A new method, which uses grey theory and eigenmatrix combined with moment invariants to identify the orbit of shaft centerline of hydroelectric generating set is discussed in this paper.

• 文中运用灰色系统理论的关联度分析方法，利用不变性矩作为特征向量，对水轮发电机组轴心轨迹的自动识别进行了探讨。