基于分频与锁相环的双工作物质核磁陀螺激励磁场快速闭环控制  

Fast Closed-loop Control of Excitation Magnetic Field in Dual Working Material Nuclear Magnetic Gyroscope Based on Frequency Division and Phase-locked Loop

作　　者：傅启 仰燕兰[1,2] 王翔宇 翟长伟[1,2] 牛丹 Fu Qi

机构地区：[1]东南大学自动化学院,江苏南京210096 [2]复杂工程系统测量与控制教育部重点实验室,江苏南京210096

出　　处：《工业控制计算机》2025年第2期114-116,共3页Industrial Control Computer

基　　金：国家自然科学基金(62373099)资助。

摘　　要：锁相环是最常用的核磁共振陀螺激励磁场闭环控制方案。双工作物质核磁陀螺具有良好的抗静磁场干扰能力,发展前景广阔,但是目前对锁相环在双工作物质核磁陀螺中的应用研究较少。提出一种基于陷波器组分频结合正交信号发生器锁相环的双工作物质核磁陀螺激励磁场快速闭环控制方案。相比传统锁相环闭环方案,仿真结果表明,采用所提出闭环方案的陀螺仪动态响应更迅速,系统稳定性更强,且量程可达2500°/s,带宽7 Hz,具有较好的应用前景。Phase locked loop is the most commonly used closed-loop control scheme for excitation magnetic field in nuclear magnetic resonance gyroscopes.The dual working material nuclear magnetic gyroscope has good resistance to static magnetic field interference and broad development prospects,but there is currently limited research on the application of phase-locked loops in dual working material nuclear magnetic gyroscopes.This paper proposes a dual working material nuclear magnetic gyroscope excitation magnetic field fast closed-loop control scheme based on notch filter group frequency division combined with quadrature signal generation-based phase-locked loop.Compared with the traditional phase-locked loop scheme,simulation results show that the gyroscope using the proposed closed-loop scheme has a faster dynamic response,stronger system stability,and a range of up to 2500°/s with a bandwidth of 7 Hz.

关 键 词：核磁共振陀螺仪 激励磁场闭环 频率分离 锁相环 量程带宽 

分 类 号：TN9[电子电信—信息与通信工程]