公交客车乘客计数技术的研发进展

准确统计公交客车的乘客数量对于合理调度公交车辆、优化公交线路、提高公交营运效率具有重要意义。本文对公交客车乘客计数技术的研发进展作了系统地研究概述。这些技术建立在公交IC卡信息提取、压敏踏板、被动式红外、主动式红外、主-被动复合式红外及图像处理的基础上,公交IC卡信息提取技术、压敏踏板技术、被动式红外技术、主动式红外技术和图像处理技术的代表性器件分别是公交IC卡系统、压敏传感器、热释电红外传感器、红外光电传感器、摄像及图像处理设备。

Counting passengers＇ amount on the buses accurately is of great significance for scheduling public transport vehicles reasonably, optimizing bus lines and improving the operating efficiency.The progress of research and development on bus passenger counting technologies were summarized systematically in the paper.These technologies are based on information extraction from IC card, pressure sensitive pedal, passive infrared, active infrared, active-passive compound infrared and image processing.The representative devices of information extraction technology from IC card, pressure sensitive pedal technology, passive infrared technology, active infrared technology and image processing technology are bus IC card system, pressure sensitive sensors, pyroelectric infrared sensors, infrared Photoelectric sensors, cameras and image processingequipments respectively.