CN104898530A - Embedded controller synchronous printing and dyeing control system based on DSP (Digital Signal Processor) and FPGA (Field Programmable Gate Array) - Google Patents
Embedded controller synchronous printing and dyeing control system based on DSP (Digital Signal Processor) and FPGA (Field Programmable Gate Array) Download PDFInfo
- Publication number
- CN104898530A CN104898530A CN201510367589.3A CN201510367589A CN104898530A CN 104898530 A CN104898530 A CN 104898530A CN 201510367589 A CN201510367589 A CN 201510367589A CN 104898530 A CN104898530 A CN 104898530A
- Authority
- CN
- China
- Prior art keywords
- module
- fpga
- dsp
- control system
- embedded controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 31
- 238000004043 dyeing Methods 0.000 title claims abstract description 20
- 238000007639 printing Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000000576 supplementary effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- 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
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Coloring (AREA)
Abstract
The invention discloses an embedded controller synchronous printing and dyeing control system based on a DSP (Digital Signal Processor) and a FPGA (Field Programmable Gate Array). The synchronous printing and dyeing control system comprises a signal acquisition module and a signal processing module which is connected with the signal acquisition module through a bus. The signal acquisition module comprises the FPGA, a rotating speed sensor and a data sensor module, wherein the rotating speed sensor and the data sensor module are connected with the FPGA. A data processing unit comprises the DSP, a display module, a communication module, a keyboard input module, a frequency converter and a power supply module, wherein the display module, the communication module, the keyboard input module, the frequency converter and the power supply module are connected with the DSP. An analog to digital conversion circuit, an amplification circuit and a filtering circuit are sequentially connected between the rotating speed sensor and the FPGA.
Description
Technical field
The present invention relates to a kind of synchronous control system, particularly relate to a kind of synchronous printing and dyeing control system of the embedded controller based on DSP and FPGA, belong 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 present invention 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.
Summary of the invention
Technical matters to be solved by this invention 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 present invention 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 present invention, 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 present invention, 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 present invention, 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 present invention, described display module adopts G35LCD screen.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1, structure of the present invention simple, be easy to realize, measuring accuracy is high;
2, the present invention 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 invention;
Fig. 2 is amplifying circuit circuit diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention 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 present invention is based on the Embedded Synchronous controller of DSP+FPGA, have flexible structure, 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 3.3 V, and power consumption is little, has the execution speed of 30 MIPS, makes the instruction cycle shorten to 33ns, improves the real-time control capability of controller; The FLASH program storage up to 32 KB 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 RS 485 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 present invention.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 invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, makes a variety of changes under can also or else departing from the prerequisite of present inventive concept.
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.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510367589.3A CN104898530A (en) | 2015-06-29 | 2015-06-29 | Embedded controller synchronous printing and dyeing control system based on DSP (Digital Signal Processor) and FPGA (Field Programmable Gate Array) |
| PCT/CN2015/097786 WO2017000514A1 (en) | 2015-06-29 | 2015-12-18 | Synchronous printing and dyeing control system for dsp- and fpga-based embedded controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510367589.3A CN104898530A (en) | 2015-06-29 | 2015-06-29 | Embedded controller synchronous printing and dyeing control system based on DSP (Digital Signal Processor) and FPGA (Field Programmable Gate Array) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104898530A true CN104898530A (en) | 2015-09-09 |
Family
ID=54031248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510367589.3A Withdrawn CN104898530A (en) | 2015-06-29 | 2015-06-29 | Embedded controller synchronous printing and dyeing control system based on DSP (Digital Signal Processor) and FPGA (Field Programmable Gate Array) |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104898530A (en) |
| WO (1) | WO2017000514A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106408816A (en) * | 2016-10-28 | 2017-02-15 | 江苏金米智能科技有限责任公司 | Safe anti-theft monitoring system of intelligent household |
| CN106447982A (en) * | 2016-10-28 | 2017-02-22 | 江苏金米智能科技有限责任公司 | Smart home security anti-theft monitoring system based on double power supply modes |
| CN106637781A (en) * | 2017-01-13 | 2017-05-10 | 江苏海大纺织机械股份有限公司 | Printing and dyeing dedicated setting machine with remote detection control |
| CN107885157A (en) * | 2017-12-19 | 2018-04-06 | 江苏海大纺织机械股份有限公司 | A kind of synchronous forming machine based on embedded controller |
| CN107908139A (en) * | 2017-12-19 | 2018-04-13 | 江苏海大纺织机械股份有限公司 | A kind of synchronous forming machine based on wireless network |
