CN101465073B

CN101465073B - Simulation operation training system for land scraper

Info

Publication number: CN101465073B
Application number: CN2007101917427A
Authority: CN
Inventors: 李宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-17
Filing date: 2007-12-17
Publication date: 2010-04-14
Anticipated expiration: 2027-12-17
Also published as: CN101465073A

Abstract

The invention discloses a simulation operation training system for a grader, which belongs to a simulation system. The system comprises an operating table, a programmable controller, a monolithic processor, a sensing system and an image display; a plurality of operating handles, a steering wheel, a direction transmission axle, a gear controller, a brake and a throttle are installed on the operating table; a sensor is connected with all the operating handles on the operating table and transmits the mechanical action signals of all the operating handles to a primary signal processing monolithic processor, the signals are transmitted to the secondary signal processing programmable controller after being processed by the monolithic processor through a USB interface, and the signals are transmitted to the display system to display the promote motion picture through a VGA data line after being processed by the programmable controller. The invention has the advantages that the system can stimulate various operating actions of the grader, as well as environments, tasks, and the like, in the practical work, greatly increases the training time of the trainees and enables the trainees to truly and skillfully grasp various operating techniques and skills of the grader.

Description

Simulation operation training system for land scraper

Technical field

The invention belongs to simulation operation training system, specifically is a kind of simulation operation training system for land scraper of developing at training motorized grader driver.

Technical background

Since the reform and opening-up, Chinese national economy increases rapidly, and the particularly develop rapidly of highway communication building cause in recent years is for engineering machinery provides the huge market opportunity.The motorized grader of China road engineering machinery industry heightens, and than higher, teaching ability and the technology content to its training school requires higher equally to the technical ability of its grasp of motorized grader driver, technical requirement.

Present Training Methodology is that the student after early stage, Theory Course finished, just carries out in fact machine operation training usually, learns its operative skill, skill.But the various operative skills of motorized grader, skill just can be on top of by long-time in fact machine training.This training patterns, method exist a lot of problems, shortcomings such as for example cost is big, consumptive material height, the student also is subjected to restrictions such as time, economic condition in training process, cause student on top of operative skill, the skill of excavator, also bring many potential safety hazards in the real work afterwards.

Summary of the invention

The purpose of this invention is to provide a kind of simulation operation training system for land scraper.Can simulate the various operation actions of motorized grader, environment and the task dispatching in the real work, increase considerably student's training time, make the student can be really on top of various operative skills, the skill of engineering machinery.

Technical scheme of the present invention is: a kind of simulation operation training system for land scraper, sensor-based system, single-chip microcomputer and the programming application program, the operation and application software system that comprise operator's console, Programmable Logic Controller, scene database, image composer, image display, be made up of some sensors; Operator's console comprises worktable, be installed in the control lever coupling shaft on the worktable, some operating grips are installed on its coupling shaft, bearing circle and direction transmission shaft, gear controller, brake and throttle, sensor-based system is connected with each operating grip on the worktable and by data line each operating grip mechanical action signal is transferred to one stage signal disposal system single-chip microcomputer, signal is handled the back through single-chip microcomputer and is passed to second signal disposal system Programmable Logic Controller by USB interface, passes to display system through Programmable Logic Controller processing back by the VGA data line and shows the instant action picture.

Two kinds of the visual angle employing pilothouse inside view pattern of operation system of software and the outside field-of-view modes of pilothouse.Simulator adopts the hardware device identical with prototype.

The student is at the enterprising line operate of operator's console, when various functional units are operated, can contact set sensing contact, this sensing contact is connected pairing circuit and is produced electric current, pass to one-level disposal system single-chip microcomputer, pass to Programmable Logic Controller through after the signal Processing by the usb data line, Programmable Logic Controller obtains the relevant action instruction by corresponding A/D conversion back, pass to graphical presentation system again by interface then, graphical presentation system accesses corresponding what comes into a driver's in scene database, and generate the working environment figure of simulation, with graphic presentation on display system.

Advantage of the present invention is: pass through simulation operation training system, can simulate the various operation actions of motorized grader, environment and the task dispatching in the real work, increased considerably student's training time, made the student can really skillfully slap various operative skills, the skill of motorized grader.

Description of drawings

The present invention is described in more detail below in conjunction with drawings and Examples:

Fig. 1 is the system architecture synoptic diagram;

Fig. 2 is the operator's console structural representation.

Among Fig. 2: 1, display system, 2, Programmable Logic Controller, 3, the usb data line, 4, single-chip microcomputer, 5, data line, 6, sensor, 7, control lever, 8, transmission shaft, 9, worktable, 10, the VGA data line, 11, bearing circle, 12, throttle, 13, brake, 14, gear controller.

Embodiment

As shown in Figure 1, simulation operation training system for land scraper comprises simulated operation platform, sensor-based system, single-chip microcomputer, Programmable Logic Controller and image display.Also comprise the motorized grader simulation scene database, image composer, programmable applications program, the operation and application software system that match with hardware.

