CN102968438B - History data store control system in comprehensive monitoring system - Google Patents
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Abstract
The invention discloses history data store control system in a kind of comprehensive monitoring system, memory controller mainly comprises data point index, data point matrix, storing control information body structure, algorithm pond and metadata set five part composition; With the data-interface of external program mainly comprise as entrance real-time raw data and for the data buffer of external control command interaction, the ripe data buffer as the storage medium to be write into exported, data stream comprises production data stream and interaction data stream, the unified data stream of the packet realization of format and external program that adopts is mutual, and scheme realizes comprising the following aspects: development platform, interface specification, data layout, configuration information.
Description
Technical field
The present invention, towards the data acquisition of subway/light rail comprehensive monitoring system and storage demand, provides the history data store controlling mechanism being adapted to multi-specialized system, big data quantity process and multiple different pieces of information screening requirements; Adopt the platform-type design of embeddable system, the common operating mode of integrated monitoring platform can be embedded.For the application in class SCADA field, as power monitoring, water conservancy monitoring, oil gas chemical industry, coal mine etc. need the industry control industry implementing real-time data acquisition and environmental unit Monitor and Control business, also there is application space.
Background technology
Subway/light rail comprehensive monitoring system (ISCS Integrated Supervisory Control System) adopts software and hardware integrated platform and dedicated communications network to gather such as electric power system, environment and equipment monitoring system, fire alarm system, gate control system, broadcast system, closed-circuit television system, driving surveillance, the real time data of multiple specialty such as ticket selling and checking system and environmental parameter, telemonitoring controls the operation of each professional system and equipment, be saved in commercial relational database by these data by the different storage demands of each specialty is in the historical data base of main management platform simultaneously, be convenient to data retrieval, run playback, statistical report form, the multiple application such as performance evaluation and Energy Saving Strategy reference.
History data store type relates generally to digital quantity, analog quantity, time quantum, and minority application also may comprise character data.Because the specialty covered is many and assorted, total data capacity is hundreds of thousands point easily, and data point particularly the change of all kinds of analog quantity point is frequent, the historical data amount of therefore accumulating generation is quite huge, and these data can not also need not all be stored in commercial data base and large-capacity storage media.Meanwhile, the difference in storage demand can be had because of its sub-specialty characteristics and gatherer process to each data point.Therefore, effective, flexible customizable history data store filters controlling mechanism is the key link optimized storage scheme, meet storage demand difference, improve external application efficiency, reduce storage system maintenance pressure and cost.History data store flow process is see Fig. 1.
History data store controls mainly to comprise two aspects:
Store granularity: the time interval at every turn stored with data point calculates, and interval is larger, and granularity is less; As analog quantity can set preservation be spaced apart minute level or second level, digital quantity may need whole storage, then preserve interval be 0; Store granularity and can be divided into Static and dynamic two kinds, be the set configuration mode of user and system self-determination storage mode.
Storage algorithm: the calculating of the final numerical value that data point stores at every turn can be the maximal value in memory gap, minimum value, mean value, weighted sum etc.
The comprehensive monitoring system platform of current main flow is generally as follows to the processing mode of history data store:
1. be responsible for digital independent, screening, warehouse-in by storage services module, data source can be real-time data base or buffer culture; Data are generally the commercial data base solution of main flow with finally preserving, as Oracle, Sybase, MySQL etc.This processing module is coupled at data bus, data process method, in-line coding mode, relational database height with system platform, is the part in system platform.
2. store in granularity, by can online modification or the mode of fixing when running compose to each data point with the memory gap determined, to be generally accurate to minute or second, history data store service performs data filtering by this fixed configurations and stores warehouse-in process.
3. in storage algorithm, in storage services module, realize the calculating that user may need, if any new algorithm requirements, then need to carry out secondary development.
The shortcoming of prior art is: 1. the storage granularity of data point arranges single, is mainly static mode, can only store by scheduled time interval, and the self-determination lacked when logarithm value changes violent stores and realizes; Some only storage time interval due in point instantaneous value, reduce the value of historical data; 2. storage algorithm is relatively simple, and algorithm is relatively fixing, generally determines when code is write, and needing to change existing module or platform, again debug, not easily expanding when dealing with some unconventional application and algorithm; 3. storage services module and the system platform degree of coupling high.
