关于使用机器学习 (支持矢量机器) 识别轮子成员状况的研究
Jin-Han Lee1, Jun-Hee Lee2, Kwang-Su Yun1
1Busan Transportation Corporation, Busan 47353, Republic of Korea.
Sensors (Basel, Switzerland)
|October 28, 2023
概括
这项研究引入了一种使用传感器数据预测铁路车轮缺陷的新方法. 机器学习准确地对车轮状况进行分类,改善铁路安全和运营.
科学领域:
- 铁路工程 铁路工程是指铁路工程.
- 机器学习应用 机器学习应用
- 预测性维护是指预测性维护.
背景情况:
- 目前的铁路车轮管理依赖于出现问题后的事件后检查.
- 这种反应式方法对运营安全和效率构成风险.
- 需要积极的方法来检测和预测轮子异常.
研究的目的:
- 开发一种先进的方法,用于早期预测铁路轮异常.
- 为了提高机器学习算法的性能,用于轮状况分类.
- 通过预测性维护,提高铁路运营的安全性和可靠性.
主要方法:
- 从铁路车辆 (山地铁4号线) 的传感器收集实时运行数据.
- 分析了关键因素,并进行数据分布和相关性分析,以确定分类的关键参数.
- 应用机器学习算法,包括支持向量机 (SVM) 与线性和RBF内核,以及随机森林,使用加速数据.
主要成果:
- 确定了加速的z轴作为分类轮状况的重要因素.
- 在使用机器学习模型将铁路车轮分类为在使用中的或有缺陷的过程中实现了高精度.
- SVM (线性内核) 模型的识别率最高,为98.70%.
结论:
- 拟议的方法有效地使用加速数据预测铁路轮异常.
- 机器学习,特别是SVM (线性内核),为实时轮子状况监测提供了高度准确的解决方案.
- 实施这种预测方法可以显著提高铁路安全和运营效率.
相关概念视频
Rolling Resistance: Problem Solving
352
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...
352
Sequence Networks of Rotating Machines
105
A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
105
Relative Motion Analysis using Rotating Axes-Problem Solving
407
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
Here, in order to determine the magnitude of velocity and acceleration for point...
407
Force Classification
1.2K
Forces play a crucial role in the study of physics and engineering. They are essential in describing the motion, behavior, and equilibrium of objects in the physical world. Forces can be classified based on their origin, type, and direction of action.
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
1.2K
Bearings: Problem Solving
289
Understanding the calculations and concepts related to double-collar bearings is essential for engineers and designers to optimize the performance of these components in various applications. By analyzing the bearing under different conditions, one can ensure that it can withstand the forces and moments experienced during operation. This knowledge enables better decision-making when designing and selecting bearings for specific purposes and configurations. Consider a double-collar bearing with...
289
Classification of Systems-I
191
Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
191


