CN100450178C - Universal automation equipment Long-distance monitoring system based on screen simulating technique - Google Patents
Universal automation equipment Long-distance monitoring system based on screen simulating technique Download PDFInfo
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- CN100450178C CN100450178C CNB2005100620024A CN200510062002A CN100450178C CN 100450178 C CN100450178 C CN 100450178C CN B2005100620024 A CNB2005100620024 A CN B2005100620024A CN 200510062002 A CN200510062002 A CN 200510062002A CN 100450178 C CN100450178 C CN 100450178C
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Abstract
The present invention relates to a universal automation equipment long-distance monitoring system based on a screen simulating technique, which comprises a main control end and a controlled end in communication connection with the main control end, wherein the controlled end comprises an automation equipment group, equipment operating unit group, equipment driving unit group, an initialization unit, a real time intercepting unit of a pattern interface, a sending unit and a virtual operation realization unit for receiving, converting and executing the instruction sequence of the main control end; the main control end comprises a screen virtual interface simulating unit, a monitoring equipment management unit and a virtual operation sending unit, and the monitoring equipment management unit is used for operating the equipment operating unit group through the virtual controlled end operating interface, controlling the monitoring cycle and the operation of the automation equipment group and generating operating information. The present invention is provided with the initialization unit, which can automatically check the available automation equipment and start corresponding equipment operating unit, and the present invention has excellent adaptability and universality, and can control much-to-much equipment based on the screen simulating technique.
Description
(1) technical field
The present invention relates to a kind of universal automation equipment long distance control system based on the screen analogue technique.
(2) background technology
Combining closely of the computer technology and the communication technology makes computer network be able to popularize rapidly and development, and computer network enters industrial control field, the long distance control system based on network occurred.Computer network provides distributed communication environment and good autgmentability for the remote monitoring of automation equipment.
Automation equipment remote monitoring mode comprises following four kinds:
(1) the remote monitoring mode of maintenance: remote monitoring is only sent control command to apparatus control system, and by this order of finishing of equipment autonomously, watch-dog only monitors equipment, where necessary equipment is intervened.So just require equipment constantly to long distance control system transmitting apparatus operation information, long distance control system keeps the monitoring capacity to equipment.This pattern can realize the unmanned control of remote equipment, can be applicable to place that hazardous environment and manpower can not arrive etc.
(2) the remote monitoring mode of finishing type: long distance control system is only sent control command to apparatus control system, and by this order of finishing of equipment autonomously, long distance control system is not monitored the specific implementation process of equipment, reports to long distance control system after equipment is finished the work.The operation control of equipment is carried out in this locality fully, and equipment is finished processing tasks under the monitoring of local operator.
(3) the Long-distance Control mode of perfect form: the local control system of equipment is the actuator of control appliance only, and whole operation controls are finished by long distance control system.In this mode, apparatus control system separates with equipment, and the requirement of the transmission speed of signal is very high in apparatus control system, requires system to make a response to the scene at once.This control mode is used in some special industries.
(4) man-machine interactive remote monitoring mode: equipment is worked under the Collaborative Control of local operator and long distance control system, and promptly equipment is worked under the commander of long distance control system, by local operator equipment is controlled and maintenance work.In the task implementation, can connect at any time, carry out mutual between the equipment and between the personnel, the state information of equipment can be gathered at the remote monitoring end at any time.This is to use many a kind of monitor modes at present.
The characteristics of long distance control system are: the real-time of information in remote, uncertain net and the production, therefore developing this long distance control system will relate to following three aspects: the network communications technology, network data transmission and data transmission security.
(1) network communication problem: system will have the function of Long-distance Control, promptly wants to realize the work of Surveillance center's strange land monitoring another one control system.
(2) data transmission problems: in having the system of remote control function, the control end user will wonder controlled terminal user present case, adopts dual mode usually: graphics mode and text mode.
(3) network security problem: guarantee that data are safe in transmission over networks, system should take some safety measures, as using transfer of data encryption technology, data integrity authentication technique and anti-repudiation technology etc.For many years, in the remote monitoring research of automation equipment, various supervision and control method have been emerged.Yet nearly all monitoring software all is custom-designed according to specific automation equipment.Therefore, all need to redesign, develop special-purpose remote monitoring software, improved cost of software development then greatly, increased the construction cycle of long distance control system for every cover automation equipment.
Common automation equipment remote monitoring software just defines the type and the quantity of controlled device at the beginning of design, so do not possess the adaptation function to unknown device substantially.In fact, in the actual production process of factory and enterprise, through regular meeting's partial update or exchange device more.For this situation, can only revise remote monitoring software according to equipment change situation, even the redesign remote monitoring software.So, limited at the long distance control system function that one or several specific automation equipment is designed, be unfavorable for the new equipment expansion, lack versatility.
