CN202929431U - Embedded type real time numerical control system - Google Patents
Embedded type real time numerical control system Download PDFInfo
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- CN202929431U CN202929431U CN 201220630073 CN201220630073U CN202929431U CN 202929431 U CN202929431 U CN 202929431U CN 201220630073 CN201220630073 CN 201220630073 CN 201220630073 U CN201220630073 U CN 201220630073U CN 202929431 U CN202929431 U CN 202929431U
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Abstract
The utility model relates to an embedded type real time numerical control system comprising a display, a man-machine communication processor, a real time interpolation controller, a configuration and interface manager, a hand-held unit conversion plate, an operation panel, a network interface, a CAN bus, servo drivers, and servo motors. An industrial display is sequentially connected with the man-machine communication processor, the real time interpolation controller, and the configuration and interface manager. The configuration and interface manager is connected with 1 to 6 servo driver/s at the same time, and each of the servo drivers is connected with the corresponding servo motor. The man-machine communication processor is connected with the hand-held unit conversion plate and the operation panel. The configuration and interface manager is connected with the network interface and the CAN bus. According to the utility model, the ARM11+DSP28335+FPGA brand new numerical control system hardware configuration can be used to replace the conventional industrial PC machine + motion control card. The embedded type real time numerical control system has advantages of strong calculation capability, low costs, and abilities of reducing size, costs, and power consumption of system greatly, and improving reliability and reconstructibility of system.
Description
Technical field
The utility model relates to a kind of embedded Real Time CNC System.
Background technology
The development of domestic Numeric Control Technology has been made significant headway, but domestic independently developed machine tool numerical control system is based on industrial computer or SCM Based control system mostly, take Central China numerical control, space flight numerical control as representative.The shortcomings such as but their product ubiquity integrated level is not high, and is portable relatively poor, and precision is not high.Built-in digital control system take microprocessor as hardware platform is actually rare at home, and this has limited the development of Numeric Control Technology to a certain extent greatly.Compare with domestic, external Numeric Control Technology is quite ripe, and Numeric Control Technology is developed to universal, open, dynamic, closed-loop control in real time by tailored version, enclosed type, open loop control mode.On integrated basis, external digital control system is to ultrathin type, miniaturization, intellectuality and networking future development.And the digital control system that domestic minority digital control system research and development institution proposes is ARM7 (or ARM9)+fixed DSP mostly, and the underintegration of system is high, stability is not ideal enough, and man-machine interaction effect and processing speed real-time are not good enough.
Summary of the invention
The utility model relates to a kind of built-in digital control system based on S3C6410, TMS320F28335 and EP2C8, adopt 32 ARM11 microprocessors (S3C6410) as master controller, adopt the 32 float-point DSP TMS28335 chips with Harvard structure of TI company as interpolate controller.The utility model provides following technical scheme:
A kind of embedded Real Time CNC System, its technical essential is: comprise display, man-machine communication's processor, real-time interpolation controller, preparation and interface manager, handheld unit change-over panel, guidance panel, network interface, CAN bus, servo-driver, servomotor; Industrial display successively with man-machine communication's processor, based on the real-time interpolation controller, preparation is connected with interface manager, prepares with the interface manager while to be connected with 1 ~ 6 servo-driver, each servo-driver is connected with corresponding servomotor; Man-machine communication's processor also with the handheld unit change-over panel, guidance panel connects; Preparation also is connected with network interface with interface manager, and the CAN bus connects.
Described network interface comprises RS485 or RS232 or USB2.0 or Ethernet.
The beneficial effects of the utility model are as follows:
The utility model adopts the brand-new CNC system hardware framework of ARM11+DSP28335+FPGA, the structure that replaces traditional industry control PC+motion control card, have the advantages that arithmetic capability is strong, cost is low, to greatly reduce volume, cost and the power consumption of system, improve reliability and the reconfigurability of system.Cyclone II type FPGA (EP2C8) chip is guaranteed diversity and the reliability of input/output terminal port communications as the channel controller of digital control system.It has following characteristics:
1. cost performance is higher, can be neatly the various special-purpose numerical control systems of customization.Embedded have an extraordinary portability, and system becomes possibility for the Extraordinary customization.The integrated digital control system cost of the utility model design height reduces greatly.Up-to-date ARM11 processor is partly adopted in man-machine interaction, at utmost brings into play the man-machine interaction of present Intellectualized Tendency and experiences.Up-to-date motion control type floating point DSP process chip TMS320F28335 is partly adopted in crucial interpolation and logic control, at utmost realizes the real-time effect of digital control system.Channels designs partly adopts the Cyclone II type FPGA (EP2C8) of main flow, for system provides more open communications platform, more stable communication port.
2. system's real time response speed is fast, and interpolation and machining precision are high, and the coordination of multiprocessor is controlled provides a hardware platform more efficiently.Floating point DSP type APU processing speed of the present utility model is up to 6.67ns, and the realization for high accuracy interpolation provides the basis at a high speed, and three processors are had one's own work to do, and structural coordination is more efficient by the work of system.
