CN107703864B - A kind of real-time status reconstructing method based on remote monitoring system - Google Patents
A kind of real-time status reconstructing method based on remote monitoring system Download PDFInfo
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- CN107703864B CN107703864B CN201711191248.0A CN201711191248A CN107703864B CN 107703864 B CN107703864 B CN 107703864B CN 201711191248 A CN201711191248 A CN 201711191248A CN 107703864 B CN107703864 B CN 107703864B
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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Abstract
The present invention discloses a kind of real-time status reconstructing method based on remote monitoring system, comprising: server receives the input/output argument for the monitored object that monitored object is sent；Input/output argument is the information for the monitored object for belonging to last moment that server receives；Server completes the on-line identification to monitored object according to input/output argument, by on-line identification model, determines the real time status information of current time monitored object；Determining real time status information is sent at least one client by server, so that client carries out state presentation according to real time status information.The above method solve the problems, such as in remote monitoring system as data transmission procedure when ductility caused by monitored object state not can display real-time.
Description
Technical field
The invention belongs to remote control technology field more particularly to a kind of real-time status reconstruct based on remote monitoring system
Method.
Background technique
HDU3000-8 type process control device be mainly used for in chemical production process liquid level, pressure, flow,
The typical parameter such as temperature carries out automatically controlling.Level parameter is in production process convenient for directly observation, the easy common ginseng of measurement
Number.With the experimental system that the change procedure of liquid level is constituted, process configuration can be neatly carried out, a variety of different controlling parties are implemented
Case, it can not only meet the application requirement of actual field, and can prove the research of new theory and provide strong put down
Platform.
Currently, the monitoring interface of the existing monitoring system of HDU3000-8 type process control device is still concentrated mostly
In local, although the long-range monitoring of HDU3000-8 type process control device may be implemented in the prior art, due to long-range
Ductility in the presence of in data in monitoring system transmission process, inevitably result in that monitored object state not can display real-time asks
Topic, this is a problem for requiring stringent production process to real time monitoring.
Summary of the invention
(1) technical problems to be solved
In order to solve the above problem of the prior art, the present invention provides a kind of real-time status weight based on remote monitoring system
Structure method.
(2) technical solution
To achieve the above object, the main technical schemes that the present invention uses include:
A kind of real-time status reconstructing method based on remote monitoring system, comprising:
Server receives the input/output argument for the monitored object that monitored object is sent；The input/output argument is
What the server received belongs to the information of the monitored object of last moment；
The server is completed to exist to the monitored object according to the input/output argument, by on-line identification model
Line identification, determines the real time status information of monitored object described in current time；
The determining real time status information is sent at least one client by the server so that the client according to
State presentation is carried out according to the real time status information.
Further, the server receives the input/output argument for the monitored object that the monitored object is sent
Before step, the method also includes: according to the status information of current monitor object, establish the on-line identification of the monitored object
Model；The on-line identification model is used under the scene in long-range monitoring there are time delay, the upper a period of time obtained using long-range monitoring
Carve the status information at the input/output argument estimation current time of the monitored object.
Further, the on-line identification model in the server are as follows:
A(z-1) y (k)=z-dB(z-1)u(k)
ai(i=1 ..., nA), bj(j=1 ..., nA) it is respectively multinomial A (z-1), B (z-1) unknowm coefficient；N is nature
Number；
If monitored object is single order cistern system, the corresponding on-line identification model of single order cistern system are as follows:
Y (k)=ay (k-1)+bu (k-1)；
Y (k), u (k) are the input/output argument of the monitored object.
Further, the server is completed by on-line identification model to described according to the input/output argument
The on-line identification of monitored object determines the real time status information of monitored object described in current time, comprising:
The server selects the monitored object on-line identification model according to the input/output argument of the monitored object；
And according to the input/output argument, the on-line identification model based on selection obtains the unknowm coefficient of on-line identification model, with
Establish the on-line identification model that can be predicted；It is obtained according to the input/output argument based on the on-line identification model having built up
Take the real time status information of monitored object described in current time.
