CN204790426U - Embedded controller's synchronization control system that dyes print based on DSP and FPGA - Google Patents
Embedded controller's synchronization control system that dyes print based on DSP and FPGA Download PDFInfo
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- CN204790426U CN204790426U CN201520454318.7U CN201520454318U CN204790426U CN 204790426 U CN204790426 U CN 204790426U CN 201520454318 U CN201520454318 U CN 201520454318U CN 204790426 U CN204790426 U CN 204790426U
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Abstract
The utility model discloses an embedded controller's synchronization control system that dyes print based on DSP and FPGA contains the signal acquisition module and rather than the signal processing module through bus connection, the signal acquisition module contains FPGA and connected speed sensor, data sensor module, the data processing unit contains DSP treater and connected display module, communication module, key entry module, converter and power module, still be equipped with the analog to digital conversion circuit, amplifier circuit and the filter circuit that connect gradually between speed sensor and the FPGA.
Description
Technical field
The utility model relates to a kind of synchronous control system, particularly relates to a kind of synchronous printing and dyeing control system of the embedded controller based on DSP and FPGA, belongs to synchro control field.
Background technology
In dyeing machine device fabrication process, each gear unit is respectively by independently motor driving.In order to ensure each units synchronization co-ordination of complete machine, improving the quality of products, needing to design corresponding isochronous controller.Multiple-unit synchrodrive is the key that dyeing machine device synchronization controls, but due to serious non-linear of alternating current generator, the dynamic perfromance of system and corresponding parameter, by the impact of external disturbance factor, add the difficulty that actual synchronization controls, reduce actual control accuracy.Traditional controlling plan design is as the synchro system poor reliability of band change type straight displacement elastic devices, and control accuracy is not high, is difficult to obtain satisfied control effects.
Such as application number is a kind of serial synchronous control system of " 201210587448.9 ", comprise position measuring system, position measurement cabinet, kinetic control system, motion control cabinet and serial synchronous control bus, position measuring system comprises synchronous data transmission bus, position measurement card, synchronous bus control card and the first data communication card, integrated installation is in the measuring machine case of position, kinetic control system comprises exercise data transfer bus, motion control card, motion bus controller card and the second data communication card, be arranged in motion control cabinet, position measuring system is connected with motion transmission system by serial synchronous control bus.The utility model is by being integrated in two respective independently cabinets respectively by position measuring system and kinetic control system, and utilize serial synchronous control bus to realize physical separation, add the position measurement axle of work stage mask stage and the quantity of motion driving shaft, the synchronous servo simultaneously utilizing serial synchronous control bus to also achieve position measuring system and kinetic control system controls.
And for example application number is the synchronous control system of " 201280013751.6 ", the transmission treating apparatus of terminal possesses: transmit interface portion, keep the packet received and dispatched, and when receiving the bag for synchro control, obtain the reception timing calculated for synchro control; Timing generating unit, generates certain internal timing; Transmitting-receiving handling part, carries out to specific secondary terminal the transmission that synchronization request supervises bag, and from receive synchronization request supervise the secondary terminal reception of bag synchronization request bag time, send syn ack bag; And synchro control portion, according to receiving the moment of packet and time information additional in received packet, calculating synchronous error, carrying out the judgement of sync status, and regulate correction according to sync status, send the instruction of internal timing correction to above-mentioned timing generating unit.
Utility model content
Technical problem to be solved in the utility model is the synchronous printing and dyeing control system providing a kind of embedded controller based on DSP and FPGA for the deficiency of background technology.
The utility model is for solving the problems of the technologies described above by the following technical solutions:
A kind of synchronous printing and dyeing control system of the embedded controller based on DSP and FPGA, the signal processing module comprising signal acquisition module and be connected by bus with it, described signal acquisition module comprises FPGA and connected speed probe, data transmission module, and described data processing unit comprises dsp processor and connected display module, communication module, input through keyboard module, frequency converter and power module; The analog to digital conversion circuit, amplifying circuit and the filtering circuit that connect successively is also provided with between described speed probe and FPGA;
Described amplifying circuit comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance, the output terminal of analog to digital conversion circuit connects one end of the first resistance and the second resistance respectively, the other end of the second resistance connects the positive pole of amplifier chip, with the other end ground connection of the first resistance after the negative pole of amplifier chip and the 3rd resistant series, the voltage output end of amplifier chip connects the input end of filtering circuit.
