Emergency Vehicle Intelligent Obstacle Evading System Design And Realization

With the rising of social car ownership and the growing experience of driving less driving force,road safety issues become increasingly prominent,intelligent vehicle obstacle avoidance system in road safety in the increasingly prominent role,the study of intelligent obstacle avoidance car is particularly important,so if the driver can predict traffic accidents in crisis situations the occurrence,and take corrective actions,then most of the accidents can be avoid or reduce the damage degree.Intelligent obstacle avoidance is a smart chip control.When the current side is at a distance from the obstacles,it can avoid the front obstacles intelligently,avoid accidents,and ensure the safety of vehicles.In this paper,in case of emergency the driver can not make timely measures and avoid obstacles in front can not be observed in front of the emergency phenomenon,put forward to design a set of emergency vehicle intelligent obstacle avoidance system,there are two major advantages: one is in the car when the distance is less than the safe distance from the vehicle in front of the obstacle,the smart chip to control the car will automatically slow down and turn right can avoid obstacles;two is when turning after only when the confirmation in the front no obstacle will continue moving in a straight line,otherwise it will immediately brake,to ensure traffic safety.The design of this system can be applied to the future intelligent driving vehicle,and it can automatically avoid the front obstacles.At the same time,the design has some commercial value at the same time,it can be used to develop intelligent toys and achieve economic benefits.In this paper,we study the related application characteristics of STM32F103 chip,research of ultrasonic circuit,motor drive circuit,temperature detection circuit,PWM speed regulation and related driver.The relevant peripheral circuits such as detection,driving and display of car are designed,properly applied professional knowledge of mechanical and electronic fields,combined with relevant implementation methods of actual circuit design,striving to combine theory with practice.Through the comparison,analysis and demonstration of different design schemes,the best scheme suitable for this design is obtained.In the process of the actual analysis of each scheme,a large number of experiments have been done,and a large number of experimental data have been obtained,and the best scheme is determined by analyzing various data.This design achieves the desired design requirements,and has the characteristics of ultra-low cost,high reliability,energy saving and so on.Through this design,it has exercised its own ability,and is also the best test for itself.