AT89S51单片机基于语音识别技术的遥控小车设计+程序+电路图
毕业论文关键词 单片机 语音识别技术 LD3320 无线遥控 电机驱动 PWM
Title Title Title Title Designing of Telecontrol Car based on VoiceRecognition TechnologyAbstract Abstract Abstract Abstractsmart devices is becoming more and more popular.This design completed hardware design and software programming in controlsystem and voice recognition function of telecontrol car. In hardwaredesign, we used single-chip AT89S51 as the control core, supplemented bya speech recognition module to design the action of the car. This systemconsists of the major controller, motor drive circuit, LED display circuit,232 communication circuit, wireless communication circuit, speechrecognition module. SCM is the core of the entire car control system tocontrol all the modules. Using L298N chip drive two DC motors at the sametime makes the system control circuit more simplicity and high reliability.The design of the system uses pulse width modulation (PWM) to achieve theaccuracy of the DC motor speed and flexibility. Using speech recognitionchip LD3320 integrated speech recognition processor and some externalcircuitry to achieve a limited vocabulary-independent speech recognition.With LED display, it is characterized by high brightness and visual effectgood. This system can achieve car turning left, turning right, forward,backward, speed up, slow down functions through software programming.
Key Key Key Key words words words words SCM Voice Recognition LD3320 Telecontrol car Motor PWMWith the development of computer science and electronic technology
1绪论........5
1.1课题的研究的背景及意义1
1.3本课题主要研究内容及论文章节安排.2
1.4本章小结.3
2系统总体设计4
2.1课题的主要功能介绍和任务要求4
2.2系统功能模块的划分4
2.3方案总体比较与选择5
2.4系统原理框图5
2.5系统软件主要特色6
2.6本章小结.7
3系统硬件原理设计....8
3.1单片机控制模块.8
3.2语音识别与控制模块10
3.3无线遥控模块16
3.4直流电机驱动电路模块..20
3.5显示电路..23
3.6系统总体硬件电路图23
3.7本章小结..25
4系统软件程序设计........26
4.1单片机的C语言程序设计简介..26
4.2软件编程系统概述与总体程序设计流程图26
4.3语音识别模块LD3320的软件设计..27..