漫长而曲折的道路:国家先进驾驶模拟器的25年
IEEE computer graphics and applications
|July 11, 2023
概括
国家高级驾驶模拟器提供现实的虚拟现实驾驶体验. 25年来,该设施在开发和测试汽车技术方面发挥了至关重要的作用.
科学领域:
- 汽车工程 汽车工程
- 人与计算机的交互
- 虚拟现实 虚拟现实 虚拟现实
背景情况:
- 国家先进驾驶模拟器 (NADS) 是汽车研究的一个关键设施.
- 它有25年的历史,支持车辆安全和自动化方面的进步.
- 美国国家公路运输安全管理局 (NHTSA) 拥有NADS,爱荷华大学运营.
研究的目的:
- 记录国家先进驾驶模拟器的历史和技术演变.
- 突出模拟器在先进驾驶辅助系统 (ADAS) 和自动驾驶汽车的开发中的作用.
- 解释NADS使用的沉浸式虚拟现实技术和运动系统.
主要方法:
- 这项研究回顾了NADS的25年运营历史.
- 它详细介绍了模拟器的技术部件,包括其运动系统和多投影显示器.
- 它强调模拟器在复制驾驶场景中的高保真性和现实性.
主要成果:
- NADS在关键汽车技术的开发中发挥了重要作用,如稳定控制和碰撞预警系统.
- 模拟器的沉浸式虚拟现实环境,利用多投影和大型游览运动系统,提供现实的驾驶员线索.
- 由于其高度的沉浸感,NADS中的驾驶员反应反映了现实驾驶环境中的情况.
结论:
- 国家先进驾驶模拟器是汽车研发的重要国家设施.
- 它的先进技术和现实的模拟能力使车辆安全和自动化取得了重大进展.
- 纳德斯的历史贡献强调了它在塑造现代汽车进步方面的重要性.
相关概念视频
Rolling Resistance
When a solid cylinder rolls steadily on a rigid surface, the normal force applied by the surface on the cylinder is perpendicular to the tangent at the contact point. However, since no materials are entirely rigid, the surface's reaction to the cylinder involves a range of normal pressures.
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down due to...
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down due to...
Rolling Resistance: Problem Solving
Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
PD Controller: Design
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Sight Distance in a Vertical Curve
Sight distance on vertical curves is critical in roadway design. It ensures drivers can see far enough ahead to identify and respond to hazards effectively. This directly impacts safety, driver comfort, and the overall efficiency of the transportation network.Vertical curves are classified into crest and sag curves based on their geometry. For crest curves, sight distance is determined by the line of sight between a driver's eye and a small object on the road's surface. Design parameters for...


