The invention relates to the technical field of expressway variable information safety, in particular to a safety protection method for an expressway variable information sign system, and the method comprises the steps: obtaining the display state of each LED lamp on each LED display sign in the expressway variable information sign system in real time; each influence parameter influences the information content on each LED display sign; determining the association strength of various display combinations on each LED display sign and each influence parameter; obtaining the time dimension receivability of the current display combination on each LED display sign; determining an influence coefficient between each LED display sign and the adjacent LED display sign; and obtaining a display coefficient of the current display combination of each LED display sign, and performing safety judgment on the current display combination of each LED display sign. According to the invention, the safety and accuracy of the display combination of each LED display sign are improved.
本申请涉及高速公路可变信息安全技术领域,具体涉及一种高速公路可变信息标志系统的安全防护方法,该方法包括:实时获取高速公路可变信息标志系统中的各LED显示标志上各LED灯的显示状态;以及影响各LED显示标志上信息内容的各影响参数;确定各LED显示标志上的各种显示组合与各影响参数的关联强度;得到各LED显示标志上当前的显示组合的时间维度可接收性;确定各LED显示标志与其相邻LED显示标志之间的影响系数;获取各LED显示标志的当前显示组合的显示系数,对各LED显示标志的当前显示组合进行安全判定。本申请提高了各LED显示标志的显示组合的安全性和准确性。
Safety protection method of highway variable information sign system
一种高速公路可变信息标志系统的安全防护方法
02.05.2025
Patent
Elektronische Ressource
Chinesisch
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