As the further preferred version of the synchronous printing and dyeing control system of a kind of embedded controller based on DSP and FPGA of the utility model, the chip model of described FPGA is EPFl0Kl0LC84.
As the further preferred version of the synchronous printing and dyeing control system of a kind of embedded controller based on DSP and FPGA of the utility model, described speed probe adopts BES58-P0CA0P series optical rotary encoder.
As the further preferred version of the synchronous printing and dyeing control system of a kind of embedded controller based on DSP and FPGA of the utility model, the chip model of analog-digital conversion circuit as described is TMS320LF240.
As the further preferred version of the synchronous printing and dyeing control system of a kind of embedded controller based on DSP and FPGA of the utility model, described display module adopts G35LCD screen.
The utility model adopts above technical scheme compared with prior art, has following technique effect:
1, the utility model structure simple, be easy to realize, measuring accuracy is high;
2, the utility model adopts the Embedded Synchronous controller of DSP+FPGA, and have flexible structure, the feature of highly versatile, is applicable to modular design, can greatly reduce the peripheral components of system, reduce costs.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present utility model;
Fig. 2 is amplifying circuit circuit diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail:
As shown in Figure 1, a kind of synchronous printing and dyeing control system of the embedded controller based on DSP and FPGA, the signal processing module comprising signal acquisition module and be connected by bus with it, described signal acquisition module comprises FPGA and connected speed probe, data transmission module, and described data processing unit comprises dsp processor and connected display module, communication module, input through keyboard module, frequency converter and power module; The analog to digital conversion circuit, amplifying circuit and the filtering circuit that connect successively is also provided with between described speed probe and FPGA;
As shown in Figure 2, described amplifying circuit comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance, the output terminal of analog to digital conversion circuit connects one end of the first resistance and the second resistance respectively, the other end of the second resistance connects the positive pole of amplifier chip, with the other end ground connection of the first resistance after the negative pole of amplifier chip and the 3rd resistant series, the voltage output end of amplifier chip connects the input end of filtering circuit.
Wherein, the chip model of described FPGA is EPFl0Kl0LC84, and described speed probe adopts BES58-P0CA0P series optical rotary encoder, and the chip model of analog-digital conversion circuit as described is TMS320LF240, and described display module adopts G35LCD screen.
The utility model, based on the Embedded Synchronous controller of DSP+FPGA, has flexible structure, and the feature of highly versatile, is applicable to modular design, can greatly reduce the peripheral components of system, reduce costs.DSP, as the core of operation control, mainly completes motor start and stop, the realization of control algolithm and all kinds of interface process etc.; FAPG, as the core of data acquisition module, is responsible for the realization of data acquisition and keyboard interface circuit.Be convenient to make each units synchronization co-ordination of dyeing apparatus.
The hardware configuration of embedded controller: DSP is the core cell of system, and it carries out computing, analysis and display to the various parameters gathered, and by the meter communication of communication module and this area 485 interface.Select the TMS320LF2407A type dsp chip of TI company, it adopts the static CMOS technology of high-performance, and supply voltage reduces to 3.3V, and power consumption is little, has the execution speed of 30MIPS, makes the instruction cycle shorten to 33ns, improves the real-time control capability of controller; The FLASH program storage up to 32KB is had in sheet.16 TMS320LF2407A type dsp chips have sample rate soon, and floating-point processing speed is high, the features such as good stability.The special construction of DSP and premium properties meet the needs of system.
FPGA adopts the FLEX family chip EPFl0Kl0LC84 of altera corp, there is high density, low cost, the features such as low-power, can support multivoltage I/O interface, be at PAL, GAL, the basis of the programmable logic device (PLD) such as EPLD grows up, is very suitable for the application scenario of the logical circuit such as sequential, combination.FPGA uses as an external coprocessor, is connected with dsp processor by bus, and the main function realized is step-by-step counting, keyboard scan etc.The maximum feature of FPGA is the online reconfigurability of its internal logic.When application demand changes, programming is re-started to FPGA, its logic behavior can be changed, substantially increase opening and the reconfigurability of system.The high speed of FPGA and dirigibility also ensure that the real-time of system, and simplify the peripheral circuit of system, reduce cost.
