CN101984376B - Fault simulation device of numerical control machine - Google Patents
Fault simulation device of numerical control machine Download PDFInfo
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- CN101984376B CN101984376B CN 201010550163 CN201010550163A CN101984376B CN 101984376 B CN101984376 B CN 101984376B CN 201010550163 CN201010550163 CN 201010550163 CN 201010550163 A CN201010550163 A CN 201010550163A CN 101984376 B CN101984376 B CN 101984376B
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Abstract
The invention relates to a fault simulation device of a numerical control machine. In the fault simulation device, a field bus and the numerical control device are connected and the fault simulation device is internally provided with an upper computer and a lower computer. The lower computer is an industrial personal computer (PLC) with a Linux real-time operating system, and is mainly in charge of operating the PLC logical model of the numerical control machine and exchanging data with the numerical control device through the field bus; and the upper computer is a personal computer (PC) with a WINDOWS operating system, is connected with the lower computer by the Ethernet and is mainly used for solving man-machine interaction operations such as numerical control machine parameter setting, fault setting, fault alarm and the like. The fault simulation device disclosed by the invention is mainly used for solving test conditions of the failure detection function and capacity of top grade numerical control devices and simulating numerical control machine faults, programmable logic controller faults, servo driver and servo motor faults, and main shaft driver and main shaft motor faults. The fault simulation device of the numerical control machine can be used for detecting capacities of the numerical control device such as response, protection and auto recovery on the faults of the numerical control machine.
Description
Technical field
The invention belongs to the numerical control device testing apparatus, be specifically related to a kind of fault of numerical control machine tool analogue means.
Background technology
In the links such as testing and training of numerical control device, numerical control device need and be controlled electric cabinet and use with lathe, and this mode not only cost is high, and very inconvenient.This fault simulation device mainly solves the fault detection capability and the ability of high-grade numerical control device, can simulate fault of numerical control machine tool, Programmable Logic Controller fault, servo-driver and servomotor fault, spindle driver and spindle motor fault.Utilize the fault of this device simulation numerically-controlled machine can be used for detecting numerical control device to the response of fault of numerical control machine tool, protection, ability such as reparation automatically.
The manufacturer of some numerical control devices is according to self product characteristic at present, and the fault simulation device of exploitation has very strong specificity.Because the configuration of the different model numerically-controlled machine that different manufacturers is produced is all inequality, its fault that need simulate is also different, so these special-purpose fault simulation devices can not be simulated the various faults of various lathes easily.Do not have the comprehensive of versatility and fault simulation.
Summary of the invention
The invention provides a kind of fault of numerical control machine tool analogue means; This device adopts fieldbus to link to each other with numerical control device; The inner upper and lower computer structure that adopts; Slave computer mainly is responsible for the PLC logical model of operation numerically-controlled machine for adopting the industrial computer of Linux real time operating system, and carries out exchanges data through fieldbus and numerical control device; Host computer then adopts the PC of operation WINDOWS operating system, links to each other with slave computer through general Ethernet, mainly solves man-machine interaction work such as the setting of numerically-controlled machine parameter, fault setting, fault alarm.
This fault simulation device mainly by numerically-controlled machine module is set, fault is provided with module, logical operation module, servo computing module, he lathe operation display module, communication module is formed.
Lathe is provided with module, is used for the user different machine tool type (like lathe, milling machine, machining center etc.) is set, and selects the corresponding number of axle and structure, imports corresponding fault database according to machine tool type; Show corresponding lathe IO state, dispose corresponding lathe PLC logical model and servo drive system model; At last all settings are saved as a specific lathe model.The man-machine interface that lathe is arranged on the PC is carried out, and the lathe model sends slave computer to through network.
Fault is provided with module, is used for the fault that the user is provided with the needs simulation, as importing phase shortage, brownout etc. in the electric loop.All selection is provided with fault after the user is provided with machine tool type, is written into the fault database file automatically, and the user sets fault and preserves with fault data, and send slave computer to through network after the selected fault that is provided with.
Logical operation module; According to lathe the set different lathe models of module are set; Logical operation module is accepted the I/O information that numerical control device sends, and with these information as input, according to the PLC logical relation of numerically-controlled machine; Calculate the I/O information that feeds back to numerical control device, the postrun state of simulated machine tool control circuit.
Servo computing module, the lathe servo-drive and the transmission link of consideration perfect condition call the module library of modeling and simulating instrument three ring (position ring, speed ring, electric current loop) PID controls and the lathe gear train of servo-drive system are set up the transport function realistic model.The ideal model that passes through to be built is realized the dynamic simulation of servo drive system and lathe gear train, and through bus the data that servo module three encircles is fed back to numerical control device.
Lathe running status display module is used to simulate the state of display machines bed operating, like positional information, and tool-information, switch board I/O dot information, failure message.Wherein positional information shows with position data, and tool-information shows cutter number and subsidiary function, and control circuit I/O dot information shows that with Dynamic Button failure message can show fault picture and Word message.
Communication module, communication module comprise that slave computer is connected and data communication the TCP/IP server end between slave computer and the host computer, the TCP/IP client of host computer with bus between the numerical control device.
