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增量式电液数字控制阀是利用步进电机作为电—机械转换器,并用数字信息直接控制的新型机电一体化液压控制元件。它的出现和应用为提高液压元件产品技术水平和计算机在液压与控制领域的应用开拓了新的方向。文章从电液数字控制阀的基本构成出发,在介绍其基本原理、特点、发展和应用概况的基础上,从液压阀组、机械转换器、步进电机、驱动器、微机控制等主要方面探讨了增量式电液数字控制阀开发中的若干技术问题。
Incremental electro-hydraulic digital control valve is the use of stepper motor as the electro-mechanical converter, and direct control of digital information with a new type of mechatronic hydraulic control components. Its emergence and application of hydraulic components to improve product technology and computer applications in the field of hydraulic and control has opened up a new direction. Based on the introduction of the basic principle, characteristics, development and application of electro-hydraulic digital control valve, the article discusses the main aspects of hydraulic valve, mechanical converter, stepping motor, driver and microcomputer control Several Technical Problems in the Development of Incremental Electrohydraulic Digital Control Valve.