Results 241 to 250 of about 173,441,856 (300)

Marginal Convergence Repair Technique for Partial Articular-Sided Rotator Cuff Tears. [PDF]

Arthrosc Tech
Ghasemi SA, Fabregas A, Naja A, Bartolozzi A, Raphael J, Shaffer G.   +5 more
europepmc   +1 more source

Influence of margin level and finish line geometry on the trueness of digital scans. [PDF]

J Adv Prosthodont
Gözen M, Akın C.
europepmc   +1 more source

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Expected angle stability margin

SMC'98 Conference Proceedings. 1998 IEEE International Conference on Systems, Man, and Cybernetics (Cat. No.98CH36218), 2002
This paper develops a novel concept and computational framework of the expected angle stability margin (EASM) in electrical power systems. This new integrated index provides a common transient (angle) stability characteristic over a set of possible system configurations and contingencies, disturbances and faults, and load demand levels.
James A. Momoh, Yuri V. Makarov, Mahmoud Elfayoumy   +2 more
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Stability margins and robust stability

Journal of Computer and Systems Sciences International, 2010
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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DIRECT CALCULATION OF STABILITY MARGINS

IFAC Proceedings Volumes, 1994
Abstract A novel method is presented, which has been developed to compute stability margins in the parameter space and other related characteristics of linear control loops in a direct and efficient manner using methods of linear algebra. The algebraic representation of stability margins in terms of a pencil of resultant matrices opens the ...
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STABILITY MARGIN AND SPHERICAL UNCERTAINTY

Cybernetics and Systems, 2006
The article addresses the stability margin of multivariable dynamic systems as a comprehensive study of the influence of the uncertainties on the stability margin. Spherical uncertainties of a given norm are considered, minimal in Frobenius norm sense, producing a maximum influence on the stability margin of the system.
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The Intertemporal Stability of the Concentration-Margins Relationship

The Journal of Industrial Economics, 1986
Using a longitudinal data base, we find that there has been a substantial narrowing of the spread between the price-cost margins of concentrated and unconcentrated industries. Including measures of macroeconomic fluctuations into standard price-cost margin regressions, we find significant differences in cyclical behavior across market structure.
Domowitz, Ian, Hubbard, R Glenn, Petersen, Bruce C   +2 more
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Stability and stability margin for a two-dimensional system

IEEE Transactions on Signal Processing, 2006
In this paper, a necessary and sufficient condition is derived for the stability of the Fornasini-Marchesini (FM) first model proposed for two-dimensional (2-D) dynamic system descriptions. A connection has been established between the stability of this model and the structured singular value (SSV) of a constant matrix, which is now widely known in ...
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Stability Margins and Digital Implementation of Controllers

Proceedings of the 1998 American Control Conference. ACC (IEEE Cat. No.98CH36207), 1998
This paper investigates the robustness and related behaviour of control systems containing a digital implementation of a designed continuous time controller, mainly through examples. We determine the coefficient stability margin of the digital controller as the sampling time is varied.
L.H. Keel, S.P. Bhattacharyya
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