CN105187535A - Network control method of force standard machine - Google Patents

Network control method of force standard machine Download PDF

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Publication number
CN105187535A
CN105187535A CN201510581697.0A CN201510581697A CN105187535A CN 105187535 A CN105187535 A CN 105187535A CN 201510581697 A CN201510581697 A CN 201510581697A CN 105187535 A CN105187535 A CN 105187535A
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CN
China
Prior art keywords
control
force standard
network
data
network control
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.)
Pending
Application number
CN201510581697.0A
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Chinese (zh)
Inventor
张晟
张学成
季晓刚
黄思渊
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Suzhou Miracleie Intelligent Equipment Co Ltd
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Suzhou Miracleie Intelligent Equipment Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN201510581697.0A priority Critical patent/CN105187535A/en
Publication of CN105187535A publication Critical patent/CN105187535A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/02Network-specific arrangements or communication protocols supporting networked applications involving the use of web-based technology, e.g. hyper text transfer protocol [HTTP]
    • H04L67/025Network-specific arrangements or communication protocols supporting networked applications involving the use of web-based technology, e.g. hyper text transfer protocol [HTTP] for remote control or remote monitoring of the application

Abstract

The invention belongs to the control field of standard machines, particularly relates to a network control method of a force standard machine. The network control method comprises the specific steps of: 1) constructing a control system center; 2) constructing an industrial-grade interactive Ethernet platform; 3) constructing a signal conversion unit; 4) constructing an execution center; 5) constructing a feedback device and an execution device; 6) constructing an output unit; 7) and constructing a standby interface. The network control method has the advantages that: firstly, design and development of the control system are simplified, and development difficulty of control system software is reduced; secondly, the force standard machine wireless control is made possible, the wiring scheme can be simplified, the wiring cost is reduced, the system stability can be improved, and the uncertainty is decreased; thirdly, and a platform type control system of force standard machines of various specifications and models can be developed by applying the network control method, thereby being conductive to reducing cost, and improving accuracy and stability.

