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近日，隨(sui)著重慶(qing)地鐵五號(hao)(hao)線一期信(xin)號(hao)(hao)系統(tong)互(hu)聯互(hu)通(tong)交叉測(ce)試的成功，裝備中(zhong)國(guo)通(tong)號(hao)(hao)完(wan)全自主CBTC信(xin)號(hao)(hao)系統(tong)的重慶(qing)軌道交通(tong)5號(hao)(hao)線率(lv)先具(ju)備互(hu)聯互(hu)通(tong)條件，標志(zhi)著由中(zhong)國(guo)通(tong)號(hao)(hao)打造的全球(qiu)首條互(hu)聯互(hu)通(tong)地鐵即將孕(yun)育而(er)生。

長期以來(lai)，由于(yu)不(bu)同地鐵線(xian)(xian)路車(che)(che)(che)載信(xin)號(hao)設(she)備與地面信(xin)號(hao)設(she)備間(jian)無法“交流”，導(dao)致列(lie)車(che)(che)(che)跨線(xian)(xian)運行一(yi)直(zhi)是一(yi)項世界性(xing)難題(ti)(ti)，國(guo)外曾(ceng)努力(li)嘗試但始終(zhong)沒(mei)有實現不(bu)同廠(chang)(chang)家(jia)間(jian)的地鐵信(xin)號(hao)系統(tong)(tong)互(hu)(hu)通(tong)。在我國(guo)，隨著以中國(guo)通(tong)號(hao)CBTC信(xin)號(hao)系統(tong)(tong)為代表的自主(zhu)知識產(chan)權信(xin)號(hao)系統(tong)(tong)的成熟應用，我國(guo)已編制出了適應中國(guo)國(guo)情的互(hu)(hu)聯互(hu)(hu)通(tong)技術標準，真(zhen)正意義上建(jian)立(li)了不(bu)同廠(chang)(chang)家(jia)之(zhi)間(jian)、車(che)(che)(che)載信(xin)號(hao)系統(tong)(tong)與地面信(xin)號(hao)系統(tong)(tong)之(zhi)間(jian)，互(hu)(hu)相(xiang)兼容、互(hu)(hu)相(xiang)“交流”的基(ji)礎，一(yi)舉解決了這個世界性(xing)難題(ti)(ti)。地鐵互(hu)(hu)聯互(hu)(hu)通(tong)后(hou)，可(ke)以滿(man)足(zu)乘客一(yi)站式“直(zhi)達(da)”的需求，減少客流換乘壓力(li)，降低地鐵建(jian)成本資，大幅度提高(gao)車(che)(che)(che)輛(liang)利用率(lv)和(he)運營效率(lv)。

上(shang)圖為建設中的重慶(qing)地鐵5號線

重慶5號線(xian)裝(zhuang)備的(de)(de)FZL300型CBTC互(hu)聯互(hu)通(tong)信(xin)號系(xi)統是中國通(tong)號自主研發，為城市(shi)軌(gui)(gui)(gui)道(dao)交(jiao)(jiao)通(tong)“互(hu)聯互(hu)通(tong)”量身定制(zhi)的(de)(de)基于無線(xian)通(tong)信(xin)的(de)(de)移(yi)動(dong)閉塞系(xi)統，可實(shi)現列(lie)車(che)(che)最小90秒追(zhui)蹤間隔。在原有CBTC列(lie)車(che)(che)控(kong)制(zhi)系(xi)統的(de)(de)基礎上，該系(xi)統可實(shi)現列(lie)車(che)(che)不(bu)降(jiang)速降(jiang)級跨線(xian)運(yun)營至其(qi)(qi)它(ta)線(xian)路，并支持(chi)其(qi)(qi)它(ta)線(xian)路車(che)(che)輛進入(ru)本(ben)線(xian)運(yun)行，滿足(zu)城市(shi)軌(gui)(gui)(gui)道(dao)交(jiao)(jiao)通(tong)未(wei)來聯通(tong)聯運(yun)需求，對節約(yue)旅(lv)客(ke)出行時間、提高城市(shi)軌(gui)(gui)(gui)道(dao)交(jiao)(jiao)通(tong)運(yun)營效率具(ju)有重要意義。

