（四）步进电机驱动芯片的选型 ..................................................................................................- 46 -

（五）整体电路图的设计 ..............................................................................................................- 49 -

（六）本章小结 .................................................................................................. 错误！未定义书签。

五 程序部分的设计 ................................................................................................................................- 49 -

（一）流程图设计 ..........................................................................................................................- 49 -

（二）程序设计 ..............................................................................................................................- 52 -

（三）本章小结 .................................................................................................. 错误！未定义书签。 结论与展望..............................................................................................................................................- 57 - 参考文献..................................................................................................................................................- 58 - 致谢 .........................................................................................................................................................- 59 - 外文文献...................................................................................................................... 错误！未定义书签。

（一）原文 .......................................................................................................... 错误！未定义书签。

（二）翻译 ......................................................................................................................................- 60 -