Description

A kind of network control method of force standard machines
Technical field
The invention belongs to force standard machines control field, be specifically related to a kind of network control method of force standard machines.
Background technology
Along with the fast development of Chinese national economy, industry and life intelligence degree more and more higher, force value transducer also gets more and more in the use of every field.Therefore, the using in a large number and produce and all need more force standard machines and come into operation of force value transducer.At present, force standard machines industry is just towards increasingly automated and intelligent and precise treatment future development, and especially at force standard machines control field, development is advanced by leaps and bounds especially.In the control of traditional force standard machines, main simple control circuit or the simple Programmable Logic Controller of adopting controls equipment, the such as product of the 80s and 90s in last century.About nearly ten years, along with the Integral lifting of electronic information industry level, multi-axis motion control card and servo control unit more and more universal, gradually become the main flow of force standard machines control field.
But, along with multi-axis motion control card, the use of many covers servo drive unit even many cover stepper drive unit, while single-point controllability improves, design arrangement and even the wiring of whole force standard machines control system are installed all complicated than traditional equipment many, meanwhile, the wiring of a large amount of control system reduces the reliability of whole electric-control system on the one hand, also result in the significantly raising of equipment cost on the other hand.
Summary of the invention
For the technical problem that prior art exists, the invention provides a kind of network control method of force standard machines, this control method introduces a kind of new control system model, it builds control system with Ethernet, control independently driver element by control system and replace the model of original multi-axis motion control card and independent driving unit to adapt to more complicated Control System Design, solution Control System Design is complicated, and wiring is complicated, the low and defect that cost is high of system reliability.
Realize the object of the invention and the technical scheme adopted is: a kind of network control method of force standard machines, the method concrete steps are:
1) build control system maincenter, for transmitting-receiving, process all control commands and data;
2) the interactive Ethernet platform of technical grade is built, for collecting in real time and transmitting all both-way communication data;
3) build signal conversion unit, for the communication data of switching network platform with the maincenter of execution, realize the slitless connection of network data and serial data;
4) execution maincenter is built, for receiving and dispatching the data of converting unit;
5) build feedback device and final controlling element, this stream oriented device is all in control system end, and final controlling element is used for receiving activity order and provides corresponding actions, and feedback device is used for the operating state of upwards first order feed-back plant equipment;
6) output unit is built, for showing test data and printing test result in real time;
7) spare interface is built, for system extension.
Technique effect of the present invention is:
The invention provides a kind of novel force standard machines control method, adopt after the method, the first, can the design and development of simplified control system, reduce Control System Software development difficulty, both can shorten the construction cycle, and can development cost be reduced again.The second, make force standard machines wireless penetration control to become possibility, so both can simplified wiring scheme, reduce wiring cost, can the stability of a system be improved again, reduce uncertainty.3rd, after applying this control method, the flatbed control system adapting to plurality of specifications model force standard machines can be developed into, contribute to reducing costs, improve precision and stability.
Accompanying drawing explanation
Fig. 1 is the topological structure that control system of the present invention is selected.
Fig. 2 is the ethernet communication model of control system of the present invention.
Fig. 3 is the network control system structure chart that the present invention is applied to Dead Weigh Force Standard Machine.
Embodiment
Below in conjunction with accompanying drawing the present invention done and describe further.
Fig. 1 is the stelliform connection topology configuration that the present invention selects.The topological structure forming LAN has a variety of, and wherein modal is bus-type (BUS) topology, star-like (STAR) topology and ring-like (RING) topology.According to the requirement of the separate control of the multiple unit of force standard machines, and requirement that is real-time and main control computer communication, star-like (STAR) topological structure can meet the demands.Therefore, the present invention selects stelliform connection topology configuration as Control system architecture basis.
Fig. 2 is control system ethernet communication model of the present invention, and this model is built on the basis of stelliform connection topology configuration.Host computer can adopt industrial computer or PC, as file server and work station.Carry out communication by network interface unit and the switching Ethernet local area network (LAN) built with cable network or wireless network, so with network in as the servo drive unit of isolated node or stepper drive unit communications.Therefore, the network full duplex communication of main control computer and controlled unit successfully can be realized by this model.
Different communications regime is often adopted from open Ethernet to independently driver element, therefore can not Direct Communication.Adopt serial server as communication interconnecting module in the present invention.By installing this module, often overlapping driver element is no longer only driver element, but independently has the network node of different MAC Address and IP address.And in the present invention, high level language both can have been adopted to write control program, the even elementary program language of middle rank also can be adopted to write.Meanwhile, after adopting technical grade wireless type serial server and technical grade wireless router, the wireless penetration of whole force standard machines control system can be realized.
Fig. 3 is the network control system structure chart that the present invention is applied to Dead Weigh Force Standard Machine.The network control method of a kind of force standard machines of the present invention, the method concrete steps are:
1) build control system maincenter, for transmitting-receiving, process all control commands and data, the ordinary PC of being furnished with wired or wireless network interface card or professional industrial computer can be selected here.
2) the interactive Ethernet platform of technical grade is built.For collecting in real time and transmitting all both-way communication data.The interference produced for avoiding industrial environment, ensures that communication is unimpeded errorless, technical grade Ethernet switch must be selected here to build this platform.
3) signal conversion unit is built.For the communication data of switching network platform with the maincenter of execution, realize the slitless connection of network data and serial data, thus realize the full duplex network access of execution maincenter.Here select wired or wireless technical grade serial server to realize this function.
4) execution maincenter is built.For receiving and dispatching the data of converting unit, send order of action data on the one hand to corresponding execution components and parts, as motor; Accept feedback unit real time data on the other hand, and packing sends to higher level's converting unit.Here the conventional servo-driver of industry is selected.
5) feedback device and final controlling element is built.This stream oriented device is all in control system end, and final controlling element is used for receiving activity order and provides corresponding actions, and feedback device is used for the operating state of upwards first order feed-back plant equipment.Here according to different type of machines needs, dissimilar motor and transducer can be selected.
6) output unit is built.For showing test data and printing test result in real time.Here can be linked into switching Ethernet platform as required according to select data instrument and the printing device of actual conditions, also can be accessed by serial server.
7) spare interface is built.For system extension, as added other control appliance or unit.Here all this spare interface to be reserved at technical grade Ethernet platform and signal conversion unit.
Below in conjunction with embodiment the present invention done and describe further.
Example one
The present invention is applied to Dead Weigh Force Standard Machine.System building as shown in Figure 3, wherein have 59 and overlap independently servo drive control unit, each servo drive control unit accesses in the Ethernet built in a wired fashion by group of switches by serial server, upper main control computer by network interface card access network based on ethernet, thus realizes controlling functions.
(1) Ethernet card
The connection of main control computer and Ethernet mainly relies on Ethernet card.Existing network interface card technology maturation, and in this equipment, environment for use is normal, adopts main flow model, does not repeat here.
(2) switch
Ethernet switch is the machine based on Ethernet transmission data, mainly plays the function of switch, the working method of its full duplex, communicates and conflict-free to multiple port simultaneously.
In native system, switch is in the Central Position of transfer of data, simultaneously in operational environment, has a large amount of interference sources, needs switch can have certain antijamming capability and steady operation ability well.Given this, MOXAEDS308 type industrial switch is selected here.Its duplicate supply inputs, and ensures stability; Automatically report an error switch, facilitates the hardware error in check system; Metal shell ensures excellent radiating effect.
(3) serial server
We select the serial server of rack serial server NPort5610 as system of the MOXA company having more than two decades serial communication solution history, and reason is as follows:
A. can by 16 serial equipment access network based on ethernet in a station server.So use 6 serial servers can meet the whole access network based on ethernet requirement of whole 58 servo drive units here; Ensure to install one above often pair of upright of frame simultaneously, as far as possible short RS232 outlet line is provided, avoids signal attenuation and external interference as far as possible.So namely, save cost, have and can conveniently install, improve communication quality.
B., after host computer installs realCOMitty software, the serial ports of NPort can be considered as RealCom port by window operating system, so just can carry out communication and management in its simplest form.
C.NPort5610 installs LED display, convenient operation and setting.
D. parameters
Next be exactly that NPort5610 is set.First, main control computer needs PCommLite software and NPortAdministrator software are installed.The former is for carrying out the test transmitted and receive data, and the latter is mainly used in the setting of network internal NPort server.All serial server default ip address are: 192.168.127.254.Here our setting operation pattern is RealCOM.This pattern can only be arranged by the special-purpose software of MOXA, and it is a virtual serial ports on an operating system, cannot find in hardware management.Wherein, can adopt in two ways arranging of some parameters such as baud rate, virtual serial port number, IP addresses, the first is directly accessed " 192.168.127.254 "; Its two be use NPortAdministrator.Should say, the second is reliably convenient.Here 6 serial server IP can be set to 192.168.0.200 respectively; 192.168.0.201; 192.168.0.202; 192.168.0.203; 192.168.0.204; 192.168.0.205.Its baud rate is 57600kb/s, N, 8,1.Carry out the setting of COMMapping after setting, after setting, just can show virtual serial port out.
Here, different virtual serial ports correspond to different servo drive units.Only for No. 1 column, table 1 is No. 1 column virtual serial port distribution condition.
Table 1
E. debug
After setting NPort server, communication debugging be carried out.Here PCommLite software is mainly used to test.After opening this software, first the serial ports parameter that test is set, then carries out communication test by SendPattern module.ASCII option can be selected, then insert order, just can control corresponding serial ports.If there is correct reading reception area, and it is all correct to transmit and receive data, and so illustrates that this virtual serial port has driven successfully, can normally use and communication.Otherwise again debug and arrange, then testing, knowing till driving successfully.
To sum up, after arranging and testing successfully, this Ethernet control system can be applied.
Key point of the present invention:
1. the application of ethernet technology in force standard machines control system.
2. wireless network application, the wireless penetration of realizable force Standard Machine control system.
3. the application of serial server in force standard machines control system.

