中文摘要：

分析电磁轴承数字控制电路的硬件参数对其控制精度的影响。根据电磁轴承系统的控制要求，推导出其数字控制模型。在给定数字控制硬件参数的情况下，从理论上估算出电磁轴承系统所能达到的控制精度，为今后磁悬浮轴承系统数字控制器的设计及控制精度的预测提供了一种简洁高效的方法。

英文摘要：

The impact of active magnetic bearing digital controller hardware parameters on the control precision was analyzed. The digital control model was derived according to the control requirements of magnetic bearing system. Control accuracy was estimated in theory when numerical control system parameters were given. It provides a simple and efficient method for numerical controller design and control accuracy estimation.