一种航空永磁发电机功率控制系统及方法

By combining inner-loop and outer-loop control strategies with a PI controller, the problems of high load requirements and complex operation in the constant power output control of aircraft permanent magnet generators are solved, achieving efficient and simplified power control and improving the system's dynamic response and power-to-weight ratio.

CN121077307BActive Publication Date: 2026-07-17SHAANXI AVIATION ELECTRICAL

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHAANXI AVIATION ELECTRICAL
Filing Date
2025-09-24
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing constant power output control methods for aircraft permanent magnet generators have high load requirements, are complex to operate, and are limited by the rated speed of the motor, resulting in reduced efficiency and high maintenance costs.

Method used

By employing inner-loop and outer-loop control strategies, combined with a PI controller, Clarke and Park converters, and an SVPWM module, the target power control of the aircraft permanent magnet generator is achieved through phase current detection and motor electrical angle calculation. The magnetic field strength is optimized using a modulation ratio field weakening module, and the sampling conditions are simplified to improve the system power-to-weight ratio.

Benefits of technology

It achieves efficient power control of aircraft permanent magnet generators under minimal sampling conditions, simplifies the operation process, reduces system complexity and maintenance costs, and improves the system's dynamic response capability.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明提供一种航空永磁发电机功率控制系统及方法,所述方法包括:将给定转速与来自功率计算模块的反馈功率的差值经PI控制器后得到的结果作为电流环控制信号的输入,将调制比弱磁模块的输出值作为电流环控制信号的输入,通过相电流检测电路进行两相电流采样,经Clarke和Park变换转换得到dq旋转坐标系中和,将作为电流环的反馈值,将作为电流环的反馈值,将输入与做差得到第一结果,将输入与做差得到第二结果,第一结果经电流PI控制器输出,第二结果经电流PI控制器输出,和经Park逆变换得到和,经SVPWM模块输出六路控制信号驱动逆变器工作,使发电机输出目标功率。可用于任意航空永磁发电控制系统功率控制。
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