Summary of the invention
This programme design is from the multi-specialized existing demand of comprehensive monitoring system and technical foundation, and design realizes new storage control system, comprising: flexibly customizable, can the storage granularity of online change arrange, support to decide by oneself storage behavior dynamically; There is provided abundant Numerical Computation Function and system call by algorithm pond scheme, and allow to expand algorithm by set interface shape; Adopt the method for operation of embeddable system platform, by the independent operating of unified data stream interface practical function module, all data screening memory functions can realize or follow-up expansion in this module; Cover and the data retention schemes realizing Bu Tong son specialty, different types of data, different storage demand with this.
Technical solution of the present invention is: history data store control system in a kind of subway comprehensive monitoring system, comprises following components:
A controller architecture.
New memory controller mainly comprises data point index, data point matrix, storing control information body structure, algorithm pond and metadata set five part composition; With the data-interface of external program mainly comprise as entrance real-time raw data and for the data buffer of external control command interaction, the ripe data buffer as the storage medium to be write into exported.
Modular structure and relation are as shown in Figure 2.
A data point index: the Data Identification ID that each data point has the overall situation unique, data point index adopts Hash table to complete the mapping of data point ID to data entity, realizes buffer data and enters the front quick position in data point matrix of stored filter process.
B data point matrix: data point matrix is made up of multiple data point entity, row expression in matrix data point entity, be made up of mark ID and all attributes preserved that needs of data point, each template(-let) (An) in matrix stores the control information body pointer pointing to this attribute data of definition constraint and store, and the storage imformosome that certain property store behavior of certain data point is pointed to by it completely like this controls.
C storing control information body structure: storing control information body is the key component of memory controller, the different behaviors of each element difference control data storage of its inside, each imformosome comprises following key element:
Whether ActiveFlag: activation marker, identify this imformosome and come into force;
TimeStamp: data precise time label;
StorageInterval: the time interval of twice storage, unit is second, and 0 value represents that all controller data information that enters all stores;
ControllWord: store control word, implication is as follows:
0x00000000: control word is invalid
0x00000001: decide by oneself storage mark position, automatically determined whether to store according to the change intensity of data value by controller, user can arrange follow-up basic value BaseValue (vb) and increment size DeltaValue (△ v), only when meeting | vi just needs storage during vi-vb|> △ v
0x00000002: automatic interpolation zone bit, when there is no delta data in certain time interval, the need of adding a data record voluntarily to ensure data continuity,
Whether 0x00000004: invalid data process zone bit, directly abandon when current data sheet is invalid or continue later flow process,
0x00000008: for subsequent use temporarily,
BaseValue: decide by oneself the basic comparison value stored, standard controller interface can be used as required to carry out online real time modifying, and new modified values will come into force when next group data enter controller,
DeltaValue: decide by oneself the increment size stored, the data in this value amplitude will be filtered does not preserve,
CalcMethod: computing method, as the calculating control device storing final data together with ArgsArray;
ArgsArray: number of parameters and list.
D algorithm pond: provide historical data conventional in comprehensive monitoring system to calculate and generating algorithm, comprise common mathematical calculating and statistical calculation method etc., often kind of algorithmic function is Reentrant function, supports that multithreading calls simultaneously.
E metadata set: metadata set is the basic data about data point type and attribute type is the abstract of concrete data point example.
B. description of data stream.
Data stream comprises production data stream and interaction data stream, and the unified data stream of the realization of the packet of format and external program that adopts is mutual.
Data entries: the data that real-time data base produces are with the form of format, enter the pre-prepd raw data of controller by the unified interface (SendRawData) calling controller to lock large buffer zone (Sharing Memory Realization), then enter treatment scheme; Meanwhile, all control commands mutual with controller also enter controller by unified interface (SendMsg) with formatting messages form.
Data outlet: data to be saved are with the form of format, enter the pre-prepd ripe data of controller to lock buffer zone, these data can be immediately obtained by the unified interface (GetProcData) calling controller, because memory controller is only responsible for filtration and the process of data, final ripe data storage destination, file layout and memory function realize to come with this module segmentation, to ensure the abundant compatibility to different storage scheme, different pieces of information organizational form.
C scheme realizes explanation.
A development platform: adopt Qt Cross-border congestion management bag to design and develop, be convenient to the transplanting of applying;
B interface specification: relate generally to data interaction interface, command interaction interface, on-line parameter amendment interface, expand algorithm interface, need to observe set interface shape and develop; Total interface exists for the loading of third party's program with the form of dynamic base;
C data layout: the form regulation of interaction data, comprises data layout (length+function code+markers+point identification+attribute-bit+value) and the control command form (length+function code+information content) of production;
D configuration information: controller runs necessary internal information and completed by configuration module, completes the configuration of metadata, information point, storing control information body by user's configuration tool interface; The system configuration items such as simultaneous buffering district size, loading expansion base catalogue also here complete, and final formation program starts configuration file.
