A Study on Total Serviceability Evaluation for Disaster Monitoring by Satellites (2nd Report)

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  • NAKAMURA Taichi
    連絡先著者（Corresponding author）：nakamura.taichi@jmos. co.jp ジャパンメンテナンスアンドオペレーションサービス （株）

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  • 衛星による災害観測能力の総合的評価について（第二報）
  • 衛星による災害観測能力の総合的評価について(第2報)
  • エイセイ ニ ヨル サイガイ カンソク ノウリョク ノ ソウゴウテキ ヒョウカ ニ ツイテ(ダイ2ホウ)

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This paper demonstrates the optimization process of a satellite constellation for disaster detection by the use of serviceability function as evaluation criteria. The study is conducted on constellations of synthetic aperture radar (SAR) satellites for detecting damaged area following a disaster. In the optimization process which comprises three steps, 1) choosing candidate constellations through sensitivity analysis, 2) adjusting detailed orbital parameters by compatibility evaluation among major target places, 3) checking adaptability to the various situation of topography around the targets, serviceability function is employed as the criteria for evaluation of tradeoffs. As a result of the study, it was indicated that the constellation comprised of two satellites in the sunsynchronous sub-recurrent orbits and two satellites in the inclined orbits will be an optimized choice for the observation of Japan within six hours following a disaster.

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