Results 151 to 160 of about 28,299,233 (201)

Order-Disorder-Type Transitions Through a Multifractal Procedure in Cu-Zn-Al Alloys-Experimental and Theoretical Design. [PDF]

Entropy (Basel)
Plăcintă C, Nedeff V, Panainte-Lehăduş M, Puiu Costescu E, Petrescu TC, Stanciu S, Agop M, Mirilă DC, Nedeff F.   +8 more
europepmc   +1 more source

Revealing homoclinic breather waves, periodic lump waves and other waves forms of an integrable reduced spin Hirota-Maxwell-Bloch system. [PDF]

Sci Rep
Ceesay B, Yasin MW, Ahmed N, Baber MZ, Bittaye E.   +4 more
europepmc   +1 more source

A Multi-Constraint Co-Optimization LQG Frequency Steering Method for LEO Satellite Oscillators. [PDF]

Sensors (Basel)
Wang D, Liao W, Liu B, Yu Q.
europepmc   +1 more source

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Estimation of the Region of Attraction for State-Dependent Riccati Equation Controllers

Journal of Guidance, Control, and Dynamics, 2006
A new method for estimating a higher bound of the region of attraction of a nonlinear system is developed for state-dependent Riccati equation controller. The methodology can be applied to SDRE-controlled systems for improving the stability properties of such systems.
Mario Innocenti, Lorenzo Pollini
exaly   +3 more sources

Controllability Issues in Nonlinear State-Dependent Riccati Equation Control

Journal of Guidance, Control, and Dynamics, 1998
Inthelastfewyears,algorithmsusingstate-dependentRiccatiequations (SDREs)havebeenproposedforsolving nonlinear control problems. Under state feedback, pointwise solutions of an SDRE must be obtained along the system trajectory. To ensure the control is well dee ned, global controllability and observability of state-dependent system factorizations are ...
Christopher D Hall
exaly   +2 more sources

Control for a Class of Second-Order Systems via a State-Dependent Riccati Equation Approach

SIAM Journal on Control and Optimization, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Li-Gang Lin
exaly   +4 more sources

STATE DEPENDENT DIFFERENTIAL RICCATI EQUATION FOR NONLINEAR ESTIMATION AND CONTROL

IFAC Proceedings Volumes, 2002
Abstract State-dependent Riccati equation (SDRE) methods for designing control algorithms and observers for nonlinear processes entail the use of algebraic Riccati equations. These methods have yielded a number of impressive results, however, they can be computationally quite intensive and thus far they have not yielded to those attempting to assess ...
David A. Haessig, Bernard Friedland
openaire   +2 more sources

Suboptimal control of a 3 dof helicopter with state dependent riccati equations

2017 XXVI International Conference on Information, Communication and Automation Technologies (ICAT), 2017
The paper presents the application of State Dependent Riccati Equation (SDRE) based optimal controller design for nonlinear systems. Optimal controller is designed in local sense to minimize a given quadratic performance index, leading to well-known Linear Quadratic Regulator (LQR) problem and the optimal controller is updated at each sampling time to ...
Ahmet Cagri Arican, Sinan Ozcan, Bedrettin Mahmut Kocagil, Umit Mufit Guzey, Metin U. Salamci   +4 more
openaire   +2 more sources

Ensuring stability of state-dependent Riccati equation controllers via satisficing

Proceedings of the 41st IEEE Conference on Decision and Control, 2002., 2003
Controls based on solutions to the state-dependent Riccati equation (SDRE) have been shown to offer high performance, but they suffer from unproven stability properties. This paper combines SDRE with satisficing, a novel clf-based approach which analytically guarantees stability.
J. Willard Curtis, Randal W. Beard
openaire   +1 more source

Design of a Class of Nonlinear Controllers via State Dependent Riccati Equations

IEEE Transactions on Control Systems Technology, 2004
In this brief, infinite-horizon nonlinear regulation of second-order systems using the State Dependent Riccati Equation (SDRE) method is considered. By a convenient parametrization of the A(x) matrix, the state-dependent algebraic Riccati equation is solved analytically.
Evrin B. Erdem, Andrew G. Alleyne
openaire   +2 more sources