Further, the monitored object is HDU3000-8 type process control device, the process control experiment dress
Set includes: cistern system, Water Tank Control System and host computer；
The host computer connects the Water Tank Control System and the cistern system, described in the Water Tank Control System connection
Cistern system, the host computer send the input/output argument to the server.
Further, the input/output argument be the cistern system that the host computer is acquired with OPC agreement aperture,
Liquid level.
Further, the cistern system include: water tank is sequentially connected in series by inlet pipeline and water return pipeline it is upper
Water tank, middle water tank and lower header are equipped with liquid level sensing device in the water tank, be equipped in the inlet pipeline flowmeter,
Pumping installations and pressure gauge.
Further, the server is Cloud Server；The client is intelligent terminal.
Further, the output ginseng that the real time status information includes: the current time estimated is presented in the client
Number.
Further, the method also includes: the server accesses database by JDBC mode, and will be received defeated
The sending time for entering output parameter and the input/output argument stores in the database.
(3) beneficial effect
The beneficial effects of the present invention are:
A kind of real-time status reconstructing method based on remote monitoring system of the present invention receives monitored object hair by server
The data sent, the real time status information of current time monitored object is determined according to these data servers, to realize to prison
Control object state reconstructed in real time, solve remotely monitor in as data transmission procedure when ductility caused by monitoring
The problem of Obj State not can display real-time.
Detailed description of the invention
Fig. 1 is the system for real-time status reconstructing method of the execution based on remote monitoring system that one embodiment of the invention provides
Schematic diagram；
Fig. 2 provides the schematic diagram of the cistern system of HDU3000-8 type process control device for one embodiment of the invention；
Fig. 3 is the schematic diagram for the real-time status reconstructing method based on remote monitoring system that one embodiment of the invention provides.
[description of symbols]
1:Android intelligent terminal；2: Cloud Server；3: local PC；4: control cabinet；5: cistern system；50: water inlet pipe
Road；51: upper water box；52: middle water tank；53: lower header；54: water tank；55: liquid level sensor；56: turbine flowmeter；57: pressure
Table；58: centrifugal pump；59: water return pipeline.
Specific embodiment
In order to better explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
In order to which further explanation illustrates the present invention, the monitored object in the present invention is described in detail first, in conjunction with
Shown in Fig. 1 and Fig. 2.
The present invention carries out shape by the system shown in FIG. 1 for executing the real-time status reconstructing method based on remote monitoring system
State signal reconstruct, the system of real-time status reconstructing method of the execution based on remote monitoring system in Fig. 1 can include:
Client, what user held, can real time inspection monitored object information client, such as intelligent terminal；
Background server, such as Cloud Server；
Monitored object can be experimental provision shown in FIG. 1.I.e. the monitored object of the present embodiment can be HDU3000-8 type process
Experimental provision is controlled, certain the present embodiment is not limited to HDU3000-8 type process control device, any required real-time status
Reconstruct can use, and only be illustrated with the cistern system of HDU3000-8 type process control device.
HDU3000-8 type process control device includes: cistern system 5, Water Tank Control System (control as shown in Figure 1
Cabinet processed) and host computer (local PC as shown in Figure 1)；
It will be appreciated that in practical applications, host computer connects Water Tank Control System and cistern system 5, water tank control system
System connection cistern system 5, host computer are acquired the input/output argument of cistern system 5 by OPC agreement, are then transmit to service
Device.
As shown in Figure 1, in the present embodiment, for realizing a kind of real-time status reconstructing method based on remote monitoring system
System include Android intelligent terminal 1, Cloud Server 2, local PC3, control cabinet 4 and cistern system 5, wherein water tank control
System can be regarded as the control cabinet 4 in Fig. 1, and host computer can be regarded as the local PC3 in Fig. 1, and server can be Cloud Server 2；
By treated, result is transmitted to Android intelligent terminal 1 to Cloud Server 2.
