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Research on localization algorithm of naval vessel for submarine based on bearing-range measurements

Journal of Measurement Science and Instrumentation 2012年第1期3卷 10-13页

作者：崔旭涛杨日杰何友 Scientific Department of naval Aeronautical Engineering Academy Yantai 264001China Information Fusion Institute of naval Aeronautical Engineering Academy Yantai 264001China

Combined with naval vessel practical antisubmarine equipment of towed linear array sonar,a mathematical model of naval vessel localization for submarine based on bearing measurement was built,and localization algorithm was given to solve submarine movement *** errors were *** on localization model and algorithm,simulations were done to study the effect of factors such as initial distance between submarine and the naval vessel,submarine initial bearing angle measured by the naval vessel and submarine course on localization performance,and then simulation results were given and *** results have practical value to instruct real *** results show that different target movement situations have great influence on sonar detection and localization performance,so the reasonable choice of sonar position and detection bearing according to the target movement situation can improve sonar detection and localization performance to some degree.

关键词： naval vessel bearing measurement submarine localization error analysis localization algorithm

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The Simulation and Control of naval vessel Shaft Frequency Electromagnetic Signature

The Simulation and Control of Naval Vessel Shaft Frequency E...

引用

2011 Chinese Control and Decision Conference（CCDC）

作者： Zhou Xianglong is with the naval Submarine Academy,Qingdao,China.Zhao Jingbo is with the Qingdao Technological University,Qingdao,China.Gao Feng is with the naval Submarine Academy,Qingdao,China.Guo Xingwei is with the naval Submarine Academy,Qingdao,China.

Shaft frequency electromagnetic signature on submarines that can be easily detected in seawater is produced due to periodic resistance variation of shaft to hull and voltage between shaft and *** shaft frequency signal must be controlled in order to make naval vessel *** practical results show that passive shaft grounding can’t effectively control the signal,especially for high rotation propellers.A mechanical installation was designed and manufactured to simulate axis’s word and a small type of electronic controller was used to control the signals to less than 0.1mV in different shaft speed in *** on the data obtained from the simulation equipment,a kind of submarine controller up to 24V/100A was designed,installed and tested with shaft simulation *** results demonstrated that the controller can compensate resistance variation of shaft to hull and maintain voltage between shaft and hull less than *** other word,the grounding resistance via the controller is less than 1.3×*** same tine,a modeling circuit that simulates to cathodic protection routine combined with equipment above was verified the coordination between the controller and *** results show that the controller can effectively inhibit shaft frequency signal while working together with cathodic protection system.

关键词： shaft frequency electromagnetic signature naval vessel ELFE submarine’s corrosion cathodic protection

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