【作者】 杨光；

【导师】 秦永左；

【作者基本信息】 长春理工大学 ， 通信与信息系统， 2004， 硕士

【摘要】 汽车行驶记录仪是新一代高科技产品，可实时、准确地记录汽车行驶过程中的各种状态参数，并通过IC卡将记录仪采集的数据传送到系统微机里，通过专用的分析软件对采集到的数据进行分析，可以再现汽车行驶过程中的各种状态。一方面，便于交通管理部门以及汽车运营单位对汽车进行管理；另一方面，记录仪记录的信息还可以为交通事故发生的原因和公正处理提供了科学、权威的依据。 本文详细论述了由PIC单片机构成的汽车行驶记录仪系统的整体设计、单片机与存储器的接口设计、单片机与实时时钟的接口设计、速度传感器设计、小型开关电源设计的基本工作原理，系统硬件及软件实现方法，以及软件流程、数据格式约定和用户界面的设计。通过采用具有哈佛结构的PIC单片机，不但提高了系统的实时处理速度而且增强了系统的抗干扰能力；在超速时，通过采用声光报警及时准确地提醒司机要减速行驶。更多还原

【Abstract】 Automobile travel recorder is new a acting high-tech product, but real time record automobile accurately the course of traveling in various state parameters, and through IC card deliver the data of recorder collection systematic personal computer in, analyse through the data for special purpose that analysis software goes to for collection, can reappear automobile the course of traveling in various states. On the one hand is convenient for traffic management department as well as automobile operation unit for automobile manage; On the other hand the information of recorder record can still think the basis and that reason and just handling have offered science and authority that traffic accident occurs. This paper have discussed in detail the automtibile that becomes by PIC single flat organization travel the basically working principle of recorder systematic overall design, the interface design of memory and single flat machine, the interface design of the single flat machine and clock of real time, speed sensor design and the small-sized switch design of power source, systematic hardware and software realization method, as well as software process and data form the design of the user interface stipulated. Through adopting have Ha the PIC only flat machine of Buddha structure, not only, have raised the ability of interference rejection with which systematic real time handles speed and has strengthened system; When exceeding the speed limit, through adopting acousto-optic report to the police remind driver in time accurately will slow down to travel.更多还原