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解決方案

智能紅綠燈系統解決方案

發布時間:2016-09-22     來源:恒達智慧

紅綠燈系統如果無法精確感知車道車流,則只能通過固定配時來控制路口,對實際的車流變化無法快速做出反應,而采用地感線圈或視頻采集的方式則存在一定的缺陷。地感線圈可以精確感知車流,但是易損壞且不易維護;視頻采集則存在準確性差且成本高的不足。采用武漢恒達的無線地磁車輛檢測器,則可以很好的彌補前者的不足,使得紅綠燈的智能化控制因低成本易維護且精確感知而進行規?;瘧贸蔀榭赡?。

 

拓撲圖如下:

                                  解決1.png

 

  在每個車道以全埋的方式埋設恒達無線地磁車輛檢測器MACNODE-3,可以實時檢測車輛的占道時長和車頭時距,以不超過100毫秒的延時經接收主機發送至信號控制機,可以很好的滿足信號控制機對檢測信號的實時性和準確性的要求。恒達無線地磁車輛檢測器因埋設的位置不同,作用也有所區別。埋設在靠近停止線附近的檢測器,提供給信號機車流數據;埋設在路段中間或遠離停車線的位置則可為信號機提供排隊長度;埋設在出口處的位置則可以為信號機提供車流的溢出數據。

 

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