针对现有的船舶交通管理系统及被动防撞装置在通航桥梁上的局限性，以及解决水运交通的快速发展与船、桥相撞事故频发矛盾的迫切性，文中提出了以超声波、红外线复合探测为主要手段并将探测到的数据进行比较、分析的桥梁桥体主动防撞报警系统方案。通过对研究现状的分析，设计了系统方案以及硬件系统和软件系统。最后，通过系统模型的验证表明：该系统可以实现对超高船舶进行自动报警，有效地防止船撞桥体事故的发生，保护桥梁和船舶的安全。%According to the limitations of existing vessel traffic management system and passive anti-collision device on the bridge-collision-avoidance matter, and the urgency of solving the contradiction between rapid development of shipping traffic and bridge-collision accidents, we put forward the project on the active anti-collision alarm system of bridge body by the primary method which combined infrared detection with ultrasonic detection,comparing and analyze the detected data. We designed the project of system, hardware system and software system by analyzing the current studies. Finally, through the validation of the model system, it was showed that our system can achieve automatic alarming to the ships which were over-height,and effectively prevented the ship hitting the bridge body.Consequently,the security of bridge body were better protected.
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