車上測定データによる軌道の異常検出 : 第2報,プローブシステムの開発と検証(機械力学,計測,自動制御)

DOI Web Site Web Site 被引用文献2件 参考文献11件
  • 小島 崇
    日本大学大学院生産工学研究科機械工学専攻:(現)(財)鉄道総合技術研究所
  • 綱島 均
    日本大学生産工学部機械工学科
  • 松本 陽
    (独)交通安全環境研究所:(現)国土交通省
  • 水間 毅
    (独)交通安全環境研究所

書誌事項

タイトル別名
  • Fault Detection of Railway Track by On-Board Measurement Data : 2nd Report, Development of Probe System and Its Verification(Mechanical Systems)
  • 車上測定データによる軌道の異常検出(第2報)プローブシステムの開発と検証
  • シャジョウ ソクテイ データ ニ ヨル キドウ ノ イジョウ ケンシュツ ダイ2ホウ プローブ システム ノ カイハツ ト ケンショウ

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抄録

Conditions of railway track have conventionally been maintained with exclusive inspection vehicle. If the conditions of the track can be inspected by using service vehicles with condition monitoring system, more efficient maintenance would be possible. This paper describes the development and the verification of the "probe system" which estimates the track conditions without sensors on bogie. To detect the track conditions from the data which can be observed in the interior of a service vehicle, two methods have been proposed: the method to detect track irregularities using RMS of the lateral/vertical accelerations and the rolling of the vehicle body, and the method to detect rail corrugations from the interior noise using the windowed Furrier transform. The probe system including two proposed methods has been developed which is composed by an accelerometer, a rate gyroscope and a microphone for detection of track conditions; a GPS for the localization; and notebook PC for the analysis. The developed system has been installed onto the cab of a service vehicle to carry out a field test for the validation of the system. The results of comparison with the ground data show that the probe system can estimate effectively the amplitude of track irregularities, the grade of rail corrugations and its location.

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