论文根据期望的电磁铁性能要求,首先确定了电磁体的设计步骤,然后利用Matlab程序进行分析计算,得出各项性能指标,并与期望的要求进行对照,找出不足之处,加以改善.-Paper based on the expected performance requirements electromagnet, first determine the design steps electromagnet, and then analyzed using Matlab program calculated th