CN101833308A - Control system with distributed processing framework and operation method thereof - Google Patents
Control system with distributed processing framework and operation method thereof Download PDFInfo
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- CN101833308A CN101833308A CN200910118764A CN200910118764A CN101833308A CN 101833308 A CN101833308 A CN 101833308A CN 200910118764 A CN200910118764 A CN 200910118764A CN 200910118764 A CN200910118764 A CN 200910118764A CN 101833308 A CN101833308 A CN 101833308A
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Abstract
The invention discloses a control system with a distributed processing framework and an operation method thereof. The control system comprise a plurality of input/output modules and a computer device, wherein, the input/output modules comprise a circuit framework and a control unit in which a driver is built; and when the control unit is started, the driver drives operation of the circuit framework so as to produce result data by operation. The computer device is connected with the input/output modules and comprises a data collection unit and a central processing unit, wherein, the data collection unit stores result data produced by the input/output modules, the central processing unit generates at least one enabled control single according to a control operation program so as to enable the corresponding input/output modules to start operating, and the corresponding result data is obtained from the data collection unit. Thus, the efficiency of the control system is improved.
Description
Technical field
The present invention relates to a kind of control system and How It Works thereof, be meant a kind of control system and How It Works thereof that utilizes distributed processing framework to come the control operation program especially.
Background technology
Present industrial control system, but just so-called program logic control system (Programmable Logic Controller, PLC), it is made of computer, and its different input/output module of can arranging in pairs or groups (I/O Module) receives (input) and sends the electric or electronic signal of (output) multiple kenel, to reach the electronic system of controlling machinery and equipment, manufacturing treatment scheme and other control module by numeral or analog input/output module.
And on the framework of above-mentioned control system,, known input/output module only is hardware circuit because not designing any processor, therefore be to adopt so-called centralized processing framework to design, in order to the input/output module of integrating and control all connections with the central processing unit of computer.Specifically, computer must be installed particular driver at all input/output modules, the firmware program that central processing unit is arranged in pairs or groups is supported input/output module, with when The whole control system operates, scan the input/output module of all connections at present earlier by the central processing unit of computer, and it is online to finish driving.Then central processing unit is inquired the input/output module of institute's desire control again according to the demand of control operation program, and requires the passback desired data.At last, central processing unit carries out calculation process at the data that input/output module returned again, to finish the control operation program of control system.
By way of example, suppose that above-mentioned input/output module is a camera function module, and only have hardware circuits such as camera lens, sensing component in the camera function module.So the camera function module is that collocation connects computer, utilizing the processor of central processing unit, and then realize the control system of centralized processing framework as the camera function module in known design.And when The whole control system operated, the central processing unit of computer must be earlier finished onlinely with the camera function module by driver, and then just can export a shutter enable signal and control the camera function module and take a picture.At last, central processing unit receives take a picture picture signal that the back returned and come calculation process of camera function module again, to show and to produce image file etc.
Yet along with the input/output module that computer is supported is more and more, it is more and more huger and complicated that the firmware program that central processing unit is arranged in pairs or groups also just becomes along with the installation of driver.And on the other hand, central processing unit be also owing to must bear the data that all input/output modules of computing are returned, so that the integral operation quantitative change gets is very huge, and then causes the efficient of The whole control system to reduce significantly.
Moreover if having when many set control systems desires are common uses multiple input/output module to carry out the control operation program, then the operator also must install the driver of all input/output modules in the computer of every set control system.Thus, with the burden that significantly increases on the preposition setting operation.In addition, on the Driver Development of input/output module, also must develop the driver of different editions in response to different operating system, to avoid the problem of driver compatibility.
Therefore, from the above, adopt the control system of centralized data processing framework in the working control operation, still to have many problems at present, thereby remain further to be improved.
Summary of the invention
In view of this, technical matters to be solved by this invention is, change the framework that data operation is handled in the control system, allow each input/output module have controller and driven the circuit of collocation design own voluntarily, behind the input/output module controlled starting, can being back in the computer automatically, and then allow the CPU (central processing unit) of computer not need computing again can directly obtain required result data from the row operation and the data that bear results.
In order to address the above problem, according to a scheme proposed by the invention, provide a kind of control system of tool distributed processing framework, comprising: a plurality of input/output modules and a computer apparatus.Wherein, each input/output module more comprises: a circuit framework and a control module, control module are built-in drivers, and control module is to carry out the running that driver comes drive circuit structure when starting, and produce a result data with computing.Computer apparatus connects those input/output modules, and with the formation distributed processing framework, and computer apparatus further comprises: a data collection module and a CPU (central processing unit).Data collection module stores the result data that those input/output modules produce, and CPU (central processing unit) is to produce at least one activation control signal according to a control operation program, begin to start running with the corresponding input/output module of activation, and and then in this data collection module, obtain corresponding result data.
