基于知识蒸馏算法的非侵入式负荷监测方法及系统

By building a lightweight neural network model based on the knowledge distillation algorithm on edge devices, the deployment problem of non-intrusive load monitoring on the user side is solved, achieving efficient monitoring and identification of electrical equipment, and reducing communication costs and privacy risks.

CN119830999BActive Publication Date: 2026-07-17STATE GRID TIANJIN ELECTRIC POWER COMPANY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
STATE GRID TIANJIN ELECTRIC POWER COMPANY
Filing Date
2024-12-24
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing non-intrusive load monitoring methods require transmitting edge data to the cloud for training, resulting in high communication costs and privacy and security risks, making them inefficient to deploy on user-side edge devices.

Method used

A lightweight neural network model based on the knowledge distillation algorithm is adopted. By constructing teacher and student neural networks and combining data generation and knowledge distillation algorithms, the model is trained and validated on edge devices, reducing model parameters and computational load, and realizing the monitoring and identification of load devices.

Benefits of technology

The ability to quickly monitor and identify electrical devices on edge devices reduces the number of parameters and computational complexity in model training, decreases communication costs, and improves privacy and security.

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Abstract

本发明涉及一种基于知识蒸馏算法的非侵入式负荷监测方法及系统,包括以下步骤:步骤1、构建仿真数据集;步骤2、将该仿真数据集中的数据归一化处理得到模型训练、验证及测试的输入数据;步骤3、得到用于从总功率信号中分解出负荷设备消耗功率的教师负荷分解模型;步骤4、得到的网络模型即用于从总功率信号中分解出负荷设备消耗功率的学生负荷分解模型;步骤5、得到所需的最终学生负荷分解模型;步骤6、将仿真数据集中的测试总功率信号数据输入到步骤5的经过知识蒸馏算法训练后的最终学生负荷分解模型中,得到目标设备功率数据。本发明能够能够解决NILM技术在用户侧边缘设备上部署应用的问题。
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