相关实验视频
Updated: Feb 14, 2026

14:57
Structural Design and Manufacturing of a Cruiser Class Solar Vehicle
Published on: January 30, 2019
14.4K
DB-MLP:一种轻量级的双分支MLP,用于使用车辆弹射质量加速进行道路粗度分类
Defu Chen1, Mingye Li1, Guojun Chen2
1College of Information Engineering, Zhejiang University of Technology, Hangzhou 310023, China.
Sensors (Basel, Switzerland)
|February 13, 2026
概括
本研究介绍了一种轻量级的道路粗度分类框架,使用一种新的双分支多层感知器 (DB-MLP). DB-MLP模型实现了高精度 (98.5%) 并显著降低了实时车辆系统的推断延迟.
科学领域:
- 车辆动力学和控制控制
- 机器学习用于工程应用程序.
- 汽车系统的信号处理.
背景情况:
- 准确的道路粗度识别对于车辆悬架控制和乘客舒适性至关重要.
- 现有的数据驱动方法在平衡分类准确性与实时计算约束方面面临挑战.
- 标记实体数据的稀缺性和线性模型的局限性阻碍了当前的方法.
研究的目的:
- 为实时车载监控提出一个轻量级和强大的道路粗度分类框架.
- 开发一个适合嵌入式车辆系统的高精度和成本效益的解决方案.
- 在准确性和计算效率方面解决现有方法的局限性.
主要方法:
- 建立了一个高保真共模拟平台 (CarSim和Simulink),以生成覆盖ISO A-F粗度级别的物理一致的振动数据集.
- 推出了DB-MLP (双分支多层感知器),这是一种设计用于高效特征提取的新型神经网络架构.
- 采用双分支策略,采用多分辨率时间投影和双域特征转换块,以捕获多尺度依赖.
主要成果:
- DB-MLP在仅为0.58万个参数的情况下实现了98.5%的优异分类准确度.
- 该模型显示了推断延迟的显著减少,比主要基线快约20倍 (0.007毫秒/样本).
- 在特定的道路分类任务中,DB-MLP保持了竞争性表现.
结论:
- 拟议的DB-MLP框架为实时道路粗度分类提供了具有成本效益和高精度的解决方案.
- 轻量级和坚固的设计使其适合在嵌入式汽车系统上部署.
- 这种方法有效地克服了现有方法在平衡精度和计算效率方面的局限性.
相关概念视频
Mass Spectrometry: Branched Alkane Fragmentation
1.8K
This lesson delves into the mass spectrometry of branched alkane fragmentation. Branched alkanes possess secondary or tertiary carbon atoms, which generate relatively stable carbocations if the cleavage occurs at the branching point. The high stability of carbocations drives the instant fragmentation of branched alkanes. Accordingly, the branched alkane's molecular ion peak is very weak or invisible in the mass spectra, especially in comparison to a linear alkane.
1.8K
Design Example: Alignment of a Road Line Using GIS
357
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
357
Accelerators
292
Accelerators in concrete serve as admixtures to speed up the hardening process, enabling the concrete to achieve early strength faster. Although accelerators do not necessarily impact the time it takes concrete to set, they reduce this time in practice. A common accelerator is calcium chloride, which is particularly useful for hastening early strength development in cold weather or for rapid repair jobs that require quick heat generation after mixing.
The effectiveness of calcium chloride can...
The effectiveness of calcium chloride can...
292
Directing Proteins to the Rough Endoplasmic Reticulum
17.9K
The organelle-specific signaling sequences direct proteins synthesized in the cytosol to their final destination like ER, mitochondria, peroxisomes, etc. Some of the proteins directed to ER are then trafficked via vesicles to other organelles within the cell or the extracellular environment through the Golgi complex. For example, the rough ER synthesizes soluble proteins for transportation to the lysosomes or secretion out of the cell. It can also synthesize transmembrane proteins that can...
17.9K
Average Acceleration
14.5K
The importance of understanding acceleration spans our day-to-day experiences, as well as the vast reaches of outer space and the tiny world of subatomic physics. In everyday conversation, to accelerate means to speed up. For instance, we are familiar with the acceleration of our car; the harder we apply our foot to the gas pedal, the faster we accelerate. The greater the acceleration, the greater the change in velocity over a given time. Acceleration is widely seen in experimental physics. In...
14.5K
Instantaneous Acceleration
23.3K
Acceleration is in the direction of the change in velocity, but it is not always in the direction of motion. When an object slows down, its acceleration is opposite to the direction of its motion. Although commonly referred to as deceleration, this causes confusion in our analysis as deceleration is not a vector, and does not point to a specific direction with respect to a coordinate system. Therefore, the term deceleration is not used. For example, when a subway train slows down, it...
23.3K

