THERMAL SCIENCE

International Scientific Journal

Authors of this Paper

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Dongyi Jia

,

Zhuo Li

,

Farooq Haqi

,

Mohammed Yousuf

GRAVITY MEASUREMENT METHOD OF SOLID ROCKET DRIVE BASED ON SWITCHED RELUCTANCE MOTOR SYSTEM

ABSTRACT
Solid rocket drive system based on switched reluctance motor is established through the working principle of switched reluctance motor, and the closed-loop precise control of solid rocket drive system digitization is realized by the control method of pulse width modulation technology. The gravity value of solid rocket drive system is measured by the vertical deviation measurement method based on attitude error observation. The attitude datum of solid rocket drive system is obtained by the relationship between the vertical deviation and the attitude error of solid rocket drive system. The state space of solid rocket drive system is established by the attitude datum obtained. The horizontal gravity component estimation model of the real gravity value of the solid rocket drive system is established by the state space model, and the accurate gravity value of the solid rocket drive system is obtained by the estimation model. The simulation results show that the method can effectively measure the gravity value of solid rocket driving system, and the errors of measuring the gravity of solid rocket driving system are less than 1%.
KEYWORDS
switched reluctance motor system, rocket engine, driving coefficient, gravity value
PAPER SUBMITTED: 2021-01-14
PAPER REVISED: 2021-07-07
PAPER ACCEPTED: 2021-07-10
PUBLISHED ONLINE: 2021-10-17
DOI REFERENCE: https://doi.org/10.2298/TSCI2106011J
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2021, VOLUME 25, ISSUE Issue 6, PAGES [4011 - 4018]
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Gravity measurement method of solid rocket drive based on switched reluctance motor system

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence