CN105387995A - See-through binocular helmet display work efficiency testing platform - Google Patents
See-through binocular helmet display work efficiency testing platform Download PDFInfo
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- CN105387995A CN105387995A CN201510716821.XA CN201510716821A CN105387995A CN 105387995 A CN105387995 A CN 105387995A CN 201510716821 A CN201510716821 A CN 201510716821A CN 105387995 A CN105387995 A CN 105387995A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
Abstract
The present invention relates to a see-through binocular helmet display work efficiency testing platform which comprises an outer visual scene generation system, an outer visual scene display system, a display interface information generation system, a driving operating device, a data real-time acquisition system, and a data processing computer. The outer visual scene generation system generates outer visual scene data through an outer visual scene database according to a simulated flight scene and a real-time driving operation input, and a generated image is displayed by the outer visual scene display system. The display interface information generation system generates prompting information according to a display interface to be tested. The data real-time acquisition system collects pilot operation behavior and operation response data. The data processing computer stores and processes various display interface information generation times, pilot operation behaviors and response time.
Description
Technical field
The invention belongs to the technical field of ergonomic's design evaluatio, relate to a kind of Clairvoyant type binocular helmet display work efficiency test platform.
Background technology
Headgear system is typical man-machine interactive node equipment.Helmet sight before substituting in military secret and head-up display system, have great application advantage.The a series of potential problems such as the monocular display helmet and the non-Clairvoyant type helmet have the shortcoming being difficult to overcome, the visual fatigue that the helmet as monocular display can bring disappearance and binocular rivalry as caused solid mapping to cause to pilot; Non-Clairvoyant type helmet information source places one's entire reliance upon the helmet, once the failure of breaking down directly causing aerial mission, finally brings difficulty to the aerial mission that successfully carries out.Clairvoyant type binocular helmet both can show various information because of it on the helmet, directly can see that again in sighting distance, scene becomes first-selected.If but the design of helmet display interface is improper is easy to make pilot's response speed slow, and on fast changing battlefield the response time of crucial importance.
At present, the effective technology means supporting helmet display permanent way management are still lacked in ergonomics aspect, mainly based on pilot's subjective assessment, and such evaluation method is difficult to quantize, deviation is also comparatively large, is difficult to determine the influence degree of Clairvoyant type binocular helmet display interface design to pilot's behavior performance.Therefore, be badly in need of a kind of display work efficiency test platform for Clairvoyant type binocular helmet, test flight person is to the response time of display interface information objectively.
Summary of the invention
The present invention seeks to solve current Clairvoyant type binocular helmet to apply in opportunity of combat, but still lack the problem to its display interface ergonomic quantitative evaluation technological means in ergonomics aspect, provide a kind of Clairvoyant type binocular helmet to show work efficiency test platform.
Pilot can be obtained to the response accuracy of different display interface information and correct response time according to the manipulation data of the driving control device of Real-time Collection and information displaying time by this platform, good and bad in order to evaluate display interface work efficiency, for Clairvoyant type helmet Binocular displays interface provides decision-making foundation, improve the operability of appraisal, reduce test job amount, make it more efficient quick.
The explicit work efficiency test platform of Clairvoyant type binocular helmet provided by the invention, comprising: outer virtual scene driving system, outer visual display system, display interface information generating system, driving control device, data real-time collecting system and data handling machine.The outer scenery picture data that outer virtual scene driving system generates are transferred to outer visual display system and show; The information that display interface information generating system generates is transferred to tested Clairvoyant type binocular helmet and carries out display and send information displaying time and correct respond style data to data real-time collecting system simultaneously; The action of pilot is converted to electric signal by driving control device and gathers type of action and time by data real-time collecting system; The data that data real-time collecting system collects are transferred to data handling machine; The data that data handling machine process data real-time collecting system transmits, obtain operation accuracy rate and average correct response time.
Described outer virtual scene driving system, according to simulated flight scene and the input of real-time riding manipulation, generates outer scenery picture data by outer scene database.
The image that the described outer virtual scene driving system of outer visual display system display generates.