Preferred version of the present invention is: the four-dimensional index location of " station address+professional address+type+dot address " supported in a data point index in A controller architecture, or the direct location that long ID addresses.
Preferred version of the present invention is: A controller architecture, the CalcMethod element in c storing control information body structure, and its actual storage content is the function pointer in direction calculation pond, support multiple conventional algorithm, and often kind of algorithmic function is Reentrant function.
Preferred version of the present invention is: A controller architecture, d algorithm pond provides historical data conventional in comprehensive monitoring system to calculate and generating algorithm, comprise common mathematical calculating and statistical calculation method etc., often kind of algorithmic function is Reentrant function, supports that multithreading calls simultaneously.
Preferred version of the present invention is: in A controller architecture, d algorithm pond is except fixing algorithm, when existing algorithm does not meet the demands, a part of idle algorithm per-interface space has been reserved in algorithm pond, expansion can be loaded write dynamically generate storehouse when the initialization of algorithm pond, and its function is realized be loaded into one by one in order spare interface for.
Preferred version of the present invention is: e metadata set in A controller architecture, and data point type comprises type identification ID, typonym and corresponding attribute list; Attribute type comprises all the mark ID, data type and the Property Name that relate to attribute.
Beneficial effect of the present invention is:
1. flexibly customizable, can the storage granularity of online change arrange, support dynamic to decide by oneself storage behavior;
2. provide abundant Numerical Computation Function and system call by algorithm pond scheme, and allow to expand algorithm by set interface shape;
3. adopt the method for operation of embeddable system platform, by the independent operating of unified data stream interface practical function module.Controller determines its behavior by configuration mode, realizes completely customizable.All data screening memory functions can realize or follow-up expansion in this module; Cover and the data retention schemes realizing Bu Tong son specialty, different types of data, different storage demand with this.
Accompanying drawing explanation
Fig. 1 history data store flow process of the present invention.
Fig. 2 memory controller inner structure of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
1. controller architecture and principle.
New memory controller mainly comprises data point index, data point matrix, storing control information body structure, algorithm pond and metadata set five part composition; With the data-interface of external program mainly comprise as entrance real-time raw data and for the data buffer of external control command interaction, the ripe data buffer as the storage medium to be write into exported, modular structure and relation are as shown in Figure 2.
1.1 data point indexes:
The Data Identification ID that each data point has the overall situation unique.Data point index adopts Hash table to complete the mapping of data point ID to data entity, realizes buffer data and enters the front quick position in data point matrix of stored filter process.The four-dimensional index location of " station address+professional address+type+dot address " supported in data point index, also supports the direct location of long ID addressing.
1.2 data point matrixes:
Data point matrix is made up of multiple data point entity, row expression in matrix data point entity, be made up of mark ID and all attributes preserved that needs of data point, such as certain telemetry point may need to preserve three kinds of floating datas such as measured value, calculated value, manually value, the row matrix that then this data point comprises three attributes is expressed as (ID, A
i, A
j, A
k).The definition of all properties can find corresponding definition to describe in the property set of metadata set.
Each template(-let) (A in matrix
n) storing the control information body pointer pointing to this attribute data of definition constraint and store, the storage imformosome that certain property store behavior of certain data point is pointed to by it completely like this controls.
1.3 storing control information body structures:
Storing control information body is the key component of memory controller, the different behaviors of each element difference control data storage of its inside.Each imformosome comprises following key element:
Whether ActiveFlag: activation marker, identify this imformosome and come into force;
TimeStamp: data precise time label, as invalid in data markers or indefinitely will be replaced by local markers automatically;
StorageInterval: the time interval of twice storage, unit is second, and 0 value represents that all controller data information that enters all stores;
ControllWord: store control word, implication is as follows:
0x00000000: control word is invalid
0x00000001: decide by oneself storage mark position.Automatically determined whether to store according to the change intensity of data value by controller, user can arrange follow-up basic value BaseValue (v
b) and increment size DeltaValue (△ v), only when meeting | v
i-v
b| v during > △ v
ijust need to store.Self-determination memory function compensate for the simplification of fixed intervals store sample and significant data preserves infull defect, to data occur comparatively large amplitude time can log history data behavior in more detail, and can adjust reference value and amplitude interval according to user's actual needs, there is larger dirigibility.This function has good improved action to the voltage of power specialty in comprehensive monitoring system and ring control specialty, electric current, parameter acquisition, preservation, the utilization such as air and water temperature.
