Title :
Epipolar-kinematics relations estimation neural approximation for robotics closed loop visual servo system
Author_Institution :
Univ. of Bahrain, Isa, Bahrain
Abstract :
This article studies a possibility of using a learning system for learning the complicated kinematics relating object features to robotics arm joint space. To achieve visual tracking, visual servoing and control for object manipulation without losing it from a robotics system, it is essential to relate a number of object´s geometrical features to a robotics system joint space. Object visual data play important role in such sense. Most robotics visual servo systems rely on object features Jacobian, in addition to the inverse. Object visual features inverse Jacobian is not easily put together and computed, hence to use such relation in a visual loops. A neural system have been used to approximate such relations, hence avoiding computing object´s feature inverse Jacobian, even at singular Jacobian postures. To validate the concept, the visual servo loop developed by Rives [1] has been rather updated and used as a test bench problem.
Keywords :
Jacobian matrices; closed loop systems; learning (artificial intelligence); manipulator kinematics; neurocontrollers; servomechanisms; visual servoing; closed loop visual servo system; epipolar-kinematics relations estimation neural approximation; inverse Jacobian; learning system; object manipulation; robotics arm joint space; visual servoing; visual tracking; Cameras; Computational geometry; Jacobian matrices; Mathematical model; Orbital robotics; Robot kinematics; Robot sensing systems; Robot vision systems; Servomechanisms; Visual servoing; Epipolar Geometry; Jacobian Estimation; Neural Robotics Control; Visual Servoing;
Conference_Titel :
Computer and Automation Engineering (ICCAE), 2010 The 2nd International Conference on
Conference_Location :
Singapore
Print_ISBN :
978-1-4244-5585-0
Electronic_ISBN :
978-1-4244-5586-7
DOI :
10.1109/ICCAE.2010.5451239