【摘要】：智能交通燈的研究對(duì)我國(guó)的道路安全、城市規(guī)劃、節(jié)能減排等具有非常重要的意義.本研究以STC89C52作為控制芯片,以九點(diǎn)模糊為控制算法,設(shè)計(jì)一個(gè)智能交通燈控制系統(tǒng).外圍電路包括紅外避障電路、信號(hào)采樣電路、語(yǔ)音計(jì)數(shù)電路、A/D轉(zhuǎn)換電路,當(dāng)監(jiān)控到闖紅燈現(xiàn)象時(shí)給出語(yǔ)音安全提示并觸發(fā)計(jì)數(shù)電路計(jì)數(shù).系統(tǒng)采用九點(diǎn)模糊控制算法對(duì)各個(gè)方向的車(chē)流量的比值進(jìn)行比較來(lái)實(shí)現(xiàn)對(duì)紅綠燈時(shí)間的自適應(yīng)調(diào)整.整個(gè)系統(tǒng)控制靈活便捷,能達(dá)到"忙道長(zhǎng)通,閑道短通"的目的,具有良好的實(shí)時(shí)性.
[Abstract]:The research of intelligent traffic lights is of great significance to road safety, urban planning, energy saving and emission reduction in China. In this paper, an intelligent traffic light control system is designed with STC89C52 as the control chip and nine points fuzzy as the control algorithm. The peripheral circuits include infrared obstacle avoidance circuit, signal sampling circuit, voice counting circuit, and A / D conversion circuit. When the red light phenomenon is monitored, the voice safety prompt is given and the counting circuit is triggered. A nine point fuzzy control algorithm is used to compare the ratio of traffic flow in each direction to realize the adaptive adjustment of traffic light time. The whole system is flexible and convenient, can achieve the purpose of "busy road long, idle road short link", and has good real-time performance.
【作者單位】： 西南大學(xué)電子信息工程學(xué)院;
【基金】：國(guó)家級(jí)大學(xué)生創(chuàng)新創(chuàng)業(yè)訓(xùn)練計(jì)劃項(xiàng)目(201410635007) 西南大學(xué)本科生科技創(chuàng)新基金項(xiàng)目(1332003) 新世紀(jì)優(yōu)秀人才支持計(jì)劃項(xiàng)目(教技函[2013]47號(hào)) 國(guó)家自然科學(xué)基金項(xiàng)目(61372139,61101233,60972155) 教育部“春暉計(jì)劃”科研項(xiàng)目(z2011148) 留學(xué)人員科技活動(dòng)項(xiàng)目擇優(yōu)資助項(xiàng)目([2012]186號(hào)) 中央高�；究蒲袠I(yè)務(wù)項(xiàng)目(XDJK2014A009,2013B011)
【分類(lèi)號(hào)】：U491.51

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本文編號(hào)：2274388