YOLO-SS-Large:一个轻量级和高性能模型用于子站的缺陷检测
Qian Wang1, Lixin Yang1, Bin Zhou2
1Qujiang Campus, School of Electrical Engineering, Xi'an University of Technolgy, Xi'an 710048, China.
Sensors (Basel, Switzerland)
|October 14, 2023
概括
一个新的YOLO-SS大型模型增强了活跃配电网中的变电站缺陷检测. 这种轻量级模型提高了速度和精度,这对于安全和稳定的电网运行至关重要.
科学领域:
- 电气工程 电气工程
- 人工智能的人工智能
- 计算机视觉 计算机视觉
背景情况:
- 活跃的配电网正在越来越多地采用可再生能源.
- 这些电网中的电站面临着及时检测缺陷和缓慢检查响应的挑战.
- 这些问题对活跃配电网的安全和稳定运行构成风险.
研究的目的:
- 提出一个高性能,轻量级的模型用于变电站缺陷检测.
- 为了提高复杂的变电站环境中小物体缺陷的检测.
- 提高智能变电站检查的整体效率和准确性.
主要方法:
- 基于YOLOv5m的YOLO-SS大型模型的开发,结合FasterNet结构以提高轻量级性能.
- 引入了一种新的NWD-CIoU损失函数,将标准化瓦瑟斯坦距离 (NWD) 和完整的交叉点 (CIoU) 融合在一起,以提高小物体检测.
- 集成一个动态头部模块来统一规模意识,空间意识和任务意识的注意力机制.
主要成果:
- 与YOLOv5m相比,YOLO-SS大型模型实现了0.3%的平均精度改进.
- 在每秒 (FPS) 中显示了43.5%的提升,表明速度增加.
- 实现了41.0%的参数减少,突出了它的轻量化性质.
结论:
- YOLO-SS大型模型为变电站缺陷检测提供了显著增强的全面性能.
- 该模型有效地满足智能变电站检查的速度和精度要求.
- 这一进步对于促进主动配电网的信息化和智能化建设至关重要.
相关概念视频
01:21Power System Three-Phase Short Circuits
94
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...
94
01:25Power System Distribution
243
Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...
The transmission system is designed...
243
01:21Electrical Systems
397
In electrical engineering, the analysis of networks composed of passive linear components — resistors (R), capacitors (C), and inductors (L) — is fundamental. These components are organized into circuits where the relationship between input and output can be analyzed using transfer functions. The transfer function of an RLC circuit, which relates the voltage across a capacitor to the input voltage, can be derived using Kirchhoff's laws.
To derive the transfer function, consider...
To derive the transfer function, consider...
397
01:23Instrument Transformers
92
Instrument transformers, comprising voltage transformers (VTs) and current transformers (CTs), play crucial roles in power substations by providing isolated replicas of current or voltage for measurement and protection purposes. Voltage transformers reduce the primary voltage to levels suitable for relay operation and measurement, while current transformers scale down the primary current. The primary winding of a current transformer often consists of a single turn, achieved by threading the...
92
01:20Differential Relays
149
Differential relays are used to protect generators, buses, and transformers by comparing electrical quantities at different points. When a fault occurs, the difference in current between the two points triggers the relay to operate, opening the circuit breaker. Under normal conditions, the current entering (i1) and leaving (i2) a generator are equal. When a fault occurs, however, these currents become unequal, and the difference current flows in the relay operating coil, causing the relay to...
149
01:23Lumber Defects
128
Lumber defects, which can affect both the appearance and structural integrity of wood, include a variety of growth and manufacturing flaws. Growth defects such as knots and knotholes occur where branches were once attached to the tree trunk, with knotholes forming when these knots fall out. Other natural defects include decay and insect damage, which compromise the wood's strength and durability.
Shakes are minor fractures that run along or across the wood's annual rings, while wane is...
Shakes are minor fractures that run along or across the wood's annual rings, while wane is...
128