CN102436245B - Method for controlling equipment in power plant and on-site control station for power plant - Google Patents
Method for controlling equipment in power plant and on-site control station for power plant Download PDFInfo
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- CN102436245B CN102436245B CN2011104186699A CN201110418669A CN102436245B CN 102436245 B CN102436245 B CN 102436245B CN 2011104186699 A CN2011104186699 A CN 2011104186699A CN 201110418669 A CN201110418669 A CN 201110418669A CN 102436245 B CN102436245 B CN 102436245B
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Abstract
The invention discloses a method for controlling equipment in a power plant and an on-site control station for the power plant and belongs to the field of electric equipment control. The method comprises the following steps: the on-site control station for the power plant receives a first configuration file sent by a host computer, wherein the first configuration file contains the control function to be realized by a control system of the power plant, the control function is a function which is realized by a drawn pattern and/or written statements from engineers of the power plant, and the control function is corresponding to one or more equipment in the power plant; the on-site control station for the power plant compiles the first configuration file into a configuration file which can be identified by the on-site control station for the power plant; and the on-site control station for the power plant runs a control function contained in the compiled first configuration file to control the equipment in the power plant corresponding to the control function. The on-site control station for the power plant comprises a receiving module, a compiling module and a control module. According to the method, a present advanced control strategy and a special requirement of the power plant are introduced into the control system of the power plant to control the power plant.
Description
Technical field
The present invention relates to the power equipment control field, particularly a kind of method and power plant's field control station of controlling electric power factory equipment.
Background technology
Can use control system of power plant to control electric power factory equipment in the power plant at present, with guarantee electric power factory equipment in the power plant can be normally, coordination and orderly operation.
Producer is when the exploitation control system of power plant at present, a plurality of control functional blocks are set in control system of power plant in advance, each control functional block can corresponding one or more electric power factory equipments, and each control functional block is used for one or more electric power factory equipments of its correspondence are controlled; Wherein, the functional block of respectively controlling that control system of power plant can comprise it is presented at host computer, engineer plant can be selected one or more control functional blocks according to the situations such as electric power factory equipment that power plant comprises in host computer, for each control functional block of selecting arranges configuration parameter, and each that select controlled functional block carry out configuration, host computer is packaged into the control functional block of engineer plant configuration a configuration file and submits to control system of power plant then, and control system of power plant can be controlled the electric power factory equipment in the power plant according to this configuration file.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Control system of power plant can only move it control functional block that comprises and conventional control algolithm, make engineer plant can only from the control functional block that control system of power plant comprises, select the control functional block, so engineer plant can't be incorporated into the advanced control strategy that occurs at present and the individual demand of power plant in the control system of power plant, comes power plant is controlled.
Summary of the invention
For the advanced control strategy that occurs at present and the individual demand of power plant being increased in the control system of power plant, and do not need to change original control system of power plant or again the exploitation, come power plant is controlled, the invention provides a kind of method and power plant's field control station of controlling electric power factory equipment.Described technical scheme is as follows:
A kind of method of controlling electric power factory equipment, described method comprises:
Power plant's field control station receives the first configuration file that host computer sends, comprise the control function that control system of power plant need be realized in the described first configuration file, described control function is the function that the figure drawn of engineer plant and/or the statement write are realized, and the corresponding one or more electric power factory equipments of described control function;
Described power plant field control station is compiled into the configuration file that described power plant field control station can be identified with the described first configuration file;
The control function that the described first configuration file after the field control station operation compiling of described power plant comprises is controlled the electric power factory equipment of described control function correspondence with realization.
Described power plant field control station is compiled into the configuration file that described power plant field control station can be identified with the described first configuration file, comprising:
To comprise in the described first configuration file that figure and/or the statement of realizing described control function are compiled into the code that described power plant field control station can be identified according to argument formula Fundamentals of Compiling, to realize that the described first configuration file is compiled into the configuration file that described power plant field control station can be identified.
The control function that the described first configuration file after the field control station operation compiling of described power plant comprises comprises:
Each the control function that comprises in the described first configuration file is divided into one or more tasks, and the corresponding one or more electric power factory equipments of described task;
And under power plant is in normal condition, when current task began to carry out described task in the cycle, picks up counting and gather the measurement data that the electric power factory equipment of described task correspondence reports; If the time of timing collected the measurement data that the electric power factory equipment of described task correspondence reports before surpassing the time tag of described task, then according to the priority orders scheduler task of described task, be the task distribution network right to use of described scheduling, and the measurement data that reports according to the electric power factory equipment of the task correspondence of gathering described scheduling is handled to realize the electric power factory equipment of the task correspondence of described scheduling is controlled to the task of described scheduling; Store the measurement data that the electric power factory equipment of described task correspondence reports in the current task cycle simultaneously.
