supply quality evaluation system of a kind of rule-based engine as claimed in claim 1, it is characterized in that, described rule description module, power supply quality for domain expert rule of thumb being formulated evaluates knowledge, a series of production rule is shown as by rule description language table, call power supply quality evaluation rule storehouse to store, simultaneously extract the fact formulated for every rule gather the configuration informations such as frequency from evaluating knowledge, be passed to configuration module.
4. the power supply quality evaluation system of a kind of rule-based engine as claimed in claim 1, is characterized in that, described power supply quality evaluation rule storehouse, carries out centralised storage to power supply quality evaluation rule, newly-increased, the change of implementation rule and deleting; Left part and right part is divided into store respectively for each rule, left part is used for storage condition part, comprise some condition element, right part is for storing corresponding behavior part, described by rules properties, in described power supply quality evaluation rule storehouse, rule relevant for Evaluation Strategy of the same race is packaged as a rule file, stores in units of rule file, when saving coupling, search cost.
5. the power supply quality evaluation system of a kind of rule-based engine as claimed in claim 1, it is characterized in that, described configuration module, for realizing increasing newly, change and deleting of configuration information, the data configuration information such as power supply quality data type are provided to true acquisition module, the matching configuration information such as rule match frequency are provided to regulation engine, also provide evaluation result to refresh the query configuration information such as frequency to enquiry module.
6. the power supply quality evaluation system of a kind of rule-based engine as claimed in claim 1, is characterized in that, described true acquisition module, and for calculating the factual data carried out needed for rule match, and it is true to adopt production method to describe.
7. the power supply quality evaluation system of a kind of rule-based engine as claimed in claim 1, it is characterized in that, the data processed result of described regulation engine comprises: the execution module of the intermediate information that the agenda module of regulation engine generates in the matching process and regulation engine performs the execution result obtained.
8. the power supply quality evaluation system of a kind of rule-based engine as claimed in claim 1, is characterized in that, described regulation engine, comprises matching module, agenda module, execution module;
Described matching module, for carrying out power supply quality true mating with corresponding evaluation rule condition part, filters out the evaluation rule of this true corresponding employing of power supply quality; The configuration information that matching module provides according to configuration module, frequency is calculated according to the rule set, the factual data needed for evaluating is taken out from power supply quality database, the rule file of respective rule strategy is taken out from power supply quality evaluation rule storehouse, adopt forward reasoning method to compare the condition part of factual data Sum fanction, draw and meet true rule.
9. the power supply quality evaluation system of a kind of rule-based engine as claimed in claim 8, it is characterized in that, described agenda module, for all evaluation rules that the match is successful drawn in matching module are added, if when evaluation rule quantity is less than or equal to 1, proceed to execution module and perform evaluation rule, when the evaluation rule quantity of mating is greater than 1, create a rule prioritization table, give priority to evaluation rule and determine order, priority is preferentially triggered high when multiple rule is mated with the fact simultaneously, the new factual data produced joins in power supply quality database as intermediate result.
10. the power supply quality evaluation system of a kind of rule-based engine as claimed in claim 8, it is characterized in that, described execution module, for performing the behavior part of the rule that agenda module is selected, if the rule of not matching, then carry out to user interactive module the process that reports an error, if match rule to perform this regular behavior part, evaluation result is deposited in power supply quality database, sends the rule of the real time status information in reasoning process and employing to interpreter.
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| CN110020732A (en) * | 2019-04-11 | 2019-07-16 | 英大泰和财产保险股份有限公司 | A kind of impaired electrical maintenance Claims Resolution service wire examination method of the power industry power supply responsibility of rule-based engine |
| CN111401776A (en) * | 2020-03-27 | 2020-07-10 | 卫健智能(深圳)有限公司 | Public health service quality control method and system |
| CN114020762A (en) * | 2021-11-09 | 2022-02-08 | 中国建设银行股份有限公司 | User evaluation rule engine system and method and device thereof |
| CN114329114A (en) * | 2021-12-29 | 2022-04-12 | 傲普(上海)新能源有限公司 | EMS system position and rule matching method and rule engine device |
| CN114723303A (en) * | 2022-04-15 | 2022-07-08 | 中国电信股份有限公司 | Method, device and equipment for determining energy-saving space of machine room and storage medium |
| CN114723303B (en) * | 2022-04-15 | 2023-10-31 | 中国电信股份有限公司 | Method, device, equipment and storage medium for determining energy-saving space of machine room |
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