基于STM32的车速自动控制系统设计  

Design of Vehicle Speed Automatic Control System Based on STM32

作　　者：王映月 张浩然[1] 

机构地区：[1]浙江师范大学数理与信息工程学院,浙江金华321004

出　　处：《工业控制计算机》2018年第6期135-136,139,共3页Industrial Control Computer

摘　　要：设计了一种基于STM32的车速自动控制系统,该系统能够通过图像处理方法自动调节PWM波的输出。利用图像传感器实时捕捉图像,并传输图像信息到单片机,利用单片机内部边缘检测算法实现路标检测,并通过降维、分类等图像处理方法实现限速路标上的数字识别,单片机基于识别信息输出相应PWM波以驱动电机。系统测试结果表明,该系统能实时检测、识别限速路标信息并实现PWM波调制,满足车速自动控制要求。Based on STM32 platform,a kind of vehicle speed automatic control system is designed in this paper.The system can automatically adjust the output of PWM wave by image processing method.Image sensor can capture images in real time,then transfer image to MCU,and MCU will encode the edge detection algorithm for road sign detection.Through the dimension reduction,classification and other image processing methods to achieve speed limit based on the digital identification.Based on the identification information,the microcontroller outputs the corresponding PWM wave to drive the motor.

关 键 词：路标识别 嵌入式系统 PWM输出控制 STM32 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术] U463.6[自动化与计算机技术—计算机科学与技术]