What the fault simulation device was identical with actual lathe is; This system has the physical interface that can receive the numerical control device instruction and feed back the numerical control device desired data; This data exchange interface can be a node of digital control system on-the-spot bus, also can be signals collecting interface open in the whole digital control system control loop.Different with actual lathe is, this system is the realistic model of the data and the logic of an actual lathe, according to machine tool type through bug list being set and machine tool type and I/O point, the various faults of coming simulated machine tool being set.
Description of drawings
Fig. 1 is a functional module graph of a relation of the present invention;
Fig. 2 is a hardware configuration graph of a relation of the present invention;
Fig. 3 is a software configuration graph of a relation of the present invention;
Fig. 4 is embodiment figure of the present invention;
Fig. 5 is fault simulation running software of the present invention interface;
Fig. 6 is a lathe modeling software runnable interface of the present invention.
Embodiment
Structural relation synoptic diagram between each functional module of inside of a kind of fault of numerical control machine tool analogue means that designs for the present invention shown in Figure 1.Comprise that lathe is provided with module, fault is provided with module, logical operation module, servo computing module, lathe operation display module, communication module.
The task division of each intermodule is following:
Lathe is provided with module, is used for the user different machine tool type (like lathe, milling machine, machining center etc.) is set, and selects the corresponding number of axle and structure, imports corresponding fault database according to machine tool type; Show corresponding lathe IO state, dispose corresponding lathe PLC logical model and servo drive system model; At last all settings are saved as a specific lathe model.The man-machine interface that lathe is arranged on the PC is carried out.
, the user selects corresponding lathe setting in being provided with; In fault setting option being set in the hurdle changes accordingly; As lathe all have electric loop, axis system, feed system, cooling system, guard system etc., then also have tool magazine and tool changing device etc. for machining center.
In the user is provided with, select corresponding lathe setting, conversion is shown the state that different systems and I/O are ordered at lathe running status display panel.
In case lathe set to be accomplished, will form the model of a specific lathe at last, comprise lathe type, structure, logical model, fault, show state can be set.The lathe model sends slave computer to through network.
Fault is provided with module, is used for the fault that the user is provided with the needs simulation, as importing phase shortage, brownout etc. in the electric loop.All selection is provided with fault after the user is provided with machine tool type, is written into the fault database file automatically, and fault database comprises can be provided with fault, phenomenon of the failure and fault possible cause.The user sets fault and preserves with fault data, and send slave computer to through network after the selected fault that is provided with.
After fault is provided with, will triggers refreshing of status panel according to the I/O state of slave computer computing at lathe running status display panel, and can show the simulation picture of fault.
The hardware configuration graph of a relation of a kind of fault of numerical control machine tool analogue means that designs for the present invention shown in Figure 2.The fault simulation device is made up of host computer and slave computer.Host computer adopts PC and general Ethernet, operation Windows operating system.Slave computer adopts the industrial computer with general Ethernet, links to each other the operation (SuSE) Linux OS with fieldbus slave station card through parallel bus.Slave computer docks with numerical control device through fieldbus main website card, and is interconnected through Ethernet and host computer.
The software configuration graph of a relation of a kind of fault of numerical control machine tool analogue means that designs for the present invention shown in Figure 3.Host computer is written into and work such as test result output with demonstration, configuration, the model of operation man-machine interface.Therefore host computer moves 2 process modules, FaultSim, Plcad.
FaultSim fault simulation module is used for the test of numerical control device in the fault function aspects, and this module is responsible for that the lathe logical model is written into, the demonstration of the setting of fault project and test result, and is as shown in Figure 4.The Plcad module mainly is used for the logical model of lathe is carried out modeling, and modeling can be adopted ladder diagram and C language, and is as shown in Figure 5.
Slave computer carries out the collection, computing of data, feedback and communicating by letter with host computer in real time.Main operation logic simulation process RunPLC of slave computer and communication module process.Logic simulation process RunPLC moves the logical model * .plg that Plcad generates above that, and the corresponding different logical model of different lathes can be created corresponding lathe logical model according to the Machine Tools Electric schematic diagram of test.The logic simulation process is according to the I/O data of bus input, through the feedback data of lathe PLC logical model computing I/O.Its part feedback sends it back numerical control device through bus, and another part sends to host computer and shows.
The communication module process comprises two parts, and a part is from fieldbus slave station card buffer reading of data and inserts feedback data that this part real-time is higher; Another part is for sending data and accept configuration and steering order to host computer through Socket (ICP/IP protocol), and this part real-time requires lower, is mainly used in demonstration, emulation, mutual with the operator.
