無線感網路之模糊控制交通號誌系統

A Real-time Fuzzy Traffic Control System in Sensor Network

黃景煥(Jing-Huan Huang)

指導教授 ： 謝振榆

國立虎尾科技大學/電機資訊學院/光電與材料科技研究所/碩士(2012年)

https://doi.org/10.6827/NFU.2012.00223

摘要

目前交通系統以連鎖號誌方式紓解車流量，一旦車流動向改變，再加上混合道路(汽機車共用)眾多，使得連鎖號誌控制上缺乏時相(紅燈時間、綠燈時間)彈性。本研究使用模糊控制系統利用隸屬函數及規則庫建立，來改善連鎖號誌的時相(綠燈時間、紅燈時間)彈性。
交通系統所偵測數據越多，越能夠掌握交通情形，而偵測車流量使用鋪面佈設式與非侵入式偵測器進行偵測，目前鋪面佈設能夠測得車速、車輛、車種三種數據，本論文將無線傳輸與壓電感測器結合，利用無線傳輸特性將轉向車輛數據傳回偵測端，將對於指向性交通號誌(左右轉、直行)更能夠發揮指向性的時間管理；無線傳輸以網路拓樸式傳輸，目的可收集轉向車輛數據，另一方面確保資料正確性，在傳輸過程中，發現傳輸斷路，可透過另外無線傳輸將資料傳回到目的地，而確保資料正確性。
目前市面上常見無線傳輸已ZigBee與nrf24L01最為廣泛，而ZigBee具有內設拓樸式傳輸功能性，然而nrf24L01具有一對六星狀傳輸模式，本研究使用無線傳輸型號(nrf24L01)，完成網路拓樸式傳輸方式，市面上價格ZigBee比nrf24L01貴五倍，主要ZigBee無線傳輸模組多附加單晶片作為傳輸聯盟協定。

關鍵字

壓電感測器 ； 模糊控制系統 ； 連鎖號誌 ； 網路拓樸式傳輸

並列摘要

The current transportation system to relieve traffic congestion by chain semaphores algorithm way, with the CBD(city business district) changes to affect direction of traffic movement, in addition to many hybrid roads (cars and motorcycles share) in the national local, makes the lack of chain semaphores algorithm control phase (red time, green time) flexibility. In this study, fuzzy control system can be used to establish membership functions and rule base to improve control phase flexibility of chain semaphores algorithm.
Transport system detected more data, the more be able to master traffic situation, detection of traffic using the pavement laid-type and non-intrusive detectors to detect, the pavement laid-type be able to measured vehicle speed, vehicle number, and vehicle types. This paper will combine wireless and piezoelectric sensors, the use of wireless will transmit to the turn the vehicle data to detect side, and the directional traffic signal (left and right turn, straight) can play a more management signals time phase.
Currently the market has been common wireless ZigBee and nrf24L01 most widely used, and ZigBee transmission-type topology with functional features. However, it has a pair of six star nrf24L01 transmission mode, the wireless transmission model used in this study (nrf24L01), It was complete the network topology Park-style transmission, ZigBee market price five times more expensive than nrf24L01, ZigBee wireless module attached single-chip multi-league as a transport protocol.

並列關鍵字

Piezoelectric sensor ； Fuzzy control systems ； Chain signals

參考文獻

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[26].Yi-Sheng Huang ,Ta-Hsiang Chung (2008) "Modeling and Analysis of Urban Traffic Lights Control Systems Using Timed CP-nets",Journal of information science and engineering 24, 875-890.

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