Real-time estimation for roll angle of spinning projectile based on phase-locked loop on signals from single-axis magnetometer

Zhaowei Deng, Qiang Shen*, Zilong Deng, Jisi Cheng

*此作品的通讯作者

科研成果: 期刊稿件文章同行评审

6 引用 (Scopus)

摘要

As roll angle measurement is essential for two-dimensional course correction fuze (2-D CCF) technology, a real-time estimation of roll angle of spinning projectile by single-axis magnetometer is studied. Based on the measurement model, a second-order frequency-locked loop (FLL)-assisted third-order phase-locked loop (PLL) is designed to obtain rolling information from magnetic signals, which is less dependent on the amplitude and able to reduce effect from geomagnetic blind area. Method of parameters optimization of tracking loop is discussed in the circumstance of different speed and it is verified by six degrees of freedom (six degrees of freedom (DoF)) trajectory. Also, the measurement error is analyzed to improve the accuracy of designed system. At last, experiments on rotary table are carried out to validate the proposed method indicating the designed system is able to track both phase and speed accurately and stably. The standard deviation (SD) of phase error is no more than 3°.

源语言英语
文章编号839
期刊Sensors
19
4
DOI
出版状态已出版 - 2 2月 2019

指纹

探究 'Real-time estimation for roll angle of spinning projectile based on phase-locked loop on signals from single-axis magnetometer' 的科研主题。它们共同构成独一无二的指纹。

引用此

Deng, Z., Shen, Q., Deng, Z., & Cheng, J. (2019). Real-time estimation for roll angle of spinning projectile based on phase-locked loop on signals from single-axis magnetometer. Sensors, 19(4), 文章 839. https://doi.org/10.3390/s19040839