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近日，隨(sui)著重慶(qing)地鐵五號(hao)(hao)線一期(qi)信號(hao)(hao)系(xi)統互聯互通(tong)交(jiao)叉(cha)測試的成功，裝備(bei)中國通(tong)號(hao)(hao)完全自主(zhu)CBTC信號(hao)(hao)系(xi)統的重慶(qing)軌(gui)道交(jiao)通(tong)5號(hao)(hao)線率(lv)先(xian)具備(bei)互聯互通(tong)條(tiao)件(jian)，標志著由中國通(tong)號(hao)(hao)打造的全球首條(tiao)互聯互通(tong)地鐵即將孕育而生。

長期以來，由于不同地(di)(di)(di)鐵(tie)線路車(che)載(zai)信(xin)號(hao)(hao)設(she)備與地(di)(di)(di)面信(xin)號(hao)(hao)設(she)備間無法(fa)“交(jiao)流”，導(dao)致列車(che)跨(kua)線運(yun)行一(yi)(yi)直是(shi)一(yi)(yi)項(xiang)世(shi)(shi)界(jie)(jie)性難題，國外曾努力(li)嘗試但始終沒(mei)有實現不同廠家(jia)間的地(di)(di)(di)鐵(tie)信(xin)號(hao)(hao)系(xi)統(tong)互(hu)(hu)通(tong)(tong)。在(zai)我國，隨著以中國通(tong)(tong)號(hao)(hao)CBTC信(xin)號(hao)(hao)系(xi)統(tong)為代(dai)表的自主知識產(chan)權信(xin)號(hao)(hao)系(xi)統(tong)的成熟應(ying)用，我國已編制(zhi)出了適應(ying)中國國情(qing)的互(hu)(hu)聯互(hu)(hu)通(tong)(tong)技術(shu)標準，真正意義上建立(li)了不同廠家(jia)之(zhi)間、車(che)載(zai)信(xin)號(hao)(hao)系(xi)統(tong)與地(di)(di)(di)面信(xin)號(hao)(hao)系(xi)統(tong)之(zhi)間，互(hu)(hu)相兼(jian)容、互(hu)(hu)相“交(jiao)流”的基礎，一(yi)(yi)舉解(jie)決了這(zhe)個世(shi)(shi)界(jie)(jie)性難題。地(di)(di)(di)鐵(tie)互(hu)(hu)聯互(hu)(hu)通(tong)(tong)后，可以滿足(zu)乘客一(yi)(yi)站式“直達”的需求，減少客流換乘壓(ya)力(li)，降低(di)地(di)(di)(di)鐵(tie)建成本資，大幅度提(ti)高(gao)車(che)輛(liang)利用率和運(yun)營效率。

上圖為建設中的重(zhong)慶(qing)地鐵5號線

重(zhong)慶(qing)5號線(xian)(xian)裝備的(de)FZL300型CBTC互(hu)聯(lian)互(hu)通(tong)(tong)信號系統(tong)是中(zhong)國通(tong)(tong)號自主研(yan)發，為城(cheng)市軌(gui)道(dao)交通(tong)(tong)“互(hu)聯(lian)互(hu)通(tong)(tong)”量身定制的(de)基(ji)于無線(xian)(xian)通(tong)(tong)信的(de)移動(dong)閉塞系統(tong)，可(ke)實現列車(che)(che)最小90秒追(zhui)蹤間隔。在原有(you)CBTC列車(che)(che)控制系統(tong)的(de)基(ji)礎上(shang)，該系統(tong)可(ke)實現列車(che)(che)不降(jiang)速降(jiang)級跨線(xian)(xian)運(yun)營(ying)至其它線(xian)(xian)路，并支(zhi)持其它線(xian)(xian)路車(che)(che)輛(liang)進入本線(xian)(xian)運(yun)行，滿足城(cheng)市軌(gui)道(dao)交通(tong)(tong)未來聯(lian)通(tong)(tong)聯(lian)運(yun)需求，對節約旅客(ke)出行時間、提高城(cheng)市軌(gui)道(dao)交通(tong)(tong)運(yun)營(ying)效率具有(you)重(zhong)要意義。

