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John T. Feddema

Researcher at Sandia National Laboratories

Publications -  81
Citations -  2687

John T. Feddema is an academic researcher from Sandia National Laboratories. The author has contributed to research in topics: Visual servoing & Control system. The author has an hindex of 26, co-authored 80 publications receiving 2634 citations. Previous affiliations of John T. Feddema include Purdue University.

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Vision-guided servoing with feature-based trajectory generation (for robots)

TL;DR: In this article, a vision module is used to guide an eye-in-hand robot through general servoing and tracking problems using off-the-shelf image processing equipment.
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Decentralized control of cooperative robotic vehicles: theory and application

TL;DR: This work uses decentralized methods to connect otherwise independent nontouching robotic vehicles so that they behave in a stable, coordinated fashion.
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Weighted selection of image features for resolved rate visual feedback control

TL;DR: The authors develop methodologies for the automatic selection of image features to be used to visually control the relative position and orientation (pose) between the end-effector of an eye-in-hand robot and a workpiece.
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Adaptive image feature prediction and control for visual tracking with a hand-eye coordinated camera

TL;DR: An adaptive method for visually tracking a known moving object with a single mobile camera to predict the location of features of the object on the image plane based on past observations and past control inputs and to determine an optimal control input that will move the camera so that the image features align with their desired positions.
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Control for slosh-free motion of an open container

TL;DR: In this article, two methods for controlling the surface of a liquid in an open container as it is being carried by a robot arm are described, which make use of the fundamental mode of oscillation and damping of the liquid in the container as predicted from a boundary element model of the fluid.