Name: バーチャルリアリティフライトシミュレータを使用した飛行性能と眼球運動パターンの評価 (動画) | JoVE Journal
Uploaded: 2023-05-19T13:50:00.000+00:00
Duration: 3 min 49 s
Description: 学ぶVRフライトシミュレータを用いたパイロットの眼球運動と飛行指標によるパフォーマンス評価法。低コストで柔軟性が高く、宇宙飛行士選考など多様な研究ニーズに対応可能です。

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The authors are incredibly grateful to Mr. Li Yan for his help in recruiting pilot participants and acknowledge Ms. Bu Lingyun for her work on drawing pictures. The research was supported by the National Natural Science Foundation of China (grant number T2192931, 72071185), the National Brain Project (grant number&#160;STI2030-Major Projects2022ZD0208500), the National Key Laboratory Project of Human Factors Engineering (grant number SYFD062003), the National Key Laboratory Project of Human Factors Engineering (grant number 6142222210201), and year 2022 Major Projects of Military Logistic Research Grant and Key Project of Air Force Equipment Comprehensive Research&#160;(grant number KJ2022A000415).

&#65279;The authors declared no financial disclosure or conflicts of interest.

&#65279;The current study assessed if participants with flight experience had better flight performance than those without flight experience in a VR-based flight simulator. More importantly, it evaluated whether a more optimized eye movement pattern could be found in these participants with better flight performance. The results have significant differences between participants with and without flight experience in three key flying QAR indicators: pitch angle 1 s before landing, the mean distance to the reference line, a...

The European Aviation Safety Agency (2012) categorizes flight simulators as training facilities, flight and navigation program trainers, flight training equipment, and complete flight simulators1. To date, a range of flight simulators is available for training, from low-level tabletop systems to highly complicated motion-based full flight simulators2. The traditional simulator includes a flight dynamics model, a system simulation, a hardware cockpit, an external visualization, and an optional motion simulation3.
These traditional flight simulators have some advantages as effective flight training equipment. However, their cost is high and environmentally unfriendly, as the drive of each system requires substantial electrical energy, especially a full flight simulator, which requires high temperature and high-pressure fluid or air pressure, consumes much power and generates a lot of noise4.
However, a simple desktop simulator system is flexible and low-cost, with lower immersion and fewer interactions than a full flight simulator2. Therefore, it is essential to develop new flight simulators that combine the advantages of desktop systems and full flight simulators (in other words, the flexibility of a tabletop simulation and the immersion and interaction level close to a full flight simulator).
With the development of computer technology, especially virtual reality (VR) technology, a new type of flight simulator based on emerging VR technology is becoming a reality. The VR-based flight simulator is flexible, portable, low-cost, and has fewer space requirements than conventional flight simulators5. Researchers have created flight simulators based on VR technology over the past 20 years6,7,8,9,10,11; however, these VR flight simulators are mainly for flight training, and there are few for pilot selection. Still, with cost reduction and technology enhancement, VR-based simulators are changing and becoming feasible for personal selection. Some studies have used VR-based simulators for personal selection in different domains: Schijven et al.12 selected surgical trainees using a virtual reality simulator. Huang et al.13 developed a psychology selection instrument based on virtual reality technology for air force pilot recruitment. Wojciechowski and Wojtowicz14 assessed a candidate&#39;s capabilities as an unmanned aerial vehicle (UAV) pilot based on VR technology. Given that pilot selection is critical for the aviation industry, it is pressing to develop a new VR-based flight simulator focusing on pilot selection, as large-scale pilot selection is susceptible to the cost of the simulator and demands in the portability simulator system.
Eye movements provide cues for a pilot&#39;s performance. Different studies have found that the eye-scanning mode distinguishes the performance between expert and novice pilots. By comparing the scanning pattern between experts and novices, experts&#39; efficient and structural eye movement behavior and the inadequate scanning methods of beginners could be differentiated. Several aviation studies have found that pilots&#39; eye-scanning strategy highly relates to the level of expertise15,16,17,18,19,20,21,22,23,24. According to Bellenkes et al.25, the duration of experts&#39; fixations is shorter, and the frequency of their fixations on instruments is higher than that of novices. Almost the same conclusion was drawn by Kasarskis et al.26, who discovered that expert pilots have more fixations combined with shorter durations than novices, suggested that expert pilots have a better visual mode than novices. In another study, Lorenz et al.27 found that experts spend more time looking outside the cockpit than novices. These results have great practical value in the selection of newcomers.
Flight performance assessment is another critical factor for pilot selection. However, the following problems exist in pilot flight performance evaluation: conflicting expert opinions, more selection norms, and a unified selection theory. In the driving field, Horrey et al.28 compared the absolute value of lane departure from the centerline for different experimental conditions to assess driving performance. Back to the aviation domain, the flight quick access recorder (QAR) records all sorts of pilot manipulation parameters, aircraft parameters, environments, and warning information during flight29. More specifically, as the QAR indicators, the pitch angle is the rotation angle around the left and right axes of the aircraft30, and the reference line (or the center reference line) is right in the middle of the red and green lines28; these two flight parameters are used to evaluate the flight performance of participants with or without experience in the current study. These QAR data can be used to evaluate flight performance, yet to our best knowledge, they have seldom been used for personal training and selection in scientific research31,32.
Measurements of eye movement patterns can be used to assess and predict flight performance and guide pilot training and selection. Gerathewohl33 stated that the eye is the most important sensory organ of the pilot, processing 80% of the flight information. Pilots must acquire visual information from instruments in the cockpit and integrate it into a coherent image to manage the flight22. Further, optimal scanning behavior is essential to accomplish better flight performance15. However, no affordable flight simulator currently integrates an eye tracker to facilitate quantitative studies of the relationship between eye movements and flight performance.
The current study developed a new VR flight simulator to assess if participants with flight experience had better flight performance than those without flight experience. The VR flight simulator integrates eye tracking and a flight dynamics system allowing eye-movement pattern analysis and flight performance evaluation. In particular, it is worth mentioning that the VR flight simulator uses a VR eye tracker34, not a glass-like or desktop eye tracker, to analyze the area of interest (AOI)-based eye movement without time-consuming frame counting.
Finally, the present work can lead to an omnibus measurement for pilot selection in the future, from eye scanning path to objective flying performance data. With the help of the virtual flight simulator, the cost of flight selection will be significantly reduced, and the norm of pilots can be formed based on extensive data gathering. The work fills a gap between conventional and desktop simulators for flight selection needs.

