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首页虚拟现实头盔驱动行为分析:驾驶模拟器的开发与驾驶员特性研究
本文主要探讨了基于虚拟现实头戴式显示器的驾驶模拟器在分析驾驶员特性中的应用。驾驶车辆是一项日常生活中常见的高风险任务,研究者们正在积极寻求通过驾驶模拟来深入理解驾驶员的行为模式。虚拟现实技术作为一种创新手段,因其提供了一个更为简单、安全且用户友好的数据收集环境,逐渐被用于替代传统的驾驶模拟器。它能够在保护用户免受实际道路驾驶风险的同时,帮助新手驾驶员在模拟场景中提升驾驶技能。 在本文的研究中,研究人员使用Unity3D游戏引擎(版本5.4.0f3)构建了一套理论框架,并利用C#编程语言实现。特别引入了由Steamvr支持的HTC Vive虚拟现实头戴设备,以增强模拟环境的真实感。实验共吸引了10名年龄在19至37岁的志愿者参与,他们通过虚拟现实驾驶实验收集数据,Matlab R2016b则被用于后续的数据分析。 研究结果显示,驾驶表现与驾驶员的个人行为特征以及对虚拟环境的适应性密切相关。实验数据揭示了不同驾驶员在虚拟驾驶情境下的反应差异,这对于驾驶员培训和理解驾驶员行为特征具有重要意义。然而,值得注意的是,部分参与者由于晕动症或者对虚拟环境的不适应,可能在模拟过程中遇到困难,这为未来的模拟器设计提出了改进的需求。 总结来说,本文不仅贡献了关于基于虚拟现实头戴式显示器的驾驶模拟器设计和实现的技术细节,还通过对驾驶员行为的深入分析,为提升驾驶安全教育和驾驶模拟器优化提供了有价值的研究依据。这项研究有助于推动虚拟现实技术在交通安全领域的应用,以及驾驶员行为研究的进一步发展。
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tem. In addition, the analysis results show that an individual’s behavior and
characteristics such as maintaining and controlling speed, braking when needed,
remaining calm, paying attention to the environment changes around them,
while driving, can affect their performance in a simulated environment.
2. Advantages and Disadvantages of Driving Simulations
Driving simulators have been utilized to help novice drivers, for racing training,
road safety scientific research, and as entertainment at home. Driving simulators
offer various advantages compared to real vehicles, including [5].
2.1. Advantages of Driving Simulators
1) They are easy to control and easy to make, reproduce and normalization.
Changing the traffic mode, weather conditions, and the road design can be
easily adjusted based on the needs of the researcher or designer. It will also
give the developer more room to design different scenarios and enables the
user to try and practice freely for any amount for time. By using simulators,
drivers can experience driving under the exact same conditions and the same
scenarios decided by researchers. This is an important factor for producing
research results [5].
2) Gathering data will be easier and more precise. With a driving simulator,
measuring performance will be more accurate and efficient. On the other
hand, gathering data with a real vehicle is problematic when collecting cor-
responding, accurate data. It is difficult to determine the distance between
two vehicles in real time because the vehicles can’t easily be manipulated by
researchers. While in the simulation, data can be recorded more easily and
precisely because everything about the simulation can be manipulated at any
time with coding from a VR program [6]. It helps a researcher evaluate object
detection and hazard awareness by using eye-tracking [7].
3) Experiencing and encountering accidents without being physically harmed. It
is possible to study dangerous driving situations by putting the driver in
dangerous driving situations, which is an ethically challenging when using a
real vehicle [7].
4) Ease in feedback and instruction. It is possible to pause, reset, or replay the
same, established scenario many times. Feedback and instruction can be de-
livered in different ways such as speech and visual overlays used to highlight
dangerous features in the environment [5].
2.2. Disadvantages of Driving Simulators
Simulators have some disadvantages and challenges which are:
1) Limited physical, perceptual, and behavioral fidelity. Low-fidelity simulators
may evoke unrealistic driving behavior and therefore produce invalid re-
search outcomes. Simulator fidelity is known to affect user opinion. Partici-
pants may become demotivated by a limited-fidelity simulator and prefer a
real vehicle instead (or a costlier high-fidelity simulator for that matter) [5].
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