一种永磁同步电机电流控制方法、装置及电子设备

By employing a closed-loop feedback modulation method and a convolutional neural network prediction compensation method, the current loop saturation problem of permanent magnet synchronous motors was solved, thereby improving the system's stability and dynamic response and ensuring the safety and efficiency of new energy vehicles.

CN122026765BActive Publication Date: 2026-07-17HANGZHOU GONGSHU DISTRICT HOLOGRAPHIC INTELLIGENT TECHNOLOGY RESEARCH INSTITUTE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HANGZHOU GONGSHU DISTRICT HOLOGRAPHIC INTELLIGENT TECHNOLOGY RESEARCH INSTITUTE
Filing Date
2026-04-13
Publication Date
2026-07-17

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Abstract

本发明公开了一种永磁同步电机电流控制方法、装置及电子设备。该方法包括：计算当前电压调制度与预设上限的偏差，通过调节生成虚拟转速增量，将其叠加至实际转速得到等效查表转速；利用等效查表转速查询静态关联关系表获取基准电流指令，以实现抗饱和控制；同时，采集电机历史运行状态数据并提取一阶及二阶变化率，将原始数据与变化率映射为二维特征矩阵；将该矩阵输入预训练的卷积神经网络提取动态趋势特征，输出动态补偿电流；最终将基准指令与补偿电流叠加以控制电机。本发明通过“虚拟转速”主通道保证电压安全，通过“二阶趋势图像化”补偿通道消除动态误差和参数漂移，实现了全工况下的最优电流控制。
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