Display module adopts G35LCD screen, by the connection of bus and DSP, by configuring related register, writing and calling related application interface function and can show parameter to be measured, running status and other supplementarys.Communication module is made up of RS485 interface circuit, controller and frequency converter can be linked together with it.The parameter being set and revise frequency converter by controller is realized, to monitor its duty by communication.For the ease of realizing field adjustable, data input and controlling functions such as order transmission etc., this system matrix keyboard of 4 × 4.Adopt FPGA to complete keyboard interface circuit, I/O resource can be saved, alleviate processor burden, improve the overall performance of system.Data acquisition module 2 rotary encoders are converted to digit pulse motor speed, and by FPGA recording impulse value, DSP is by interrupting reading numerical values.After calculation process, export the frequency converter of controlled quentity controlled variable U (k) to each driven machine through communication module, regulated the rotating speed of driven machine by frequency converter, make its change of constantly following mover rotating speed and realize synchronous.More than design improves dirigibility and the versatility of system, reduces cost of development, can be used as a standalone module and be connected with embedded system.
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the utility model.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Above embodiment is only and technological thought of the present utility model is described; protection domain of the present utility model can not be limited with this; every technological thought according to the utility model proposes, any change that technical scheme basis is done, all falls within the utility model protection domain.By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, make a variety of changes under can also or else departing from the prerequisite of the utility model aim.
Claims (5)
1. the synchronous printing and dyeing control system of the embedded controller based on DSP and FPGA, it is characterized in that: the signal processing module comprising signal acquisition module and be connected by bus with it, described signal acquisition module comprises FPGA and connected speed probe, data transmission module, and described data processing unit comprises dsp processor and connected display module, communication module, input through keyboard module, frequency converter and power module; The analog to digital conversion circuit, amplifying circuit and the filtering circuit that connect successively is also provided with between described speed probe and FPGA;
Described amplifying circuit comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance, the output terminal of analog to digital conversion circuit connects one end of the first resistance and the second resistance respectively, the other end of the second resistance connects the positive pole of amplifier chip, with the other end ground connection of the first resistance after the negative pole of amplifier chip and the 3rd resistant series, the voltage output end of amplifier chip connects the input end of filtering circuit.
2. the synchronous printing and dyeing control system of a kind of embedded controller based on DSP and FPGA according to claim 1, is characterized in that: the chip model of described FPGA is EPFl0Kl0LC84.
3. the synchronous printing and dyeing control system of a kind of embedded controller based on DSP and FPGA according to claim 1, is characterized in that: described speed probe adopts BES58-P0CA0P series optical rotary encoder.
4. the synchronous printing and dyeing control system of a kind of embedded controller based on DSP and FPGA according to claim 1, is characterized in that: the chip model of analog-digital conversion circuit as described is TMS320LF240.
5. the synchronous printing and dyeing control system of a kind of embedded controller based on DSP and FPGA according to claim 1, is characterized in that: described display module adopts G35LCD screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520454318.7U CN204790426U (en) | 2015-06-29 | 2015-06-29 | Embedded controller's synchronization control system that dyes print based on DSP and FPGA |
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| CN201520454318.7U CN204790426U (en) | 2015-06-29 | 2015-06-29 | Embedded controller's synchronization control system that dyes print based on DSP and FPGA |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898530A (en) * | 2015-06-29 | 2015-09-09 | 江苏海大印染机械有限公司 | Embedded controller synchronous printing and dyeing control system based on DSP (Digital Signal Processor) and FPGA (Field Programmable Gate Array) |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898530A (en) * | 2015-06-29 | 2015-09-09 | 江苏海大印染机械有限公司 | Embedded controller synchronous printing and dyeing control system based on DSP (Digital Signal Processor) and FPGA (Field Programmable Gate Array) |
| WO2017000514A1 (en) * | 2015-06-29 | 2017-01-05 | 江苏海大印染机械有限公司 | Synchronous printing and dyeing control system for dsp- and fpga-based embedded controller |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214112, No. 8, Nanfeng Road, Mei Village, Wuxi New District, Jiangsu Patentee after: JIANGSU HAIDA TEXTILE MACHINERY CO., LTD. Address before: 214112, No. 8, Nanfeng Road, Mei Village, Wuxi New District, Jiangsu Patentee before: Jiangsu Haida Dyeing Printing Machinery Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |