CN102324196A - Simulation training and evaluation semi-physical simulation system of aviation hydraulic oil pump vehicle - Google Patents
Simulation training and evaluation semi-physical simulation system of aviation hydraulic oil pump vehicle Download PDFInfo
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Abstract
The invention discloses a simulation training and evaluation semi-physical simulation system of an aviation hydraulic oil pump vehicle and relates to a semi-physical simulation system of a hydraulic oil pump vehicle. The simulation training and evaluation semi-physical simulation system comprises a simulation operating panel (1) which is obtained by reforming a real operating panel, a lower computer system (2) which realizes signal acquisition and driving execution, an upper computer system (3) which realizes a virtual reality technology and adopts a touch screen industrial personal computer as a main body, a synchronous projection system (4), a power conversion system (5) which operates indoors and outdoors, and shape and mechanical architectures of the simulation training and evaluation semi-physical simulation system of the aviation hydraulic oil pump vehicle. By adoption of the simulation training and evaluation semi-physical simulation system of the aviation hydraulic oil pump vehicle, training can be performed anytime and anywhere under the conditions of approximability to real vehicle, real environment and working procedure without influence of weather, time, environment and equipment, so a trainee can truly acquire required ability. The simulation training and evaluation semi-physical simulation system of the aviation hydraulic oil pump vehicle has the advantages that: the problems of real installation, few trainees and high training cost are effectively solved; and a good platform is provided for the maintenance of the equipment and teaching.
Description
Technical field
The present invention relates to a kind of hydraulic air hydrant cart semi-physical system, say so more specifically simulated training of a kind of hydraulic air hydrant cart and examination semi-physical system.
Background technology
The hydraulic air hydrant cart is the ground safeguard hydraulically operated equipment (HOE) that supplies aircraft maintenance, detection.The simulated training of hydraulic air hydrant cart is a kind of distinctive emulation mode of training on operation of hydraulic air hydrant cart and examination with the examination semi-physical system; It passes through the transformation to the true operation panel of hydraulic air hydrant cart; In conjunction with single-chip microcomputer signals collecting and control technology, real time computer control technology and virtual reality technology, build a training environment and an evaluating platform with very strong sense of reality.The operation feeling of panel is in full accord with true hydraulic air hydrant cart with demonstration; But single-chip microcomputer signals collecting and control technology, real time computer control technology and virtual reality technology synchronous recording, demonstration (containing projection), printing trainer's operation steps and operating process, checking system can provide objective foundation for the training of judgement effect.
At present, training and the examination to the hydraulic air hydrant cart mainly contains dual mode: practical training and model training.Its shortcoming is: 1. must dock with aircraft and could accomplish whole training process, hydrant cart uses incorrect meeting that aircraft is caused a devastating effect.And aircraft in use is not all need use hydrant cart at every turn, but causes training opportunity few; 2. training expenses is big; 3. people's influence factor is bigger in the examination, is easy to generate erroneous judgement; 4. model training makes the trainer be short in understanding to true environment owing to only accomplish on computers; 5. can not play the function served as bridge between hydrant cart user and the designer and manufacturer; The user can't know from experience the rationality and the operability that manufacture and design stage experience design of Hydraulic System and dynamic transfer system design or the like at hydrant cart; Thereby, can't offer help to the improvement of hydrant cart objectively causing the disconnection that manufactures and designs with use.
Summary of the invention
1, invents the technical matters that will solve
Dual mode practical training and the existing shortcoming of model training to the training of hydraulic air hydrant cart; The present invention provides simulated training of hydraulic air hydrant cart and examination semi-physical system; The mode that combines through software systems and hardware interface realizes the application of virtual reality technology in the simulated training checking system, and the function of the simulated training and the examination of hydraulic air hydrant cart is provided.
2, technical scheme
The objective of the invention is to realize like this:
Simulated training of hydraulic air hydrant cart and examination semi-physical system, the profile and the mechanical framework of semi-physical system examined in power conversion system (5) and the simulated training of hydraulic air hydrant cart that it comprises the simulation operations panel (1) that formed by the transformation of true operation panel, realize the lower computer system (2) of signals collecting and driving execution, realize the master system (3), synchronized projection system (4), in-house operation and the field operation that are the main body with the touch-screen industrial computer of virtual reality technology.
Wherein last all indicating instruments of simulation operations panel (1) must be the reometers of little range (1mA), and are original in the fluid-operated oil pressure gauge of aero oil for the true operation panel, are transformed into the reometer by current drives through changing watch core; Original temperature of true operation panel and the gauge outfit of flowmeter own are exactly the reometer of range 1mA, can reach requirement through the transformation of removing its signal conversion circuit reservation gauge outfit; The original working time indicating gauge (demonstration of 6 bit digital) that is driven by rotary engine of true operation panel substitutes through designing 6 figure place code timing modules.