Described each the control function that comprises in the described first configuration file is divided into after one or more tasks, also comprises:
When described power plant becomes abnormality by normal condition, integrated dispatch index in current task described task of real-time calculating in the cycle, and come scheduler task according to the integrated dispatch index of described task, handle to realize the electric power factory equipment of the task correspondence of described scheduling is controlled for the task distribution network right to use of described scheduling and to the task of described scheduling.
Described integrated dispatch index in current task described task of real-time calculating in the cycle, and come scheduler task according to the integrated dispatch index of described task, handle to realize the electric power factory equipment of the task correspondence of described scheduling is controlled for the task distribution network right to use of described scheduling and to the task of described scheduling, comprising:
When current task began to carry out described task in the cycle, pick up counting and gather the measurement data that the electric power factory equipment of described task correspondence reports, if the time of timing collected the measurement data that the electric power factory equipment of described task correspondence reports before surpassing the time tag of described task, then obtain the time of timing, gather the measurement data that the electric power factory equipment of the described task correspondence of storage in measurement data that the electric power factory equipment of described task correspondence reports and the nearest last duty cycle reports in the cycle according to current task and calculate the network transmission error; Time Calculation according to described task time corresponding label and timing goes out excess time, according to the priority of described task, the network transmission error that calculates and the integrated dispatch index that calculates described task excess time; Integrated dispatch index according to described task is come scheduler task, and the measurement data that reports for the task distribution network right to use of described scheduling and according to the electric power factory equipment of the task correspondence of described scheduling is handled to realize the electric power factory equipment of the task correspondence of described scheduling is controlled to the task of described scheduling; Simultaneously the measurement data that reports of electric power factory equipment of the described task correspondence of storage in the previous duty cycle is updated to the measurement data that the electric power factory equipment of current task described task correspondence in the cycle reports.
Described control function comprises control algolithm and configuration parameter, and described control algolithm is described engineer plant according to the control algolithm of the individual demand definition of the characteristics of power plant and/or power plant; Perhaps, described control algolithm is the self-defining ant group algorithm of described engineer plant, FUZZY ALGORITHMS FOR CONTROL, neural control algolithm and/or adaptive control algorithm.
A kind of power plant field control station, described power plant field control station comprises:
Receiver module, be used for receiving the first configuration file that host computer sends, comprise the control function that control system of power plant need be realized in the described first configuration file, described control function is the function that the figure drawn of engineer plant and/or the statement write are realized, and the corresponding one or more electric power factory equipments of described control function;
Collector is used for the described first configuration file is compiled into the configuration file that described power plant field control station can be identified;
Control module is used for the control function that the described first configuration file after operation compiles comprises, with realization the electric power factory equipment of described control function correspondence is controlled.
Described collector, concrete being used for comprises that with the described first configuration file figure and/or the statement of realizing described control function are compiled into the code that described power plant field control station can be identified according to argument formula Fundamentals of Compiling, to realize that the described first configuration file is compiled into the configuration file that described power plant field control station can be identified.
Described control module comprises:
First control module is used for and under power plant is in normal condition, when current task began to carry out described task in the cycle, picks up counting and gathers the measurement data that the electric power factory equipment of described task correspondence reports; If the time of timing collected the measurement data that the electric power factory equipment of described task correspondence reports before surpassing the time tag of described task, then according to the priority orders scheduler task of described task, be the task distribution network right to use of described scheduling, and the measurement data that reports according to the electric power factory equipment of the task correspondence of gathering described scheduling is handled to realize the electric power factory equipment of the task correspondence of described scheduling is controlled to the task of described scheduling; Store the measurement data that the electric power factory equipment of described task correspondence reports in the current task cycle simultaneously.
Described control module also comprises:
Second control module, be used for when described power plant becomes abnormality by normal condition, integrated dispatch index in current task described task of real-time calculating in the cycle, and come scheduler task according to the integrated dispatch index of described task, handle to realize the electric power factory equipment of the task correspondence of described scheduling is controlled for the task distribution network right to use of described scheduling and to the task of described scheduling.
In the present invention, power plant's field control station receives the first configuration file that host computer sends, comprise the control function that control system of power plant need be realized in the first configuration file, the control function is the function that the figure drawn of engineer plant and/or the statement write are realized, and the corresponding one or more electric power factory equipments of control function; The first configuration file is compiled into the configuration file that power plant's field control station can be identified, and the control function that the first configuration file after the operation compiling comprises is controlled the electric power factory equipment of control function correspondence with realization.So engineer plant can be incorporated into the advanced control strategy that occurs at present and the individual sexual demand of power plant in the control system of power plant, comes power plant is controlled.