0x00000002: automatic interpolation zone bit.When not having delta data in certain time interval, the need of adding a data record voluntarily to ensure data continuity, this function is to the convenience that improve the exploitation of historical data applications, and program is without the need to considering the numeric representation problem that unchanged value is interval.Interpolation strategies with the data value of previous preservation for store data value.
0x00000004: invalid data process zone bit.Whether directly abandon when current data sheet is invalid or continue later flow process.
0x00000008: for subsequent use temporarily.
BaseValue: decide by oneself the basic comparison value stored.Standard controller interface can be used as required to carry out online real time modifying, and new modified values will come into force when next group data enter controller.
DeltaValue: decide by oneself the increment size stored.Data in this value amplitude will be filtered does not preserve.
CalcMethod: computing method.As the calculating control device storing final data together with ArgsArray.This element actual storage content is the function pointer in direction calculation pond, support multiple conventional algorithm, and often kind of algorithmic function is Reentrant function.
ArgsArray: number of parameters and list.
1.4 algorithm ponds:
There is provided historical data conventional in comprehensive monitoring system to calculate and generating algorithm, comprise common mathematical calculating and statistical calculation method etc.Often kind of algorithmic function is Reentrant function, supports that multithreading calls simultaneously.
Except fixing algorithm, when existing algorithm does not meet the demands, reserved a part of idle algorithm per-interface space in algorithm pond, can load when the initialization of algorithm pond and expand the shape of writing as the dynamic generation storehouse of Alg*, and its function is realized be loaded into one by one in order spare interface for.Expansion algorithm interface shape and redaction rule need follow the uniform requirement in controller algorithm pond.
1.5 metadata set:
Metadata set is the basic data about data point type and attribute type, is the abstract of concrete data point example.Data point type comprises type identification ID, typonym and corresponding attribute list; Attribute type comprises all the mark ID, data type (being mainly integer and floating type) and the Property Name that relate to attribute.
2. description of data stream.
Data stream comprises production data stream and interaction data stream, and the unified data stream of the realization of the packet of format and external program that adopts is mutual.
Data entries: the data that real-time data base produces are with the form of format, enter the pre-prepd raw data of controller by the unified interface (SendRawData) calling controller to lock large buffer zone (Sharing Memory Realization), then enter treatment scheme; Simultaneously, all control commands mutual with controller also enter controller by unified interface (SendMsg) with formatting messages form, such as monitor background communication to interrupt, data temporarily cannot upgrade, then by thrashing message notification controller, all control information body states of activation are closed, no longer carry out data processing; Or when needs closedown or when restarting data storage service, then controller carries out internal thread Safe withdrawing, cleaning takies resource and final plant closure service to provide closedown information order, etc.
Data outlet: data to be saved are with the form of format, enter the pre-prepd ripe data of controller to lock buffer zone (Sharing Memory Realization), can immediately obtain these data by the unified interface (GetProcData) calling controller.Because memory controller is only responsible for filtration and the process of data, final ripe data storage destination, file layout and memory function realize to come with this module segmentation, to ensure the abundant compatibility to different storage scheme, different pieces of information organizational form.
3. scheme realizes explanation.
1) development platform: adopt Qt Cross-border congestion management bag to design and develop, be convenient to the transplanting of applying;
2) interface specification: relate generally to data interaction interface, command interaction interface, on-line parameter amendment interface, expand algorithm interface, need to observe set interface shape and develop; Total interface exists for the loading of third party's program with the form of dynamic base;
3) data layout: the form regulation of interaction data, comprises data layout (length+function code+markers+point identification+attribute-bit+value) and the control command form (length+function code+information content) of production;
4) configuration information: controller runs necessary internal information and completed by configuration module, completes the configuration of metadata, information point, storing control information body by user's configuration tool interface; The system configuration items such as simultaneous buffering district size, loading expansion base catalogue also here complete, and final formation program starts configuration file.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should be appreciated that; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and application claims protection domain is defined by its equivalent of appending claims.
