【摘要】 牙轮钻机的一种新型调速系统是以数字、逻辑和模拟电子集成电路为核心的数字模拟混合控制的晶闸管直流调速系统 ,控制和调节都是连续的 ,其工业试验的效果良好。本文重点介绍了该系统的技术方案和结构以及性能特点。更多还原

【Abstract】 The innovative speed regulating system for rotary drills is a crystal shutter pipe based DC regulating system which adopts the digital and analogue combined control system, the core of which is the digital, logic and analogue electronic integrated circuit. The control and regulation are non-stop, leading to desirable results in industrial tests. This paper deals with the technical conception, structure and performance characteristics of the system.更多还原