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Underactuated manipulator robot control via H2, H∞, H2/H∞, and µ-synthesis approaches: a comparative study

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TLDR
In this article, the robustness of each controller when different disturbances are considered is compared with an actual underactuated manipulator robot with 3 degrees of freedom, of which joints can be configured as active or passive ones.
Abstract
and µ-synthesis, plus computed torque method. These controllers are applied in an actual underactuated manipulator robot with 3 degrees of freedom, of which joints can be configured as active or passive ones. The study performed in this paper compares the robustness of each controller when different disturbances are considered.

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Journal ArticleDOI

On the guidance, navigation and control of in-orbit space robotic missions: A survey and prospective vision

TL;DR: Two families of emerging control schemes based upon reinforcement learning and geometric mechanics are introduced as promising research directions in the GNC of space robotic systems.
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A Critical Review of Control Techniques for Flexible and Rigid Link Manipulators

TL;DR: The paper concentrates in critically reviewing classical controllers, intelligent controllers, robust controllers, and hybrid controllers for both FLMs and RLMs in terms of design difficulty, performance, and the suitability for controlling FLMs or RLMs.
Journal ArticleDOI

Improving Handling Stability Performance of Four-Wheel Steering Vehicle Based on the H2/H∞ Robust Control

TL;DR: Considering the demand for vehicle stability control and the existence of uncertainties in the four-wheel steering (4WS) system, the mixed H2/H∞ robust control methodology of the 4WS system is proposed in this article, where the H∞ method was applied to minimize the effects of modeling uncertainties, sensor noise, and external disturbances on the system outputs, and the H2 method was used to ensure system performance.
Journal ArticleDOI

A critical review of modelling methods for flexible and rigid link manipulators

TL;DR: This critical review is advantageous and indispensable for researchers who are interested in the area to gain fruitful knowledge on the mathematical modelling methods and guides researchers to select the suitable method for modelling.
Proceedings ArticleDOI

Design of a H-infinity robust controller for a DC servo motor system

TL;DR: In this paper, a mixed sensitivity based design approach of H-infinity controller for a dc servo motor system is presented, where frequency dependent suitable weight functions for sensitivity and complementary sensitivity transfer function are chosen to design the controller.
References
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Book

Robust and Optimal Control

TL;DR: This paper reviewed the history of the relationship between robust control and optimal control and H-infinity theory and concluded that robust control has become thoroughly mainstream, and robust control methods permeate robust control theory.
Book

Introduction to Robotics mechanics and Control

John J. Craig
TL;DR: This chapter discusses Jacobians: Velocities and Static Forces, Robot Programming Languages and Systems, and Manipulator Dynamics, which focuses on the role of Jacobians in the control of Manipulators.
Journal ArticleDOI

State-space solutions to standard H/sub 2/ and H/sub infinity / control problems

TL;DR: In this article, simple state-space formulas are derived for all controllers solving the following standard H/sub infinity / problem: for a given number gamma > 0, find all controllers such that the H/ sub infinity / norm of the closed-loop transfer function is (strictly) less than gamma.
Journal Article

Robust and Optimal Control

Kemin Zhou, +2 more
- 01 Jan 1997 - 
Book

Essentials of Robust Control

TL;DR: In this article, the authors introduce linear algebraic Riccati Equations and linear systems with Ha spaces and balance model reduction, and Ha Loop Shaping, and Controller Reduction.