<table><tbody><tr><td>3D engine SDK</td><td>Epic Games</td><td>Unreal Engine 4&lt;br/&gt; GameAnalytics Unreal SDK</td><td>This SDK is a powerful yet flexible free analytics tool designed for games.</td></tr><tr><td>CPU</td><td>Intel</td><td>IntelCore i9</td><td>One of the most powerful CPU on the mainstream market.</td></tr><tr><td>Eye tracking SDK</td><td>Tobii</td><td>Tobii XR SDK</td><td>This SDK provide device agnostic access to eye tracking data to allow development for headsets from many different hardware vendors and is not limited to devices using Tobii Eye Tracking hardware.</td></tr><tr><td>Eye tracking software</td><td>Developed by the research team</td><td></td><td>A program that tracks the movement of a person&#039;s eyes while they are using a virtual reality HMD.</td></tr><tr><td>FlySimulator program</td><td>Developed by the research team</td><td></td><td>A software that simulates flying experiences in a virtual environment, using VR HMD and hand-held controllers.</td></tr><tr><td>Graphics card</td><td>NVIDIA</td><td>GeForce RTX 3090&lt;br/&gt; 10496 NVIDIA CUDA Cores&lt;br/&gt; 1.70 GHz Boost Clock&amp;nbsp;&amp;nbsp;&lt;br/&gt; 24 GB Memory Size&lt;br/&gt; GDDR6X Memory Type</td><td>One of the most powerful graphics card on the mainstream market.</td></tr><tr><td>Operating system (OS)</td><td>Microsoft</td><td>Windows XP</td><td>An operating system (OS) developed and exclusively distributed by Microsoft Corporation</td></tr><tr><td>Replica control panel</td><td>THRUSTMASTER</td><td>2960720 2971004 2962072 2960748 2960769</td><td>U.S. Air Force A-10C attack aircraft HOTAS</td></tr><tr><td>Replica joystick</td><td>THRUSTMASTER</td><td>2960720</td><td>U.S. Air Force A-10C attack aircraft HOTAS</td></tr><tr><td>Replica pedal</td><td>THRUSTMASTER</td><td></td><td>TPR pendular rudder</td></tr><tr><td>Replica throttle</td><td>THRUSTMASTER</td><td></td><td>U.S. Air Force A-10C attack aircraft HOTAS</td></tr><tr><td>Screen connected to PC</td><td>Redmi</td><td>RMMNT27NF, 27-inch, 1920 X 1080 resolution ratio</td><td>Screen allows the experimenter to simultaneously view what is happening in the VR HMD</td></tr><tr><td>Screen recording software</td><td>OBS Project</td><td>OBS Studio Version 28.0</td><td>A free and open source software for video recording and live streaming</td></tr><tr><td>Statistical power analysis software</td><td>Open-Source</td><td>G*power Version 3.1.9.6</td><td>A free and user-friendly tool for estimating statistical power and sample size.</td></tr><tr><td>Statistical software</td><td>IBM</td><td>SPSS Version 24.0</td><td>A powerful statistical software platform</td></tr><tr><td>Versatile statistics tool</td><td>GraphPad Software</td><td>GraphPad Prism Version 9.4.0</td><td>A versatile statistics tool purpose-built for scientists-not statisticians</td></tr><tr><td>VR app store</td><td>HTC Corporation</td><td>VIVE Software 2.0.17.6 / 2.1.17.6</td><td>An app store for virtual reality where customers can explore, create, connect, and experience the content they love and need.</td></tr><tr><td>VR head-mounted display (HMD)</td><td>HTC Corporation</td><td>VIVE Pro Eye</td><td>A VR headset with precision eye tracking</td></tr><tr><td>VR software</td><td>Steam</td><td>Steam VR Version 1.23</td><td>A tool for experiencing VR content on the hardware</td></tr></tbody></table>