Description of drawings
Fig. 1 is a kind of method flow diagram of controlling electric power factory equipment that the embodiment of the invention 1 provides;
Fig. 2 is a kind of method flow diagram of controlling electric power factory equipment that the embodiment of the invention 2 provides;
Fig. 3 is a kind of power plant field control station structural representation that the embodiment of the invention 3 provides.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 1, the embodiment of the invention provides a kind of method of controlling electric power factory equipment, comprising:
Step 101: power plant's field control station receives the first configuration file that host computer sends, comprise the control function that control system of power plant need be realized in the first configuration file, the control function is the function that the figure drawn of engineer plant and/or the statement write are realized, and the corresponding one or more electric power factory equipments of control function;
Step 102: power plant's field control station is compiled into the configuration file that power plant's field control station can be identified with the first configuration file;
Step 103: the control function that the first configuration file after power plant's field control station operation compiling comprises, with realization the electric power factory equipment of control function correspondence is controlled.
Further, above-mentioned steps 102 can comprise:
To comprise in the first configuration file that figure and/or the statement of realizing the control function are compiled into the code that power plant's field control station can be identified according to argument formula Fundamentals of Compiling, to realize that the first configuration file is compiled into the configuration file that power plant's field control station can be identified.
Further, above-mentioned steps 103 can comprise:
Each the control function that comprises in the first configuration file is divided into one or more tasks, and the corresponding one or more electric power factory equipments of task;
And under power plant is in normal condition, when current task began to execute the task in the cycle, picks up counting and gather the measurement data that the electric power factory equipment of this task correspondence reports; If the time of timing collected the measurement data that the electric power factory equipment of this task correspondence reports before surpassing the time tag of this task, then according to the priority orders scheduler task of this task, be the task distribution network right to use of scheduling, and the measurement data that reports according to the electric power factory equipment of the task correspondence of collection scheduling is handled to realize the electric power factory equipment of the task correspondence of scheduling is controlled to the task of scheduling; Store the measurement data that the electric power factory equipment of this task correspondence reports in the current task cycle simultaneously.
Further, each the control function that comprises in the described first configuration file is divided into after one or more tasks, also comprises:
When described power plant becomes abnormality by normal condition, integrated dispatch index in current task real-time this task of calculating in the cycle, and come scheduler task according to the integrated dispatch index of this task, handle to realize the electric power factory equipment of the task correspondence of scheduling is controlled for the task distribution network right to use of scheduling and to the task of scheduling; Further, can be specially:
When current task began to execute the task in the cycle, pick up counting and gather the measurement data that the electric power factory equipment of this task correspondence reports, if the time of timing collected the measurement data that the electric power factory equipment of this task correspondence reports before surpassing the time tag of this task, then obtain the time of timing, gather the measurement data that the electric power factory equipment of this task correspondence of storage in measurement data that the electric power factory equipment of this task correspondence reports and the nearest last duty cycle reports in the cycle according to current task and calculate the network transmission error; Time Calculation according to this task time corresponding label and timing goes out excess time, according to the priority of this task, the network transmission error that calculates and the integrated dispatch index that calculates this task excess time; Integrated dispatch index according to task is come scheduler task, and the measurement data that reports for the task distribution network right to use of scheduling and according to the electric power factory equipment of task correspondence of scheduling is handled to realize the electric power factory equipment of the task correspondence of scheduling is controlled to the task of scheduling; The measurement data that the electric power factory equipment of store tasks correspondence in the previous duty cycle is reported is updated to the measurement data that the electric power factory equipment of current task this task correspondence in the cycle reports simultaneously.
Wherein, above-mentioned control function comprises control algolithm and configuration parameter, and described control algolithm is engineer plant according to the control algolithm of the individual demand definition of the characteristics of power plant and/or power plant; Perhaps, described control algolithm is advanced control algorithms such as the self-defining ant group algorithm of engineer plant, FUZZY ALGORITHMS FOR CONTROL, neural control algolithm and adaptive control algorithm.
In embodiments of the present invention, power plant's field control station receives the first configuration file that host computer sends, comprise the control function that control system of power plant need be realized in the first configuration file, the control function is the function that the figure drawn of engineer plant and/or the statement write are realized, and the corresponding one or more electric power factory equipments of control function; The first configuration file is compiled into the configuration file that power plant's field control station can be identified, and the control function that the first configuration file after the operation compiling comprises is controlled the electric power factory equipment of control function correspondence with realization.So engineer plant can be incorporated into the advanced control strategy that occurs at present and the individual sexual demand of power plant in the control system of power plant, comes power plant is controlled.