In the system controlled by computer field, along with the development of network application, people begin to utilize network to go to realize application such as aspects such as telemonitoring, controls.The application demand of this respect has directly been impelled the appearance of Screen sharing technology.The purpose of Screen sharing is the interface display content of reappearing the main frame screen on remote client, and just a kind of notion of virtual terminal makes the user of far-end feel to be sitting in the main frame next door equally.A lot of products based on the screen analogue technique are arranged at present.For example the PC Anywhere of the remote terminal service of X window and Windows, NetMeeting, Symatic, Remote Administrator, VNC and domestic red spider tutoring system etc.
Purpose of design based on the pc control software of screen analogue technique is in order to realize the remote operation to microcomputer or Website server, to be characterized in adopting man-to-man mode of operation.This class software also is not suitable for being applied in the remote monitoring of automation equipment.Because it is higher that the remote monitoring of automation equipment requires, but also need possess the concurrent work of many main control end and many controlled terminals aspect the stability of a system, and special control operation, comprise equipment emergency treatment etc.
Control method should comprise: the remote data acquisition of equipment; The telemonitoring of industrial flow; The remote debugging of apparatus control system and configuration; The Long-distance Control of equipment and the remote maintenance of equipment; The centralized management of information and high-rise monitoring; And the fusion of full spectrum information between the equipment.Realize that the technical staff need not be in the action or operations such as rugged environment just can monitor the condition of production of field apparatus, parameter regulation, fault recovery; Realize that the expert can carry out the technological guidance to site technology person long-range, even direct control appliance.Thereby improve information management decision-making level, satisfy whole production system and develop, adapt to the demand of future development to automation, synthesization, intelligentized direction.
(3) summary of the invention
In order to overcome the deficiency that automation equipment long distance control system in the prior art does not possess versatility and adaptivity, the invention provides a kind of universal automation equipment long distance control system based on the screen analogue technique with good adaptivity.
The technical scheme that the present invention solves is:
A kind of universal automation equipment long distance control system based on the screen analogue technique comprises main control end and controlled terminal, and communication is connected main control end with controlled terminal, and controlled terminal comprises:
The automation equipment group comprises several automation equipments;
Operation of equipment unit group: comprise several operation of equipment unit, be used for directly monitoring and operation automation equipment in this locality;
Device drives unit group: comprise several device drives unit, be used between operation of equipment unit group and automation equipment group, connecting;
Initialization unit is used to check available automation equipment and corresponding equipment driver element thereof, is each automation equipment set device sequence number, and opens the corresponding equipment operating unit respectively;
The real-time interception unit of graphical interfaces is used to intercept the supervision of operation of equipment unit group and control the interface, puts in order to be virtual image information;
Transmitting element is used for controlled terminal virtual image information is sent to main control end;
Pseudo operation realizes the unit, is used to receive the command sequence of main control end system, the correctness of inspection main control end system virtualization operational order and ageing, and conversion is also carried out.
Main control end comprises:
Screen virtual interface analogue unit is used to receive the virtual controlled terminal operation interface of virtual image information exhibition of controlled terminal;
The watch-dog administrative unit is used for by virtual controlled terminal operation interface operating equipment operation sheet tuple, the monitoring circulation and the operation of control automation equipment group, and generating run information;
The pseudo operation transmitting element is used for the operation information that the watch-dog administrative unit generates is converted to the discernible command sequence of controlled terminal, and sends to controlled terminal.
Described controlled terminal also comprises image compression unit, is used for the virtual image information of the real-time interception unit intercepting of graphical interfaces is compressed;
Described main control end also comprises the image decompression unit, is used for the virtual image information that receives is carried out decompress(ion).
A kind of workflow of the universal automation equipment long distance control system based on the screen analogue technique:
Check available automation equipment and corresponding equipment driver element thereof, be each automation equipment set device sequence number k, and open corresponding equipment operating unit P respectively
k
Intercepting t operation of equipment unit operations interface T constantly
k
With image T
kIn a specified time, be sent to long-range main control end by network communication, and show virtual control program interface in main control end.
Main control end is by virtual controlled terminal operation interface, remote operation apparatus operation sheet tuple, and control is finished the monitoring circulation of automation equipment group and operating operation personnel in t+1 operational order constantly.Operational order can be 1 also can be 1 group, i.e. operational order vector C in a specified time
T+1=(c
1, c
2... c
n)
T
By network communication with operational order vector C
T+1Send back controlled terminal from main control end pseudo operation transmitting element,, in operation of equipment unit group, carry out remote operation one by one through correctness and ageing detection.
