A novel event-based incipient slip detection using dynamic active-pixel vision sensor (DAVIS)

Amin Rigi, Fariborz Baghaei Naeini, Dimitrios Makris, Yahya Zweiri

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

In this paper, a novel approach to detect incipient slip based on the contact area between a transparent silicone medium and different objects using a neuromorphic event-based vision sensor (DAVIS) is proposed. Event-based algorithms are developed to detect incipient slip, slip, stress distribution and object vibration. Thirty-seven experiments were performed on five objects with different sizes, shapes, materials and weights to compare precision and response time of the proposed approach. The proposed approach is validated by using a high speed constitutional camera (1000 FPS). The results indicate that the sensor can detect incipient slippage with an average of 44.1 ms latency in unstructured environment for various objects. It is worth mentioning that the experiments were conducted in an uncontrolled experimental environment, therefore adding high noise levels that affected results significantly. However, eleven of the experiments had a detection latency below 10 ms which shows the capability of this method. The results are very promising and show a high potential of the sensor being used for manipulation applications especially in dynamic environments.

Original languageBritish English
Article number333
JournalSensors (Switzerland)
Volume18
Issue number2
DOIs
StatePublished - Feb 2018

Keywords

  • Dynamic vision sensor
  • Incipient slip
  • Robot grasping
  • Tactile sensor
  • Vision-based slip detection

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