公交车上的电子计数器的设计-微电子学与固体电子学专业论文.docxVIP

PAGE PAGE 3 公交车上的电子计数器的设计 摘要 随着社会经济的高速增长，在城市人口高速增长的同时，城市居民出行量 迅速提高，造成交通拥挤。而城市公共交通系统的顺畅与否直接影响着城市经济 运行的效率和市民生活的品质。因此，各国政府纷纷增加城市公共交通的投入， 但是，巨额财政投入并不是一般大中城市都能获得的。本论文以现有的公共交通 运输车辆系统为基础，适当改良，增加车辆载客人数情况动态监测，把动态信息 及时发回中心调度室和电子站牌，让中心调度室及时了解当时的车载乘客人数情 况，以便针对当时的拥挤状况及时加或减车运营，也让下站等待的乘客了解即将 到站的车辆的载客人数及时作出相应的乘车选择。 本论文分为三部分: 第一部分：绪论。分析了国内外城市公共交通发展历史与趋势。阐述了发 展城市公共交通的重要作用。介绍我国目前城市公共交通车辆调度方法，并研究 存在的问题。提出该论文的选题依据，阐明了本课题研究的主要内容与方法，研 究基本思路和研究的目的与意义。 第二部分：阐述该论文的设计内容。即传感器感应门，计数器，显示译码 器，信号传输。即：从前后门通过热释电传感器感应上下人信号，把信号采集后 送入计数器进行计数，最后在车上显示出当时车上人数以及把信号传递到中心调 度室与下站的电子站牌。 第三部分：总结内容并展望未来。 关键字:城市公共交通 公共交通信息服务系统 动态监测 传感器 计数器 显示器 传输 Bus design of the electronic counter Abstract With high-speed economic growth, rapid growth in urban population, the rapid increase in the volume of urban transport, resulting in traffic congestion. Urban public transport system or a direct impact on the smooth urban economic operation efficiency and the quality of life of the people. Therefore, governments have increased the input of urban public transportation, but not a huge financial investment and medium-sized cities in general can be obtained. In this paper, the existing system of public transport vehicles, based on appropriate improvements to increase the number of passengers the vehicle dynamic monitoring of the situation, the dynamic information center sent back in time scheduling rooms and e-stop poles,Scheduling Room Center to keep abreast of the car at that time the number of passengers in order for the crowded situation at the time plus or minus a timely vehicle operation, also under the station waiting for passengers to understand the imminent arrival of the vehicles in time to make a corresponding number of passengers traveling choise. This paper is divided into three parts: Part I: Introduction. Analysis of urban public transport development at home and abroad and the trend of history. Urban development on the important role of public transport. Introduced Chinas current urban public transport schedul