CN103294008B - Single channel and multichannel method for handover control in a kind of digital control system - Google Patents
Single channel and multichannel method for handover control in a kind of digital control system Download PDFInfo
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- CN103294008B CN103294008B CN201310246945.7A CN201310246945A CN103294008B CN 103294008 B CN103294008 B CN 103294008B CN 201310246945 A CN201310246945 A CN 201310246945A CN 103294008 B CN103294008 B CN 103294008B
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Abstract
The invention discloses single channel and multichannel method for handover control in a kind of digital control system, comprise the following steps: be provided with some to hyperchannel identifier and hyperchannel full stop in CNC parts program, CNC parts program between often pair adopts multi-way contral, decoding is carried out to it, after decoding completes, decoding data is filled in the data buffer of respective channel; The buffered data of each passage reads by order, carries out the preparation before interpolation; After the preliminary work of all passages completes, then the taking-up of the data of each passage is carried out the amount of exercise that namely interpolation calculates each axle by order, exports this amount of exercise to exterior mechanical control device; CNC parts program not between paired hyperchannel identifier and hyperchannel full stop adopts single channel control; Finally judge input CNC parts program whether decoding is complete, if not, repeat above-mentioned steps, if complete, exit control.The present invention can realize arbitrarily switching list, multi-way contral, and usable range is wide, cost is low.
Description
Technical field
The present invention relates to numerical controlled machinery and control research field, particularly single channel and multichannel method for handover control in a kind of digital control system.
Background technology
Numeric Control Technology is the technology controlled mechanical motion and process by numerical information, it is the basic technology of the modern manufacturing industry traditional Machine Manufacturing Technology, computer technology, modern control technology and sensing detection technology are integrated in one, and has the features such as high precision, high-level efficiency, flexible automation.The application of Numeric Control Technology not only brings revolutionary change to traditional manufacture, manufacturing industry is made to become industrialized symbol, and along with the development of Numeric Control Technology and the expansion of application, play a part more and more important to the development of some important industries of national economy.
Along with machine industry constantly increases part variation and the Composite demand of processing technology, become the important technology feature of Numeric Control Technology towards the multiaxis of Compound Machining, multi-way contral.In digital control system, so-called single channel can only run a program at synchronization exactly, flow process as shown in Figure 1, control method comprises a master routine, preprocessing tasks module and several runs task module, interrupt module, idiographic flow: when after the parts program triggering single channel track, present procedure operation enters preprocessing tasks module and carries out decoding, then the data after decoding are delivered to runs task module, the preparation before interpolation is carried out in the initialization carrying out data, real-time control module is started according to the data that systematic analysis obtains, real-time control module carries out data interpolation according to the operational mode of runs task module, and export each axle service data.
And hyperchannel essence is parallel processing, it can make multiple program run at synchronization simultaneously or run respectively, is independent of each other.But existing multichannel technology, as shown in Figure 2, the task program part in its software component elements all needs to increase the individual identical task process of n, and the priority of each task is different.General flow is: after selecting the program of certain several passage, operating system enters into the preprocessing tasks decoding of respective channel according to passage preprocessing tasks priority level, data after decoding deliver to operation task, operation task enters according to priority level height, initialization process is carried out to data and starts real-time control module function, real-time control module function order carries out interpolation to the data of each passage, exports the service data of each channel axis.
And this kind of multi-channel method needs each passage to increase a set of task process, more pressure and the difficulty adding digital control system scheduling of task quantity; Simultaneously each passage must have the cutter complement certificate of a set of correspondence, warning message, parameter and G, F signal etc., this also just adds the workload of stability of amendment software code, testing software framework, cause construction cycle, validation test cycle long, simultaneously binary channels control technology is all generally realize in high-grade digital control system, has that usable range is narrow, high in cost of production shortcoming.
Therefore, how in less change software code situation, to realize multi-way contral fast and become the problem that has actual application value.
Summary of the invention
Fundamental purpose of the present invention is that the shortcoming overcoming prior art is with not enough, single channel and multichannel method for handover control in a kind of digital control system are provided, the method is based on the secondary development that single channel numerical control structure is carried out, single channel and multichannel random switching control can be realized fast, and do not need to increase hardware cost.
