With the arrival of the 21 century , the automatization on ship control and management will get further improvement , and the existing ones will also be continuously perfected to a higher level , e . g . the ship ' s comprehensive automatization , one bridge system , global maritime distress and safety system ( gmdss ) , global position system ( gps ) , automatic identification system ( ais ) , voyage digital record ( vdr ) and comprehensive multifunctional communication system etc . 船舶综合自动化、一人驾驶综合导航系统、全球海上遇险安全系统、全球定位系统、船舶自动识别系统( ais ) 、船舶航行数据记录仪( vdr )以及多功能综合通信系统，亦将不断完善，并向高层次阶段发展。