Hi-tech embed hardware foundation for introduce various up-to-date expert systems, Based Intelligent Control provides necessary support.The specialized high-speed float-point DSP processor allows and embeds expert system, diagnostic system and the Based Intelligent Control possibility that becomes.Good ARM11 embeds hardware platform can easily transplant multiple arbitration, intelligent control software system by system.
4. variation, communication port design reliably, accurately the embedded OS of cutting can easily provide an open operation platform more.
5. Ethernet, CAN bus and other the multiple means of communication cloud terminal that allows numerical control device become Ethernet becomes possibility.Remote-controlled operation and monitoring are convenient in the networking of numerically-controlled machine, also are convenient to remote fault diagnosis and adjust.By Lathe networking, not only be conducive on any a machine tool to other lathe programme, operation and setup parameter, also be conducive to manufacturer to product monitoring and maintenance, also be suitable for working in operating personnel should not arrive the environment at scene.
Description of drawings
Fig. 1 is hardware configuration and peripheral unit control theory diagram.
The symbol description of accompanying drawing major part: 1 industrial display, 2 based on S3C6410MMC man-machine communication processor, 3 based on TMS320FS28335NCU real-time interpolation controller, 4 based on EPM240 preparation and interface manager, 5 handheld unit change-over panels, 6 network interfaces, 7 guidance panels, the 8CAN bus, 9 servo-drivers, 10 servomotors.
The utility model is described in further detail by example below in conjunction with accompanying drawing; but following example is only the utility model example wherein; do not represent the rights protection scope that the utility model limits, rights protection scope of the present utility model is as the criterion with claims.
Embodiment
A kind of embedded Real Time CNC System as shown in Figure 1, comprise industrial display 1, based on S3C6410MMC man-machine communication processor 2, based on TMS320FS28335NCU real-time interpolation controller 3, based on EPM240 preparation and interface manager 4, handheld unit change-over panel 5, guidance panel 7, network interface 6, CAN bus 8, servo-driver 9, servomotor 10; Industrial display 1 successively with based on S3C6410MMC man-machine communication processor 2, based on TMS320FS28335NCU real-time interpolation controller 3, preparation is connected with interface manager 4 based on EPM240, be connected with six servo-drivers 9 simultaneously with interface manager 4 based on the EPM240 preparation, each servo-driver is connected with corresponding servomotor 10; Based on S3C6410MMC man-machine communication processor 2 also with handheld unit change-over panel 5, guidance panel connects 7; Also be connected 6, CAN bus with network interface based on EPM240 preparation and interface manager 2 and connect 8.
Its course of work is: input the G code of digital control processing as the user after, by the code interpretative device in S3C6410 embedded microprocessor 2, G code is translated into the instruction that digital control system can be controlled each servomotor 10, comprise G instruction, M instruction, S instruction and T instruction etc.Command after microcontroller will be translated is given and is mended TMS28335 interpolate controller 3, and realizes rough interpolation and smart interpolation.Then via the output channel of EP2C8 design, output control pulse is to digital servo-drive module 9, and then control servomotor 10.
Claims (2)
1. an embedded Real Time CNC System, is characterized in that: comprise display, man-machine communication's processor, real-time interpolation controller, preparation and interface manager, handheld unit change-over panel, guidance panel, network interface, CAN bus, servo-driver, servomotor; Industrial display successively with man-machine communication's processor, based on the real-time interpolation controller, preparation is connected with interface manager, prepares with the interface manager while to be connected with 1 ~ 6 servo-driver, each servo-driver is connected with corresponding servomotor; Man-machine communication's processor also with the handheld unit change-over panel, guidance panel connects; Preparation also is connected with network interface with interface manager, and the CAN bus connects.
2. embedded Real Time CNC System according to claim 1, it is characterized in that: described network interface comprises RS485 or RS232 or USB2.0 or Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220630073 CN202929431U (en) | 2012-11-26 | 2012-11-26 | Embedded type real time numerical control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220630073 CN202929431U (en) | 2012-11-26 | 2012-11-26 | Embedded type real time numerical control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202929431U true CN202929431U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220630073 Expired - Fee Related CN202929431U (en) | 2012-11-26 | 2012-11-26 | Embedded type real time numerical control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570957A (en) * | 2015-02-02 | 2015-04-29 | 中山市大谷电子科技有限公司 | Intelligent numerical-control engraving machine controller |
| CN107817765A (en) * | 2017-11-02 | 2018-03-20 | 淮安信息职业技术学院 | Based on ARM11 and FPGA global function digital control systems |
| CN115685887A (en) * | 2022-11-02 | 2023-02-03 | 深圳市威德克科技有限公司 | CAN bus type servo and pulse type servo mixed-matched control system and method |
-
2012
- 2012-11-26 CN CN 201220630073 patent/CN202929431U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570957A (en) * | 2015-02-02 | 2015-04-29 | 中山市大谷电子科技有限公司 | Intelligent numerical-control engraving machine controller |
| CN107817765A (en) * | 2017-11-02 | 2018-03-20 | 淮安信息职业技术学院 | Based on ARM11 and FPGA global function digital control systems |
| CN115685887A (en) * | 2022-11-02 | 2023-02-03 | 深圳市威德克科技有限公司 | CAN bus type servo and pulse type servo mixed-matched control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20141126 |
|
| EXPY | Termination of patent right or utility model |