目 录
诚信声明
摘要
ABSTRACT
1 绪论............................................................................................................................................1
1.1 课题研究背景及意义 ..................................................................................................1
1.2 国内外研究现状............................................................................................................1
1.2.1 研究现状 ...............................................................................................................1
1.2.2 研究现状综述......................................................................................................3
1.3 本文主要研究内容及章节安排 .................................................................................3
2 系统总体方案设计.............................................................................................................4
2.1 控制要求 ..........................................................................................................................4
2.2 系统框架 ..........................................................................................................................4
2.3 模块选型 ..........................................................................................................................4
2.3.1 主控微处理器方案.............................................................................................4
2.3.2 测距模块方案......................................................................................................5
2.3.3 语音播报模块方案.............................................................................................6
2.3.4 显示模块方案......................................................................................................7
2.3.5 按键模块方案......................................................................................................7
2.3.6 制动方式方案......................................................................................................7
2.4 本章小节 ..........................................................................................................................8
3 系统硬件设计........................................................................................................................9
3.1 系统总体设计 .................................................................................................................9
3.2 主要硬件电路设计 ........................................................................................................9
3.2.1 控制核心电路设计.............................................................................................9
3.2.2 超声波检测电路设计 ......................................................................................10
3.2.3 激光检测电路设计...........................................................................................10
3.2.4OLED 显示电路设计........................................................................................11
3.2.5 语音播报电路设计...........................................................................................11
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