CN102915002B - A kind of dcs - Google Patents
A kind of dcs Download PDFInfo
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- CN102915002B CN102915002B CN201210066850.2A CN201210066850A CN102915002B CN 102915002 B CN102915002 B CN 102915002B CN 201210066850 A CN201210066850 A CN 201210066850A CN 102915002 B CN102915002 B CN 102915002B
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- apc
- dcs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a kind of dcs, comprise display module, for showing DCS operation interface, and providing APC control interface and APC measurement interface by DCS operation interface; DCS control module, for being received the DCS operational order of user by DCS operation interface, is performed the DCS corresponding with DCS operational order and operates; APC control module, during for selecting APC control interface user, by the information of APC control inerface display APC performance variable, receives performance variable steering order by APC control inerface, performs the operation corresponding with performance variable steering order; And APC measurement module, during for selecting APC measurement interface user, measured the information of interface display APC controlled variable by APC, measure interface by APC and receive controlled variable steering order, perform the operation corresponding with controlled variable steering order.The application embodiment of the present invention can simplify the step that user carries out APC control operation, improves the efficiency of APC control operation.
Description
Technical field
The present invention relates to process control technology field, be specifically related to a kind of dcs.
Background technology
In modernization industrial processes, there is interactional coupled relation between each technique unit and control loop in usual technological process more complicated.Because dcs (DCS) has flexible configuration, the features such as reliable and configuration is convenient, are widely used in the industrial production.In DCS application, conventional control mode, as although PID controls the automatic control problem that can solve most of control objectives, but with productive capacity, energy consumption, the closely-related key control loop of product quality, conventional control technology often cannot be adopted to realize automatically controlling or optimal control, still need to carry out operating personnel's rule of thumb Non-follow control.In order to improve the Control platform of process units, realize edge operation, along with the development of computing machine and infotech, Advanced process control (APC) is arisen at the historic moment, and is progressively popularized in the Large processes Industry Control such as oil refining, petrochemical industry.
At present, in the industrial production, DCS system and process units synchronized construction, do not comprise APC function in common DCS system yet.Only have when after process units normal operation, then implement APC project by the APC service provider of specialty.Because DCS application in prior art and APC application are separate, both operation interfaces are also separate.For the user implementing APC application, when needs carry out APC control, user needs the interface of applying to APC from the changing interface of DCS application, and after completing APC control operation, then switch back to the interface of DCS application, whole process operation is more loaded down with trivial details.
In DCS application, for the ease of the operation of user, the interface of DCS application comprises flow chart interface.Flow chart interface shows each technique unit and control loop, DCS user can see the ruuning situation of whole production line intuitively, and by clicking the panel of PID corresponding to the control loop opened on flow chart interface, the adjustment of set point (SP) can be carried out.But because the operation interface of DCS application and APC application is separate, the changing interface that user applies from DCS is behind the interface that APC applies, former flow chart interface cannot be viewed, also the ruuning situation of control system cannot just be understood, especially when the performance variable of APC application is more, user cannot get information about the situation of the performance variable that each APC applies, can only adjust multiple performance variable in an interface, or frequently carry out the switching of operation interface, easy generation maloperation, have impact on convenient degree and the accuracy of APC operation.
Summary of the invention
Embodiments provide a kind of dcs, by APC application integration on DCS, when user carries out APC control operation in dcs, the step of user's APC control operation can be simplified, improve the efficiency of APC control operation.
According to an aspect of the present invention, a kind of dcs is provided, comprises:
Display module, for showing DCS operation interface, and provides APC control interface and APC measurement interface by described DCS operation interface;
DCS control module, for being received the DCS operational order of user by described DCS operation interface, is performed the DCS corresponding with described DCS operational order and operates;
APC control module, for when described user selects described APC control interface, by the information of APC control inerface display APC performance variable, receive performance variable steering order by described APC control inerface, perform the operation corresponding with described performance variable steering order; And
APC measurement module, for when described user selects described APC measurement interface, measured the information of interface display APC controlled variable by APC, measure interface by described APC and receive controlled variable steering order, perform the operation corresponding with described controlled variable steering order.
Preferably, described DCS operation interface comprises the flow chart interface of DCS.
Preferably, described APC control inerface or described APC measure interface display on described DCS flow chart interface.
Preferably, described APC control inerface comprises the information of one or more APC performance variable.
Preferably, described DCS operation interface comprises the DCS variable operation interface of corresponding DCS variable, and the APC performance variable in described APC control inerface is identical with described DCS variable.
Preferably, the DCS variable operation interface of described corresponding DCS variable comprises the PID control panel of corresponding described DCS variable.
Preferably, the described APC control interface that provides on DCS operation interface comprises: measure button interface providing corresponding A PC control inerface at described DCS;
Described user selects described APC control interface to comprise: described user clicks the button of described corresponding A PC control inerface.
Preferably, described on DCS operation interface for user provides APC measurement interface to comprise: on described DCS operation interface, show described APC controlled variable;
Described user selects described APC measurement interface to comprise: described user clicks the APC controlled variable of described display.
Preferably, the information of described APC performance variable comprises: the upper limit of described APC performance variable value, lower limit, predicted value or variable switch;
The information of described APC controlled variable comprises: the upper limit of described APC controlled variable value, lower limit, predicted value or variable switch.
The dcs tool that the embodiment of the present invention provides has the following advantages.
In embodiments of the present invention, DCS application and APC application combine, user can enter APC control inerface easily in the interface of DCS application or APC measures interface, simplify the step mutually switched between the interface of DCS application and the interface of APC application, make user in DCS system, carry out APC control more convenient.Further, because user when carrying out APC and controlling with reference to DCS flow chart interface, thus can understand the situation of whole system, be conducive to user directly perceived, effectively carry out APC control, improve the efficiency that APC controls.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the structure of dcs in the embodiment of the present invention.
Fig. 2 is the schematic diagram at the interface of APC application in prior art.
Fig. 3 is the schematic diagram of PID control panel in the embodiment of the present invention.
Fig. 4 is the schematic diagram of APC control inerface in the embodiment of the present invention.
Fig. 5 is the schematic diagram that in the embodiment of the present invention, APC measures interface.
Embodiment
In order to make the object of the embodiment of the present invention, technical scheme and advantage clearly, below illustrating further describes the embodiment of the present invention.
The embodiment of the present invention provides dcs to comprise display module, DCS control module, APC control module and APC measurement module.Wherein, display module for showing DCS operation interface, and provides APC control interface and APC measurement interface by this DCS operation interface; DCS control module is used for the DCS operational order being received user by this DCS operation interface, performs the DCS corresponding with this DCS operational order and operates; APC control module is used for when user have selected APC control interface, by the information of APC control inerface display APC performance variable, received the performance variable steering order of this user by described APC control inerface, perform the operation corresponding with this performance variable steering order; APC measurement module is used for when user selects this APC measurement interface, is measured the information of interface display APC controlled variable by APC, measures interface and receives controlled variable steering order, perform the operation corresponding with described controlled variable steering order by described APC.
Below by accompanying drawing, the embodiment of the present invention is described in detail.
Fig. 1 shows the schematic diagram of the structure of dcs in the embodiment of the present invention.As shown in Figure 1, this dcs comprises display module 11, DCS control module 12, APC control module 13 and APC measurement module 14.
Display module 11 for showing DCS operation interface, and provides APC control interface and APC measurement interface by this DCS operation interface.In embodiments of the present invention, original DCS operation interface adds APC control interface and APC measurement interface, thus by APC control integration in DCS application.
DCS control module 12, for being received the DCS operational order of user by this DCS operation interface, is performed the DCS corresponding with described DCS operational order and operates.
In embodiments of the present invention, display module 11 and DCS control module 12 are just to the division of function in DCS application.In actual applications, the performance element in DCS, as PID unit etc. can comprise the function of display module 11 and DCS control module 12 simultaneously.
