期刊名称:IOP Conference Series: Earth and Environmental Science
印刷版ISSN:1755-1307
电子版ISSN:1755-1315
出版年度:2012
卷号:15
期号:5
DOI:10.1088/1755-1315/15/5/052027
出版社:IOP Publishing
摘要:Aiming at remote pressure-regulating system controlled by pilot overflow valve and based on dynamic-characteristics fundamental equation of distributed-parameter model in hydraulic pipelines, the mathematical model of remote-pressure-regulating hydraulic pipelines is deduced. Discussing the controllability of the remote pressure-regulating system shows that the controllability depends on the controllable maximum stiffness coefficient, which mainly includes the length and the inner radius of remote pressure-regulating pipeline, the spring stiffness coefficient of overflow valve, and the properties of hydraulic oil. And if a remote pressure-regulating system wants to work normally and avoid resonance, the conditions of controllable maximum stiffness coefficient must be derived. The concept, controllable maximum stiffness coefficient, and the mathematical models provide theoretical and practical instruction in study of hydraulic remote pressure-regulating system.