For cistern system 5 with control cabinet 4 by being communicatively coupled using RS483/RS232, control cabinet 4 passes through Ethernet
Form is connect with local PC3, and local PC3 is communicated to connect by wireless network and Cloud Server 2, while local PC3 and cloud service
Device 2 communicates, and then connecting (Java DataBase Connectivity, abbreviation JDBC) technology by java database will reception
Input/output argument be stored in the database of Cloud Server 2, Cloud Server 2 by wireless network and Android intelligence eventually
Hold 1 connection communication.
Cistern system 5 as shown in Figure 2 includes: upper water box 51, middle water tank 52, lower header 53, water tank 54, liquid level sensor
55, flowmeter, pumping installations, pressure gauge 57, inlet pipeline 50 and water return pipeline 59.Flowmeter uses turbine flow in the present embodiment
Meter 56, pumping installations use centrifugal pump 58.Its specific connection type are as follows: water tank 54 by water return pipeline 59 successively with upper water box
51, middle water tank 51 and lower header 53 are connected in series, and the same inlet pipeline 50 positioned at the other side is also by water tank 54, upper water box
51, middle water tank 51 and lower header 53 are connected in series；Liquid level sensor 55 is located in water tank 51, for monitoring the change of 54 liquid level of water tank
Change；Turbine flowmeter 56, pressure gauge 58 and centrifugal pump 57 are sequentially located on water return pipeline 59, for controlling liquid level in water tank 54
Just.The real-time status reconstructing method based on remote monitoring system of the present embodiment is realized in the Cloud Server 2 in Fig. 1, is somebody's turn to do
Method process as shown in Figure 3, includes the following steps:
301, server receives the input/output argument for the monitored object that monitored object is sent.
The information of monitored object that is that input/output argument can currently show for server and belonging to last moment.This implementation
The input/output argument of example can be the information such as valve opening or liquid level in Fig. 2.
It will be appreciated that HDU3000-8 type process control device completes water tank by local PC3 in the present embodiment
The data of acquisition, storage and the transmission of 5 data of system, local PC3 acquisition cistern system 5 are valve opening and liquid level, are adopted
The valve opening and liquid level data of the cistern system 5 collected utilize network communication protocol in programming software STEP7
WINCC is arrived in (Transmission Control Protocol/Internet Protocol, abbreviation ICP/IP protocol) storage
In (human interface components in 7 Process Control System of SIMATIC PCS), then software MATLAP (Matrix&
Laboratory, abbreviation MATLAP) it is stored in using the reading of OPC (Open Process Control, abbreviation OPC) agreement
The valve opening and liquid level data of cistern system 5 in WINCC, then local PC3 passes through mobile network for the water of reading
The valve opening and liquid level data of case system 5 are transferred in Cloud Server 2.
302, server completes the on-line identification to monitored object by on-time model identification according to input/output argument,
Determine the real time status information of current time monitored object.
Server selects the monitored object on-line identification model, on-line identification according to the input/output argument of monitored object
Model is used under the scene in long-range monitoring there are time delay, and the input using the long-range last moment monitored object for monitoring and obtaining is defeated
The status information at parameter Estimation current time out；According to input/output argument, the on-line identification model based on selection is obtained online
The unknowm coefficient of model is recognized, to establish the on-line identification model that can be predicted；According to input/output argument, based on having built up
On-line identification model, obtain current time monitored object real time status information.
303, determining real time status information is sent at least one client by server, so that real-time shape is presented in client
State information.
The output parameter that real time status information includes: the current time estimated is presented in client.
Android intelligent terminal 1 is used to monitor the state of cistern system 5, and the processing result of Cloud Server 2 is shown
Come, realizes the display at remote mobile end.Android intelligent terminal 1 in the present embodiment is Smartphone device, and user is logical first
It crosses Login Register login interface and completes user's registration, select water tank order, choosing subsequently into the order selection interface of cistern system
Enter parameter curve display interface after the completion of selecting, the valve opening and liquid level of this 5 water tank 54 of interface real-time display cistern system are high
Degree evidence.
