使用电动驱动系统的VToMe-BiGRU算法进行长期和短期故障预测
Lihui Zheng1,2, Xu Fan3, Zongshan Kang2
1Faculty of Mechanical and Electrical Engineering, Quzhou College of Technology, Quzhou, Zhejiang, 324000, China.
Scientific reports
|July 2, 2025
概括
本研究介绍了VToMe-BiGRU用于电动汽车的电动驱动系统故障预测. 新方法提高了准确性和速度,提高了电动汽车的可靠性和安全性.
科学领域:
- 汽车工程 汽车工程
- 人工智能的人工智能
- 机器学习 机器学习
背景情况:
- 电动驱动系统对于新能源汽车至关重要,需要可靠的运行.
- 确保这些系统的稳定性和效率对于防止事故至关重要.
- 现有的故障预测方法可能缺乏实时应用所需的速度或准确性.
研究的目的:
- 为电动驱动系统开发一个创新的故障预测架构.
- 在视觉变压器 (ViT) 和双向门式反复单元 (BiGRU) 中结合令牌合并 (ToMe) 的优势,以提高性能.
- 提高电动汽车故障预测的准确性,可靠性和效率.
主要方法:
- 将代币合并 (ToMe) 算法嵌入视觉变压器 (ViT) 中,以创建VToMe算法.
- 将VToMe算法与双向门式反复单元 (BiGRU) 网络相结合,形成了VToMe-BiGRU架构.
- 将VToMe-BiGRU架构应用于现实世界的电动汽车维护数据集,以进行实验验证.
主要成果:
- 在多类故障分类中,VToMe-BiGRU架构实现了93.49%的平均准确性,比ViT++的性能优于0.12%.
- 推断速度提高了28% (32 FPS vs. 25 FPS),平衡了精度和实时效率.
- 短期预测显示复杂故障的根平均平方误差 (RMSE) 为6.33和74.7%,超过传统模型的20%以上.
结论:
- VToMe-BiGRU架构为EV驱动系统的实时诊断提供了一个强大的框架.
- 该方法有效地检测到关键故障,尽量减少假阳性,提高系统可靠性和降低维护成本.
- 这种方法支持主动安全措施,并改善电动汽车的整体性能.
相关概念视频
Node Analysis for AC Circuits
380
Consider an angioplasty system featuring a catheter equipped with a turbine, a critical tool for removing plaque deposits from coronary arteries. This intricate medical device operates using a circuit model reminiscent of a dual-node RLC circuit powered by a current-controlled voltage source.
To unravel the complexities of this system, nodal analysis is employed, a powerful technique founded on Kirchhoff's current law (KCL), which remains valid for phasors. AC circuits can effectively be...
To unravel the complexities of this system, nodal analysis is employed, a powerful technique founded on Kirchhoff's current law (KCL), which remains valid for phasors. AC circuits can effectively be...
380
Electro-mechanical Systems
1.2K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
1.2K
Multimachine Stability
234
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
234
Net Torque Calculations
9.7K
When a mechanic tries to remove a hex nut with a wrench, it is easier if the force is applied at the farthest end of the wrench handle. The lever arm is the distance from the pivot point (the hex nut in this case) to the person’s hand. If this distance is large, the torque is higher. Only the component of the force perpendicular to the lever arm contributes to the torque. Therefore, pushing the wrench perpendicular to the lever arm is more advantageous. If multiple people apply force to...
9.7K
Distributed Loads: Problem Solving
743
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
743
Power System Three-Phase Short Circuits
150
Determining the subtransient fault current in a power system involves representing transformers by their leakage reactances, transmission lines by their equivalent series reactances, and synchronous machines as constant voltage sources behind their subtransient reactances. In this analysis, certain elements are excluded, such as winding resistances, series resistances, shunt admittances, delta-Y phase shifts, armature resistance, saturation, saliency, non-rotating impedance loads, and small...
150


