一种新的边缘作物方法和增强的YOLOv5,用于高效地检测风力轮机叶片损坏
Boyu Feng1, Bo Liu2, Li Song3,4
1College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot, 010051, China.
Scientific reports
|July 1, 2025
概括
一种新的方法通过专注于叶片图像和使用增强的YOLOv5s网络来改进风力轮机叶片损伤检测. 这种方法显著提高了检测小和多样化的损害的准确性.
科学领域:
- 工程 工程师 工程师 工程师
- 计算机科学 计算机科学
- 人工智能的人工智能
背景情况:
- 风力轮机的安全依赖于精确的叶片损伤检测.
- 当前的深度学习方法在刀片图像中难以处理复杂的背景.
- 纤细的叶片几何导致显著的非叶片背景干扰.
研究的目的:
- 开发一种用于改进风力轮机叶片损坏检测的新方法.
- 为了减轻背景干扰和提高图像利用率.
- 为了提高检测小和可变形状损坏的准确性.
主要方法:
- 提出了一种新的边缘裁剪方法,以专注于叶片区域.
- 开发了一个增强的YOLOv5s网络 (EC-EY),包含一个全球关注机制.
- 将SPPF模块替换为基于注意力的尺度内特征交互模块.
主要成果:
- 边缘裁剪方法通过刀片边缘特征自适应地修改了裁剪步伐.
- 增强的YOLOv5网络可以更好地检测小型和可变形状的损坏.
- 在风力轮机叶片损坏数据集上,EC-EY取得了出色的表现.
结论:
- 拟议的边缘裁剪方法显著提高了风力轮机叶片损坏检测的准确性.
- EC-EY有效地减少了背景干扰,提高了检测性能.
- 这种新的方法为安全的风力轮机运行提供了一个有希望的解决方案.
相关概念视频
Wind Turbine Machine Models
216
In the growing field of wind energy, incorporating wind turbine models into transient stability analysis is essential. Induction and synchronous machines are the primary models used, with induction machines being prevalent due to their simplicity and reliability.
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
216
Design Example: Calculating Safe Diameter for Wind-Exposed Disc
183
Assessing safety in wind-exposed installations is crucial to preventing potential failures. This example explores the calculation and design adjustments needed to mount a circular disc on a building facade, where wind forces are a primary concern. A 4-meter diameter disc was initially designed as an aesthetic feature facing winds at a velocity of 25 meters per second, with an air density of 1.25 kilograms per cubic meter. Given these conditions, the drag force on the disc was determined using...
183
Reducing Line Loss
197
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss...
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss...
197
Normal and Shear Force
2.6K
When a beam is subjected to different loads, such as weight, pressure, or other external forces, internal forces are generated within the beam. These forces can have a significant impact on the overall stability and strength of the structure. Engineers use various methods to analyze and determine the magnitude and direction of these internal forces. One common technique used to determine internal forces in beams is the method of sections. This method involves considering an imaginary point or...
2.6K
Light Acquisition
8.6K
In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
8.6K
Turbine-Governor Control
401
Turbine-governor control is crucial for maintaining power system stability by balancing turbine mechanical power output with electrical load demand. This mechanism ensures that generator frequency and rotor speed are within acceptable limits during load variations. Turbine-generator units store kinetic energy due to their rotating masses; this energy is released to meet the load requirement when the load increases. The electrical torque of turbines rises to meet the demand, whereas the...
401