Simulation operations panel (1) keeps action button, knob and the toggle switch of original true panel, for flow and throttle adjustment knob, transforms through the mode that embeds turn knob potentiometer; Original true panel working station indicator itself is direct current 12v and drives, so need not to transform.
The lower computer system (2) of above-mentioned realization signals collecting and driving execution comprises switching signal input (DI) acquisition module (6), simulating signal input (AI) acquisition module (7), switching value output (DO) driver module (8), analog quantity output (AO) driver module (9), single chip control module (10) and slave computer serial communication module (11).
The master system (3) and the synchronized projection system (4) that are the main body with the touch-screen industrial computer of above-mentioned realization virtual reality technology, it comprises that hydrant cart simulated training examination software module (12), virtual interface (13) reach the RS232 serial communication protocol corresponding to the standard of slave computer with synchronized projection.
The present invention divides indoor and open-air two kinds of mode of operations, it is characterized in that its field exercise adopts storage battery power supply, indoor training can directly connect two kinds of powering modes of 220v alternating current work.The power conversion system of in-house operation and field operation (5) comprises UPS uninterrupted power source (14), power supply mode selection module (15) and charge in batteries control module (16).
For making the reliability of system operation science and the long-time running of the system of assurance, native system has designed keeper's login module (17), makes the system manager that obtains the authorization can login system, retrieves for examination the operation note in early stage, or system is safeguarded.
For making the reliability of system operation science and the long-time running of the system of assurance, native system also comprises keeper's login module (17), makes the system manager that obtains the authorization can login system, retrieves for examination the operation note in early stage, or system is safeguarded.
The simulated training of hydraulic air hydrant cart, at first the hydrant cart training mission is assigned by system; The trainer carries out interactive training according to the requirement of training mission through I/O interface and VR system then; Write down training information at last and the correct operation of demonstrating out.The I/O interface comprises input equipment and output device.Input equipment comprises guidance panel switch, knob and computer entry device.Output device comprises guidance panel instrument, pilot lamp and graphoscope.
3, beneficial effect
The invention provides simulated training of hydraulic air hydrant cart and examination semi-physical system; The mode that combines through software systems and hardware interface realizes the application of virtual reality technology in the simulated training checking system; The function of the simulated training and the examination of hydraulic air hydrant cart is provided; Under approximate real vehicle, actual environment and working routine, do not receive the influence of weather, time, environment and equipment, train whenever and wherever possible, make the trainee obtain required ability truly.The present invention not only effectively solves real dress and trains the problem that number is few, training expenses is high simultaneously, and is that maintenance, maintenance and the teaching of equipping provides good platform.
The present invention adopts the true operation panel of the hydraulic air hydrant cart of present extensive application; It is transformed; Design corresponding simulated operation and examination training exercise, make it under the situation that breaks away from true car, the practical operation of ability simulated oil pump truck during training; The working condition of hydrant cart panel in the time of simulating actual motion, can on the true operation panel with the pseudo operation panel of graphoscope on display operation person's practical operation step synchronously; Can detect also each step operation of recording operation person; And storage and isochronous printing output function person's practical operation step and proper operation step; Give the operator as self comparative analysis data; Make the operator can realize the actual equipment of independent proper operation within a short period of time, and when examination, can be used as the concrete foundation of expert operator's scoring; The simulated training of hydraulic air hydrant cart is adopted two kinds of powering mode work with the examination semi-physical system.
Description of drawings:
Fig. 1 is a system architecture synoptic diagram of the present invention;
Fig. 2 is simulated training software interface figure of the present invention;
Fig. 3 is system master's surface chart of the present invention;
Fig. 4 is systematic training of the present invention, examination model selection surface chart;
Fig. 5 is a systematic training software flow pattern of the present invention.
Specific embodiments:
Below in conjunction with accompanying drawing and instantiation the present invention is done detailed elaboration.
