CN103258452A - Virtuality and reality combination urban railway transit analog simulation practical training device and method - Google Patents
Virtuality and reality combination urban railway transit analog simulation practical training device and method Download PDFInfo
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- CN103258452A CN103258452A CN2012100388592A CN201210038859A CN103258452A CN 103258452 A CN103258452 A CN 103258452A CN 2012100388592 A CN2012100388592 A CN 2012100388592A CN 201210038859 A CN201210038859 A CN 201210038859A CN 103258452 A CN103258452 A CN 103258452A
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Abstract
The invention belongs to the field of urban mass transit vocational education. A virtuality and reality combination urban railway transit analog simulation practical training device is composed of five parts, namely, a control and analog simulation software part, an integrated control and collecting module part based on an embedded type and a single chip microcomputer, a network interface and connecting device part, an urban mass transit vehicle and electromechanical device experiment table part and a terminal test box part. According to the virtuality and reality combination urban railway transit analog simulation practical training device, an integrated collecting and control device is connected with an experiment table through a network interface and a connecting device to achieve both-way communication linkage of the experiment table and analog simulation software. The analog simulation software can display the mechanical structure, the working principle, fault diagnoses and fault maintenance of the experiment table to achieve analog disassembling and assembling, collect signals of the experiment table, control a switch of the experiment table to be turned on or turned off, simulate and remove faults, and simulate accidents, emergencies and a networking operation function. Meanwhile, a computer can collect changes of the state of the experiment table and automatically achieve process simulation. The terminal test boxes connected with the experiment table can be expanded to be multiple in an unattenuated mode so that a large number of people can actually measure and examine together.
Description
Affiliated technical field
The technical field of the invention is urban track traffic vocational education field.Be used for the urban track traffic specialty of universities and the practice-training teaching of metro operation company.
Background technology
Present national vocational education industry is at the early-stage to urban track traffic subject and lab construction, and relevant device is generally all bulky, and complex structure, expensive does not possess the condition that many people impart knowledge to students simultaneously of carrying out.Though the virtual reality imitation technology based on software has had application at present, but single virtual emulation real training is the operation training that carries out at virtual scene and equipment after all, have a long way to go with real equipment, can't experiences tactile and the atmosphere that has of real scene.Cultivate the sense of urgency and prudent sense that need in the actual production operation, must realize the actual situation combination at the real training equipment, both the combination of analog simulation software engineering and actual real training equipment.
Summary of the invention
The invention provides a kind of urban track traffic analog simulation actual training device and method of actual situation combination, total system is made up of five parts: PC control and analog simulation software, based on embedded and integrated control and acquisition module single-chip microcomputer, network interface (TCP/IP, RS422/485, CANBUS) and coupling arrangement, urban rail transit vehicles and platform equipment experiment table, terminal test case; The technical scheme of its technical solution problem is: main control computer is by communication interface (RS422/485, TCP/IP, USB) be connected to integrated control and acquisition module, integrated control and acquisition module are connected to the experiment table spare interface by standard connector interface, realize being connected with the physical communication of experiment table, this standard interface can connect a plurality of student experimenting terminals simultaneously, realizes the synchronous detection of electric signal.
The present invention two-way communication and the interlock of experiment table and computer simulation emulation software.According to the experiment table that current needs use, computer simulation emulation software can be written into the analog simulation equipment of different real training equipments, shows the physical construction of experiment table, realizes three-dimensional simulation dismounting, principle of work, fault diagnosis and maintenance function under the simulated environment; Simultaneously, when urban rail transit vehicles and platform equipment experiment table execution experiment, computing machine also can collect the experiment table state variation, software calls its simulation process automatically, follow the experiment table state, show a series of simulation processes such as the action of internal mechanical structure, change in electric, principle of work of simulation process synchronously.Computing machine can be controlled experiment table by the host computer analog simulation and realize the switch start and stop; fault simulation and removing; fault type is set to be comprised: overload, electric current excessive, device failure, short circuit, open circuit; signal disturbs; electric current is excessive, brownout, faults such as system protection isolation; but simulated accident and accident simultaneously, networking operation function.This device software can be gathered electric signal states such as experiment table voltage, electric current, waveform by physical connection and A/D conversion real time high-speed, is presented on the computer screen, and projectable uses for teaching.Integrated control and acquisition module adopt bus structure, but the equal modularization of all faults, according to different demands, but dynamic-configuration.
