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Investigation of Control Theory on Pressure Drop Characteristics of Pneumatic Regulator for Gas Supply  

Cho, Nam-Kyung (한국항공우주연구원 추진제어팀)
Chung, Yong-Gahp (한국항공우주연구원 추진제어팀)
Cho, In-Hyun (한국항공우주연구원 추진제어팀)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.15, no.2, 2011 , pp. 74-83 More about this Journal
Abstract
For launcher applications, different from other applications, very high flow rate is required which can lead to supply pressure drop against required setting pressure. The supply pressure decrease is closely related to regulator characteristics. In this paper, supply pressure offset is investigated considering regulators as kinds of control systems. Pressure offset of self-operated regulator is analyzed with sensitive parameter defined as the ratio of valve travel to pressure offset. It is shown that pressure offset of self-operating regulator can be improved by incorporating proportional and integral controls and they can be materialized with pilot regulator systems.
Keywords
Pressure Offset; Gas Supply; Regulator; Pneumatic System; Pilot; Integral Control;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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