Above-mentioned steps 302 can may further be embodied as server and receive the monitored object transmission during concrete implementation
Monitored object input/output argument the step of before, server is according to the status information of current monitor object, described in foundation
The on-line identification model of monitored object.
It will be appreciated that Cloud Server 2 is sent according to local PC3 since the present embodiment is using single order cistern system
Cistern system 5 valve opening and liquid level data, judge select single order on-line identification model.
The method of the present embodiment receives the data that monitored object is sent by server, pre- according to these data servers
Estimate the real time status information of current time monitored object, the state of monitored object is reconstructed in real time to realize, solves
Determined in long-range monitoring as data transmission procedure when ductility caused by monitored object state not can display real-time the problem of.
For the content for better understanding the above method, carried out below in conjunction with method of the monitored object to the embodiment of the present invention detailed
It describes in detail bright.
In the present embodiment, Cloud Server 2 is used to store and handle the valve opening and liquid of 5 water tank 54 of cistern system of upload
Position altitude information, Cloud Server 2 receive the valve opening and liquid level data of the water tank 54 that local PC3 is sent, Cloud Server 2
Valve opening and liquid level data and the sending time of the number are stored into the water tank into MYSQL database by JDBC technology
54 be the information of cistern system that is that Cloud Server 2 is currently received and belonging to last moment；The valve currently just obtained is opened
Degree and liquid level data also during remote transmission at this point for monitoring requirement it is relatively high in the case where, client is then
The valve opening and liquid level data in transmission process that can't see current time, for this reason, it may be necessary to which Cloud Server 2 is according to
It is received to the valve opening for belonging to last moment and liquid level data, valve opening and the liquid level for estimating current time be high
Degree evidence, and then the valve opening and liquid level data estimated are presented in client.
Specifically, Cloud Server 2 can be according to the valve opening and liquid level data of the water tank 54 received, using online
Identification Model Distinguish completes Model Distinguish and calculates the valve opening and liquid level at 54 current time of water tank, determines current time
The real time status information of water tank 54 completes the real-time status reconstruct of cistern system 5.
The pre-stored on-line identification model such as public affairs for carrying out various cistern systems and carrying out subsequent processing in Cloud Server 2
Formula (1):
Wherein, ai(i=1 ..., nA), bj(j=1 ..., nA) it is respectively multinomial A (z-1), B (z-1) unknowm coefficient；n
For natural number；
When the cistern system 5 of the present embodiment monitored object is single order cistern system, then the online of single order cistern system is corresponded to
Recognizing model can be formula (2):
Y (k)=ay (k-1)+bu (k-1)； (2)
Y (k), u (k) are the input/output argument of the monitored object.
Y (k) can be found out according to model y (k)=ay (k-1)+bu (k-1), y (k-1) and u (k-1).
The y (k) found out is output parameter, and then Cloud Server sends the input parameter of output parameter and last moment
Intelligent terminal, the input/output argument that intelligent terminal can be sent based on Cloud Server carry out state reconstruction, realize current time prison
The real-time status of control object is checked.
The state of monitored object is reconstructed in real time by the above-mentioned means, realizing, client shows monitoring pair
The real time status information of elephant, solve in long-range monitoring as data transmission procedure when ductility caused by monitored object state not
The problem of can display real-time.
It is to be appreciated that describing the skill simply to illustrate that of the invention to what specific embodiments of the present invention carried out above
Art route and feature, its object is to allow those skilled in the art to can understand the content of the present invention and implement it accordingly, but
The present invention is not limited to above-mentioned particular implementations.All various changes made within the scope of the claims are repaired
Decorations, should be covered by the scope of protection of the present invention.