Object of the present invention is realized by following technical scheme: single channel and multichannel method for handover control in a kind of digital control system, and the method comprises the following steps:
(1) for input, not yet carry out decoding, the CNC parts program that comprises several passage running orbits, be introduced into preprocessing tasks and start decoding, be provided with some to hyperchannel identifier and hyperchannel full stop in CNC parts program, once there is hyperchannel identifier in decode procedure, then thinking current is multi-way contral, enters step (2); If no, then think single channel control, enter step (5);
(2) decoding is carried out to all CNC parts programs after this hyperchannel identifier and its between first hyperchannel full stop, to be decoded complete after, decoding data is filled in the data buffer of respective channel, then enters step (3);
(3) start hyperchannel scheduling controlling i.e. order the buffered data of each passage is read, carry out the preparation before interpolation: distribute the total amount of movement of each axle, data assignment interpolation used or clearing; Then step (4) is entered;
(4) after the preliminary work of all passages completes, then the taking-up of the data of each passage is carried out interpolation by order, namely calculates the amount of exercise of each axle, exports this amount of exercise to exterior mechanical control device; Then step (6) is entered;
(5) single pass control: by before this hyperchannel identifier, the CNC parts program of not yet decoding carries out decoding, decoding data is filled in data buffer, decoding data is read when running, carry out the preparation before interpolation, then carry out interpolation, export the amount of exercise of each axle to exterior mechanical control device; Then step (6) is entered;
(6) judge input CNC parts program whether decoding is complete, if not, get back to step (1), if complete, exit control.
Preferably, the hyperchannel identifier in described CNC parts program and hyperchannel full stop automatically generate when automatically generating the program of multi-way contral.Such as automatically can generate in editor's hyperchannel program guide, also can manually input in certain reality.
Preferably, in described step (2) and (5), data buffer area when data buffer area during multi-way contral and single channel control is diverse location.Be convenient to like this switch at any time.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
1, control method of the present invention implements on the hardware and software platform that relies at single-channel control, and it is open to carry out secondary, shortens exploitation and the cycle of test, can realize arbitrarily switching list, multi-way contral, and usable range is wide, cost is low.
2, need to increase a set of task process compared to each passage in existing multi-channel method, task quantity is more, and the task quantity wanted required for the present invention is few, decreases the pressure of digital control system scheduling, reduces the instability that software may occur.
Accompanying drawing explanation
Fig. 1 is single-channel control process flow diagram in prior art.
Fig. 2 is multi-way contral method flow diagram in prior art.
Fig. 3 is the inventive method process flow diagram.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
As shown in Figure 3, single channel and multichannel method for handover control in a kind of digital control system, comprise the following steps:
(1) for input, not yet carry out decoding, the CNC parts program that comprises several passage running orbits, be introduced into preprocessing tasks and start decoding, be provided with some to hyperchannel identifier and hyperchannel full stop in CNC parts program, once there is hyperchannel identifier in decode procedure, then thinking current is multi-way contral, enters step (2); If no, then think single channel control, enter step (5);
(2) decoding is carried out to all CNC parts programs after this hyperchannel identifier and its between first hyperchannel full stop, to be decoded complete after, decoding data is filled in the data buffer of respective channel, then enters step (3);
(3) start hyperchannel scheduling controlling i.e. order the buffered data of each passage is read, carry out the preparation before interpolation: distribute the total amount of movement of each axle, data assignment interpolation used or clearing; Then step (4) is entered;
(4) after the preliminary work of all passages completes, then the taking-up of the data of each passage is carried out the amount of exercise that namely interpolation calculates each axle by order, exports this amount of exercise to exterior mechanical control device; Then step (6) is entered;
(5) single pass control: by before this hyperchannel identifier, the CNC parts program of not yet decoding carries out decoding, decoding data is filled in data buffer, decoding data is read when running, carry out the preparation before interpolation, then carry out interpolation, export the amount of exercise of each axle to exterior mechanical control device; Then step (6) is entered;
(6) judge input CNC parts program whether decoding is complete, if not, get back to step (1), if complete, exit control.
