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浙江大学学报(工学版)
J4  2011, Vol. 45 Issue (10): 1821-1826    DOI: 10.3785/j.issn.1008-973X.2011.10.021
能源与机械工程     
较大密闭容腔的高精度水压控制
聂勇, 王庆丰, 唐建中
浙江大学 流体传动及控制国家重点实验室,浙江 杭州 310027
High precision pressure control in large closed water volume
NIE Yong, WANG Qing-feng, TANG Jian-zhong
State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China
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摘要：

为了精确模拟水下特种设备工作环境中外部水压的动态变化过程,检验密封装置的密封性能,提出一种基于电液力控制的水压控制方法.设计并建立包含压力传递装置、电液力控制系统等部分的较大密闭容腔水压控制系统.通过分析系统的数学模型,提出“Fuzzy+PID”复合控制策略进行水压控制.在建立的实验系统上进行实验研究.实验结果表明,水压可控范围为0.1～10 MPa,稳态误差为±0.04 MPa,压力无失真斜坡跟踪最大速率可达±2 MPa/s.
Abstract:

A water pressure control method was proposed based on electro-hydraulic pressure control in order to simulate the dynamic water pressure of the special equipment worked and test the performance of sealing device. A large closed volume water pressure control system, including the pressure transfer device and electro-hydraulic pressure control system, was designed. A “Fuzzy+PID” compound control strategy was proposed by analyzing the model of the water pressure control system. Experimental results show that the control range of the pressure is from 0.1 MPa to 10 MPa, the steady-state error is ±0.04 MPa, and the maximum slope trail is ±2 MPa/s.
出版日期: 2011-10-01
:  TH 137  
基金资助:

国家自然科学基金资助项目（50875233）， 国家“863”高技术研究发展计划资助项目(2009AA044402).
通讯作者: 王庆丰，男，教授，博导.     E-mail: qfwang@zju.edu.cn
作者简介: 聂勇（1982—），男，博士生，从事电液控制及数字控制技术的研究.E-mail: nyong168@126.com
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引用本文:

聂勇, 王庆丰, 唐建中. 较大密闭容腔的高精度水压控制[J]. J4, 2011, 45(10): 1821-1826.

NIE Yong, WANG Qing-feng, TANG Jian-zhong. High precision pressure control in large closed water volume. J4, 2011, 45(10): 1821-1826.

链接本文:

https://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2011.10.021    或    https://www.zjujournals.com/eng/CN/Y2011/V45/I10/1821

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