Embodiment 2
As shown in Figure 2, the embodiment of the invention provides a kind of method of controlling electric power factory equipment, comprising:
Step 201: host computer obtains the first configuration file, the first configuration file comprises the control function that control system of power plant need be realized, this control function is the function that engineer plant figure self-defining and that draw for engineer plant and/or the statement write are realized;
Wherein, a power plant is before putting into operation, engineer plant need define the control function that the control system of power plant of power plant need be realized, and the control function of definition is carried out configuration, and the one or more electric power factory equipments in each corresponding power plant of control function of definition; Control system of power plant comprises equipment such as power plant's field control station and host computer, and each of power plant's field control station operation engineer plant definition controlled function and electric power factory equipment of each control function correspondence is controlled.In addition, each electric power factory equipment also can corresponding one or more control functions.
Wherein, host computer can provide a personal-machine interactive interface, engineer plant can be drawn the figure of realizing the control function and/or write the statement of realizing the control function in this human-computer interaction interface, define the control function in the human-computer interaction interface to be implemented in, and the control function of definition is carried out configuration; Host computer becomes the first configuration file with the control function package of engineer plant configuration then.Wherein, need to prove: engineer plant is drawn the figure of realizing the control function and/or is write the statement of realizing the control function according to the language rule of predefined, and the form with program code when host computer becomes the first configuration file with the control function package of engineer plant configuration will realize that the figure of each control function and/or the statement of writing are stored in the first configuration file, so the program code that each control function of storage comprises in the first configuration file.
For example, sweet-water tank is an electric power factory equipment in the power plant, engineer plant need define a control function that is used for the control sweet-water tank before power plant's operation, and the control function that is used for the control sweet-water tank can be specially: the liquid level to sweet-water tank is monitored in real time, if the liquid level of sweet-water tank is more than or equal to default liquid level, then close water compensating valve to stop to the sweet-water tank moisturizing, if the liquid level of sweet-water tank, is then opened the moisturizing threshold less than default liquid level to begin to the sweet-water tank moisturizing.
Wherein, need to prove: for any control function, power plant's field control stands in operation and should the control function during this control function be divided into one or more tasks and carries out, and the corresponding time tag of each task and priority, power plant's field control station need be carried out each task in each task time corresponding label; In addition, this control function comprises configuration parameter and control algolithm, configuration parameter comprises time tag and the priority of each task that this control function comprises, the device parameter that can also comprise the electric power factory equipment of this control function correspondence, task is corresponding with one or more electric power factory equipments in the power plant, and task comprises control task and/or communication task.
Wherein, engineer plant is in a control of definition function, can be specially: engineer plant is this control functional definition control algolithm according to the characteristics of power plant and/or the individual demand of power plant, and the control algolithm configuration parameter corresponding of definition is set, and so realizes having defined this control function; Perhaps, engineer plant can define the comparatively advanced control algolithm of current appearance, the control algolithm that the control algolithm of definition is comprised as this control function, and the control algolithm configuration parameter corresponding of definition is set, so realization has defined this control function.Wherein, the comparatively advanced control algolithm of current appearance comprises ant group algorithm, FUZZY ALGORITHMS FOR CONTROL, neural control algolithm and/or adaptive control algorithm etc.
For example, the device parameter of sweet-water tank is default liquid level, when engineer plant is used for the control function of control sweet-water tank in definition, engineer plant can be controlled the functional definition control algolithm for this, the i.e. default liquid level priority that the control algolithm of definition is set and this task is set of the device parameter of the time tag of comprising according to this control function of task and sweet-water tank so realizes having defined the control function that is used for the control brine tank then.
Further, can also comprise a plurality of control functions in advance in power plant's field control station, and the included control algolithm of control function in power plant's field control station is stored in advance all in the control algolithm storehouse of power plant's field control station; The control function that power plant's field control station can comprise it is presented in the human-computer interaction interface of host computer, engineer plant can be selected one or more control functions from the control function that human-computer interaction interface shows, each control function configuration parameter corresponding of selection is set, then each control function of selecting is carried out configuration; Each control function package that host computer is selected engineer plant becomes the second configuration file.
Step 202: host computer sends to power plant's field control station with the first configuration file;
Further, if host computer gets access to the second configuration file, then host computer can also send to power plant's field control station with the second configuration file.
Step 203: power plant's field control station receives the first configuration file that host computer sends, and the function of respectively controlling that comprises in the first configuration file is compiled, and the first configuration file is compiled into the configuration file that power plant's field control station can be identified;
Particularly, power plant's field control station receives the first configuration file that host computer sends, power plant's field control station can compile comprising figure and/or the statement of realizing the control function in the first configuration file according to argument formula Fundamentals of Compiling then, with comprising in the first configuration file that figure and/or the statement of realizing the control function are compiled into the code that power plant's field control station can be identified, so realize the first configuration file is compiled into the configuration file that power plant's field control station can be identified.