Simulated training of hydraulic air hydrant cart and examination semi-physical system; Its structure is as shown in Figure 1, it comprise the 1:1 that forms by the transformation of true operation panel simulation operations panel 1, realize signals collecting and driving execution lower computer system 2, realize power conversion system 5 and the profile and the mechanical framework of hydraulic air hydrant cart simulated training examination semi-physical system of the master system 3, synchronized projection system 4, in-house operation and the field operation that are the main body with the touch-screen industrial computer of virtual reality technology.Simulation operations panel 1 all operations signal input part is connected with simulating signal input (AI) acquisition module 7 with switching signal input (DI) acquisition module 6 of lower computer system 2, and is connected with the industrial computer 12 of master system 3 with slave computer serial communication module 11 through single chip control module 10; The output signal that hydrant cart simulated training examination software module 13 provides is connected with single chip control module 10 through serial communication module 11, is connected to simulation operations panel 1 through switching value output (DO) driver module 8 and analog quantity output (AO) driver module 9 again; Synchronized projection system 4 is connected with industrial computer 12; UPS uninterrupted power source 14 selects module 15 to be connected with lower computer system 2, master system 3 and synchronized projection system 4 with charge in batteries control module 16 through power supply mode.
Principle of work: the Single-chip Controlling mould 10 of lower computer system 2 is gathered the operation information of trainer to simulation operations panel 1 through switching signal input (DI) acquisition module 6 and simulating signal input (AI) acquisition module 7; Slave computer serial communication module 11 is given this information uploading the industrial computer 12 of master system 3; After industrial computer 12 is received information; Its hydrant cart simulated training examination software module 13 provides corresponding drive signal; Assign to single chip control module 10 through slave computer serial communication module 11, drive the controls such as corresponding virtual switch, instrument and pilot lamp of virtual interface 14 simultaneously, and synchronous demonstration is made by synchronized projection system 4 etc.; Single chip control module 10 is accepted hydrant cart simulated training examination software module 13 and is provided corresponding drive signal; Through the true instrument and the pilot lamp of switching value output DO driver module 8 and analog quantity output (AO) driver module 9 driving simulation operations panels 1, realize demonstration directly perceived to simulated training of hydraulic air hydrant cart and examination.This training is divided into two types with checking system to the operation that hydrant cart uses: first kind is the operation to guidance panel; Second kind is the operation of non-guidance panel, promptly to the operation of virtual interface as guidance panel, still can carry out basic training and examine model emulation under system's panel and the slave computer failure condition guaranteeing.
In a single day system powers on, and lower computer system promptly starts, and controls all output quantities and be disarmed state (all simulations are output as zero, and all switches are output as height), and uploads frame data statement and be ready to, and gets into waiting status then; In system's use; Slave computer is gathered operation signal and is judged whether signal changes; If change then give master system with data upload through serial communication; Master system carries out data processing, through serial communication data and control command is downloaded to lower computer system again, outputs to display panel at last.Lower computer system receives the order that host computer transmits, and carries out according to agreement, and its work receives PC control fully, and master system can let lower computer system get into power-down state through sending order, and whole control process is closed-loop control.
Each functions of components in this embodiment:
Simulation operations panel 1: be that transformation by the true operation panel of hydraulic air hydrant cart forms, as shown in Figure 2, mainly comprise 13 toggle switches such as power supply, illumination, output pressure of hydraulic air hydrant cart two sub-systems; 2 aux. pressures and 1 system suddenly stop being with locking press button and 2 no locking press buttons of bubbles observation; 2 output pressure adjusting knobs and 1 engine start and Throttle Opening Control turn screw rod; Two system's output pressure instrument, 4 aux. pressure instrument, 2 system temperature instrument, 2 fluid flow instrument, 1 engine speed indicator and 4 hydraulic air hydrant cart running status Displaying Meters; 1 engine-driven time book appearance of the rotary hydraulic air hydrant cart of mechanical digital; Also comprise 20 pilot lamp (power supply is logical and anxious to stop being controlled to be red light, and other is green light and amber light) corresponding to all switch motions, 17 pilot lamp (red light) of display system different faults.Guidance panel is the main body of training and examination personnel operation and demonstration, adopts the true operation panel of the YYBC-2 type hydraulic air hydrant cart of air force of Chinese personal name PLA Nanjing four station equipment repair factories productions.System adopts the simulation operations panel of 1:1, makes the trainee that the sense of reality of hands-on environment arranged.
Lower computer system 2: the collection of complete operation signal, upload and drive panel meter and pilot lamp according to host computer instruction.Single chip control module 10 adopts STC 12C5A60AD range of models single-chip microcomputer; 51 series monolithics commonly used of comparing; Because of STC series monolithic itself integrated 8 A/D and D/A module, the peripheral cell that only needs to add regulation promptly can easy completion simulating signal input (AI) acquisition module 7, the structure of switching value output (DO) driver module 8, analog quantity output (AO) driver module 9; Lower computer system 2 also comprises the DC/DC circuit, and converting the 12V direct supply into the 12V direct supply is the single-chip microcomputer power supply; Drive all analog current tables that the triode row are used to drive simulation operations panel 1 with output.
