| 液压启闭机液压系统动态特性分析 |
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| 引用本文： | 陈永清,高伟,谭宗柒.液压启闭机液压系统动态特性分析[J].三峡大学学报(自然科学版),2009,31(5):49-52. |
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| 作者姓名： | 陈永清 高伟 谭宗柒 |
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| 作者单位： | 三峡大学,机械与材料学院,湖北,宜昌,443002 |
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| 摘 要： | 针对液压启闭机在工作时常出现低速爬行，以及加载或卸载时运动部件产生“后坐”或“前冲”的现象，在分析液压启闭机的组成及工作原理的基础上，运用经典控制理论，建立了某液压启闭机液压系统的数学模型，据此分析了该液压启闭系统的稳定性、抗干扰性和调速性，并获得了影响该系统动态特性的主要因素，并提出了改进方法．
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| 关 键 词： | 液压启闭机 液压系统 经典控制理论 动态特性 |
Analysis of Dynamic Characteristics of Hydraulic System of Hydraulic Hoist |
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| Chen Yongqing,Gao Wei,Tan Zongqi.Analysis of Dynamic Characteristics of Hydraulic System of Hydraulic Hoist[J].Journal of China Three Gorges University(Natural Sciences),2009,31(5):49-52. |
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| Authors: | Chen Yongqing Gao Wei Tan Zongqi |
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| Institution: | Chen Yongqing Gao Wei Tan Zongqi (College of Mechanical g〉 Material Engineering, China Three Gorges Univ. , Yichang 443002, China) |
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| Abstract: | According to the phenomenon of low velocity crawling and ＂recoiling＂ or ＂forward-rushing＂ of moving parts when the hydraulic hoist is loading or unloading. A mathematical model of the hydraulic system is established by using classical control theory, based on analyzing the composition and principle of hydraulic hoist. And then the stability, resistance to interference and controllability of the hydraulic hoist are analyzed. Finally, the influence factors on the dynamic characteristics of the hydraulic system are found out; and the improving methods are put forward. |
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| Keywords: | hydraulic hoist hydraulic system classical control theory dynamic characteristics |
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