The above step that circulates, and finish within a short period of time full implementation time of controlling each step, then can realize the virtual remote monitoring of automation equipment.
The beneficial effect of a kind of universal automation equipment long distance control system based on the screen analogue technique of the present invention mainly shows: 1, be provided with initialization unit, but the automation equipment that automatic inspection can be used is also opened the corresponding equipment operating unit, has good adaptive and versatility; 2,, can realize the Equipment Control of multi-to-multi based on the screen analogue technique.
(4) description of drawings
Fig. 1 is the structure chart of a kind of universal automation equipment long distance control system based on the screen analogue technique of the present invention.
Fig. 2 is the flow chart of a kind of universal automation equipment long distance control system based on the screen analogue technique of the present invention.
(5) embodiment
Below in conjunction with accompanying drawing the present invention is further described.
Referring to accompanying drawing: a kind of universal automation equipment long distance control system based on the screen analogue technique, comprise main control end and controlled terminal, communication is connected main control end with controlled terminal, and controlled terminal comprises:
The automation equipment group comprises several automation equipments;
Operation of equipment unit group: comprise several operation of equipment unit, be used for directly monitoring and operation automation equipment in this locality;
Device drives unit group: comprise several device drives unit, be used between operation of equipment unit group and automation equipment group, connecting;
Initialization unit is used to check available automation equipment and corresponding equipment driver element thereof, is each automation equipment set device sequence number, and opens the corresponding equipment operating unit respectively;
The real-time interception unit of graphical interfaces is used to intercept the supervision of operation of equipment unit group and control the interface, puts in order to be virtual image information;
Image compression unit is used for the virtual image information of the real-time interception unit intercepting of graphical interfaces is compressed;
Transmitting element is used for controlled terminal virtual image information is sent to main control end;
Pseudo operation realizes the unit, is used to receive the command sequence of main control end system, the correctness of inspection main control end system virtualization operational order and ageing, and conversion is also carried out.
Main control end comprises:
The image decompression unit is used for the virtual image information that receives is carried out decompress(ion);
Screen virtual interface analogue unit is used to receive the virtual controlled terminal operation interface of virtual image information exhibition of controlled terminal;
The watch-dog administrative unit is used for by virtual controlled terminal operation interface operating equipment operation sheet tuple, the monitoring circulation and the operation of control automation equipment group, and generating run information;
The pseudo operation transmitting element is used for the operation information that the watch-dog administrative unit generates is converted to the discernible command sequence of controlled terminal, and sends to controlled terminal.
Workflow may further comprise the steps:
The first step: the used industrial computer of the on-the-spot automation equipment of initialization can be one or several, and an industrial computer is controlled one or more automation equipments.
Second step: each automation equipment that initialization need operate.
The 3rd step: whether checkout equipment starts normal, then repeats for second step as if undesired.
The 4th step: open all devices sets of drive units of 1-n, the corresponding automation equipment of each device driver.
The 5th step: whether normal, then repeated for the 4th step as if undesired if detecting each driver startup.
The 6th step: begin a current remote monitoring cycle, specify the controlled terminal equipment D that needs monitoring
k
The 7th step: opening device D
kCorresponding equipment operating unit P
kOperation of equipment unit P
kBe the program that can on the controlled terminal industrial computer, directly monitor and operate, and possess patterned demonstration and control interface equipment.
The 8th step: intercept operation program P
kAt t interface image T constantly
kThe employed region of memory of positioning action system graphical interfaces in the internal memory again.Obtain control program P
kThe size of shared screen: left side distance, top margin distance, width and height.In screen picture, intercept the raster pattern T of corresponding parameter size according to control program interface size
k
The 9th step: use still image compression algorithm compressed image T
k
The tenth step: with the interface image T of controlled terminal acquisition
kIn a specified time, be sent to long-range main control end by the network communication means.
The 11 step: control end receives the view data after the compression.
The 12 step: respectively image is carried out decompress(ion) according to different compression algorithms, be reduced to control interface T
k
The 13 step: by virtual controlled terminal operation interface remote operation apparatus operation sheet tuple, refresh operation end interface image makes it directly corresponding with the execute-in-place interface, and the monitoring circulation and the operation of automation equipment group finished in control.
The 14 step: the controlled terminal control program that the main control end direct control is virtual, capture operation personnel's t+1 operational order constantly.Operational order can be 1 also can be 1 group, i.e. operational order vector C in a specified time
T+1=(c
1, c
2... C
n)
T
The 15 step: by network communication with operational order vector C
T+1Send back controlled terminal from main control end pseudo operation transmitting element.