In order to address the above problem, according to another program proposed by the invention, a kind of How It Works of control system of tool distributed processing framework is provided, control system wherein is to comprise a computer apparatus and a plurality of input/output module, and the step of How It Works comprises: at first, one CPU (central processing unit) of computer apparatus produces at least one activation control signal according to a control operation program, begins to start running with the corresponding input/output module of activation.Then, the input/output module computing of this startup running produces a result data, and result data is stored in a data collection module of computer apparatus.At last, CPU (central processing unit) obtains corresponding result data in the data collection module according to the control operation program again.
Whereby, the technique effect that the present invention can reach is, significantly promote the execution efficient of control system by the design of distributed arithmetic, and allow the operator build when putting different control system, do not need again in each computer apparatus, to install the driver that is fit to and support the input/output module that connected, and then alleviate the burden of preposition setting operation.Moreover, at the development company of input/output module, do not need again the driver of excess issue different editions to come in response to different operating system yet.
More than general introduction and ensuing detailed description and accompanying drawing all is to reach mode, means and the technique effect that predetermined purpose is taked in order to further specify the present invention.And relevant other purpose of the present invention and advantage will be set forth in follow-up explanation and accompanying drawing.
Description of drawings
Fig. 1 is the embodiment calcspar of the control system of tool distributed processing framework of the present invention; And
Fig. 2 is the How It Works embodiment sequential process flow diagram of the control system of tool distributed processing framework of the present invention.
[main element mark description of drawings]
1 control system
11 input/output modules
111 circuit frameworks
112 control modules
1121 drivers
12 computer apparatus
120 connecting interfaces
121 data collection module
122 CPU (central processing unit)
1221 firmware programs
2 controlled devices
3 signal generation devices
S201～S213 flow chart step explanation
Embodiment
The control system of tool distributed processing framework of the present invention and How It Works thereof are to be used for industrial control field, and in practical application industrial controller, but program logic control system (Programmable Logic Controller for example, PLC), so as to controlling the electronic system of machinery and equipment, manufacturing treatment scheme and other control module.In addition, in fact at the difference (as: controll plant difference) of controlled condition, the function of the input/output module of being arranged in pairs or groups in the control system also will be different, and a control system can be that collocation has the input/output module of a plurality of difference in functionalitys to reach the demand of control.
And the present invention changes the framework that data operation is handled in the control system, allow the input/output module that computer apparatus connected be design with controller, and the circuit of the collocation design of driving voluntarily own, behind the input/output module controlled starting, can carry out computing and the data that bear results return automatically, and then allow the CPU (central processing unit) of computer apparatus not need to carry out again complex calculations can directly to obtain required result data, so as to forming the control system of distributed processing framework.
Please refer to Fig. 1, be the embodiment calcspar of the control system of tool distributed processing framework of the present invention.As shown in Figure 1, present embodiment provides a kind of control system 1, and it comprises: a plurality of input/output modules 11 and a computer apparatus 12.Wherein, each input/output module 11 can for example be a module of representing difference in functionality respectively, and when required control operation was complicated more, the input/output module 11 that computer apparatus 12 just needs to connect more kinds of difference in functionalitys reached control operation.And the number of input/output module 11 quantity is not to be used for limiting the present invention, but when practical application, if the input/output module 11 of control system 1 collocation is many more, then can highlight control system 1 of the present invention more in the improvement of carrying out on the efficient.
Input/output module 11 is to comprise: a circuit framework 111 and a control module 112.Wherein, circuit framework 111 is to be a functional hardware circuit, and according to the difference of functional hardware circuit design, and the control function that input/output module 11 reality are provided is also just different.And in the present embodiment for convenience of description for the purpose of, input/output module 11 there is no especially at the difference of functional hardware circuit and does differentiation, the assembly that input/output module 11 is comprised among Fig. 1 also all is to be denoted as identical label.
And subsidiary one what carry is that the specific function that input/output module 11 is provided is except being that control module 112 coupled circuit frameworks 111 operate alone, to represent outside the specific function (as: functions such as photograph, recording) and the data that bear results; On using, circuit framework 111 more can further connect at least one controlled device 2 (as: various instrument and equipments, electronic installation etc.), allow control module 112 coupled circuit frameworks 111 performed specific functions can further be used for controlling the operation of controlled device 2, even computing produce the result data of relevant control.In addition, circuit framework 111 also can further connect at least one signal generation device 3 (as timer, sensor etc.) again, make control module 112 when coupled circuit framework 111 is carried out specific function, further the auxiliary signal that provided of received signal generation device 3 is come auxiliary judgment control.So as to the control function of input/output module 11 can more extensively be reached flexibly.
