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| Conceptual Design of a Flexible Hydraulic System of the Excavator Robot |
| GAO Feng1, FENG Pei-en2, GAO Yu1 |
1.The Institute of Mechanical Design, Zhejiang University, Hangzhou 310027, China;
2.The State Key Laboratory of Fluid Power Transmission and Control, Hangzhou 310027, China |
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Abstract This paper analyzes principles and structures of various kinds of hydraulic systems of excavator with the help of the methods of construction design, and a new type of bypass channel control valve was designed to realize an unique hydraulic system of excavate robot, with which various kinds of hydraulic systems such as constant flow control, summation horse power control, negative control, positive control, and load sensing control systems may be achieved flexibly with simple structure and regulation. Several new types of energy saving control and intelligent control strategies of excavator have also been developed with the help of the flexible hydraulic system of the excavator robot that has been mentioned.
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Published: 15 September 2001
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挖掘机器人柔性液压系统的方案设计
运用设计方法学的原理,对各种挖掘机液压控制系统在原理和结构上的异同进行了系统比较和分析,自行设计了一种新型的旁路回油阀,研制了独特的挖掘机器人液压系统.该系统能“柔性”地运用定量控制、恒功率变量控制、负流量控制、正流量控制、负荷传感控制及其复合控制等各种原理,结构简单可靠,调整方便.借助于这一独特的柔性液压控制系统,开发了多种新型的挖掘机节能和智能控制方案.
关键词：
挖掘机器人,
液压系统,
柔性控制,
方案设计
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