基于多变量信息融合和深度学习网络的变站设备温度预测
Lijie Sun1, Chunxue Liu2, Ying Wang3
1School of Electronics and Information Engineering, Taizhou University, Taizhou, Zhejiang, China.
PeerJ. Computer science
|June 22, 2023
概括
准确的变电站设备温度预测是具有挑战性的. 本研究提出了一种使用多变量信息融合,卷积神经网络 (CNN) 和封闭循环单元 (GRU) 的新方法,以提高预测准确度.
科学领域:
- 电气工程 电气工程
- 数据科学数据科学数据科学
- 人工智能的人工智能
背景情况:
- 由于季节性,不稳定性和有限的数据,变电站设备温度预测是复杂的.
- 传统的方法与热数据的动态和多变量性质作斗争.
研究的目的:
- 开发一种准确和可靠的方法来预测变电站设备温度.
- 利用多变量信息融合和深度学习来进行增强的热分析.
主要方法:
- 使用相关性分析的特征工程创建一个多变量信息融合特征向量 (MIFFV).
- 使用主要组件分析 (PCA) 减少MIFFV的维度,以获得减少的特征向量 (RFV).
- 深度学习模型,包括用于特征提取的卷积神经网络 (CNN) 和用于时间序列预测的门循环单位 (GRU).
主要成果:
- 结合环境,时间和空间特征的MIFFV显著提高了对单个或双重特征向量的预测性能.
- 拟议的CNN-GRU模型使用RFV作为输入,与其他四种模型相比,显示出更高的预测准确性.
- 评估指标包括平均绝对百分比误差 (MAPE) 和根平均平方误差 (RMSE).
结论:
- 拟议的多变量信息融合和深度学习方法有效地解决了变电站设备温度预测方面的挑战.
- CNN和GRU的整合为分析复杂的热力学提供了一个强大的框架.
- 这种方法为提高电力基础设施的可靠性和维护提供了一个有希望的解决方案.
相关概念视频
Equipments Used to Measure Body Temperature
1.1K
Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
1.1K
Temperature Measurement Sites
1.8K
A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
1.8K
Assessing Body Temperature - Temporal Artery
597
Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.
Step 3: Assess the patient's...
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.
Step 3: Assess the patient's...
597
Multi-input and Multi-variable systems
132
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
In the absence...
132
Maxwell-Boltzmann Distribution: Problem Solving
1.6K
Individual molecules in a gas move in random directions, but a gas containing numerous molecules has a predictable distribution of molecular speeds, which is known as the Maxwell-Boltzmann distribution, f(v).
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
1.6K
Multiple Regression
3.0K
Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
3.0K


