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本文通过分析负荷传感控制特点,以日本小松PC200、PC220挖掘机液压系统为典型,全面分析其负荷传感(OLSS)液压控制原理,并简要介绍PC系列OLSS发展概况。
In this paper, by analyzing the characteristics of load sensing control and taking the hydraulic system of Japan Komatsu PC200 and PC220 as an example, this paper analyzes the principle of hydraulic control of load sensing (OLSS) and gives an overview of the development of PC series OLSS.