1.前言 近来,在各工业领域内,电气液压伺服机构在应用,正在兴起。电气液压伺服机构把电子设备用作信号处埋部分,把油压用作操作分部,以便与有效地发挥各自的特长。 1. Introduction Recently, electric hydraulic servo systems are being applied in various industrial fields and are on the rise. Electro-hydraulic servos use electronic equipment as a signal burying part and hydraulic pressure as an operating part in order to effectively exert their own advantages.