Wherein, the figure of each control function of realization that power plant's field control station comprises the first configuration file and/or the program code of statement carry out lexical analysis, and program code is divided into word, each word of dividing is carried out the intermediate code that grammatical analysis generates ternary formula and/or quaternary formula, further generate the executable sequence of function of power plant's field control station according to this intermediate code.
Wherein, the electric field controls station also can adopt existing compiler algorithm to compile comprising figure and/or the statement of realizing the control function in the first configuration file, will comprise in the first configuration file that figure and/or the statement of realizing the control function are compiled into the code that power plant's field control station can be identified.
Further, power plant's field control station can also obtain operating system and the language rule form of self, then with reference to operating system and the language rule form obtained, and compile comprising figure and/or the statement of realizing control function in the first configuration file according to argument formula Fundamentals of Compiling, will comprise in the first configuration file that figure and/or the statement of realization control function is compiled into the code that power plant's field control station can be identified.So can make the method for embodiment be applied to the control system of power plant that different vendor generates, have very strong dirigibility.
Wherein, need to prove: the code that power plant's field control station can be identified can be the U code, and the control function that comprises in the first configuration file all is the self-defining control function of engineer plant, and engineer plant adopts figure and/or statement to realize self-defining control function, therefore and power plant's field control station is respectively to control figure and/or the statement of function and to identify comprising realization in the first configuration file, can't directly move respectively to control function in the first configuration file.
Therefore, in the present embodiment, power plant's field control station is respectively controlled figure and/or the statement of function and is compiled comprising realization in the first configuration file, and will comprising in the first configuration file that realization respectively controls figure and/or the statement of function and be compiled into the code that power plant's field control station can be identified, the function of respectively controlling that so makes power plant's field control station can move in the first configuration file is controlled the electric power factory equipment of each control function correspondence realizing.
Further, if host computer sends the second configuration file to power plant's field control station, then power plant's field control station also receives the second configuration file, the control function that comprises in the second configuration file all is the function in power plant's field control station, and the code that the code of respectively controlling function that realizes comprising in the second configuration file all can be identified for power plant's field control station, therefore after power plant's field control station receives the second configuration file, do not need the second configuration file is compiled, just can directly move the function of respectively controlling that comprises in the second configuration file and with realization the electric power factory equipment of respectively controlling the function correspondence that the second configuration file comprises be controlled.
Step 204: power plant's field control station moves the control function that comprises in the first configuration file, with realization the electric power factory equipment in the power plant is controlled.
Wherein, when power plant's field control stands in each the control function that comprises in the operation first configuration file, earlier each the control function that comprises in the first configuration file is divided into one or more tasks; Further, if power plant's field control station also receives the second configuration file that host computer sends, then power plant's field control station can also be divided into one or more tasks with each the control function that comprises in the second configuration file.
After power plant's field control station has been divided task, priority according to the task of dividing sorts to the task of dividing, under power plant was in normal condition, power plant's field control stands in each duty cycle can carry out each task by the priority of each task; Be specially, when current task begins in the cycle to carry out the task of division, power plant's field control station picks up counting and gathers the measurement data that the electric power factory equipment of the task correspondence of division reports, if the time of timing collected the measurement data that the electric power factory equipment of the task correspondence of division reports before the time tag that surpasses the task of dividing, then according to the priority orders scheduler task of the task of dividing, be the task distribution network right to use of scheduling, the measurement data that reports according to the electric power factory equipment of the task correspondence of collection scheduling is handled to realize the electric power factory equipment of the task correspondence of scheduling is controlled to the task of scheduling; Store the measurement data that the electric power factory equipment of the task correspondence of dividing in the current task cycle reports simultaneously.
Wherein, the operation of the measurement data that the electric power factory equipment of the task correspondence that the power plant field control station was divided in the storage current task cycle reports can be specially: if power plant's field control station has been stored the measurement data that the electric power factory equipment of the task correspondence of division reports in duty cycle on nearest, then will be on nearest have stored the measurement data that electric power factory equipment that measurement data that the electric power factory equipment of the task correspondence of division reports is updated to the task correspondence of dividing in the cycle in current task reports in duty cycle; If carry out for the first time the task of dividing, the direct measurement data that reports of the electric power factory equipment of the storage task correspondence of dividing then.
Wherein, control system of power plant also comprises Monitor And Control Subsystem, and this Monitor And Control Subsystem is monitored the interior electric power factory equipment of power plant and control system of power plant etc., and whether definite power plant is in normal condition and still is in abnormality.
