On optimal synchronous and asynchronous track fusion

Ali T. Alouani; Theodore R. Rice

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On optimal synchronous and asynchronous track fusion

机译：On optimal synchronous and asynchronous track fusion

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In practice, multisensor systems use dissimilar sensors that may have different data rates. Such sensors may also have inherent delays due to multitasking as well as communication delays between the sensor platform and a remote central processing site. Track fusion algorithms are presented that are valid for asynchronous sensors (the sensors have different data rates and different delays) as well as synchronous sensors (all of the sensors take measurements at the same time and the same rate with no delays). The asynchronous track fusion problem is formulated and solved first. Then the synchronous track fusion problem is obtained as a special case of the asynchronous one. Finally, using simulated target tracks, the performance of the asynchronous track fusion (ASTF) algorithm is analyzed and compared to an existing track fusion algorithm. Different sensor data rates and communication delays are used in the simulations. It is found that the ASTF algorithm outperforms its counterpart and is able to handle relatively large communication delays. The results presented set the foundation for deriving optimal track fusion algorithms when taking into account realistic constraints such as sensors with different data rates and different communication and/or processing delays. The results can also be used as a benchmark to evaluate existing suboptimal track fusion algorithms. # 1998 Society of Photo-Optical Instrumentation Engineers. S0091-3286 (98) 00102-0 Subject terms: sensor fusion; Kalman filtering; track fusion; synchronous; asynchronous; optimization. Paper FUS-01 received May 2, 1997; revised manuscript received July 25, 1997; accepted for publication Sep. 15, 1997.

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《Optical Engineering》 |1998年第3期|427-433|共7页
作者
Ali T. Alouani; Theodore R. Rice;
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Tennessee Technological University Department of ECE Cookeville,/ Tennessee 38505 E-mail: ata7303 @tntech.edu;

Naval Surface Warfare Center Dahlgren Division Systems Research and Technology Department Dahlgren,/ Virginia 22448-5100;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学仪器;
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On optimal synchronous and asynchronous track fusion

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