Claims (7)
1. a history data store control system in comprehensive monitoring system, is characterized in that:
Memory controller comprises data point index, data point matrix, storing control information body structure, algorithm pond and metadata set five part composition successively; With the data-interface of external program comprise as entrance real-time raw data and for the data buffer of external control command interaction, the ripe data buffer as the storage medium to be write into exported;
Description of data stream: data stream comprises production data stream and interaction data stream, the unified data stream of the realization of the packet of format and external program that adopts is mutual;
Data entries: the data that real-time data base produces, with the form of format, enter the pre-prepd raw data of memory controller by the unified interface calling memory controller and to lock buffer zone, then enter treatment scheme; Meanwhile, all control commands mutual with memory controller enter memory controller by unified interface with formatting messages form;
Data outlet: data to be saved, with the form of format, enter the pre-prepd ripe data of controller and to lock buffer zone, immediately obtain these data by the unified interface calling memory controller;
Described data point index: the Data Identification ID that each data point has the overall situation unique, data point index completes the mapping of data point ID to data entity;
Described data point matrix: data point matrix is made up of multiple data point entity, the data point entity of the row expression in matrix, is made up of mark ID and all attributes preserved that needs of data point, each template(-let) in matrix (
a n ) store the control information body pointer pointing to this attribute data of definition constraint and store;
Described storing control information body structure: the different behaviors of each element difference control data storage of storing control information body inside, each imformosome comprises following element:
Whether ActiveFlag: activation marker, identify this imformosome and come into force;
TimeStamp: data precise time label;
StorageInterval: the time interval of twice storage, unit is second, and 0 value represents that all controller data information that enters all stores;
ControllWord: store control word, comprises and decides by oneself storage, interpolation, the multiple control bit storage of error handle;
BaseValue: decide by oneself the basic comparison value stored, standard controller interface can be used as required to carry out online real time modifying, and new modified values will come into force when next group data enter controller;
DeltaValue: decide by oneself the increment size stored, the data in this value amplitude will be filtered does not preserve;
CalcMethod: computing method, as the calculating control device storing final data together with ArgsArray;
ArgsArray: number of parameters and list;
Described algorithm pond: provide historical data conventional in comprehensive monitoring system to calculate and generating algorithm, comprise common mathematical and calculate and statistical calculation method, often kind of algorithmic function is Reentrant function, supports that multithreading calls simultaneously;
Described metadata set is the basic data about data point type and attribute type, is the abstract of concrete data point example;
Described data point index adopts Hash table, supports the four-dimensional index location of " station address+professional address+type+dot address ", or the direct location that long ID addresses.
2. history data store control system in comprehensive monitoring system according to claim 1, is characterized in that,
The data layout of described production data and interaction data: length+function code+markers+point identification+attribute-bit+value; Described control command form: length+function code+information content.
3. history data store control system in comprehensive monitoring system according to claim 1, is characterized in that,
Memory controller runs necessary internal information and is completed by configuration module, is completed the configuration of metadata, information point, storing control information body by user's configuration tool interface.
4. history data store control system in comprehensive monitoring system according to claim 1, is characterized in that, the CalcMethod element in described storing control information body structure, and its actual storage content is the function pointer in direction calculation pond.
5. history data store control system in comprehensive monitoring system according to claim 1, it is characterized in that, described algorithm pond provides historical data conventional in comprehensive monitoring system to calculate and generating algorithm, comprise common mathematical to calculate and statistical calculation method, often kind of algorithmic function is Reentrant function, supports that multithreading calls simultaneously.
6. history data store control system in comprehensive monitoring system according to claim 1, it is characterized in that, a part of idle algorithm per-interface space has been reserved in described algorithm pond, expansion can be loaded write dynamically generate storehouse when the initialization of algorithm pond, and its function is realized be loaded into one by one in order spare interface for.
7. history data store control system in comprehensive monitoring system according to claim 1, is characterized in that, described metadata set, and data point type comprises type identification ID, typonym and corresponding attribute list; Attribute type comprises all the mark ID, data type and the Property Name that relate to attribute.
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| CN103778747A (en) * | 2014-01-23 | 2014-05-07 | 蚌埠依爱消防电子有限责任公司 | Method for speeding up starting of fire fighting apparatus through fire alarm control unit |
| TW201734771A (en) * | 2016-03-31 | 2017-10-01 | Samoa Datastream Iot Tech Co Ltd Taiwan Branch | Seamless metric logic operation system and operation method thereof increasing the visibility of metric items, improving the re-use rate of the parameters in the metric items, and reducing the cost and time efficiencies in developing programs |
| CN108167023A (en) * | 2017-12-27 | 2018-06-15 | 天地（常州）自动化股份有限公司 | Data organization and method for uploading in a kind of coal mine safety monitoring system polling period |
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| CN109274742A (en) * | 2018-09-27 | 2019-01-25 | 北京工业大学 | A kind of internet of things data acquisition and supervisor control |
| CN111125087B (en) * | 2018-10-31 | 2023-05-12 | 北京国双科技有限公司 | Data storage method and device |
| CN109857741B (en) * | 2019-01-31 | 2021-04-06 | 重庆零壹空间航天科技有限公司 | Rocket telemetry data selection method and device |
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