協調ポジショニングシステムの研究 -CPS-IIIを用いた自動清掃ロボットシステムの開発- Study on Cooperative Positioning System -Development of Cleaning Robot System with CPS-III-

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Several position identification methods have been used for mobile robots. Dead reckoning is a popular method, but is not reliable for measurement over long distances especially on uneven surfaces due to the accumulation error of wheel diameter and slippage. The landmark method, which estimates current position relative to landmarks, cannot be used in an uncharted environment. We have proposed a new method called"Cooperative Positioning System (CPS) ."For CPS, we divide the robots into two groups, A and B. One group, A, remains stationary and acts as a landmark while group B moves. Group B then stops and acts as a landmark for group A. This "dance" is repeated until the target position is reached. CPS has a far lower accumulation of positioning error than dead reckoning, and can work in three-dimensions which is not possible with dead reckoning. Also, CPS has inherent landmarks and therefore works in uncharted environments. In previous papers, we have introduced the prototype CPS machine models, CPS-I and CPS-II and demonstrated high performance as a positioning system in an unknown and uneven environment. In this paper, we report on the third prototype CPS model, CPS-III, that is designed specificly as an automatic floor-cleaning robot system, and its experimental result. In this system, we categorize these robots for two tasks, that is, a accurate positioning task that is achieved with 3 robots using the CPS strategy, and a floor-cleaning task that uses an omni-directional vehicle, so as to improve the efficiency of the floor-cleaning system. Experiments show that these robots can perform a floor-cleaning task in a corridor within a positioning error of 140.8 [mm] even after robots move over a distance of 101.7 [m] .

収録刊行物

  • 日本ロボット学会誌  

    日本ロボット学会誌 16(7), pp.934-941, 1998-10-15 

    The Robotics Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002864705
  • NII書誌ID(NCID)
    AN00141189
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    02891824
  • NDL 記事登録ID
    4583782
  • NDL 雑誌分類
    ZN11(科学技術--機械工学・工業)
  • NDL 請求記号
    Z16-1325
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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