Wherein, when power plant becomes abnormality from normal condition, integrated dispatch index at current task real-time calculation task in the cycle, and come scheduler task according to the integrated dispatch index of this task, handle to realize the electric power factory equipment of the task correspondence of scheduling is controlled for the task distribution network right to use of scheduling and to the task of scheduling, can be specially:
When current task began to execute the task in the cycle, pick up counting and gather the measurement data that the electric power factory equipment of this task correspondence reports, if the time of timing collected the measurement data that the electric power factory equipment of this task correspondence reports before surpassing the time tag of this task, then obtain the time of timing, gather the measurement data that the electric power factory equipment of this task correspondence of storage in measurement data that the electric power factory equipment of this task correspondence reports and the nearest last duty cycle reports in the cycle according to current task and calculate the network transmission error; Time Calculation according to this task time corresponding label and timing goes out excess time, according to the priority of this task, the network transmission error that calculates and the integrated dispatch index that calculates this task excess time; Integrated dispatch index according to task is come scheduler task, handles to realize the electric power factory equipment of the task correspondence of scheduling is controlled for the task distribution network right to use of scheduling and to the task of scheduling; The measurement data that the electric power factory equipment of store tasks correspondence in the previous duty cycle is reported is updated to the measurement data that the electric power factory equipment of current task this task correspondence in the cycle reports simultaneously.
Wherein, also calculate the integrated dispatch index of this task by following formula (1) according to the priority of this task, the network transmission error that calculates and excess time;
Wherein, in formula (1),
Be weighting coefficient, e
i(k) the network transmission error for calculating, T
If(k) excess time for calculating, P
sBe the priority of this task, SSI is the integrated dispatch index of this task.
Wherein, in the present embodiment, engineer plant can be selected one or more tasks from the task of dividing in power plant's field control station; When power plant becomes abnormality by normal condition, power plant's field control stands in current task can be calculated the task of engineer plant selection in real time in the cycle integrated dispatch index, and come scheduler task according to the integrated dispatch index of selecting of task, handle to realize the electric power factory equipment of the task correspondence of scheduling is controlled for the task distribution network right to use of scheduling and to the task of scheduling.
Wherein, for certain task, if be that the time of this task timing is in the measurement data that reports above the electric power factory equipment that does not collect this task correspondence before the time tag of this task, it then is this task distribution network right to use, the measurement data that the electric power factory equipment that stores up this task correspondence according to nearest previous task cycle memory reports is handled this task, with realization the electric power factory equipment of this task correspondence is controlled; Perhaps, if before surpassing the time tag of this task, do not collect the measurement data that the electric power factory equipment of this task correspondence reports, then the form notification technique personnel to report to the police for time of this task timing.
In embodiments of the present invention, host computer sends to power plant's field control station with the first configuration file, and comprise the self-defining control function of engineer plant in the first configuration file, power plant's field control station is compiled into the configuration file that power plant's field control station can be identified with the first configuration file, and according to the first configuration file after the compiling electric power factory equipment in the power plant is controlled.So, engineer plant can define the control function according to characteristics and/or the individual demand of power plant, perhaps from the comparatively advanced control algolithm of current appearance, select control algolithm to define the control function, thereby make engineer plant the advanced control strategy that occurs at present and the individual sexual demand of power plant can be incorporated in the control system of power plant, come power plant is controlled.
Embodiment 3
As shown in Figure 3, the embodiment of the invention provides a kind of power plant field control station, comprising:
Wherein, collector 302, concrete being used for comprises that with the first configuration file figure and/or the statement of realizing the control function are compiled into the code that power plant's field control station can be identified according to argument formula Fundamentals of Compiling, to realize that the first configuration file is compiled into the configuration file that power plant's field control station can be identified.
Wherein, control module 302 comprises:
Division unit, each the control function that is used for the first configuration file is comprised is divided into one or more tasks, and the corresponding one or more electric power factory equipments of each task;
First control module is used for and under power plant is in normal condition, when current task began to execute the task in the cycle, picks up counting and gathers the measurement data that the electric power factory equipment of this task correspondence reports; If the time of timing collected the measurement data that the electric power factory equipment of this task correspondence reports before surpassing the time tag of this task, then according to the priority orders scheduler task of this task, be the task distribution network right to use of scheduling, and the measurement data that reports according to the electric power factory equipment of the task correspondence of collection scheduling is handled to realize the electric power factory equipment of the task correspondence of scheduling is controlled to the task of scheduling; Store the measurement data that the electric power factory equipment of this task correspondence reports in the current task cycle simultaneously.
Further, control module 302 also comprises:
Second control module, be used for when described power plant becomes abnormality by normal condition, integrated dispatch index in current task real-time this task of calculating in the cycle, and come scheduler task according to the integrated dispatch index of this task, handle to realize the electric power factory equipment of the task correspondence of scheduling is controlled for the task distribution network right to use of scheduling and to the task of scheduling.
