Calibration experiment of liquid level sensor of launch vehicle

Yongjin Tang; Xuehua Tang; Zhang Yong; Zhiyong Zhou

doi:10.1117/12.2640069

9 May 2022 Calibration experiment of liquid level sensor of launch vehicle

Yongjin Tang, Xuehua Tang, Zhang Yong, Zhiyong Zhou

Proceedings Volume 12252, International Conference on Biometrics, Microelectronic Sensors, and Artificial Intelligence (BMSAI); 1225205 (2022) https://doi.org/10.1117/12.2640069
Event: International Conference on Biometrics, Microelectronic Sensors, and Artificial Intelligence (BMSAI), 2022, Guangzhou, China

Abstract

Non toxic and pollution-free cryogenic liquid propellant is widely used in the propulsion system of space vehicle. At the same time, higher requirements are put forward for the liquid level height monitoring sensor in liquid propellant. In order to judge whether the low-temperature capacitive liquid level sensor in the new generation launch vehicle meets the application requirements, a set of low-temperature liquid level test device is designed, and strict calibration test experiments are carried out before it is put into use. Therefore, liquid nitrogen is selected as the liquid medium, and the servo motor control system, grating ruler measurement system and data acquisition and processing system are used to simulate the sensor. The designed capacitance type liquid level sensor can meet the real-time calibration requirements of the low-temperature liquid level sensor through the low-temperature test.

Citation Download Citation

Yongjin Tang, Xuehua Tang, Zhang Yong, and Zhiyong Zhou "Calibration experiment of liquid level sensor of launch vehicle", Proc. SPIE 12252, International Conference on Biometrics, Microelectronic Sensors, and Artificial Intelligence (BMSAI), 1225205 (9 May 2022); https://doi.org/10.1117/12.2640069

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