Claims (9)
1. a kind of real-time status reconstructing method based on remote monitoring system characterized by comprising
Server receives the input/output argument for the monitored object that monitored object is sent；The input/output argument is described
What server received belongs to the information of the monitored object of last moment；
The server completes distinguishing online to the monitored object according to the input/output argument, by on-line identification model
Know, determines the real time status information of monitored object described in current time；
The determining real time status information is sent at least one client by the server, so that the client is according to institute
It states real time status information and carries out state presentation；
The server completes distinguishing online to the monitored object according to the input/output argument, by on-line identification model
Know, determine the real time status information of monitored object described in current time, comprising:
The server selects the monitored object on-line identification model according to the input/output argument of the monitored object；And
According to the input/output argument, the on-line identification model based on selection obtains the unknowm coefficient of on-line identification model, with
Establish the on-line identification model that can be predicted；
Monitored object described in current time is obtained based on the on-line identification model having built up according to the input/output argument
Real time status information.
2. the method according to claim 1, wherein the server receives the described of the monitored object transmission
Before the step of input/output argument of monitored object, the method also includes:
According to the status information of current monitor object, the on-line identification model of the monitored object is established；The on-line identification mould
Type is used under the scene in long-range monitoring there are time delay, the input of monitored object described in the last moment obtained using long-range monitoring
The status information at output parameter estimation current time.
3. method according to claim 1 or 2, which is characterized in that the on-line identification model in the server are as follows:
A(z-1) y (k)=z-dB(z-1)u(k)
ai(i=1, L, nA), bj(j=1, L, nA) it is respectively multinomial A (z-1), B (z-1) unknowm coefficient；N is natural number；
If monitored object is single order cistern system, the corresponding on-line identification model of single order cistern system are as follows:
Y (k)=ay (k-1)+bu (k-1)；
Y (k), u (k) are the input/output argument of the monitored object.
4. the method according to claim 1, wherein the monitored object is that the process control of HDU3000-8 type is real
Experiment device, the process control device include: cistern system, Water Tank Control System and host computer；
The host computer connects the Water Tank Control System and the cistern system, and the Water Tank Control System connects the water tank
System, the host computer send the input/output argument to the server.
5. according to the method described in claim 4, it is characterized in that, the input/output argument is that the host computer is assisted with OPC
Discuss aperture, the liquid level of the cistern system of acquisition.
6. according to the method described in claim 4, it is characterized in that, the cistern system includes: by inlet pipeline and return water
Upper water box, middle water tank and the lower header that water tank is sequentially connected in series by pipeline, are equipped with liquid level sensing device in the water tank, it is described into
Flowmeter, pumping installations and pressure gauge are installed in water lines.
7. the method according to claim 1, wherein the server is Cloud Server；
The client is smart phone.
8. the method according to claim 1, wherein the client presentation real time status information includes:
The output parameter at the current time estimated and the monitoring image estimated based on the output parameter.
9. the method according to claim 1, wherein the method also includes: the servers to pass through the side JDBC
Formula accesses database, and the sending time of received input/output argument and the input/output argument is stored the database
In.
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| CN1697399A (en) * | 2005-06-23 | 2005-11-16 | 上海交通大学 | Monitored control system for network based on general information model |
| US8452465B1 (en) * | 2012-03-30 | 2013-05-28 | GM Global Technology Operations LLC | Systems and methods for ECU task reconfiguration |
| US10158499B2 (en) * | 2013-08-29 | 2018-12-18 | Panasonic Intellectual Property Corporation Of America | Information providing system, server, and method for providing information regarding the operating state of a selected device |
| CN103533084B (en) * | 2013-10-31 | 2017-04-12 | 国电南瑞科技股份有限公司 | Real-time DMS (device management system) of B/S (browser/server) framework and method thereof |
| CN103971294B (en) * | 2014-05-06 | 2017-09-29 | 云南电力试验研究院（集团）有限公司电力研究院 | One kind assesses information display system based on power transmission and transformation equipment state |
| CN104616124B (en) * | 2015-03-06 | 2018-08-17 | 重庆大学 | A kind of real-time release method and system of thermal power plant safety and economic operation state |
| CN105302697B (en) * | 2015-11-13 | 2018-05-18 | 中国建设银行股份有限公司 | A kind of running state monitoring method and system of density data model database |
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