車che輛liang偵zhen測ce器qi為wei道dao路lu交jiao通tong資zi料liao收shou集ji係xi統tong重zhong要yao一yi環huan，為wei執zhi行xing道dao路lu交jiao通tong管guan理li應ying具ju備bei的de基ji本ben設she備bei，所suo有you交jiao通tong管guan理li策ce略lve必bi須xu依yi賴lai資zi料liao收shou集ji係xi統tong的de資zi訊xun，方fang能neng製zhi定ding與yu執zhi行xing交jiao通tong管guan理li策ce略lve。資zi料liao收shou集ji係xi統tong除chu了le具ju有you提ti供gong即ji時shi資zi料liao的de功gong能neng外wai，長chang期qi所suo蒐蒐集ji的de歷歷史shi性xing資zi料liao能neng夠gou提ti供gong交jiao通tong規gui劃hua單dan位wei作zuo為wei擬ni定ding交jiao通tong管guan製zhi及ji規gui劃hua的de基ji本ben資zi料liao。
一般的車輛偵測器包括感測器(Sensor)及終端控製器(Controller)liangbufen，zhongduankongzhiqiweijiejieqianduandeganceqi，jiangcheliangziliaoyunsuanchuli，bingyukongzhizhongxindezhongyangkongzhiqizuotongxunlianxian，jiangsuoshoujidezhenceziliaojishihuodingshichuanhuijiaokongzhongxinzhiziliaoshoujichulisheshi。tongxun採yongshujuzhuanxianfangshichuanshu，ranershujuzhuanxiandejiashe，xuyaolumiankaiwa，jiaopianyuandiquwufajiashe，zaochengshezhishangdekunrao。zhuanxianduanxianshi，ziliaoyiyishi，xuyaomaoguideziliaoshoujiqi，xitongjianzhishixuyaopangdadekaifa。 本例中，MA8與偵測裝置直接透過RS-232介jie麵mian連lian結jie，讀du取qu現xian場chang所suo擷xie取qu之zhi數shu據ju，係xi統tong除chu了le可ke以yi減jian少shao開kai挖wa及ji設she置zhi上shang的de困kun擾rao外wai，快kuai速su建jian立li偵zhen測ce站zhan，運yun用yong協xie定ding分fen析xi方fang式shi，與yu車che流liu偵zhen測ce係xi統tong結jie合he，將jiang傳chuan來lai的de大da量liang資zi料liao分fen析xi成cheng一yi筆bi筆bi的de資zi料liao再zai經jing由youGPRS網路及Internet將傳送至交通管理中心。除傳輸車輛偵測資料外，此案例同時透過MA8的Digital I/O偵zhen測ce不bu斷duan電dian係xi統tong，可ke告gao知zhi管guan理li中zhong心xin現xian場chang供gong電dian狀zhuang況kuang。交jiao通tong管guan理li中zhong心xin結jie合he其qi他ta係xi統tong所suo獲huo得de的de資zi訊xun，製zhi定ding與yu評ping估gu交jiao通tong控kong製zhi策ce略lve，並bing將jiang相xiang關guan資zi訊xun傳chuan送song給gei用yong路lu人ren，以yi達da到dao運yun輸shu效xiao率lv最zui大da化hua及ji提ti昇sheng運yun輸shu安an全quan等deng目mu標biao。
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