The concept of electronic diagnosis and preventive maintenance system was introduced, the basic architecture of e-DPMS based on Internet was presented, and the method to realize the e-PDSM in the elevator control system was discussed.

• 介绍e-DPMS(远程诊断与预维护系统)的基本概念,提出基于Internet网络的e-DPMS的基本构架,并以电梯系统为例进一步论述了基于Internet网络的e-DPMS的实现方法。