结果表明，修正系数的引入提高了电磁力的计算精度，可方便地应用于实际工程设计。
The result shows that the analytical model adding correction factors increases the computational accuracy of magnetic force and can be easily used for practical engineering design directly.
根据虚位移原理，推导出基于矢量磁势的电磁力计算公式。
According to the principle of virtual-work, the formula of electromagnetic force based on magnetic vector potential is deduced.
结构设计作为电磁计算、控制系统设计和相关分析的基础，我们更有必要对磁力轴承结构虚拟设计进行深入研究。
The structure design is the foundation of electromagnetism calculation, control system's design and other analysis, so we should take much count of the virtual design of magnetic bearings' structure.
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