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Optimization Study on the Pump and Valve Matching Characteristics of Positive Flow Excavator Boom Confluence Loop
Author(s): 
Pages: 41-44
Year: Issue:  2
Journal: Chinese Hydraulics & Pneumatics

Keyword:  excavatorspump and valve matchingthrottle optimization;
Abstract: 以SY215C8M型液压挖掘机为研究对象,对正流量挖掘机液压系统的动臂合流路的泵阀匹配特性进行了研究.提出了改善泵阀匹配控制特性的优化方案,利用粒子群算法对U型节流阀口的节流特性进行优化,得到了具有较优节流特性的节流阀口结构参数.搭建了实验平台,结果表明:该方案可有效的降低多路换向阀阀口的压力波动和压力损失.
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