1.前言 电子技术的迅速发展,大大推动了机械工业的技术进步,也促进了机械产品的革新,传统的机械产品正向着机电一体化方向发展,而机械制造业也相应地发生重大变革。这种把机械技术同电子技术有机地结合起来的所谓“机械电子技术”正在迅速地发 1. Preface The rapid development of electronic technology has greatly promoted the technological progress of the machinery industry and also promoted the innovation of mechanical products. The traditional mechanical products are developing in the direction of mechatronics, and the mechanical manufacturing industry has undergone major changes accordingly. This so-called “mechanical and electronic technology” that organically combines mechanical technology with electronic technology is rapidly developing.