| CN107911090A (en) * | 2017-12-12 | 2018-04-13 | 成都互聚科技有限公司 | Computer network gathered data processing system based on dsp processor |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290648B (en) * | 2017-07-03 | 2024-04-05 | 上海铁路通信有限公司 | Signal acquisition and transmission device for track circuit |
| CN108772202A (en) * | 2018-04-26 | 2018-11-09 | 浙江大维高新技术股份有限公司 | One kind being based on DSP unit tandem reactor integrated manipulator |
| CN111301458B (en) * | 2018-12-12 | 2025-01-28 | 西安中车永电捷通电气有限公司 | EMU air conditioning display setting device |
| CN111391877A (en) * | 2019-01-02 | 2020-07-10 | 西安中车永电捷通电气有限公司 | Air conditioner control device of motor train unit |
| CN110362004A (en) * | 2019-06-30 | 2019-10-22 | 中国船舶重工集团公司第七一六研究所 | Digital input-output interface and control method based on DSP+FPGA |
| CN113467506B (en) * | 2021-06-28 | 2023-08-25 | 北京航天飞腾装备技术有限责任公司 | Domestic flight controller based on core board design and design method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7194321B2 (en) * | 2004-10-29 | 2007-03-20 | Dynacity Technology (Hk) Limited | Modular multi-axis motion control and driving system and method thereof |
| CN202094830U (en) * | 2011-01-25 | 2011-12-28 | 南京雪曼机电科技有限公司 | Multiaxial synchronizing servo drive system |
| CN103176429A (en) * | 2012-01-16 | 2013-06-26 | 深圳市强华科技发展有限公司 | High-performance PCB (printed circuit board) drill press control system |
| CN204206038U (en) * | 2014-11-17 | 2015-03-11 | 摆银龙 | A kind of dyeing apparatus Embedded Synchronous control system |
| CN204790426U (en) * | 2015-06-29 | 2015-11-18 | 江苏海大印染机械有限公司 | Embedded controller's synchronization control system that dyes print based on DSP and FPGA |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470437A (en) * | 2007-12-25 | 2009-07-01 | 江苏一重数控机床有限公司 | Numerical control edge planer control system based on WINDOWS platform |
| CN102490498B (en) * | 2011-12-22 | 2016-08-03 | 定洲智能系统(上海)有限公司 | Embedded type spray-painting machine control system |
| 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) |
-
2015
- 2015-06-29 CN CN201510367589.3A patent/CN104898530A/en not_active Withdrawn
- 2015-12-18 WO PCT/CN2015/097786 patent/WO2017000514A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7194321B2 (en) * | 2004-10-29 | 2007-03-20 | Dynacity Technology (Hk) Limited | Modular multi-axis motion control and driving system and method thereof |
| CN202094830U (en) * | 2011-01-25 | 2011-12-28 | 南京雪曼机电科技有限公司 | Multiaxial synchronizing servo drive system |
| CN103176429A (en) * | 2012-01-16 | 2013-06-26 | 深圳市强华科技发展有限公司 | High-performance PCB (printed circuit board) drill press control system |
| CN204206038U (en) * | 2014-11-17 | 2015-03-11 | 摆银龙 | A kind of dyeing apparatus Embedded Synchronous control system |
| CN204790426U (en) * | 2015-06-29 | 2015-11-18 | 江苏海大印染机械有限公司 | Embedded controller's synchronization control system that dyes print based on DSP and FPGA |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106408816A (en) * | 2016-10-28 | 2017-02-15 | 江苏金米智能科技有限责任公司 | Safe anti-theft monitoring system of intelligent household |
| CN106447982A (en) * | 2016-10-28 | 2017-02-22 | 江苏金米智能科技有限责任公司 | Smart home security anti-theft monitoring system based on double power supply modes |
| CN106637781A (en) * | 2017-01-13 | 2017-05-10 | 江苏海大纺织机械股份有限公司 | Printing and dyeing dedicated setting machine with remote detection control |
| CN107911090A (en) * | 2017-12-12 | 2018-04-13 | 成都互聚科技有限公司 | Computer network gathered data processing system based on dsp processor |
| CN107885157A (en) * | 2017-12-19 | 2018-04-06 | 江苏海大纺织机械股份有限公司 | A kind of synchronous forming machine based on embedded controller |
| CN107908139A (en) * | 2017-12-19 | 2018-04-13 | 江苏海大纺织机械股份有限公司 | A kind of synchronous forming machine based on wireless network |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017000514A1 (en) | 2017-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104898530A (en) | Embedded controller synchronous printing and dyeing control system based on DSP (Digital Signal Processor) and FPGA (Field Programmable Gate Array) | |
| CN106411184B (en) | The multi-axle motor sync control device and method of a kind of networking | |
| CN102735445B (en) | Device for measuring gearbox transmission precision based on double servo motors | |
| CN105680735B (en) | Four axis servomotor motion control cards and method based on arm processor | |
| CN201233517Y (en) | Digital monitoring and controlling system for electric vortex power measuring machine | |
| CN204203725U (en) | A kind of for servomotor position control system with high accuracy | |
| CN106773897B (en) | A kind of method that absolute encoder signal is converted to incremental encoder signal | |
| CN104317253A (en) | System method for servo motor position control | |
| CN201897522U (en) | Low-frequency square-wave cycle detecting system | |
| CN206224181U (en) | A kind of multiple-axis servo drive system position feedback data interface card based on FPGA | |
| CN204790426U (en) | Embedded controller's synchronization control system that dyes print based on DSP and FPGA | |
| CN202004710U (en) | Alternating-current servo controller using electronic transmission ratio | |
| CN202648946U (en) | Gear case transmission accuracy measuring device based on dual servo motor | |
| CN204790425U (en) | Printing equipment synchronous control system | |
| CN210804034U (en) | motion control card | |
| Zeng et al. | Coordinated control system of multi-level belt conveyors for promotion the energy efficiency based on IoT-Technology | |
| CN207601606U (en) | A kind of synchronization forming machine based on embedded controller | |
| CN207731110U (en) | A kind of synchronization forming machine based on wireless network | |
| CN202300375U (en) | Drilling depth tester for roller-bit hole rig | |
| CN102410849B (en) | Control method of programmable integrated sensor | |
| CN102736549A (en) | 24-Bit acquisition module | |
| CN110912525A (en) | High oil pressure microcomputer speed regulator | |
| CN104898531A (en) | Printing and dyeing equipment synchronous control system | |
| CN107908139A (en) | A kind of synchronous forming machine based on wireless network | |
| CN201557013U (en) | Novel encoder for servo motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150909 |