CPU (central processing unit) 122 is to carry out a firmware program 1221, to be used for producing a control operation program.Wherein, the control operation program is to set different control operation programs according to demand for control by the operator, and it has comprised contents such as relevant control order, arrangement of the exercise, time-histories arrangement, to allow the control system 1 be to carry out according to the control operation program fully when the running.So CPU (central processing unit) 122 is to produce at least one activation control signal according to the control operation program, begin to start running to be used for the corresponding input/output module 11 of activation.In other words, CPU (central processing unit) 122 is to produce corresponding activation control signal according to content such as indicated project of present control operation program and action, and the input/output module 11 that meets with calling can begin to start running.Certainly, because the result data that the indicated content of control operation program may need different input/output module 11 runnings to be produced simultaneously, therefore CPU (central processing unit) 122 also just produces different activation control signals in view of the above, and the input/output modules 11 different with activation start running.
And then, allow each input/output module 11 of having accepted activation carry out separately specific function between being able at the same time, and computing produce separately result data and returns automatically and be stored in data collection module 121.And on the other hand, CPU (central processing unit) 122 does not also just need to carry out complex calculations again after producing the activation control signal, but directly obtains required result data again according to the control operation program in data collection module 121.
The activation control signal that supplementary notes are exported about CPU (central processing unit) 122, each input/output module 11 stored designs that how in data collection module 121, to obtain corresponding result data to the result data and the CPU (central processing unit) 122 of data collection module 121.In design, it can for example be to represent different input/output module 11 with a different code, just at activation control signal, result data and be used for reading and all can add a code in the signal of result data and come as identification code.So CPU (central processing unit) 122 gets final product the required input/output module 11 of smooth activation, and correctly obtains corresponding result data in data collection module 121.Certainly, one of them mode when supplementary notes of giving an example in this place only are design, those of ordinary skill in the art should understand, and except the design of utilizing code, also can take alternate manner to reach the desired effect of present embodiment.
Hold the framework of above-mentioned explanation, make up, can form the control system 1 of tool distributed processing framework by the computer apparatus 12 of present embodiment and the connection of input/output module 11.Whereby, in computer apparatus 12, do not need to install again the driver 1121 of any relevant input/output module 11, firmware program 1221 in the CPU (central processing unit) 122 is comparatively simplified, simultaneously also allow CPU (central processing unit) 122 not need to bear huge operand again, and then promote the efficient of control system 1 effectively.
In order to further specify the operation of control system 1 reality of the present invention, please come with reference to figure 2 based on the framework of Fig. 1, be the How It Works embodiment sequential process flow diagram of the control system of tool distributed processing framework of the present invention.As shown in Figure 2, present embodiment provides a kind of How It Works of control system 1, and its 11 3 parts of input/output module that roughly are CPU (central processing unit) 122, data collection module 121 and computer apparatus 12 according to computer apparatus 12 are connected are come the explanation as the sequential flow process.
At first, be to illustrate that CPU (central processing unit) 122, data collection module 121 and input/output module 11 have been finished initialization operation all when The whole control system 1 operates when step begins.At this moment, CPU (central processing unit) 122 can begin to carry out a control operation program (S201) that has configured, and data collection module 121 and input/output module 11 then are ready.
Then, CPU (central processing unit) 122 can produce the input/output module 11 that at least one activation control signal (S203) is given required activation according to the present indicated content of control operation program.So, relevant input/output module 11 just can begin to start running (S205) according to the activation control signal, to carry out driver 1121 by the control module in the input/output module 11 112, carry out specific function (S207) in order to drive circuit structure 111, and and then computing produce a result data and provide to data collection module 121 (S209).And on the other hand, data collection module just can store input/output module 11 data that bear results (S211) 121 this moments.
At last, 122 of CPU (central processing unit) are directly to obtain required result data (S213) in data collection module 121 according to the script indicated content of control operation program equally, to allow the present indicated content of control operation program be accomplished.According to above-mentioned steps by that analogy, finish to finish the running of control system 1 up to the complete operation of The whole control running program.
Whereby, the required result data of control operation program can both be provided afterwards by each input/output module 11 computings, and CPU (central processing unit) 122 only is to control which input/output module of activation 11 according to the control operation program to come into operation, and obtains corresponding data from data collection module 121.So design just can reduce the computational burden of CPU (central processing unit) 122 significantly.
In sum, the present invention except the execution efficient that can promote control system, has more following advantage by the design of distributed data processing framework:
Allow the operator build when putting different control system, do not need in each computer apparatus, to install again the driver that is fit to and support the input/output module that connected, and then alleviate the burden of preposition setting operation.
At the development company of input/output module, do not need again the driver of excess issue different editions to come yet, thereby can shorten the product development time-histories in response to different operating system.
But, the above, only be the detailed description and the accompanying drawing of specific embodiments of the invention, be not in order to restriction the present invention, all scopes of the present invention should be as the criterion with claim, any those of ordinary skill in the art in field of the present invention, can think easily and variation or revise all can be encompassed in the claim that this case defines.
Claims (12)
1. the control system of a tool distributed processing framework is characterized in that, comprising:
A plurality of input/output modules, each input/output module comprises:
One circuit framework; And
One control module, a built-in driver, and this control module carries out the running that this driver drives this circuit framework when starting, produce a result data with computing; And
One computer apparatus connects those input/output modules, and forming this distributed processing framework, and this computer apparatus further comprises:
One data collection module stores the result data that those input/output modules produce; And
One CPU (central processing unit) produces at least one activation control signal according to a control operation program, begins to start running with the corresponding input/output module of activation, and and then obtains corresponding result data in this data collection module.
2. the control system of tool distributed processing framework as claimed in claim 1 is characterized in that, described computer apparatus further comprises:
One connecting interface connects this CPU (central processing unit) and this data collection module, to form the interface that signal transmits between this computer apparatus and those input/output modules.
3. the control system of tool distributed processing framework as claimed in claim 2 is characterized in that, described connecting interface is a wired connection interface or a wireless connections interface.
4. the control system of tool distributed processing framework as claimed in claim 2 is characterized in that, described CPU (central processing unit) is further to carry out a firmware program, produces this control operation program with running.
5. the control system of tool distributed processing framework as claimed in claim 2 is characterized in that, described circuit framework is a functional hardware circuit, and this control module drives the running of this circuit framework to carry out a specific function.
6. the control system of tool distributed processing framework as claimed in claim 5, it is characterized in that, described circuit framework further connects at least one controlled device, and this specific function is controlled this controlled device and computing produces this result data and this control module is carried out.
7. the control system of tool distributed processing framework as claimed in claim 6, it is characterized in that, described circuit framework further connects at least one signal generation device, makes this control module when carrying out this specific function, an auxiliary signal that is further received this signal generation device and provided.
8. the control system of tool distributed processing framework as claimed in claim 2 is characterized in that, described data collection module is a memory storage device.
9. the How It Works of the control system of a tool distributed processing framework is characterized in that, described control system comprises a computer apparatus and a plurality of input/output module, and the step of this How It Works comprises:
One CPU (central processing unit) of this computer apparatus produces at least one activation control signal according to a control operation program, begins to start running with the corresponding input/output module of activation;
The input/output module computing of this startup running produces a result data, and this result data is stored in a data collection module of this computer apparatus; And
This CPU (central processing unit) obtains corresponding result data in this data collection module according to this control operation program.
10. the How It Works of the control system of tool distributed processing framework as claimed in claim 9 is characterized in that, described input/output module further comprises a control module and a circuit framework respectively, and the built-in driver of this control module.
11. the How It Works of the control system of tool distributed processing framework as claimed in claim 10 is characterized in that, further comprises:
The input/output module of this startup running is carried out this driver by this control module, carries out a specific function to drive this circuit framework.
12. the How It Works of the control system of tool distributed processing framework as claimed in claim 10 is characterized in that, described CPU (central processing unit) is carried out a firmware program, produces this control operation program with running.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910118764A CN101833308A (en) | 2009-03-11 | 2009-03-11 | Control system with distributed processing framework and operation method thereof |
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| CN200910118764A CN101833308A (en) | 2009-03-11 | 2009-03-11 | Control system with distributed processing framework and operation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092123A (en) * | 2011-11-08 | 2013-05-08 | 财团法人资讯工业策进会 | Programmable logic controller (PLC) drive system and PLC drive method |
| CN108549357A (en) * | 2018-03-26 | 2018-09-18 | 湖北韵生航天科技有限公司 | A kind of commercial seat dcs of high row |
-
2009
- 2009-03-11 CN CN200910118764A patent/CN101833308A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092123A (en) * | 2011-11-08 | 2013-05-08 | 财团法人资讯工业策进会 | Programmable logic controller (PLC) drive system and PLC drive method |
| CN103092123B (en) * | 2011-11-08 | 2015-04-22 | 财团法人资讯工业策进会 | Programmable logic controller (PLC) drive system and PLC drive method |
| CN108549357A (en) * | 2018-03-26 | 2018-09-18 | 湖北韵生航天科技有限公司 | A kind of commercial seat dcs of high row |
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Application publication date: 20100915 |