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An Active Visual Estimator for Dexterous Manipulation

IEEE Transactions on Robotics and Automation, October 1996

Alfred A. Rizzi and Daniel E. Koditschek
Department of Electrical Engineering and Computer Science, University of Michigan
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We present a working implementation of a dynamics based architecture for visual sensing. This architecture provides field rate estimates of the positions and velocities of two independent falling balls in the face of repeated visual occlusions and departures from the field of view. The practical success of this system can be attributed to the interconnection of two strongly nonlinear dynamical systems: a novel triangulating state estimator; and an image plane window controller. We detail the architecture of this active sensor, provide data documenting its performance, and offer an analysis of its soundness in the form of a convergence proof for the estimator and a boundedness proof for the controller.
BibTeX entry
  author      = {Alfred A. Rizzi and Daniel E. Koditschek},
  title       = {An Active Visual Estimator for Dexterous Manipulation},
  journal     = {IEEE Transactions on Robotics and Automation},
  year        = {1996},
  month       = {Oct},
  volume      = {12},
  number      = {5},
  pages       = {697-713},
  doi         = {10.1109/70.538975},
  issn        = {1042-296X},

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Copyright 1996 IEEE. Reprinted from IEEE Transactions on Robotics and Automation, Volume 12, Issue 5, October 1996, pages 697–713.
This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Pennsylvania’s products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
NOTE: At the time of publication, Daniel Koditschek was affiliated with the University of Michigan. Currently, he is a faculty member of the School of Engineering at the University of Pennsylvania.

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