Wherein, further, second control module, concrete being used for when current task began to execute the task in the cycle, pick up counting and gather the measurement data that the electric power factory equipment of this task correspondence reports, if the time of timing collected the measurement data that the electric power factory equipment of this task correspondence reports before surpassing the time tag of this task, then obtain the time of timing, gather the measurement data that the electric power factory equipment of this task correspondence of storage in measurement data that the electric power factory equipment of this task correspondence reports and the nearest last duty cycle reports in the cycle according to current task and calculate the network transmission error; Time Calculation according to this task time corresponding label and timing goes out excess time, according to the priority of this task, the network transmission error that calculates and the integrated dispatch index that calculates this task excess time; Integrated dispatch index according to task is come scheduler task, handles to realize the electric power factory equipment of the task correspondence of scheduling is controlled for the task distribution network right to use of scheduling and to the task of scheduling; The measurement data that the electric power factory equipment of store tasks correspondence in the previous duty cycle is reported is updated to the measurement data that the electric power factory equipment of current task this task correspondence in the cycle reports simultaneously.
Wherein, second control module can also calculate the integrated dispatch index of this task according to the priority of this task, the network transmission error that calculates and excess time by following formula (1);
Wherein, in formula (1),
Be weighting coefficient, e
i(k) the network transmission error for calculating, T
If(k) excess time for calculating, P
sBe the priority of this task, SSI is the integrated dispatch index of this task.
Wherein, above-mentioned control function comprises control algolithm and configuration parameter, and described control algolithm can be the control algolithm of engineer plant according to the individual demand definition of the characteristics of power plant and/or power plant; Perhaps, the control algolithm that can from ant group algorithm, FUZZY ALGORITHMS FOR CONTROL, neural control algolithm and adaptive control algorithm, select for engineer plant of described control algolithm.
In embodiments of the present invention, power plant's field control station receives the first configuration file that host computer sends, comprise the control function that control system of power plant need be realized in the first configuration file, the control function is the function that the figure drawn of engineer plant and/or the statement write are realized, and the corresponding one or more electric power factory equipments of control function; The first configuration file is compiled into the configuration file that power plant's field control station can be identified, and the control function that the first configuration file after the operation compiling comprises is controlled the electric power factory equipment of control function correspondence with realization.So engineer plant can be incorporated into the advanced control strategy that occurs at present and the individual sexual demand of power plant in the control system of power plant, comes power plant is controlled.
The all or part of step that one of ordinary skill in the art will appreciate that realization above-described embodiment can be finished by hardware, also can instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be ROM (read-only memory), disk or CD etc.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a method of controlling electric power factory equipment is characterized in that, described method comprises:
Power plant's field control station receives the first configuration file that host computer sends, comprise the control function that control system of power plant need be realized in the described first configuration file, described control function is the function that the figure drawn of engineer plant and/or the statement write are realized, and the corresponding one or more electric power factory equipments of described control function;
Described power plant field control station is compiled into the configuration file that described power plant field control station can be identified with the described first configuration file;
The control function that the described first configuration file after the field control station operation compiling of described power plant comprises is controlled the electric power factory equipment of described control function correspondence with realization;
Wherein, the control function that the described first configuration file after the field control station operation compiling of described power plant comprises comprises:
Each the control function that comprises in the described first configuration file is divided into one or more tasks, and the corresponding one or more electric power factory equipments of described task;
And under power plant is in normal condition, when current task began to carry out described task in the cycle, picks up counting and gather the measurement data that the electric power factory equipment of described task correspondence reports; If the time of timing collected the measurement data that the electric power factory equipment of described task correspondence reports before surpassing the time tag of described task, then according to the priority orders scheduler task of described task, be the task distribution network right to use of described scheduling, and the measurement data that reports according to the electric power factory equipment of the task correspondence of gathering described scheduling is handled to realize the electric power factory equipment of the task correspondence of described scheduling is controlled to the task of described scheduling; Store the measurement data that the electric power factory equipment of described task correspondence reports in the current task cycle simultaneously.
2. the method for claim 1 is characterized in that, described power plant field control station is compiled into the configuration file that described power plant field control station can be identified with the described first configuration file, comprising:
To comprise in the described first configuration file that figure and/or the statement of realizing described control function are compiled into the code that described power plant field control station can be identified according to argument formula Fundamentals of Compiling, to realize that the described first configuration file is compiled into the configuration file that described power plant field control station can be identified.
