为了使小车具有简易智能，在自动行驶的同时完成检测金属位置，显示行驶路程，记录并显示行驶时间，躲避障碍物等任务。通过传感器采集外部环境信号，在经过单片机对信号进行处理并对执行机构进行控制．小车可以实现自动寻迹，测量路程，检测金属，躲避障碍物等多种任务。设计的小车具有结构简单、功能齐全、实现容易等优点，其设计的思路和方法也可应用于无人驾驶机动车、智能仓库等领域，具有较强的实用价值。%In order to make the small car possessed the simple intelligences, at the same time, it can examine the metals position and give us an alarm in the process of automatic driving. It also can show the distance traveled, record and display the running time, avoid the stumbling block etc. The small car can collect signals of external environment by sensor, process signal by single-chip machine, control the executive. It can realize automatically seeking trace, measuring the distance, examining metals, avoiding the stumbling block etc. Design of the car has the advantages of simple structure, full-featured and easy to implement. This design has great application worth because ideas and methods of its design can also be used for non-human driving vehicles ,non-human factories and warehouses.
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