As shown in Figure 2, operator's console comprises worktable 9, be installed in the various control lever 7 on the worktable 9, bearing circle 11 and direction transmission shaft 8, gear controller 14, brake 13, throttle 12, its underpart sensor installation 6, sensor 6 is transferred to one stage signal disposal system single-chip microcomputer 4 by data line 5, passing to second signal disposal system Programmable Logic Controller by USB interface 3 after signal is handled through single-chip microcomputer 4 is Programmable Logic Controller 2, handles the back through Programmable Logic Controller 2 and passes to display 1 by VGA data line 10.After the action of operator's console is collected signal by sensor-based system, pass to single-chip microcomputer through data line, by usb data line input Programmable Logic Controller, Programmable Logic Controller shows with the simulated action visual format synchronously through being transferred in the display system by data line after the data processing after the single-chip microcomputer deal with data.

The motorized grader operation system of software of this simulator comprises simulated operation chamber interior field-of-view mode and two kinds of operations of simulated operation outdoor field-of-view mode field-of-view mode.

After opening the simulator main power switch, start Programmable Logic Controller and graphic display system, the synchronization action picture when gathering arrangement motorized grader analog operation is presented on the screen.

When the bearing circle 11 of simulator clockwise, when rotating counterclockwise, the sensor 6 below the bearing circle can produce different resistance according to the angle that the simulator bearing circle rotates, and passes to single-chip microcomputer 4 thereby have corresponding electric current by data line 5.After single-chip microcomputer 4 carries out the one-level processing with signal, pass to Programmable Logic Controller 2 again by USB connecting line 3, motorized grader operation simulation software is housed in the Programmable Logic Controller 2, the one stage signal that the bearing circle that the operation simulation program passes over according to single-chip microcomputer 4 rotates is carried out virtual rotation, and pass to display 1 by VGA data line 10, and in display 1, show, displayed content is consistent with simulation bearing circle rotational angle.

When pin is stepped on the throttle 12 the time, the sensors 6 below throttle 12 pass to 4 one signals of single-chip microcomputer and judge the speed control of running gear and the actuating signal that respective sensor passes over.Single-chip microcomputer 4 will pass to Programmable Logic Controller 2 again and handle according to the primary signal that gas pedal passes over, thereby display system 1 shows corresponding friction speed mode of operation, reaches truly purpose intuitively.

When in simulated operating procedure, in running into work, needing to brake, step on brake 13, at this moment corresponding sensor 6 can transmit signal to single-chip microcomputer 4, single-chip microcomputer 4 can be made the signal that cuts off walking, stops through Programmable Logic Controller 2 processing back display devices on display 1 equally and carries out other actions.

When manipulation simulator carries out simulation job, manipulation operations bar 7 carries out cooperation and carries out composite move, its underpart sensor 6 passes to single-chip microcomputer 4 with the actuating signal of receiving, and will feed back to Programmable Logic Controller 2 after the processing of simulating signal one-level, call corresponding motorized grader simulation softward code after 2 pairs of signal Processing of Programmable Logic Controller this moment, the instant action image shows at display 1 the most at last.

After the simulation system simulated engine is flame-out, system sends the shutting engine down simulated sound, at this moment we close starting switch according to safety instruction and pass to single-chip microcomputer 4 by corresponding sensor 6, and single-chip microcomputer 4 is finished the everything signal by operation.

Other move handles as mentioned above, and institute's respective operations action real simulation physical device operation duty is reproduced the authenticity of operation by the visual field directly perceived that display is broad.

Claims

1. simulation operation training system for land scraper, sensor-based system, single-chip microcomputer and the programmable applications program, the operation and application software system that comprise operator's console, Programmable Logic Controller, scene database, image composer, image display, form by some sensors; It is characterized in that operator's console comprises worktable (9), be installed in the control lever coupling shaft (15) on the worktable (9), some operating grips (7) are installed on its coupling shaft, bearing circle (11) and direction transmission shaft (8), gear controller (14), brake (13) and throttle (12), sensor (6) is connected with each operating grip on the worktable (9), and be connected with single-chip microcomputer (4) by data line (5), each operating grip mechanical action signal is transferred to single-chip microcomputer (4), single-chip microcomputer (4) is connected with Programmable Logic Controller (2) by usb data line (3), signal after handling is passed to Programmable Logic Controller (2), and Programmable Logic Controller (2) shows the instant action picture by the data transfer that VGA data line (10) will be connected with display (1) after will handling to display.

2. simulation operation training system for land scraper as claimed in claim 1, the visual angle that it is characterized in that operation system of software adopt two kinds of pilothouse inside view pattern and the outside field-of-view modes of pilothouse.

3. simulation operation training system for land scraper as claimed in claim 1 is characterized in that single-chip microcomputer (4) is connected with Programmable Logic Controller (2) by serial data interface or parallel data grabbing card.

4. simulation operation training system for land scraper as claimed in claim 1 is characterized in that system also can not use Programmable Logic Controller (2), by go up the function that realizes Programmable Logic Controller (2) at single-chip microcomputer (4).