3. the method for claim 1 is characterized in that, described each the control function that comprises in the described first configuration file is divided into after one or more tasks, also comprises:
When described power plant becomes abnormality by normal condition, integrated dispatch index in current task described task of real-time calculating in the cycle, and come scheduler task according to the integrated dispatch index of described task, handle to realize the electric power factory equipment of the task correspondence of described scheduling is controlled for the task distribution network right to use of described scheduling and to the task of described scheduling.
4. method as claimed in claim 3, it is characterized in that, described integrated dispatch index in current task described task of real-time calculating in the cycle, and come scheduler task according to the integrated dispatch index of described task, handle to realize the electric power factory equipment of the task correspondence of described scheduling is controlled for the task distribution network right to use of described scheduling and to the task of described scheduling, comprising:
When current task began to carry out described task in the cycle, pick up counting and gather the measurement data that the electric power factory equipment of described task correspondence reports, if the time of timing collected the measurement data that the electric power factory equipment of described task correspondence reports before surpassing the time tag of described task, then obtain the time of timing, gather the measurement data that the electric power factory equipment of the described task correspondence of storage in measurement data that the electric power factory equipment of described task correspondence reports and the nearest last duty cycle reports in the cycle according to current task and calculate the network transmission error; Time Calculation according to described task time corresponding label and timing goes out excess time, according to the priority of described task, the network transmission error that calculates and the integrated dispatch index that calculates described task excess time; Integrated dispatch index according to described task is come scheduler task, and the measurement data that reports for the task distribution network right to use of described scheduling and according to the electric power factory equipment of the task correspondence of described scheduling is handled to realize the electric power factory equipment of the task correspondence of described scheduling is controlled to the task of described scheduling; Simultaneously the measurement data that reports of electric power factory equipment of the described task correspondence of storage in the previous duty cycle is updated to the measurement data that the electric power factory equipment of current task described task correspondence in the cycle reports.
5. as the described method of each claim of claim 1-4, it is characterized in that,
Described control function comprises control algolithm and configuration parameter, and described control algolithm is described engineer plant according to the control algolithm of the individual demand definition of the characteristics of power plant and/or power plant; Perhaps, described control algolithm is FUZZY ALGORITHMS FOR CONTROL, neural control algolithm and/or the adaptive control algorithm of described engineer plant oneself definition.
6. power plant's field control station is characterized in that, described power plant field control station comprises:
Receiver module, be used for receiving the first configuration file that host computer sends, comprise the control function that control system of power plant need be realized in the described first configuration file, described control function is the function that the figure drawn of engineer plant and/or the statement write are realized, and the corresponding one or more electric power factory equipments of described control function;
Collector is used for the described first configuration file is compiled into the configuration file that described power plant field control station can be identified;
Control module is used for the control function that the described first configuration file after operation compiles comprises, with realization the electric power factory equipment of described control function correspondence is controlled;
Wherein, described control module comprises:
First control module is used for and under power plant is in normal condition, when current task began to carry out described task in the cycle, picks up counting and gathers the measurement data that the electric power factory equipment of described task correspondence reports; If the time of timing collected the measurement data that the electric power factory equipment of described task correspondence reports before surpassing the time tag of described task, then according to the priority orders scheduler task of described task, be the task distribution network right to use of described scheduling, and the measurement data that reports according to the electric power factory equipment of the task correspondence of gathering described scheduling is handled to realize the electric power factory equipment of the task correspondence of described scheduling is controlled to the task of described scheduling; Store the measurement data that the electric power factory equipment of described task correspondence reports in the current task cycle simultaneously.
7. power plant as claimed in claim 6 field control station is characterized in that,
Described collector, concrete being used for comprises that with the described first configuration file figure and/or the statement of realizing described control function are compiled into the code that described power plant field control station can be identified according to argument formula Fundamentals of Compiling, to realize that the described first configuration file is compiled into the configuration file that described power plant field control station can be identified.
8. power plant as claimed in claim 6 field control station is characterized in that described control module also comprises:
Second control module, be used for when described power plant becomes abnormality by normal condition, integrated dispatch index in current task described task of real-time calculating in the cycle, and come scheduler task according to the integrated dispatch index of described task, handle to realize the electric power factory equipment of the task correspondence of described scheduling is controlled for the task distribution network right to use of described scheduling and to the task of described scheduling.
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| CN101266475A (en) * | 2008-05-13 | 2008-09-17 | 四方电气(集团)有限公司 | Programmable logic control method based on on site bus communication |
| CN101706656A (en) * | 2009-05-26 | 2010-05-12 | 上海海事大学 | Development platform for automatic power station of ships |
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| CN101266475A (en) * | 2008-05-13 | 2008-09-17 | 四方电气(集团)有限公司 | Programmable logic control method based on on site bus communication |
| CN101706656A (en) * | 2009-05-26 | 2010-05-12 | 上海海事大学 | Development platform for automatic power station of ships |
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