Autonomous Robots

, Volume 36, Issue 1–2, pp 153–167 | Cite as

Object search by manipulation

  • Mehmet R. Dogar
  • Michael C. Koval
  • Abhijeet Tallavajhula
  • Siddhartha S. Srinivasa
Article

Abstract

We investigate the problem of a robot searching for an object. This requires reasoning about both perception and manipulation: some objects are moved because the target may be hidden behind them, while others are moved because they block the manipulator’s access to other objects. We contribute a formulation of the object search by manipulation problem using visibility and accessibility relations between objects. We also propose a greedy algorithm and show that it is optimal under certain conditions. We propose a second algorithm which takes advantage of the structure of the visibility and accessibility relations between objects to quickly generate plans. Our empirical evaluation strongly suggests that our algorithm is optimal under all conditions. We support this claim with a partial proof. Finally, we demonstrate an implementation of both algorithms on a real robot using a real object detection system.

Keywords

Robotic manipulation Manipulation planning Object search 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Mehmet R. Dogar
    • 1
  • Michael C. Koval
    • 1
  • Abhijeet Tallavajhula
    • 2
  • Siddhartha S. Srinivasa
    • 1
  1. 1.The Robotics InstituteCarnegie Mellon UniversityPittsburghUSA
  2. 2.Indian Institute of Technology KharagpurKharagpurIndia

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