Bioinspired Ciliary Force Sensor for Robotic Platforms

Pedro Ribeiro, Mohammed Asadullah Khan, Ahmed Alfadhel, Jürgen Kosel, Fernando Franco, Susana Cardoso, Alexandre Bernardino, Alexander Schmitz, José Santos-Victor, Lorenzo Jamone

研究成果: Article査読

23 被引用数 (Scopus)

抄録

The detection of small forces is of great interest in any robotic application that involves interaction with the environment (e.g., objects manipulation, physical human-robot interaction, minimally invasive surgery), since it allows the robot to detect the contacts early on and to act accordingly. In this letter, we present a sensor design inspired by the ciliary structure frequently found in nature, consisting of an array of permanently magnetized cylinders (cilia) patterned over a giant magnetoresistance sensor (GMR). When these cylinders are deformed in shape due to applied forces, the stray magnetic field variation will change the GMR sensor resistivity, thus enabling the electrical measurement of the applied force. In this letter, we present two 3 mm × 3 mm prototypes composed of an array of five cilia with 1 mm of height and 120 and 200 μm of diameter for each prototype. A minimum force of 333 μ N was measured. A simulation model for determining the magnetized cylinders average stray magnetic field is also presented.

本文言語English
論文番号7827912
ページ(範囲)971-976
ページ数6
ジャーナルIEEE Robotics and Automation Letters
2
2
DOI
出版ステータスPublished - 2017 4月

ASJC Scopus subject areas

  • 制御およびシステム工学
  • 生体医工学
  • 人間とコンピュータの相互作用
  • 機械工学
  • コンピュータ ビジョンおよびパターン認識
  • コンピュータ サイエンスの応用
  • 制御と最適化
  • 人工知能

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