Claims (6)

1. a network control method for force standard machines, is characterized in that: the concrete steps of control method are:
1) build control system maincenter, for transmitting-receiving, process all control commands and data;
2) the interactive Ethernet platform of technical grade is built, for collecting in real time and transmitting all both-way communication data;
3) build signal conversion unit, for the communication data of switching network platform with the maincenter of execution, realize the slitless connection of network data and serial data;
4) execution maincenter is built, for receiving and dispatching the data of converting unit;
5) build feedback device and final controlling element, this stream oriented device is all in control system end, and final controlling element is used for receiving activity order and provides corresponding actions, and feedback device is used for the operating state of upwards first order feed-back plant equipment;
6) output unit is built, for showing test data and printing test result in real time;
7) spare interface is built, for system extension.
2. the network control method of a kind of force standard machines according to claim 1, is characterized in that: step 1) described in control system maincenter select the ordinary PC or professional industrial computer of being furnished with wired or wireless network interface card.
3. the network control method of a kind of force standard machines according to claim 1, is characterized in that: step 2) described in Ethernet platform select technical grade Ethernet switch.
4. the network control method of a kind of force standard machines according to claim 1, is characterized in that: step 3) described in signal conversion unit select wired or wireless technical grade serial server.
5. the network control method of a kind of force standard machines according to claim 1, is characterized in that: step 4) described in execution maincenter select the conventional servo-driver of industry.
6. the network control method of a kind of force standard machines according to claim 1, is characterized in that: step 4) described in output unit connect switching Ethernet platform or serial server.
CN201510581697.0A 2015-09-14 2015-09-14 Network control method of force standard machine Pending CN105187535A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
CN105187535A true CN105187535A (en) 2015-12-23

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413967A (en) * 1980-06-04 1983-11-08 Cts Corporation Apparatus for producing uniform density and weight briquettes
CN1553318A (en) * 2003-05-30 2004-12-08 汤晓辉 Universal industrial online and remote management device and method
CN2903952Y (en) * 2006-05-17 2007-05-23 吉林大学 Superimposed force standard machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413967A (en) * 1980-06-04 1983-11-08 Cts Corporation Apparatus for producing uniform density and weight briquettes
CN1553318A (en) * 2003-05-30 2004-12-08 汤晓辉 Universal industrial online and remote management device and method
CN2903952Y (en) * 2006-05-17 2007-05-23 吉林大学 Superimposed force standard machine

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
姚进辉: "力标准机控制系统的电子化改造", 《中国测试技术》 *
闫伟国、王敏杰、王敏锐: "面向串行通信机床的局域网式DNC系统研究", 《制造技术与机床》 *

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