Research on Roll Attitude Estimation Algorithm for Precision Firefighting Extinguishing Projectiles Based on Single MEMS Gyroscope
Jinsong Zeng, Zeyuan Liu, Chengyang Liu
TL;DR
This paper introduces a new method to estimate the roll angle of firefighting projectiles using a single gyroscope, improving accuracy and reducing costs.
Contribution
A novel adaptive filtering algorithm is proposed for roll attitude estimation without external sensors.
Findings
The proposed method achieves high-precision roll angle estimation using a single MEMS gyroscope.
The algorithm reduces system complexity and dependency on external sensors like GPS or radar.
It enables low-cost and high-reliability attitude control for firefighting projectiles.
Abstract
The accurate acquisition and real-time calculation of the attitude angle of precision firefighting extinguishing projectiles are essential for ensuring stable flight and precise extinguishing agent release. However, measuring the roll attitude angle in such projectiles is challenging due to their highly dynamic nature and environmental disturbances such as fire smoke, high temperature, and electromagnetic interference. Traditional methods for measuring attitude angles rely on multi-sensor fusion schemes, which suffer from complex structure and high cost. This paper proposes a single-gyro attitude calculation method based on micro-electromechanical inertial measurement units (MIMUs). This method integrates Fourier transform time-frequency analysis with a second-order Infinite Impulse Response (IIR) bandpass filtering algorithm optimized by dynamic coefficients. Unlike conventional…
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Taxonomy
TopicsFire Detection and Safety Systems · Evacuation and Crowd Dynamics · Fire dynamics and safety research