APC control module 13 is for selecting this APC control interface during user, by the information of this APC control inerface display APC performance variable, receives performance variable steering order by described APC control inerface, performing the operation corresponding with this performance variable steering order.In embodiments of the present invention, APC control module 13 is applied by the APC control interface on DCS operation interface and DCS and is combined, and completes the operation to performance variable in APC application.
In DCS application, user can control the performance variable in control loop.Performance variable icon and information displaying are on flow chart interface, and user can directly check or click the icon of certain performance variable corresponding, eject to carrying out control operation in the operation interface of performance variable.In the prior art, when user wishes to carry out APC control to certain performance variable, need to be switched to APC interface from flow chart interface, in all operations variable, find this performance variable, just can operate on it afterwards.
According to the embodiment of the present invention, flow chart interface directly provides APC control interface, preferably, corresponding APC control interface can be provided for each performance variable, after user have selected certain APC control interface, the information displaying of the APC performance variable corresponding with this APC control interface is on the APC control inerface ejected.User can directly operate this performance variable on this APC control inerface.
During due to display APC control inerface, the flow chart interface of DCS is not closed, and namely APC control inerface is directly presented on flow chart interface, and user can while reference whole system ruuning situation, this performance variable is operated, thus it is more directly perceived and accurate that APC is controlled.After completing the operation to this performance variable, the APC control inerface that user closes this ejection just can turn back to the flow process interface of DCS, DCS flow chart interface is first closed with prior art, the process opening the interface of APC application is again compared, the application embodiment of the present invention also can reduce the step realizing control operation, improves efficiency and the convenience of control operation.
In addition, because the performance variable in control loop can control in DCS application and APC application simultaneously, in embodiments of the present invention, also APC control interface can be arranged in the DCS variable operation interface corresponding with this performance variable.User clicks the icon of this performance variable in flow chart interface, first eject should the DCS variable operation interface of performance variable, if user also wants to carry out APC control to this performance variable, then can select APC control interface in DCS variable operation interface, thus enter should the APC control inerface of performance variable, and APC control be carried out to this performance variable.Now user can also check flow chart interface, also can carry out DCS control to this performance variable, well improve the operability of carrying out APC control in DCS platform, also contributes to improving control efficiency.
APC measurement module 14 in embodiment of the present invention dcs is for selecting this APC measurement interface during user, the information of interface display APC controlled variable is measured by APC, receive the controlled variable steering order of described user, perform the operation corresponding with described controlled variable steering order.In embodiments of the present invention, APC control module 14 can realize the operation to controlled variable in existing APC application.
In DCS application, the information of controlled variable, as numerical value, unit etc. are all directly presented on flow chart interface, only check for user.But the control operation also comprised in APC application these controlled variables.In the prior art, when user wishes to carry out APC operation to certain controlled variable, need to be switched to APC interface from flow chart interface, in whole controlled variable, find this controlled variable, just can operate on it afterwards.
According to the embodiment of the present invention, flow chart interface directly provides APC measurement interface, corresponding APC measurement interface can be provided for each controlled variable, after user have selected certain APC measurement interface, the information displaying of the APC controlled variable corresponding with this APC measurement interface is measured on interface at the APC ejected.User directly can measure on interface at this APC and operate this controlled variable.Thus it is more directly perceived and accurate that APC is controlled, and improve efficiency and the convenience of control operation.
Below to apply the reheat furnace system of DCS, this dcs in the embodiment of the present invention is described in detail.
In reheat furnace system, the control loop of Partial key and measuring-signal are included into the scope that APC controls.Such as, the performance variable in control loop can comprise multiple feed rate, stack damper aperture etc., and measuring-signal can comprise outlet temperature, combustion chamber draft, flue gas Excess oxygen content etc.By the control to performance variable, the value of controlled object can be regulated, and showed by measuring-signal.Below using heating furnace feed rate as APC performance variable, be example using the heater outlet temperature of correspondence as APC controlled variable, control to be described to the APC applied in the reheat furnace system of DCS.
