第1页共72页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共72页目录第一章绪论.............................................................51.1引言...............................................................................................................................51.2研究背景及国内外发展现状.......................................................................................61.2.1研究背景............................................................................................................61.2.2国外发展状况....................................................................................................71.2.3国内研究现状....................................................................................................71.3本论文课题来源和研究内容.......................................................................................81.3.1课题来源............................................................................................................81.3.2研究内容............................................................................................................81.4论文结构安排...............................................................................................................8第二章体系结构设计......................................................102.1数控系统体系结构.....................................................................................................102.2技术要求.....................................................................................................................102.2.1主要性能指标..................................................................................................102.2.2系统输入输出接口要求...............................................................................122.2.3精度指标.......................................................................................................132.2.4其他要求.......................................................................................................142.3总体结构分析.............................................................................................................142.4软硬件功能划分.........................................................................................................162.4.1软硬件功能划分的原则..................................................................................162.4.2软硬件功能划分的具体实现..........................................................................182.5硬件系统划分.............................................................................................................192.6板级功能划分.............................................................................................................212.6.1CPU子系统.....................................................................................................212.6.2FPGA子系统..................................................................................................212.6.3DA转换子系统...............................................................................................222.6.4信号隔离与转换子系统..................................................................................22第2页共72页第1页共72页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共72页2.6.4电源子系统.................
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