Meanwhile, according to the present state that each proportional vale need a individual controller, this paper raise a research direction of designing a widely acceptable controller in order to adept to various proportional valve.

• 同时,本课题还针对目前液压领域普遍存在的“有多少种比例阀,就有多少种比例阀控制器”的现状,提出一种研究方向,即研制出一种通用的比例阀控制器,来适配各种比例阀。