文档介绍：目录
摘要··········································································Ⅰ
Abstract·····································································Ⅱ
第1章绪论·································································1
课题背景·····························································1
发展趋势·····························································1
第2章方案论证···························································3
传动方案的论证·····················································3
控制元件的分析······························