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 the performance index, and were compared with the expected requirements, identify deficiencies, improvement.