论文部分内容阅读
比例控制的电液随动系统动作准确,快速性高,并能防止外界干扰。它的输入、输出和各级中的信号都是“摸拟”式的。这种随动系数在尺寸大小、功率与重量之比、对各种传动系统的适应性以及容易维修等方面都符合大多数的要求。但是,“数字”式的电液控制装置则是最近的一个发展方向:数字式信号结构更加简单可靠,因为它只需要两种信号形态。模拟式电液控制装置要将数字计算机的输出转换成模拟量,以及反过来将反馈信号转换成数字的输入数据,所需的对接装置都不能给出直接的解答,却需要复杂的设备,
Proportional control of the electro-hydraulic servo system with accurate action, high speed, and to prevent external interference. Its inputs, outputs and signals at all levels are “analog”. This compliance factor meets most requirements in terms of size, power to weight ratio, adaptability to various drive systems, and ease of maintenance. However, the “digital” type of electro-hydraulic control device is a recent development: digital signal structure is more simple and reliable, because it only requires two signal forms. Analogue electro-hydraulic control devices To convert the output of a digital computer to analog and, in turn, to convert the feedback signal to digital input data, the required docking device can not give a direct answer but requires sophisticated equipment,