应用OV6620数字摄像头实现小车的智能控制

文章介绍了带摄像功能的智能小车系统的结构:在MC9S12XSl28独立控制下,通过OV6620数字摄像头,主要实现摄像头功能控制、图像数据的采集和处理等;MSP430F449单片机作为主控器,通过CPU内16位CCR模块,对左右轮电机实现电机差速控制,以及车速检测、人机交互、测距等控制。该系统由于采用双CPU结构,图像处理和执行机构分别独立控制,系统控制的精度和响应的实时性得到较大提高。另外,借助LCD可及时了解系统的工作状态。该系统不但能实现循迹、避障,也可用于遥控搜索等场合。

Application of OV6620 Digital Camera in Intelligent Control of Multi-functional Car

This article introduces the structure of intelligent car system with camera function: Under the independent control of MC9S12XSl28 MCU,OV6620 digital camera is used to realize the pick-up head control,image data acquisition and processing,etc.With MSP430F449 CPU as a main controller,the 16 bit CCR module integrated in CPU is utilized to achieve the differential-speed control of left and right wheel of the motor as well as the car speed detection,human-computer interaction,distance measurement,etc.This system adopts double CPU structure,and the image-processing and actuating mechanism can be controlled by the each CPU independently.This method greatly improves the precision of system and the real time of response.In addition,the real-time working state of the system can be known through the LCD.This system can not only fulfill the functions of tracking and obstacle avoidance;but also be used for the occasions such as remote-searching,etc.