重(zhong)慶地(di)(di)鐵5號(hao)線（一(yi)(yi)期）工(gong)程(cheng)北起園博中(zhong)心站南至跳蹬站，線路(lu)長39.75km，設車站25座，最高(gao)運行(xing)時(shi)速可達100公里。工(gong)程(cheng)分(fen)段建設開(kai)通，其中(zhong)首通段擬于2017年底開(kai)通運營，成為(wei)全(quan)球首條實現(xian)城市軌(gui)道交通互聯互通的地(di)(di)鐵線路(lu)。中(zhong)國通號(hao)旗下(xia)城軌(gui)公司負責整體工(gong)程(cheng)組(zu)織實施(shi)及信號(hao)系統集(ji)(ji)成；研(yan)(yan)究(jiu)設計院(yuan)集(ji)(ji)團負責核心系統的設計、研(yan)(yan)發(fa)；上海工(gong)程(cheng)局負責施(shi)工(gong)安裝工(gong)作，其核心產品(pin)均(jun)由中(zhong)國通號(hao)各(ge)工(gong)業企業自主生產，充分(fen)凸顯(xian)了中(zhong)國通號(hao)設計研(yan)(yan)發(fa)、裝備制造、工(gong)程(cheng)服(fu)務“三(san)位一(yi)(yi)體”的完整產業鏈優勢，是(shi)中(zhong)國通號(hao)整體品(pin)牌(pai)優勢的又一(yi)(yi)次集(ji)(ji)中(zhong)體現(xian)。

信(xin)號系統(tong)是(shi)軌道交通(tong)(tong)(tong)(tong)的“大(da)腦”，是(shi)控制車(che)(che)輛安全、高效(xiao)運行(xing)(xing)的神經中樞，指揮全線列(lie)車(che)(che)以高密度(du)、高速度(du)、舒適運行(xing)(xing)。FZL300型(xing)互(hu)聯互(hu)通(tong)(tong)(tong)(tong)移(yi)動閉塞系統(tong)是(shi)中國通(tong)(tong)(tong)(tong)號在(zai)成(cheng)熟的高鐵(tie)列(lie)控技(ji)術(shu)標準(zhun)基礎上，依據國內城市軌道交通(tong)(tong)(tong)(tong)信(xin)號系統(tong)“互(hu)聯互(hu)通(tong)(tong)(tong)(tong)”標準(zhun)，對原有CBTC系統(tong)進行(xing)(xing)升級而(er)形成(cheng)的列(lie)車(che)(che)運行(xing)(xing)控制系統(tong)。系統(tong)采用了(le)全新(xin)的LTE車(che)(che)地通(tong)(tong)(tong)(tong)信(xin)技(ji)術(shu)，替代了(le)原有WLAN技(ji)術(shu)，支持更高的移(yi)動接(jie)入速度(du)，安全性和(he)抗(kang)干(gan)擾能力更強，并且(qie)預留(liu)了(le)多專(zhuan)業綜(zong)合承載(zai)條件。

建設期間，中(zhong)國(guo)通(tong)號(hao)會(hui)同國(guo)內(nei)信(xin)號(hao)廠商，在中(zhong)國(guo)城市軌(gui)道(dao)(dao)交(jiao)(jiao)(jiao)通(tong)協會(hui)技(ji)(ji)術(shu)裝(zhuang)備(bei)委員會(hui)牽頭下共(gong)(gong)同編制了CBTC互(hu)(hu)聯(lian)互(hu)(hu)通(tong)技(ji)(ji)術(shu)標準(zhun)，旨在促(cu)進中(zhong)國(guo)城市軌(gui)道(dao)(dao)交(jiao)(jiao)(jiao)通(tong)建設，實現并滿足城市軌(gui)道(dao)(dao)交(jiao)(jiao)(jiao)通(tong)互(hu)(hu)聯(lian)互(hu)(hu)通(tong)的(de)需求(qiu)，達到經(jing)濟(ji)適用(yong)(yong)、資源共(gong)(gong)享(xiang)、技(ji)(ji)術(shu)先(xian)進及可持續發展的(de)目的(de)。這也是城市軌(gui)道(dao)(dao)交(jiao)(jiao)(jiao)通(tong)在世界范圍內(nei)一(yi)(yi)(yi)次創新(xin)的(de)革命(ming)與探索，為城市軌(gui)道(dao)(dao)交(jiao)(jiao)(jiao)通(tong)的(de)產品通(tong)用(yong)(yong)化、技(ji)(ji)術(shu)標準(zhun)化、網絡(luo)化運營邁出了重要(yao)的(de)一(yi)(yi)(yi)步(bu)。目前(qian)，長沙地鐵也確(que)定使用(yong)(yong)CBTC互(hu)(hu)聯(lian)互(hu)(hu)通(tong)技(ji)(ji)術(shu)標準(zhun)，互(hu)(hu)聯(lian)互(hu)(hu)通(tong)技(ji)(ji)術(shu)得以進一(yi)(yi)(yi)步(bu)應用(yong)(yong)。