In the prior art, the interface that the APC existed independent of DCS flow chart interface applies as shown in Figure 2.Can find out, the parameter of all APC performance variables and APC controlled variable is shown in this interface, user is when controlling, cannot with reference to the overall condition of reheat furnace system, and need to find from intensive data the performance variable or controlled variable that need to control, have impact on efficiency and the accuracy of APC control.
In an embodiment, in the DCS variable operation interface corresponding with this feed rate, APC control interface is set, as shown in Figure 3, display module 11 provides APC control interface by PID control panel, and Fig. 3 shows in the present embodiment the PID control panel adding APC button.
In the present embodiment, be preferable examples of the present invention using APC button as APC control interface, be not limited to the present invention.When applying the embodiment of the present invention, APC control interface also can adopt other forms such as radio box.
In DCS application, it is a kind of conventional control mode that PID controls, and usual DCS application all can provide the PID control panel of respective operations variable, when user clicks the icon corresponding with performance variable in flow chart interface, PID control panel can be ejected, thus make user carry out PID control.
In the present embodiment, user clicks the icon of this feed rate corresponding in the flow chart interface of DCS, ejects PID control panel as shown in Figure 3.When user needs to carry out APC operation, user can click the APC button on PID control panel, thus enters APC control inerface, as shown in Figure 4.User can adjust the upper limit or the lower limit of feed rate in the APC control inerface shown in Fig. 4, starts or stops APC and controls, and APC control module 13, according to the dependent instruction of user, performs corresponding operation, thus carries out APC control to feed rate.In embodiments of the present invention, can according to actual conditions need APC control inerface is adjusted, do not repeat them here.
In this enforcement, make use of the PID control panel of existing respective operations variable in DCS application, APC control interface is added in this PID control panel, namely be switched to the button of APC control inerface from PID control panel, thus facilitate user, while carrying out PID control, APC control is carried out to same performance variable.Further, because the size of PID control panel and APC control inerface is all smaller, even if be presented on DCS flow chart interface, also can not check that DCS flow chart interface causes very large impact to user, therefore, be very easy to the APC control operation of user.In the present embodiment, PID control panel is preferable examples of the present invention, the protection domain be not intended to limit the present invention, and other DCS Variable Control interfaces also may be used for the embodiment of the present invention.
When applying the embodiment of the present invention, also in the flow chart interface of DCS, an APC control interface can be set for multiple related operating variable.When the corresponding APC control interface of multiple performance variable, the APC control inerface corresponding with this APC control interface comprises the information of the plurality of performance variable, and user can carry out APC control to the plurality of performance variable.
In the present embodiment, in DCS flow chart interface, be provided with the APC measurement interface of corresponding heater outlet temperature.Particularly, corresponding with heater outlet temperature in DCS flow chart interface position receives the click of user.When user needs to control this measurand of heater outlet temperature, user can directly click this position, ejects the APC corresponding with heater outlet temperature and measures interface.
APC measurement interface is in the present embodiment preferable examples of the present invention, is not limited to the present invention.When applying the embodiment of the present invention, APC control interface also can adopt other forms such as button.
In the present embodiment, user clicks the position corresponding with heater outlet temperature on DCS flow chart interface, and the APC ejected as shown in Figure 5 measures interface.User can measure at the APC shown in Fig. 5 the upper limit or the lower limit that regulate corresponding heater outlet temperature in interface, starts or stops APC and controls.APC measurement module 14, according to the dependent instruction of user, performs corresponding operation, thus carries out APC control to heater outlet temperature.In embodiments of the present invention, can according to actual conditions need to APC measure interface adjust, do not repeat them here.
Due in the prior art, the information of measurand, as numerical value, be presented in flow chart interface between unit etc., user can only check its information.If want to carry out APC control to heater outlet temperature, need first to be switched to APC interface shown in Fig. 2 from flow chart interface, in APC interface, find heater outlet temperature, and carry out APC control, switching back flow chart interface afterwards.Not only complex operation, due to cannot reference flow sheet interface, the operation of user be also very inconvenient.