重(zhong)慶地鐵5號(hao)線（一(yi)(yi)期）工(gong)程北起園博(bo)中(zhong)心站(zhan)南至跳(tiao)蹬站(zhan)，線路長39.75km，設車站(zhan)25座，最高運(yun)行時速可達100公(gong)(gong)里。工(gong)程分段建設開(kai)通(tong)(tong)(tong)(tong)，其(qi)中(zhong)首(shou)通(tong)(tong)(tong)(tong)段擬于(yu)2017年(nian)底開(kai)通(tong)(tong)(tong)(tong)運(yun)營，成為(wei)全球首(shou)條(tiao)實現城市軌(gui)道交通(tong)(tong)(tong)(tong)互(hu)聯互(hu)通(tong)(tong)(tong)(tong)的地鐵線路。中(zhong)國通(tong)(tong)(tong)(tong)號(hao)旗下城軌(gui)公(gong)(gong)司(si)負責整體(ti)工(gong)程組織(zhi)實施及信(xin)號(hao)系(xi)統(tong)(tong)集(ji)(ji)成；研究設計(ji)院集(ji)(ji)團負責核(he)心系(xi)統(tong)(tong)的設計(ji)、研發；上海工(gong)程局負責施工(gong)安(an)裝工(gong)作，其(qi)核(he)心產(chan)品均由中(zhong)國通(tong)(tong)(tong)(tong)號(hao)各工(gong)業(ye)企業(ye)自主生產(chan)，充(chong)分凸顯(xian)了中(zhong)國通(tong)(tong)(tong)(tong)號(hao)設計(ji)研發、裝備制造、工(gong)程服務“三(san)位一(yi)(yi)體(ti)”的完(wan)整產(chan)業(ye)鏈優(you)勢，是中(zhong)國通(tong)(tong)(tong)(tong)號(hao)整體(ti)品牌優(you)勢的又一(yi)(yi)次集(ji)(ji)中(zhong)體(ti)現。

信(xin)號系(xi)統(tong)是(shi)(shi)軌(gui)道(dao)交通(tong)(tong)(tong)的(de)“大腦(nao)”，是(shi)(shi)控制車(che)(che)輛安全、高(gao)效運行(xing)的(de)神經中樞，指(zhi)揮全線列車(che)(che)以高(gao)密度(du)(du)、高(gao)速(su)度(du)(du)、舒適運行(xing)。FZL300型(xing)互(hu)(hu)聯互(hu)(hu)通(tong)(tong)(tong)移(yi)(yi)動(dong)閉(bi)塞系(xi)統(tong)是(shi)(shi)中國通(tong)(tong)(tong)號在成熟的(de)高(gao)鐵列控技(ji)(ji)(ji)術標準基礎上，依據國內城市軌(gui)道(dao)交通(tong)(tong)(tong)信(xin)號系(xi)統(tong)“互(hu)(hu)聯互(hu)(hu)通(tong)(tong)(tong)”標準，對原有CBTC系(xi)統(tong)進(jin)行(xing)升級(ji)而形成的(de)列車(che)(che)運行(xing)控制系(xi)統(tong)。系(xi)統(tong)采(cai)用了全新的(de)LTE車(che)(che)地通(tong)(tong)(tong)信(xin)技(ji)(ji)(ji)術，替代了原有WLAN技(ji)(ji)(ji)術，支持更高(gao)的(de)移(yi)(yi)動(dong)接入速(su)度(du)(du)，安全性和抗干(gan)擾能力更強，并且預(yu)留了多專業綜合承(cheng)載條件。

建(jian)設期間，中國(guo)(guo)通號會(hui)同國(guo)(guo)內信號廠商，在中國(guo)(guo)城(cheng)市軌(gui)道(dao)交(jiao)(jiao)通協會(hui)技(ji)術(shu)(shu)裝備委員會(hui)牽頭下共同編制了(le)CBTC互(hu)(hu)(hu)(hu)聯(lian)互(hu)(hu)(hu)(hu)通技(ji)術(shu)(shu)標準，旨在促進(jin)(jin)中國(guo)(guo)城(cheng)市軌(gui)道(dao)交(jiao)(jiao)通建(jian)設，實(shi)現并(bing)滿足城(cheng)市軌(gui)道(dao)交(jiao)(jiao)通互(hu)(hu)(hu)(hu)聯(lian)互(hu)(hu)(hu)(hu)通的(de)(de)需求，達到經濟適用、資源共享(xiang)、技(ji)術(shu)(shu)先進(jin)(jin)及(ji)可持續發(fa)展的(de)(de)目(mu)的(de)(de)。這也是城(cheng)市軌(gui)道(dao)交(jiao)(jiao)通在世界范圍內一(yi)次創新的(de)(de)革命(ming)與探索，為城(cheng)市軌(gui)道(dao)交(jiao)(jiao)通的(de)(de)產品(pin)通用化、技(ji)術(shu)(shu)標準化、網絡(luo)化運營(ying)邁(mai)出了(le)重要(yao)的(de)(de)一(yi)步。目(mu)前，長沙地鐵也確定使用CBTC互(hu)(hu)(hu)(hu)聯(lian)互(hu)(hu)(hu)(hu)通技(ji)術(shu)(shu)標準，互(hu)(hu)(hu)(hu)聯(lian)互(hu)(hu)(hu)(hu)通技(ji)術(shu)(shu)得以進(jin)(jin)一(yi)步應用。