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Nonlinear control techniques for rob...

Nath, Nitendra.

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Nonlinear control techniques for robot manipulators.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Nonlinear control techniques for robot manipulators./
作者:	Nath, Nitendra.
面頁冊數:	130 p.
附註:	Source: Masters Abstracts International, Volume: 45-02, page: 1000.
Contained By:	Masters Abstracts International45-02.
標題:	Engineering, Electronics and Electrical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1439227
ISBN:	9780542963209

Nonlinear control techniques for robot manipulators.
Nath, Nitendra.

Nonlinear control techniques for robot manipulators. - 130 p.

Source: Masters Abstracts International, Volume: 45-02, page: 1000.

Thesis (M.S.)--Clemson University, 2006.

This Masters Thesis describes the design and implementation of control strategies for the following topics of research: (i) Whole Arm Grasping Control for Redundant Robot Manipulators, (ii) Neural Network Grasping Controller for Continuum Robots and, (iii) Coordination Control for Haptic and Teleoperator Systems.

ISBN: 9780542963209Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Nonlinear control techniques for robot manipulators.
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245 1 0 $a Nonlinear control techniques for robot manipulators.
300 $a 130 p.
500 $a Source: Masters Abstracts International, Volume: 45-02, page: 1000.
500 $a Adviser: Darren Dawson.
502 $a Thesis (M.S.)--Clemson University, 2006.
520 $a This Masters Thesis describes the design and implementation of control strategies for the following topics of research: (i) Whole Arm Grasping Control for Redundant Robot Manipulators, (ii) Neural Network Grasping Controller for Continuum Robots and, (iii) Coordination Control for Haptic and Teleoperator Systems.
520 $a An approach to whole arm grasping of objects using redundant robot manipulators is presented. A kinematic control which facilitates the encoding of both the end-effector position, as well as body self-motion positioning information as a desired trajectory signal for the manipulator joints is developed. A joint space controller which provides asymptotic tracking of the encoded desired trajectory in the presence of system uncertainties is presented. Experimental results for a planar, three link configuration of the Barrett whole arm manipulator are provided to illustrate the validity of the approach.
520 $a Continuum or hyper-redundant robots are robots which exhibit behavior similar to biological trunks, tentacles and snakes. Unlike traditional robots, continuum robot manipulators do not have rigid joints, hence the manipulators are compliant, extremely dexterous, and capable of dynamic, adaptive manipulation in unstructured environments; however, the development of high-performance control algorithms for these manipulators is a challenging problem. In this paper, we present an approach to whole arm grasping control for continuum robots. The grasping controller is developed in two stages; high level path planning for the grasping objective, and a low level joint controller using a neural network feedforward component to compensate for dynamic uncertainties. These techniques are used to enable whole arm grasping without using contact force measurements and without using a dynamic model of the continuum robot. Experimental results using the OCTARM, a soft continuum robotic manipulator are included to illustrate the efficacy of the proposed low level joint controller.
520 $a Two controllers are developed for nonlinear haptic and teleoperator systems for coordination of the master and slave systems. The first controller is proven to yield a semiglobal asymptotic result in the presence of parametric uncertainty in the master and the slave dynamic models provided the user and the environmental input forces are measurable. The second controller yields a global asymptotic result despite unmeasurable user and environmental input forces provided the dynamic models of the master and slave systems are known. These controllers rely on a transformation and a flexible target system to allow the master system's impedance to be easily adjusted so that it matches a desired target system. This work also offers a structure to encode a velocity field assist mechanism to provide the user help in controlling the slave system in completing a pre-defined contour following task. For each controller, Lyapunov-based techniques are used to prove that both controllers provide passive coordination of the haptic/teleoperator system when the velocity field assist mechanism is disabled. When the velocity field assist mechanism is enabled, the analysis proves the coordination of the haptic/teleoperator system. Experiment results are presented for both controllers.
590 $a School code: 0050.
650 4 $a Engineering, Electronics and Electrical. $3 626636
650 4 $a Engineering, Robotics. $3 1018454
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690 $a 0771
710 2 0 $a Clemson University. $3 997173
773 0 $t Masters Abstracts International $g 45-02.
790 1 0 $a Dawson, Darren, $e advisor
790 $a 0050
791 $a M.S.
792 $a 2006
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