目 录艘......................................................................................................................IIAbstract..................................................................................Ill1 雜.............................................................................................11.1 研究目的和意义及国内外发展现状..................................................11-2 基木内容及章节安排...............................................................22 总体方案设计.................................................................................32.1 控制器智能项目........................................................................32.2 系统总体结构规划......................................................................43 系统硬件设计.................................................................................53.1 89C51 单片机及相关电路...............................................................53.1.1 晶振电路........................................................................63.1.2 复位电路........................................................................63.1.3 时钟电路........................................................................73.1.4 电源电路........................................................................93.2 步进电机...............................................................................93.3 键盘/显示接 U 电路....................................................................113.3 传感器................................................................................133.4 信号调理电路.........................................................................143.4.1 放大滤波电路..................................................................143.4.2 A/D 转换......................................................................144 系统软件设计................................................................................164.1 主程序软件设计.....................