Master system 3: in operating process, master system 3 is accepted slave computer and is uploaded signal, drives virtual panel and synchronized projection system the trainer; Behind EO, drive embedded printer 15 and print all operation stepss of trainee and correct operation steps.Industrial computer 12 is selected common configuration for use, runs on windows XP and crosses windows 7 operating systems, and display is 15 inch industry liquid crystal touch screen, 5 line systems, model V150IT.
Hydrant cart simulated training examination software module 13: the slave computer of accepting is uploaded signal carry out CRC check, write down trainee's operation steps one by one, write database; The difference of contrast practical operation step and proper operation step is also exported the result.This software module is based on Visual Studio 2008 platforms, adopts C# language to develop.
Virtual interface 14: show the change of each control of virtual panel synchronously at industrial liquid crystal touch screen, and accept touch operation.This interface is based on Visual Studio 2008 platforms, adopts C# language to combine control to develop.
Printer 15: finish back printing practical operation step in operation and examination, and the proper operation step is printed in contrast.The present invention selects the embedded printer of SPRT series for use.
Synchronized projection system: 4: show trainer's the practical operation step and the change of each control of virtual panel synchronously in the giant-screen mode with projection.The present invention selects Sony projector, model VPL-EX120 for use.
UPS uninterrupted power source 16: be system's power supply, and when training in the open air and examining, select under module 17 controls 220V AC power through this power supply standard configuration accumulator direct current 36v inversion to be provided in power supply mode.The present invention selects for use Ai Mo to give birth to 600w UPS uninterrupted power source, and the accumulator standard configuration is 1200Ah.
Power supply mode is selected module 17 and charge in batteries control module 18: the selection of system power supply mode when realizing indoor and field exercise and examination, and realize charge in batteries control after the accumulator electric-quantity deficiency in the open air.They comprise a 24V DC control contactor, a 220v A.C. contactor and an interchange air switch, all select the corresponding product of positive safe electrical equipment for use.
The unified reometer that adopts little range (1mA) of all indicating instruments on the simulation operations panel 1; Original for the true operation panel by the fluid-operated oil pressure gauge of aero oil, be transformed into range 1mA reometer through changing watch core and designs fix base mode by current drives; The original engine speed indicator of true operation panel, system temperature and the gauge outfit of flowmeter own are exactly the reometer of range 1mA, can reach requirement through the transformation of removing its signal conversion circuit reservation gauge outfit; The original working time indicating gauge that is driven by rotary engine of true operation panel (6 mechanical type numeral rotation display format) substitutes through designing 6 figure place code timing modules; Original pressure adjustment knob of true operation panel and Throttle Opening Control rotary screw are transformed through the mode that embeds turn knob potentiometer, convert oil pressure variation and change in location into 0-12V linear DC voltage variable signal; Original true panel working station indicator itself is direct current 12v and drives, and need not to transform.
Slave computer uses the STC series monolithic, adopts the RS232 serial communication protocol of standard, and its 8 road inner high-speed a/d ALT-CH alternate channels are gathered the input port as the system simulation amount.The on-off value data acquisition bus comprises that four are selected signal and eight bit data signal to form, and carry out circle collection through chip selection signal and metadata cache chip to 32 bit switch amount signals.Analog signals converts digital quantity to through the inner A/D modular converter of STC series monolithic, and is stored in the specific register of single-chip microcomputer.Output interface module mainly comprises the demonstration and the corresponding display circuit of instrument and pilot lamp, respectively by switching value signal and analog signals control.Switching value output control bus is made up of 1 bit data and 1 bit clock signal.The switching value signal is with the mode of serial, and the control through clock bit, by the output of one one of shift-register circuit.Analog quantity output control bus comprises that 1 bit port selection position, 1 bit slice select signal, 1 bit data signal and 1 bit clock signal.System sends data through analog quantity output control bus to the D/A conversion chip, and converts analog quantity output to.
After the system start-up, the trainee selects training system or checking system through calculation control.Through behind the of short duration initialization procedure, get into main interface and see Fig. 3, click " training and the examination " control at main interface, get into and select surface chart 4, as clicking " training " control again, get into the formal training operation interface and see Fig. 2.The trainee just can carry out operating process after need importing name and ID.The setting of ID is needs of setting up database, conveniently inquires about trainee's training and is easy to and distinguish.In operating process, system writes down trainee's operation steps one by one, and writes database.Behind EO, system will print all operation stepss of trainee and correct operation steps.The core that this part function is implemented is an independent development hydrant cart simulated training examination software module, is example with the training mode, and its software flow is seen Fig. 5.Keeper's login module also is based on Visual Studio 2008 platforms, adopts C# language to develop, and the authority setting is accomplished by software.