evaluating flight performance and eye movement patterns using virtual reality flight simulator

Evaluating Flight Performance and Eye Movement Patterns Using Virtual Reality Flight Simulator

Efficient and economical performance evaluation of pilots has become critical to the aviation industry. With the development of virtual reality (VR) and the combination of eye-tracking technology, solutions to meet these needs are becoming a reality. Previous studies have explored VR-based flight simulators, focusing mainly on technology validation and flight training. The current study developed a new VR flight simulator to evaluate pilots' flight performance based on eye movement and flight indicators in a 3D immersive scene. During the experiment, 46 participants were recruited: 23 professional pilots and 23 college students without flight experience. The experiment results showed significant differences in flight performance between participants with and without flight experience, the former being higher than the latter. In contrast, those with flight experience showed more structured and efficient eye-movement patterns. These results of the differentiation of flight performance demonstrate the validity of the current VR flight simulator as a flight performance assessment method. The different eye-movement patterns with flight experience provide the basis for future flight selection. However, this VR-based flight simulator has shortcomings like motion feedback compared to traditional flight simulators. This flight simulator platform is highly flexible except for the apparent low cost. It can meet the diverse needs of researchers (e.g., measuring situation awareness, VR sickness, and workload by adding relevant scales).

For the current experiment, 23 experts with flight experience and 23 novices without flight experience were chosen. The participants were between 25 and 58 years of age (experts: M = 32.52 years, SD = 7.28 years; novices: M = 29.57 years, SD = 5.74 years). The gender of all participants was male. All the novices were recruited from Tsinghua University (students or faculty), and all the experts were from China Eastern Airlines.
Eye movement<b...

A new virtual reality flight simulator was built, which enables efficient and low-cost evaluation of flight performance and eye movement patterns. It also provides a high-potential research tool for ergonomics and other research.

Efficient and economical performance evaluation of pilots has become critical to the aviation industry. With the development of virtual reality (VR) and ...

The current study developed a new VR flight simulator to evaluate pilot performers based on eye movement and flight performers indicators in a 3D immersive scenario. The flight simulator platform is highly flexible, in addition to low cost. It can meet the diverse needs of researchers.The method can also be applied to select astronauts, in addition to pilots. Begin by installing the flight simulator. Join the throttling control panel together, treating them as one unit.Connect the throttle, joystick, and pedal to the flight simulator PC module via USB. Followed by connecting the head-mounted display or HMD to the flight simulator PC module via a link box. Connect the base stations and virtual reality or VR controllers to the HMD via VR software on the PC.To set up the standing only play area for VR, ensure that the HMD is turned on and connected to the computer.Place the base station diagonally so that the HMD can always be within the base station monitoring range while keeping it fixed, to maintain a stable VR environment. Then set up a standing-only play area according to prompts provided by VR software on the computer. Connect the tuned flight control module and large screen dis

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学ぶVRフライトシミュレータを用いたパイロットの眼球運動と飛行指標によるパフォーマンス評価法。低コストで柔軟性が高く、宇宙飛行士選考など多様な研究ニーズに対応可能です。

Evaluating Flight Performance and Eye Movement Patterns Using Virtual Reality Flight Simulator

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