Described display interface information generating system generates information according to the display interface of the Clairvoyant type Binocular displays helmet to be measured, and be transferred on Clairvoyant type binocular helmet and show, send display time data and correct respond style data to data real-time collecting system simultaneously.
The display time data that described data real-time collecting system collection pilot guidance behavior, control response time data and display interface information generating system are sent and correct respond style data, and the data collected are sent to Computer Storage and process.System is realized by FPGA, parallel data processing, sample frequency 20MHz, and error is 0.05us.Adopt ASIC or the more excellent FPGA sample frequency of parameter can be higher, then error be less.
The display interface information rise time that described data handling machine stores processor data real-time collecting system transmission comes, correct respond style data, pilot guidance behavioral data and response time data, more correct respond style data and pilot guidance behavioral data also statistics obtain operating accuracy rate, and response time data when statistics response is correct obtains average response time.
Described Clairvoyant type binocular helmet is tested device, and the information that display interface information generating system generates is explicit by this device.
Described Clairvoyant type binocular helmet display work efficiency test platform realizes the method for Clairvoyant type binocular helmet display work efficiency test, specifically comprises the steps:
(1) outer virtual scene driving system is according to simulated flight task, generates outer what comes into a driver's data in conjunction with outer scene database, the outer what comes into a driver's of image simulation that outer visual display system display generates;
(2) display interface information generating system generates information according to Clairvoyant type binocular helmet display interface to be measured, and is sent to tested Clairvoyant type binocular helmet, and helmet shield shows the information of generation;
(3) pilot participating in test operates according to the information that the helmet shows;
(4) display time data that data real-time collecting system collection pilot guidance behavior, control response time data and display interface information generating system are sent and correct respond style data;
(5) real-time Data Transmission collected is carried out Storage and Processing to computing machine by data line by data real-time collecting system;
(6) step of (1) ~ (5) is repeated until a predetermined analog aerial mission completes;
(7) step that the pilot participating in test repeats (1) ~ (6) is changed, until complete the whole flow process of test;
(8) the display interface information rise time that the transmission of data handling machine stores processor data real-time collecting system is next, correct respond style data, pilot guidance behavioral data and response time data, more correct respond style data and pilot guidance behavioral data also statistics obtain operating accuracy rate, and response time data when statistics response is correct obtains the on average correct response time.
Advantage of the present invention and good effect:
The present invention can improve the operability of appraisal, reduces test job amount, makes it more efficient quick; Make up the shortcoming that in subjective assessment, the impact of personnel's taste on evaluation result is excessive.For the design of Clairvoyant type binocular helmet display interface provides decision-making foundation, make design that pilot can be helped to make proper operation sooner, support that pilot carries out aerial mission better, the present invention can also expand to other types helmet display work efficiency Test Application.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of Clairvoyant type binocular helmet display work efficiency test platform of the present invention.In figure, Clairvoyant type binocular helmet is measured object, does not belong to Clairvoyant type binocular helmet of the present invention display work efficiency test platform.In figure, the direction of arrow is the transmission direction of data and information.
Embodiment
Figure 1 shows that the overall composition frame chart of Clairvoyant type binocular helmet provided by the invention display work efficiency test platform, this platform comprises: outer virtual scene driving system, outer visual display system, display interface information generating system, driving control device, data real-time collecting system and data handling machine.The outer scenery picture data that outer virtual scene driving system generates are transferred to outer visual display system and show; The information that display interface information generating system generates is transferred to tested Clairvoyant type binocular helmet and carries out display and send information displaying time and correct respond style data to data real-time collecting system simultaneously; The action of pilot is converted to electric signal by driving control device and gathers type of action and time by data real-time collecting system; The data that data real-time collecting system collects are transferred to data handling machine; The data that data handling machine process data real-time collecting system transmits, obtain operation accuracy rate and average correct response time.