Power supply mode of the present invention is selected to realize selecting automatically as auxiliary switch, cooperation ups power for the contactor combination 220V A.C. contactor of 24V direct supply control through master switch; Leave unused for the anti-locking system field exercise time is long or long-term; Cause accumulator electric-quantity not enough; Master switch can't start when trained next time; The present invention manually realizes charge in batteries control at air switch of the normally opened contact two ends of the contactor of master switch 24V direct supply control parallel connection, and charging finishes the back and breaks off this air switch.
Claims (7)
1. simulated training of hydraulic air hydrant cart and examination semi-physical system is characterized in that comprising the simulation operations panel (1) that formed by the transformation of true operation panel, realizes that the lower computer system (2) of signals collecting and driving execution, the power conversion system (5) and the simulated training of hydraulic air hydrant cart that realize the master system (3), synchronized projection system (4), in-house operation and the field operation that are the main body with the touch-screen industrial computer of virtual reality technology examine the profile and the mechanical framework of semi-physical system.
2. the simulated training of hydraulic air hydrant cart and examination semi-physical system that require according to right 1; It is characterized in that it must be that range is the reometer of 1mA that simulation operations panel (1) is gone up all indicating instruments; Original for the true operation panel by the fluid-operated oil pressure gauge of aero oil, be transformed into reometer through changing watch core by current drives; The true operation panel can reach requirement through the transformation of removing its signal conversion circuit reservation gauge outfit; The original working time indicating gauge that is driven by rotary engine of true operation panel substitutes through designing 6 figure place code timing modules.
3. the simulated training of hydraulic air hydrant cart and examination semi-physical system that require according to right 1; It is characterized in that simulation operations panel (1) keeps action button, knob and the toggle switch of original true panel; For flow and throttle adjustment knob, transform through the mode that embeds turn knob potentiometer.
4. according to right 1,2 or 3 described hydraulic air hydrant cart simulated trainings and examination semi-physical system, it is characterized in that realizing that the lower computer system (2) of signals collecting and driving execution comprises switching signal input DI acquisition module (6), simulating signal input (AI) acquisition module (7), switching value output DO driver module (8), analog quantity output AO driver module (9), single chip control module (10) and slave computer serial communication module (11).
5. according to right 1,2 or 3 described hydraulic air hydrant cart simulated trainings and examination semi-physical system; It is characterized in that realizing the master system (3) and the synchronized projection system (4) that are the main body with the touch-screen industrial computer of virtual reality technology, it comprises that hydrant cart simulated training examination software module (12), virtual interface (13) reach the RS232 serial communication protocol corresponding to the standard of slave computer with synchronized projection.
6. according to right 1,2 or 3 described hydraulic air hydrant cart simulated trainings and examination semi-physical system, it is characterized in that the power conversion system (5) of in-house operation and field operation comprises UPS uninterrupted power source (14), power supply mode selection module (15) and charge in batteries control module (16).
7. according to right 1,2 or 3 described hydraulic air hydrant cart simulated trainings and examination semi-physical system, it is characterized in that the master system (3) that is the main body with the touch-screen industrial computer of realizing virtual reality technology also comprises keeper's login module (17).
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| CN110580835A (en) * | 2019-07-10 | 2019-12-17 | 中国人民解放军陆军工程大学 | Engine electric control oil injection experiment teaching demonstration platform of armored vehicle diesel engine |
| CN112906324A (en) * | 2021-01-26 | 2021-06-04 | 中国人民解放军陆军工程大学 | Large-scale equipment maintenance simulation training device |
| CN113570927A (en) * | 2021-07-20 | 2021-10-29 | 成都航利航空工程职业教育有限公司 | Multifunctional aviation aircraft simulation training system |
| CN113570927B (en) * | 2021-07-20 | 2022-03-18 | 成都航利航空工程职业教育有限公司 | Multifunctional aviation aircraft simulation training system |
| CN114281235A (en) * | 2021-12-22 | 2022-04-05 | 徐工汉云技术股份有限公司 | Pump truck posture display and control method based on 3D model |
| CN114281235B (en) * | 2021-12-22 | 2024-05-17 | 徐工汉云技术股份有限公司 | Pump truck posture display and control method based on 3D model |
| CN114495634A (en) * | 2021-12-27 | 2022-05-13 | 中国科学院沈阳自动化研究所 | Manned simulator control and simulation training device and training method |
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