The 16 step: the controlled terminal pseudo operation realizes unit inspection order C
T+1Correctness and ageing.
The 17 step: conversion C
T+1Be control program P
kThe command sequence that can receive, executable operations C sequentially
T+1
The 18 step: detect and whether continue monitoring, then jumped to for the 6th step if continue monitoring.
The 19 step: shutoff operation.
Claims (2)
1, a kind of universal automation equipment long distance control system based on the screen analogue technique comprises main control end and controlled terminal, and communication is connected main control end with controlled terminal, it is characterized in that:
Controlled terminal comprises:
The automation equipment group comprises several automation equipments;
Operation of equipment unit group: comprise several operation of equipment unit, be used for directly monitoring and operation automation equipment in this locality;
Device drives unit group: comprise several device drives unit, be used between operation of equipment unit group and automation equipment group, connecting;
Initialization unit is used to check available automation equipment and corresponding equipment driver element thereof, is each automation equipment set device sequence number, and opens the corresponding equipment operating unit respectively;
The real-time interception unit of graphical interfaces is used to intercept the supervision of operation of equipment unit group and control the interface, puts in order to be virtual image information;
Transmitting element is used for controlled terminal virtual image information is sent to main control end;
Pseudo operation realizes the unit, is used to receive the command sequence of main control end system, the correctness of inspection main control end system virtualization operational order and ageing, and conversion is also carried out;
Main control end comprises:
Screen virtual interface analogue unit is used to receive the virtual controlled terminal operation interface of virtual image information exhibition of controlled terminal;
The watch-dog administrative unit is used for by virtual controlled terminal operation interface operating equipment operation sheet tuple, the monitoring circulation and the operation of control automation equipment group, and generating run information;
The pseudo operation transmitting element is used for the operation information that the watch-dog administrative unit generates is converted to the discernible command sequence of controlled terminal, and sends to controlled terminal.
2, a kind of universal automation equipment long distance control system as claimed in claim 1 based on the screen analogue technique, it is characterized in that: described controlled terminal also comprises image compression unit, is used for the virtual image information of the real-time interception unit intercepting of graphical interfaces is compressed;
Described main control end also comprises the image decompression unit, is used for the virtual image information that receives is carried out decompress(ion).
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| CNB2005100620024A CN100450178C (en) | 2005-12-14 | 2005-12-14 | Universal automation equipment Long-distance monitoring system based on screen simulating technique |
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| CNB2005100620024A CN100450178C (en) | 2005-12-14 | 2005-12-14 | Universal automation equipment Long-distance monitoring system based on screen simulating technique |
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| CN100450178C true CN100450178C (en) | 2009-01-07 |
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| CN101193279B (en) * | 2006-11-22 | 2010-04-21 | 中兴通讯股份有限公司 | A monitoring control system |
| JP4555324B2 (en) | 2007-09-21 | 2010-09-29 | シャープ株式会社 | Remote access system |
| DE102009028051B4 (en) * | 2009-07-28 | 2023-10-26 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | System for operating a field device via a remote terminal |
| CN102546249B (en) * | 2011-12-31 | 2015-05-27 | 华为技术有限公司 | Method, device and system for realizing site opening |
| CN106292405B (en) * | 2015-06-01 | 2019-02-01 | 安顺市晶英科技研发有限责任公司 | A kind of tea picking machine group centralized control system |
| CN105141776A (en) * | 2015-09-14 | 2015-12-09 | 康佳集团股份有限公司 | Remote control debugging method and system based on Android equipment |
| JP6173500B1 (en) * | 2016-02-05 | 2017-08-02 | 三菱電機ビルテクノサービス株式会社 | Building equipment management system |
| CN107623742A (en) * | 2017-09-30 | 2018-01-23 | 安徽联智创新软件有限公司 | Tele-control system based on operational order serializing |
| CN108255127B (en) * | 2018-01-09 | 2020-08-25 | 正知（上海）智能技术有限公司 | Industrial field remote monitoring management system and method based on industrial human-computer interface |
| CN109240239A (en) * | 2018-10-15 | 2019-01-18 | 福建睿能科技股份有限公司 | Weaving device remote operation method and weaving, remote agent and control equipment |
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| CN1812568A (en) | 2006-08-02 |
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Application publication date: 20060802 Assignee: Hangzhou Fuchunjiang Hydropower Equipment Co., Ltd. Assignor: Zhejiang University of Technology Contract record no.: 2014330000204 Denomination of invention: Universal automation equipment Long-distance monitoring system based on screen simulating technique Granted publication date: 20090107 License type: Common License Record date: 20140527 |
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