本文介绍计算机控制大系统现场干扰分析及治理对策,并论述了谐波和干扰源及其耦合方式以及入侵途径。针对侵入途径采取相应的对策和抑制的有效措施。 This article introduces the computer control system on-site interference analysis and control strategies, and discusses the harmonic and interference sources and their coupling as well as ways of invasion. Effective measures to take appropriate countermeasures and inhibitions against the path of invasion.