Connected mode such as accompanying drawing
The present invention compared with prior art have significant advantage and beneficial effect as follows:
(1) theory teaching and practical operation teaching combination, classroom instruction combines with the synchronous operation of field experiment platform, fault simulation combines with in kind the detection, when using software to realize the analog simulation teaching on computers, but each urban rail transit vehicles and platform equipment experiment table synchronous working, use student sense terminals can detect the real-time electric signal on all experiment tablees, and is presented on the computer screen in the form of analogue instrument, realizes the teaching that many people are simultaneously online.
(2) a plurality of urban rail transit vehicles experiment tablees, special electromechanical equipment experiment table by network (TCP/IP, RS422/485, CANBUS) interface with is connected with the slave computer control system of single-chip microcomputer based on embedded, the composition network is united the real training hardware system.Computer simulation emulation software is connected with all experiment tablees by network insertion, can be interactive by all experimental systems of software control and networking.
(3) truly reduce scene and urban track traffic real training equipment on computers based on the analog simulation software of VR, realize three-dimensional machinery structure displaying and dismounting, principle of work, fault diagnosis and maintenance, keep in repair functions such as examination according to 1: 1 ratio with material object.But both realization theory teaching of software and hardware associating also can realize on-the-spot teaching in kind, and software shows that the hard fault that arranges at experiment table by software is true fault, supports many people to detect simultaneously by the student test terminal with on-the-spot in kind in full accord.
(4) analog simulation software can use separately, also can be connected with a plurality of experiment tablees by network, the control experiment table is realized switch start and stop, fault simulation and removing (overload, electric current are excessive, device failure, short circuit, open circuit), accident and accident, functions such as networking operation.
(5) can gather all voltages and waveform signal on the experiment table by real time high-speed, be presented on the computer screen, and and software communication, realize the instant interlock on experiment table and the simulation softward.
(6) can be the different experiments platform by teacher's server computer and distribute different faults, under the examination pattern, the student uses sense terminals and software kit, detects simultaneously and examines the Integrated Teaching of realization theory, practical operation, examination process.This device can be used for technical ability evaluation and technical ability examination match.
Description of drawings
(1) main control computer
(2) integral collecting and control device
(3) urban rail transit vehicles and dynamo-electric experiment table
(4) terminal test case
(5) analog simulation software
(6) signal acquisition module
(7) fault simulation and control module
(8) network interface (RS422/485, TCP/IP, CANBUS)
(9) standard DB joint
(10) data connecting line
(11) cable link
Embodiment:
The design of native system is to have the electronic circuit knowledge of specialty, on top of urban track traffic installation feature and wiring rule are that prerequisite is set out, the connection of device as shown in drawings, main control computer (1) is installed communication module (8) and based on the analog simulation software (5) of VR, by data telecommunication line (10) main control computer (1) is connected to integral collecting and control device (2), set up the physical communication link of host computer and next bit computer, upper layer communication is provided by main control computer software.Main control computer (1) is the relation of multi-to-multi with integral collecting and control device (2), communicates by letter with control device (2) as long as the main control computer (1) that has data link to insert all can connect the body collection interior with controlling net.Integral collecting and control device (2) comprise signal acquisition module (6) and fault simulation and (7) two parts of control module, carry out respectively and experiment table is carried out data acquisition and control experiment table realize switch start and stop, fault simulation and removing (overload, electric current are excessive, device failure, short circuit, open circuit), accident and accident, networking operation function.Integral collecting is connected by cable link (11) with dynamo-electric experiment table (3) with urban rail transit vehicles by standard DB joint (10) other end with control device (2), directly controls experiment table.Simultaneously, the expansion interface of experiment table connects sense terminals (4) by standard DB joint (10), a urban rail transit vehicles can be connected a plurality of sense terminals (4) with dynamo-electric experiment table (3), each terminal test case inside has signal to amplify and relay, can realize a plurality of terminal test case signals undamped (error is no more than 0.05V).
