压缩机故障诊断和结果可视化基于视觉变压器的融合和改进的剩余网络
Xianling Duan1, Shaolin Hu2, Sijing Wang3
1School of Information and Control Engineering Jilin Institute of Chemical Technology, Jilin, Jilin, 132000, China.
Heliyon
|September 16, 2024
概括
这项研究引入了一种新的深度残留收缩视觉网络 (DRS-ViT),用于精确地诊断石油化工行业压缩机故障,在识别设备故障时达到99.5%的准确性.
科学领域:
- 机械工程 机械工程
- 人工智能的人工智能
- 石化工程是石油化学工程的重要组成部分.
背景情况:
- 压缩机故障诊断对于石化生产的安全性和效率至关重要.
- 传统方法往往缺乏复杂工业环境所需的准确性和及时性.
研究的目的:
- 为及时检测和诊断压缩机故障开发一个高度准确和强大的深度学习模型.
- 利用先进的深度学习架构来增强功能提取和压缩机操作数据的分类.
主要方法:
- 构建了一个深度残留收缩视觉网络 (DRS-ViT),集成了一个修改后的残留网络 (ResNet) 和视觉变压器 (ViT).
- 将压缩机振动信号转换为使用格拉米安角总和场 (GAF) 的格拉米安角总和场 (GASF) 图像.
- 使用ResNet进行初始特征提取,然后使用ViT进行故障分类.
主要成果:
- DRS-ViT模型实现了99.5%的故障诊断准确度.
- 模型可视化证实了其有效识别特定故障点的能力.
- 对比分析验证了该模型的优越有效性和稳定性与其他方法相比.
结论:
- DRS-ViT模型为石化行业的压缩机故障诊断提供了一个高度准确和可靠的解决方案.
- 将GASF成像与DRS-ViT集成展示了复杂机械健康监测的有希望的方法.
- 这些发现支持采用先进的人工智能技术来改善工业设备的维护和运营完整性.
相关概念视频
01:21Energy Losses in Transformers
843
In an ideal transformer, it is assumed that there are no energy losses, and, hence, all the power at the primary winding is transferred to the secondary winding. However, in reality, the transformers always have some energy losses, and, hence, the output power obtained at the secondary winding is less than the input power at the primary winding due to energy losses.
There are four main reasons for energy losses in transformers.
The first cause can be the high resistance of the...
There are four main reasons for energy losses in transformers.
The first cause can be the high resistance of the...
843
01:27Transformers in Distribution System
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Transformers in distribution systems can be broadly categorized into distribution substation transformers and other distribution transformers. They are crucial for stepping down high transmission voltages to levels suitable for distribution and end-user applications.
Distribution substation transformers come in various ratings and typically use mineral oil for insulation and cooling. To prevent moisture and air from entering the oil, some transformers use an inert gas like nitrogen to fill the...
Distribution substation transformers come in various ratings and typically use mineral oil for insulation and cooling. To prevent moisture and air from entering the oil, some transformers use an inert gas like nitrogen to fill the...
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01:26The Ideal Transformer
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In single-phase two-winding transformers, two windings are coiled around a magnetic core characterized by cross-sectional area A and magnetic permeability μ. A phasor current i1 enters the left winding while i2 exits the right winding, establishing the fundamental working of the transformer through electromagnetic principles.
Ampere's Law forms the basis of understanding the magnetic field within the transformer. It states that the integral of the magnetic field intensity's...
Ampere's Law forms the basis of understanding the magnetic field within the transformer. It states that the integral of the magnetic field intensity's...
364
01:19Three-Winding Transformers
216
Three identical single-phase transformers can be configured to form a three-phase transformer connection, which involves high-voltage and low-voltage windings. The high-voltage windings are denoted by capital letters A-B-C, while the low-voltage windings are labeled with lowercase letters a-b-c, representing their respective phases. This notation helps distinguish between the high and low voltage sides of the transformer.
In the per-unit equivalent circuit of a grounded Y-Y three-phase...
In the per-unit equivalent circuit of a grounded Y-Y three-phase...
216
01:16Types Of Transformers
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Transformers can provide desired voltages to a circuit by modifying the number of turns in the secondary windings.
If the ratio of the number of turns in the secondary winding to that of the primary winding is greater than one, then the transformer is said to be a step-up transformer. In a step-up transformer, the voltage at the secondary winding is greater than the voltage applied at the primary winding.
However, if this ratio is less than one, the transformer is said to be a step-down...
If the ratio of the number of turns in the secondary winding to that of the primary winding is greater than one, then the transformer is said to be a step-up transformer. In a step-up transformer, the voltage at the secondary winding is greater than the voltage applied at the primary winding.
However, if this ratio is less than one, the transformer is said to be a step-down...
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01:23Instrument Transformers
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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...
76