业设计(论文
题 目 智能声控小车
英文题目 The intelligent voice control dolly
学生姓名 鄢泽伟 学 号 08063124 指导教师 陈坚老师 专 业 电子科学与技术
二零
11年11月
)
毕
摘 要
语音处理技术是一门新兴的技术,它不仅包括语音的录制和播放,还涉及语音的压缩编码和解码,语音识别等各种处理技术。以往做这方面的设计,一般有两个途径:一种方案是单片机扩展设计,另一种就是借助于专门的语音处理芯片。采用凌阳公司的SPCE061A16位单片机作为语音控制小车的检测和控制核心,配合SPCE061A的语音特色,利用系统的语音播放和语音识别资源,通过控制I/O接口电路传输控制信息,从而控制全桥驱动电路最终实现多功能语音控制小车的基本功能。利用编程进行语音的“训练”和“识别”。设计出具有如下功能的语音声控小车:能够根据录制的语音命令来控制小车的启动、停止、返回、拐弯。
关键词:SPCE061A,语音识别,全桥驱动,小车
Abstract
Speech processing technology is a new technology, it
includes not only the voice recording and playback, and in the speech compression encoding and decoding, speech recognition and all kinds of processing technology. Before the design, generally there are two ways: a single chip design scheme is extended, and the other is by special speech processing chip.Based on the voice characteristics of MCU Sunplus SPCE061A,the small car of muhifunction voice—controlled was designed.The car system is composed of voice recognition and voice broadcast,and its transmission and controlling information is controlled by I/O interface circuit.In order to
control full bridge drive circuit at last the basic functions of
muhifunctional voice-controlled small car are realized.We use programming for voice \and \It has the following features: According to recorded the voice command to control the car to start, stop, return, and turn.
Key words: SPCE061A,Speech Recognition,Full-bridge driver,Trolley
目 录
第一章 绪论??????????????????? 1
1.1 引言????????????????????? 1 1.2 目前的发展概况????????????????? 1 1.3 智能声控的应用研究??????????????? 1 1.4 课题的提出背景与实际意义?????????????1
第二章 系统方案??????????????????3
2.1 总体方案选择?????????????????? 3 2.2 系统硬件方案?????????????????? 4 2.3 系统软件方案?????????????????? 5
第三章 系统硬件设计???????????????? 6
3.1 车体介绍??????????????????? 6
3.1.1 小车的行走原理????????????????7 3.2 控制板原理?????????????????? 9 3.2.1全桥驱动原里??????????????????9 3.2.2 动力电机驱动?????????????????11 3.2.3 方向电机控制电路????????????????12 3.3 芯片特性简介?????????????????? 14 3.3.1 SPCE061A特性简介????????????????14 3.3.2 开发板61板简介?????????????????15 3.4 电源模块???????????????????? 15
第四章 系统软件设计?????????????????16
4.1 系统的主程序流程?????????????????16
4.1.1 初始化部分?????????????????? 16 4.1.2 训练部分??????????????????? 17 4.1.3 识别部分??????????????????? 17 4.1.4 重训操作??????????????????? 17
4.2 主函数模块程序????????????????? 17
4.3 语音识别的原理?????????????????? 18 4.4 语音训练识别程序????????????????? 18 4.5 语音动作子程序?????????????????? 19 4.6 中断子程序???????????????????? 22
结论???????????????????????? 24 致谢???????????????????????? 25 参考文献?????????????????????? 26 附录???????????????????????? 27
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