This article is concerned with sensor management for target search and track using the generalized optimal subpattern assignment (GOSPA) metric. Utilizing the GOSPA metric to predict future system performance is computationally challenging, because of the need to account for uncertainties within the scenario, notably the number of targets, the locations of targets, and the measurements generated by the targets subsequent to performing sensing actions. In this article, efficient sample-based techniques are developed to calculate the predicted mean square GOSPA metric. These techniques allow for missed detections and false alarms, and thereby enable the metric to be exploited in scenarios more complex than those previously considered. Furthermore, the GOSPA methodology is extended to perform nonmyopic (i.e., multistep) sensor management via the development of a Bellman-type recursion that optimizes a conditional GOSPA-based metric. Simulations for scenarios with missed detections, false alarms, and planning horizons of up to three time steps demonstrate the approach, in particular showing that optimal plans align with an intuitive understanding of how taking into account the opportunity to make future observations should influence the current action. It is concluded that the GOSPA-based, nonmyopic search and track algorithm offers a powerful mechanism for sensor management.


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    Title :

    Nonmyopic Sensor Control for Target Search and Track Using a Sample-Based GOSPA Implementation


    Contributors:


    Publication date :

    2024-02-01


    Size :

    3554219 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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