Firstly, the principle, structure and functions of GCU and hardware constitution are introduced.Then the theories of PID control, adaptive control and fuzzy control are introduced.

• 本文首先介绍了全数字控制器的工作原理、控制器的功能、硬件组成及软件的总体结构，接着设计了控制器的数字调压算法和故障诊断隔离软件算法。