It should be noted last that; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the spirit and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. fault of numerical control machine tool analogue means; This analogue means adopts fieldbus to link to each other with numerical control device; The inner upper and lower computer structure that adopts, slave computer is for adopting the industrial computer of Linux real time operating system, and main being responsible for carried out bus data exchange and operation logic model with numerical control device; Host computer links to each other with slave computer through ethernet network for adopting the PC of WINDOWS operating system, mainly solves the work of lathe parameter setting, fault setting, fault alarm man-machine interaction;
This fault of numerical control machine tool analogue means mainly by lathe module is set, fault is provided with module, logical operation module, servo computing module, he lathe operation display module, communication module is formed;
Described lathe is provided with module, according to selected simulated machine tool type, each parameter of this simulated machine tool is carried out corresponding setting; Through setting to the disparate modules parameter, make described fault of numerical control machine tool analogue means can simulate numerically controlled lathe, CNC milling machine, machining center, can satisfy the simulation of the numerically-controlled machine that different vendor is produced, strengthened the versatility of this analogue means;
Described fault is provided with module, according to selected simulated machine tool type, the various faults of this simulated machine tool is carried out corresponding setting; Through the different fault setting of selection in the module is set in fault; Make the fault that electric power loop phase shortage, scrambler loose contact, servo forceful electric power that described fault of numerical control machine tool analogue means can simulated machine tool break off; Can satisfy the demand that the user simulates various different faults, strengthen the versatility of this analogue means.
2. fault of numerical control machine tool analogue means according to claim 1, its characteristic comprises: this fault of numerical control machine tool analogue means receives the instruction and data that numerical control device sends through digital control system on-the-spot bus slave station card; After the data process fault of numerical control machine tool analogue means analyzing and processing that obtains, give the numerical control device feedback data on the one hand, mail on the one hand and carries out man-machine interaction in the host computer; Simulation softward is provided with module and fault according to lathe and the Model Calculation that module confirms is set feedback data; The inner logical operation module of this fault of numerical control machine tool analogue means is used for Simulation with I O response, servo computing module and is used for that analog servomechanism drives and the processing characteristics of lathe.
3. fault of numerical control machine tool analogue means according to claim 1 is characterized in that described logical operation module, and logical operation module can come computing to obtain the IO feedback result according to the different logical model; Logical model can adopt ladder diagram or C language to realize.
4. fault of numerical control machine tool analogue means according to claim 1; It is characterized in that described servo computing module; Consider the lathe servo-drive and the transmission link of perfect condition, call the module library of modeling and simulating instrument position ring, speed ring, electric current loop PID control and the lathe gear train of servo-drive system are set up the transport function realistic model; The ideal model that passes through to be built is realized the dynamic simulation of servo drive system and lathe gear train, and returns numerical control device through the data of bus feedback position ring, speed ring, electric current loop.
5. fault of numerical control machine tool analogue means according to claim 1 is characterized in that described lathe operation display module, is used to simulate the positional information of display machines bed operating state, tool-information, switch board IO dot information, failure message; Wherein positional information shows with position data, and tool-information shows cutter number and subsidiary function, and switch board IO dot information shows that with Dynamic Button failure message can show fault picture and Word message.
6. fault of numerical control machine tool analogue means according to claim 1; It is characterized in that described communication module; Communication module comprises that slave computer follows the bus slave station module between numerical control device, and slave computer is with the TCP/IP server end between the host computer, the TCP/IP client of host computer.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102566503B (en) * | 2012-01-17 | 2014-05-07 | 江苏高精机电装备有限公司 | Remote monitoring and fault diagnosis system for numerical control machine tool |
| CN103105819B (en) * | 2012-12-31 | 2019-10-11 | 深圳市配天智造装备股份有限公司 | Digital control system, the control method of digital control system |
| CN104281100A (en) * | 2013-07-02 | 2015-01-14 | 北京耐威徐激光技术开发有限责任公司 | Integrated numerical control system for numerical control equipment |
| CN105022287A (en) * | 2015-07-17 | 2015-11-04 | 三峡大学 | Modeling method of full-digital in-place control panel cabinet |
| CN107102630B (en) * | 2016-02-19 | 2019-12-31 | 同济大学 | Controller card fault detection system for magnetic-levitation train |
| US10802451B2 (en) * | 2016-04-27 | 2020-10-13 | Hypertherm, Inc. | Systems and methods for wireless communications between components of a material processing system |
| CN106875820A (en) * | 2017-04-21 | 2017-06-20 | 江苏凤凰知慧教育科技有限公司 | A kind of digital control comprehensive practical exercising system |
| EP3674822B1 (en) * | 2017-09-30 | 2022-10-26 | Siemens Aktiengesellschaft | Method and apparatus for generating fault diagnosis information base of numerical control machine tool |
| CN109814532A (en) * | 2019-01-30 | 2019-05-28 | 重庆华中数控技术有限公司 | A kind of machine tool control system IO experimental rig |
| CN112000064A (en) * | 2020-09-10 | 2020-11-27 | 成都广泰威达数控技术股份有限公司 | Fault simulation recording method in machining process |
| CN112631249A (en) * | 2020-12-15 | 2021-04-09 | 杭州和利时自动化有限公司 | Fault simulation method, device, equipment and computer readable storage medium |
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| CN2916813Y (en) * | 2006-06-05 | 2007-06-27 | 杭州浙大辰光科技有限公司 | Integrated experiment table for numerical control system |
| CN101315734A (en) * | 2008-07-21 | 2008-12-03 | 南京日上自动化设备有限责任公司 | Intelligent entity troubleshooting numerical control maintenance machine tool for teaching |
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