Embodiment
Outer virtual scene driving system is made up of computing machine, outer scene database and outer virtual scene driving software, outer scene database content is round-the-clock simulated flight contextual data, outer virtual scene driving software is according to the outer what comes into a driver's data of flying scene data genaration in the outer scene database of simulated flight task call, simulated flight task comprise draw high, dive, tactics evade, open fire, each simulation task comprises 100 tactical operations;
By video transmission line, outer virtual scene driving system is connected with outer visual display system, the outer what comes into a driver's of the image simulation that display generates; Outer visual display system is made up of 2 projector, adjusts two projections and makes display image mosaic formation scene image with great visual angle, feel closer to actual conditions to make pilot;
Display interface information generating system is by FPGA, VGA chip, HDMI chip, the compositions such as storer, the information data of writing according to Clairvoyant type binocular helmet display interface to be measured are stored in storer, as speed, highly, target information, various warning messages etc., the circuit sequence constructed in FPGA reads data segment in storer and is converted to the acceptable VGA of the helmet in the present embodiment form and sends to tested Clairvoyant type binocular helmet, a positive pulse is produced when each data segment (information) end of transmission, and the proper operation code (corresponding correct operation) of correspondence is sent to the port be connected with data real-time collecting system, 10 seconds, interval between two data segments (information),
Display interface information generating system is connected with tested Clairvoyant type binocular helmet by video transmission line, and helmet shield shows the information of generation;
By data line, driving control device, display interface information generating system are connected with data real-time collecting system;
Driving control device is operating rod;
Data real-time collecting system is by FPGA, USB chip forms, the circuit constructed in FPGA is to driving control device, the output of display interface information generating system is sampled, two groups of sample-parallel process, internal counter is 20MHz all the time, USB chip is used for the data transmission between computing machine, when data real-time collecting system receives the positive pulse rising edge generated by display interface information generating system to counter O reset, the correct response data of record, first service data that driving control device transmits is recorded within 2 seconds afterwards, namely counter data when operation occurs and operational code (operational code that different operations is corresponding different), if 2 seconds did not operate, it is 25 complete 1 that operational code is recorded as 00 (indicating without operation) counter data, proper operation code, counter data when the practical operation code of driving control device and operation occur is that one group of data sends to data handling machine by USB interface,
Participate in the pilot of test according to simulation task, on driving control device, complete predetermined simulated operation according to display interface information, totally 10 pilots take one's test;
Complete in simulation task process, data real-time collecting system gathers 1000 groups of data altogether, by data line, the real-time Data Transmission collected is carried out Storage and Processing to computing machine, data handling machine is changed data automatically by receiving software, 2 seconds are cut as information displaying time to the time using often organizing data receiver, counter data when operation being occurred is converted to time value and is response time value, relatively proper operation code and practical operation code obtain operating accuracy rate, are averaged the time correctly responded.
It is 99.7% that the present embodiment test obtains operation accuracy rate, and the average correct response time is 0.436 second.
Claims (4)
1. the explicit work efficiency test platform of Clairvoyant type binocular helmet, is characterized in that comprising: outer virtual scene driving system, outer visual display system, display interface information generating system, driving control device, data real-time collecting system and data handling machine; The outer scenery picture data that outer virtual scene driving system generates are transferred to outer visual display system and show; The information that display interface information generating system generates is transferred to tested Clairvoyant type binocular helmet and carries out display and send information displaying time and correct respond style data to data real-time collecting system simultaneously; The action of pilot is converted to electric signal by driving control device and gathers type of action and time by data real-time collecting system; The data that data real-time collecting system collects are transferred to data handling machine; The data that data handling machine process data real-time collecting system transmits, obtain operation accuracy rate and average correct response time.
2. the explicit work efficiency test platform of Clairvoyant type binocular helmet according to claim 1, it is characterized in that described outer virtual scene driving system is according to simulated flight scene and the input of real-time riding manipulation, generate outer scenery picture data by outer scene database, and shown the image generated by outer visual display system.
3. the explicit work efficiency test platform of Clairvoyant type binocular helmet according to claim 1, is characterized in that described display interface information generating system generates information according to display interface to be measured.
4. the explicit work efficiency test platform of Clairvoyant type binocular helmet according to claim 1, is characterized in that described data real-time collecting system gathers the information display time data of pilot guidance behavior, control response time and display interface.
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| CN106596051A (en) * | 2016-12-19 | 2017-04-26 | 中国航空工业集团公司洛阳电光设备研究所 | Airborne head-up display and head-mounted display delay test apparatus and method |
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