According to the present embodiment, user directly can click position corresponding to heater outlet temperature in flow chart interface, measures in interface carry out APC control at the APC ejected, and directly closes APC afterwards and measures interface, measuring the closedown icon in the upper right corner, interface as clicked APC, can flow chart interface be come back to.
Visible, in embodiments of the present invention, DCS application and APC application combine, user can enter APC control inerface easily in the interface of DCS application or APC measures interface, simplify the step mutually switched between the interface of DCS application and the interface of APC application, make user in DCS system, carry out APC control more convenient.Further, because user when carrying out APC and controlling with reference to DCS flow chart interface, thus can understand the situation of whole system, be conducive to user directly perceived, effectively carry out APC control, improve the efficiency that APC controls.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Can to being improved appropriately according to a preferred embodiment of the invention in concrete implementation process, to adapt to the concrete needs of concrete condition.Therefore be appreciated that the specific embodiment of the present invention as herein described just plays an exemplary role, not in order to limit the scope of the invention.
Claims (8)
1. a dcs, is characterized in that, described dcs comprises:
Display module (11), for showing DCS operation interface, and provides APC control interface and APC measurement interface by described DCS operation interface;
DCS control module (12), for being received the DCS operational order of user by described DCS operation interface, is performed the DCS corresponding with described DCS operational order and operates;
APC control module (13), for when described user selects described APC control interface, by the information of APC control inerface display APC performance variable, receive performance variable steering order by described APC control inerface, perform the operation corresponding with described performance variable steering order; And
APC measurement module (14), for when described user selects described APC measurement interface, measured the information of interface display APC controlled variable by APC, measure interface by described APC and receive controlled variable steering order, perform the operation corresponding with described controlled variable steering order;
Wherein, described DCS operation interface comprises the DCS variable operation interface of corresponding DCS variable, and described APC control interface is arranged in described DCS variable operation interface, and user can select APC control interface and enter APC control inerface from DCS variable operation interface.
2. dcs according to claim 1, is characterized in that, wherein, described DCS operation interface comprises the flow chart interface of DCS.
3. dcs according to claim 2, is characterized in that, wherein, described APC control inerface or described APC measure interface display on described DCS flow chart interface.
4. dcs according to claim 2, is characterized in that, wherein, described APC control inerface comprises the information of one or more APC performance variable.
5. dcs according to claim 1, is characterized in that, wherein, the DCS variable operation interface of described corresponding DCS variable comprises the PID control panel of corresponding described DCS variable.
6. the dcs according to any one of claim 1 to 5, is characterized in that, wherein,
The described APC control interface that provides on DCS operation interface comprises: the button providing corresponding A PC control inerface on described DCS variable operation interface;
Described user selects described APC control interface to comprise: described user clicks the button of described corresponding A PC control inerface.
7. the dcs according to any one of claim 1 to 5, is characterized in that, wherein, described on DCS operation interface for user provides APC measurement interface to comprise: on described DCS operation interface, show described APC controlled variable;
Described user selects described APC measurement interface to comprise: described user clicks the APC controlled variable of described display.
8. dcs according to claim 1, is characterized in that, wherein,
The information of described APC performance variable comprises: the upper limit of described APC performance variable value, lower limit, predicted value or variable switch;
The information of described APC controlled variable comprises: the upper limit of described APC controlled variable value, lower limit, predicted value or variable switch.
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| CN105988437A (en) * | 2015-02-10 | 2016-10-05 | 张家港市宏鑫源科技有限公司 | Multi-stage universal rolling mill adopting distributed control system |
| CN113359423A (en) * | 2021-07-02 | 2021-09-07 | 陕西能化技术服务有限公司 | Advanced control station and distributed processing control unit interface implementation method |
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| CN101681161A (en) * | 2007-03-26 | 2010-03-24 | 霍尼韦尔国际公司 | Apparatus and method for visualizaiton of control techniques in a process control system |
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