机构地区: 内蒙古农业大学机电工程学院
出 处: 《内蒙古农业大学学报(自然科学版)》 2010年第2期269-272,共4页
摘 要: 电液比例控制是现代液压工业和控制工程的重要技术之一,以PLC作为控制器,可以充分利用PLC控制可靠、功能强大、使用灵活的特点,实现电液比例系统位置参数的控制。本文针对电液比例系统的电气控制要求,选择了适宜的PLC机型,设计了主电路与控制电路,通过编写程序,满足了电液比例系统中模拟量与开关量的采集与输出要求。 Electro-hydraulic proportional control technique is one of the important techniques in modern hydraulic industrial and control engineering.The PLC controller,which has the characteristics of reliable control,enhanced functionality and flexible use,can control the poision parameters of electro-hydraulic proportional system very well.Given the electric control requirements of the electro-hydroulic proportion system,the proper type of PLC is selected in this paper.And the main circuit and the control circuit are designed.With the PLC program,the collection and output of analog quantity and switching value in electro-hydraulic proportional control system can be achieved.
领 域: [自动化与计算机技术] [自动化与计算机技术]