Described CNC parts program can be artificial programming, also can be automatic generation, in order to be more convenient for accelerating program speed, reduce human error, the present embodiment automatically generates the program of multi-way contral wherein, the program generated, wherein containing hyperchannel identifier and hyperchannel full stop, is automatically generate when automatically generating the program of multi-way contral.
In the present embodiment, data buffer area when data buffer area during multi-way contral and single channel control is diverse location.Be convenient to like this switch at any time.
Because only have program to be that user can at will revise in existing digital control system, content in other operation interface, if cutter benefit, warning, parameter etc. are fixing, and these fixing operation interface display when these operation interfaces of single channel control and multi-way contral are different, and be mend to show cutter with single channel in the present embodiment, warning, parameter etc.Reason is as follows:
1, standard single pass software only has a set of cutter complement certificate, the interfaces such as warning message, and the interface such as each passage of standard Multichannel software has the cutter complement certificate of a set of correspondence, warning, such user just knows the interface of current operation which passage corresponding very much, amendment and search operation simple and clear.But which increase software code amount and occupy hardware memory space.
2, according to standard Multichannel software, each passage will increase the cutter complement certificate of a set of correspondence, the information such as warning.If when program is switched to single channel, and multichannel cutter complement certificate, the display interface of each passages such as warning still exists, and may cause confusion like this when single channel control for searching of information such as parameter, cutter benefit, warnings.
3, standard single pass software is adopted to be used for showing the information such as cutter benefit, warning, the information processings such as multichannel cutter benefit, warning following (mending data instance with cutter to illustrate): by the cutter complement of all axles according to the interface that is placed on according to numeric order, set up cutter complement according to this after, the cutter information of mending according to the axle used calling single channel or multi-way contral, can join in the middle of corresponding axis information by software.Which reduce software code amount, and can realize sharing with single pass.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (3)
1. single channel and a multichannel method for handover control in digital control system, is characterized in that, comprise the following steps:
(1) for input, not yet carry out decoding, the CNC parts program that comprises several passage running orbits, be introduced into preprocessing tasks and start decoding, be provided with some to hyperchannel identifier and hyperchannel full stop in CNC parts program, once there is hyperchannel identifier in decode procedure, then thinking current is multi-way contral, enters step (2); If no, then think single channel control, carry out step (5);
(2) decoding is carried out to all CNC parts programs after this hyperchannel identifier and its between first hyperchannel full stop, to be decoded complete after, decoding data is filled in the data buffer of respective channel, then enters step (3);
(3) start hyperchannel scheduling controlling i.e. order the buffered data of each passage is read, carry out the preparation before interpolation: distribute the total amount of movement of each axle, data assignment interpolation used or clearing; Then step (4) is entered;
(4) after the preliminary work of all passages completes, then the taking-up of the data of each passage is carried out the amount of exercise that namely interpolation calculates each axle by order, exports this amount of exercise to exterior mechanical control device; Then step (6) is entered;
(5) single pass control: by before this hyperchannel identifier, the CNC parts program of not yet decoding carries out decoding, decoding data is filled in data buffer, decoding data is read when running, carry out the preparation before interpolation, then carry out interpolation, export the amount of exercise of each axle to exterior mechanical control device; Then step (6) is entered;
(6) judge input CNC parts program whether decoding is complete, if not, get back to step (1), if complete, exit control.
2. single channel and multichannel method for handover control in digital control system according to claim 1, is characterized in that, the hyperchannel identifier in described CNC parts program and hyperchannel full stop automatically generate when automatically generating the program of multi-way contral.
3. single channel and multichannel method for handover control in digital control system according to claim 1, it is characterized in that, in described step (2) and (5), data buffer area when data buffer area during multi-way contral and single channel control is diverse location.
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| CN104486037B (en) * | 2014-12-12 | 2018-02-13 | 东莞市奥普特自动化科技有限公司 | A kind of multi-functional communication means |
| CN112327759B (en) * | 2020-10-21 | 2021-12-28 | 苏州谷夫道自动化科技有限公司 | Method and system for synchronizing channels of multi-channel numerical control system |
| CN113110304A (en) * | 2021-03-13 | 2021-07-13 | 无锡信捷电气股份有限公司 | Multi-channel sport |
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