Sequential optimal positioning of mobile sensors using mutual information

Schmidt, Kathleen; Smith, Ralph C.; Hite, Jason; Mattingly, John; Azmy, Yousry; Rajan, Deepak; Goldhahn, Ryan

doi:10.1002/sam.11431

Title: Sequential optimal positioning of mobile sensors using mutual information

Journal Article · Fri Jul 19 00:00:00 EDT 2019 · Statistical Analysis and Data Mining

DOI:https://doi.org/10.1002/sam.11431· OSTI ID:1548374

^[1]; Smith, Ralph C. ^[2]; Hite, Jason ^[2]; Mattingly, John ^[2]; Azmy, Yousry ^[2]; Rajan, Deepak ^[1]; Goldhahn, Ryan ^[1]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
North Carolina State Univ., Raleigh, NC (United States)

Abstract Source localization, such as detecting a nuclear source in an urban area or ascertaining the origin of a chemical plume, is generally regarded as a well‐documented inverse problem; however, optimally placing sensors to collect data for such problems is a more challenging task. In particular, optimal sensor placement—that is, measurement locations resulting in the least uncertainty in the estimated source parameters—depends on the location of the source, which is typically unknown a priori . Mobile sensors are advantageous because they have the flexibility to adapt to any given source position. While most mobile sensor strategies designate a trajectory for sensor movement, we instead employ mutual information, based on Shannon entropy, to choose the next measurement location from a discrete set of design conditions.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC52-07NA27344; DE‐AC52‐07NA27344; DE‐AC05‐00O

OSTI ID:: 1548374

Alternate ID(s):: OSTI ID: 1543170

Report Number(s):: LLNL-JRNL-753008; 939255

Journal Information:: Statistical Analysis and Data Mining, Vol. 12, Issue 6; ISSN 1932-1864

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 3 works

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Application and Evaluation of Surrogate Models for Radiation Source Search Cook, Jared A.; Smith, Ralph C.; Hite, Jason M. Algorithms, Vol. 12, Issue 12 https://doi.org/10.3390/a12120269	journal	December 2019