Claims (10)
1. the present invention relates to a kind of urban track traffic integrated network actual training device and method of actual situation combination, total system is made up of five parts: PC control and analog simulation software, based on embedded and integrated control and acquisition module single-chip microcomputer, communication interface, affiliated communication interface comprises: TCP/IP, RS422/485, CANBUS and coupling arrangement, urban rail transit vehicles and electromechanical equipment experiment table, the terminal test case; The technical scheme of its technical solution problem is: main control computer is connected to integrated control and acquisition module by communication interface, integrated control and acquisition module are connected to the experiment table spare interface by standard connector interface, realize being connected with the physical communication of experiment table, this standard interface can connect a plurality of student experimenting terminals simultaneously, realizes the synchronous detection of electric signal.
2. according to claim 1, urban track traffic integrated network actual training device and the method for actual situation combination is characterized in that: analog simulation software can also can be gathered electrical signal data from experiment table in real time by integrated control and acquisition module control experiment table.
3. according to claim 1, urban track traffic integrated network actual training device and the method for actual situation combination is characterized in that: integrated control and acquisition module adopt the connect-disconnect structure of bus type, slot adopts universal standard joint, can realize up to a hundred single faults by a plurality of module parallel waies.
4. according to claim 1; urban track traffic integrated network actual training device and the method for actual situation combination is characterized in that: fault type is set comprises: overload, electric current excessive, device failure, short circuit, open circuit; signal disturbs; electric current is excessive; brownout; faults such as system protection isolation, but simulated accident and accident simultaneously, networking operation function.
5. according to claim 1, urban track traffic integrated network actual training device and the method for actual situation combination is characterized in that: can control a plurality of experiment tablees simultaneously by network or many computing machines of data telecommunication line.
6. according to claim 1, urban track traffic integrated network actual training device and the method for actual situation combination is characterized in that: host computer analog simulation software adopts the virtual reality technology exploitation, structure, principle, detection and maintenance process, the disassembly process of present use experiment table are showed and impart knowledge to students with three dimensional form, and can realize two-way communication and interlock with experiment table, namely can image data and the experiment table state also can send steering order.
7. according to claim 1, urban track traffic integrated network actual training device and the method for actual situation combination is characterized in that: the terminal test case adopts porous print plate and standard DB interface and electric signal relaying and multiplying arrangement, the youngster of electrical signal detection is undamped, and the evanescent voltage error is less than ending negative 0.05v.
8. according to claim 1, urban track traffic integrated network actual training device and the method for actual situation combination is characterized in that: virtual reality software emulation process and real equipment state synchronization, but on the present experiment table of software emulation fault sync-body, and can record actual signal by the terminal test case.
9. according to claim 1, urban track traffic integrated network actual training device and the method for actual situation combination is characterized in that: terminal test case test panel adopts the porous print circuit board, the different experiments platform just can directly be measured as long as change corresponding panel, need not change coupling arrangement.
10. according to claim 1, urban track traffic integrated network actual training device and the method for actual situation combination is characterized in that: this device can be realized Long-distance Control, the start and stop of control experiment table switch by network.
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CN106781801A (en) * | 2016-12-30 | 2017-05-31 | 天津市维科车辆技术有限公司 | A kind of rail traffic vehicles overhaul simulation training system |
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CN109243236A (en) * | 2018-10-19 | 2019-01-18 | 中铁第四勘察设计院集团有限公司 | A kind of bogie maintenance training system and its Training Methodology based on analog simulation |
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