通过出路注意力的建议引导变压器进行轨迹预测
Wei Xu1, Ruochen Li1, Xiaodong Du1
1College of Transportation, Shandong University of Science and Technology, Qingdao, 266590, China.
Scientific reports
|April 18, 2025
概括
这项研究引入了自动驾驶汽车的"出路注意",通过动态适应驾驶情况来增强轨迹预测. 新的框架提高了复杂环境中的安全性和效率.
科学领域:
- 计算机科学 计算机科学
- 机器人技术 机器人技术 机器人技术
- 人工智能的人工智能
背景情况:
- 自动驾驶汽车的安全依赖于预测周围的代理行为.
- 目前的基于规则的系统缺乏适应性,并与现实世界的复杂性作斗争.
- 将预测模型通用到各种驾驶场景仍然是一个挑战.
研究的目的:
- 为自动驾驶汽车开发一个更具适应性和效率的轨迹预测框架.
- 克服严格的,基于规则的预测方法的局限性.
- 提高自动驾驶系统的安全性和可靠性.
主要方法:
- 推出了一种新的注意力机制"Out Way Attention",具有动态适应能力.
- 开发了一个新的轨迹预测框架,具有可学习的提案矩阵.
- 实现了变不变的位置编码,用于序列独立的代理处理.
- 将拟议的方法集成到变压器架构中.
主要成果:
- "出路注意"机制提高了模型在各种驾驶情况下的适应性.
- 该框架有效地预测了多种交互代理的多式联络轨迹.
- 这种方法证明了培训和推断效率的提高.
- 在Argoverse,Trajnet++和ETH/UCY数据集上验证了强大的性能.
结论:
- 拟议的方法大大减少了人类对自动驾驶汽车系统的干预.
- 该模型显示在复杂,动态环境中增强了适应能力和效率.
- 这种方法为安全可靠的自主导航提供了强大的解决方案.
相关概念视频
Types Of Transformers
Transformers can provide desired voltages to a circuit by modifying the number of turns in the secondary windings.
If the ratio of the number of turns in the secondary winding to that of the primary winding is greater than one, then the transformer is said to be a step-up transformer. In a step-up transformer, the voltage at the secondary winding is greater than the voltage applied at the primary winding.
However, if this ratio is less than one, the transformer is said to be a step-down...
If the ratio of the number of turns in the secondary winding to that of the primary winding is greater than one, then the transformer is said to be a step-up transformer. In a step-up transformer, the voltage at the secondary winding is greater than the voltage applied at the primary winding.
However, if this ratio is less than one, the transformer is said to be a step-down...
End Point Prediction: Gran Plot
A Gran plot is used to predict the equivalence volume or endpoint of a potentiometric or acid-base titration without reaching the endpoint. Typically, titration data is collected as a function of the titrant's volume up to a point less than the equivalence volume and then transformed into a linear format. The straight line is extended to the x-axis, indicating the necessary titrant volume to achieve the equivalence point.
For potentiometric titration, the Gran plot is created by plotting the...
For potentiometric titration, the Gran plot is created by plotting the...
Transformers with Off-Nominal Turns Ratios
In scenarios involving parallel transformers with disparate ratings, developing per-unit models requires accommodating off-nominal turns ratios. This situation arises when the selected base voltages are not proportional to the transformer’s voltage ratings. Consider a transformer where the rated voltages are related by the term a. If the chosen voltage bases satisfy a relationship involving term b, term c is defined as the ratio of these bases. This ratio is then substituted into the rated...


