COMBINED NONLINEAR CONTROL OF A SYSTEM OF INVERTED PENDULUMS WITH INPUT CONSTRAINTS

2021 ◽  
Vol 57 (4) ◽  
pp. 74-84
Author(s):  
E. L. Eremin ◽  
L. V. Nikiforova ◽  
E. A. Shelenok
Keyword(s):  
Nonlinear Control ◽  
Input Constraints

Structural Analysis of Nonlinear Control Systems Using Singular Value Decomposition: Part II — Control of an Input-Constrained Thermal Process

2003 ◽  
Author(s):  
Kwan-Woong Gwak ◽  
Glenn Y. Masada
Keyword(s):  
Structural Analysis ◽  
Singular Value Decomposition ◽  
Nonlinear Control ◽  
Control Systems ◽  
Singular Value ◽  
Thermal System ◽  
Control Input ◽  
Input Constraints ◽  
Nonlinear Controller ◽  
Value Decomposition

In a Part I (Structural Analysis of Nonlinear Control System using Singular Value Decomposition: Part I—Approach), structural analysis algorithms for nonlinear control systems were developed applying singular value decomposition (SVD) on the linear algebraic equivalence of the nonlinear controller. In this paper, the proposed algorithms are applied to the temperature control of a thermal system which has control input constraints. Control input/output modes, weights of linear mode combination, colinearity, and mode truncation concepts introduced in Part I, are used to analyze and find the cause of input-constraint-violating-control of the nonlinear controller designed for the thermal system and to redesign the nonlinear controller to satisfy the input constraints and to reduce control effort.

ROBUST NONLINEAR CONTROL DESIGN OF DISTRIBUTED PROCESS SYSTEMS WITH INPUT CONSTRAINTS

2002 ◽  
Vol 35 (1) ◽  
pp. 477-482 ◽  
Author(s):  
Antonio A. Alonso ◽  
Ioannis Kevrekidis ◽  
Eva Balsa-Canto ◽  
Julio R. Banga
Keyword(s):  
Nonlinear Control ◽  
Control Design ◽  
Input Constraints ◽  
Robust Nonlinear Control ◽  
Process Systems ◽  
Distributed Process
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