To provide a location identification system, location identification device and location identification program that improve accuracy of a location identification.SOLUTION: A location identification system comprises: a material and equipment beacon 30 that is attached to a material and equipment; a receiving terminal 10 that moves together with work persons; terminal location identification means that identifies a location of th receiving terminal 10; estimation distance identification means that bilaterally identifies an estimation distance between the receiving terminal 10 and the material and equipment beacon 30 on the basis of radio wave reception intensity; log acquisition means that acquires a log bilaterally associating a location of the receiving terminal 10 identified by the terminal location identification means and the estimation distance identified by the estimation distance identification means at the location; log identification means that identifies a tim pack log serving as a log indicative of the smallest estimation distance from a plurality of logs acquired within a prescribed time range by the log acquisition means; and object location identification means that identifies a location of the material and equipment on the basis of the time pack log identified by the log identification means.SELECTED DRAWING: Figure 1
【課題】位置特定の精度が向上する位置特定システム、位置特定装置、及び位置特定プログラムを提供すること。【解決手段】位置特定システムは、資機材に取り付けられた資機材ビーコン30と、作業員と共に移動する受信端末10と、受信端末10の位置を特定する端末位置特定手段と、電波受信強度に基づいて、受信端末10と資機材ビーコン30との相互間の推定距離を特定する推定距離特定手段と、端末位置特定手段にて特定した受信端末10の位置と、当該位置において推定距離特定手段にて特定した推定距離と、を相互に対応付けたログを取得するログ取得手段と、ログ取得手段にて所定時間範囲内に取得された複数のログの中から、最も小さい推定距離を示すログであるタイムパックログを特定するログ特定手段と、ログ特定手段にて特定したタイムパックログに基づいて、資機材の位置を特定する対象物位置特定手段と、を備える。【選択図】図1
LOCATION IDENTIFICATION SYSTEM, LOCATION IDENTIFICATION DEVICE, AND LOCATION IDENTIFICATION PROGRAM
位置特定システム、位置特定装置、及び位置特定プログラム
2019-01-10
Patent
Elektronische Ressource
Japanisch
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