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The Stability Radius: A New Indicator of Unconditional Stability for N-Port Linear Networks

IEEE Microwave and Wireless Components Letters, 2022
A new indicator of unconditional stability is proposed, which is well suited to $N$ -port networks called the stability radius. When compared to previous work on this subject, the new indicator is unique, irrespective of $N$ , and has a clear ...
S. Colangeli   +4 more
semanticscholar   +1 more source

The stability radius of an optimal line balance with maximum efficiency for a simple assembly line

European Journal of Operational Research, 2019
We consider a simple assembly line balancing problem in which each element of the partially ordered set of assembly operations must be assigned to one element of the set of workstations used for processing the operations.
Tsung-Chyan Lai, Y. Sotskov, A. Dolgui
semanticscholar   +1 more source

Stability radius formulation of L σ ‐gain in positive stabilisation of regular and time‐delay systems

IET Control Theory & Applications, 2019
This study initially considers the relationship between stability radius and L σ -gain of linear time-invariant positive systems. The L 1 -, L 2 -, and L ∞ -gains of an asymptotically stable positive system are characterised in terms of stability ...
B. Shafai, M. Naghnaeian, Jie Chen
semanticscholar   +1 more source

Stability assessment of distal radius fractures

Injury, 1989
A total of 112 consecutive cases of fractures of the distal radius managed conservatively were graded according to radiological criteria using the first radiograph. These criteria, as well as age over 60 years, were considered as gravity factors. A strong correlation was found between these criteria and the risk of secondary displacement, despite a ...
Lafontaine, Murielle   +2 more
openaire   +2 more sources

Biomechanical Evaluation of Distal Radius Fracture Stability

Journal of Orthopaedic Trauma, 1998
(a) To determine the radiographic correlation between an artificially created dorsal comminution (via a wedge osteotomy) and dorsal tilt (clinical instability) and (b) to determine the efficacy of cast immobilization in maintaining reduction of the simulated fracture pattern as a predictor of successful treatment in the clinical setting.Biomechanical ...
M G, Zmurko, W A, Eglseder, S M, Belkoff
openaire   +2 more sources

Structured Stability Radius

1995
Abstract In applications, Ω is considered a “good” set, and a matrix X having all its eigenvalues in O is considered a “good” matrix. For example, if n is the open left half-plane, then a “good” matrix means that the matrix is c-stable. In general, r(A; B, C, Ω) can be interpreted informally as the “distance” from a given “good” matrix A
Peter Lancaster, Leiba Rodman
openaire   +1 more source

Directional stability radius-a stability analysis tool for uncertain polynomial systems

Proceedings of the 41st SICE Annual Conference. SICE 2002., 2003
Coefficients of characteristic polynomials for stable parametrically uncertain systems are allowed to perturb to some extent for stability. Stability radius is a useful tool to assess the allowance of the stability for the systems. To enhance its usefulness, we modify stability radius so that it takes into account of given restricted perturbations ...
K. Kawabata, T. Mori, Y. Kuroe
openaire   +1 more source

Enlarging the radius of stability and stability regions in Data Envelopment Analysis

European Journal of Operational Research, 2019
This paper extends fundamental results on metric sensitivity in Data Envelopment Analysis. Specifically, it shows how to obtain a larger radius of stability for a decision- making unit (DMU) by exploiting knowledge about its variability, and how to enlarge a DMU's region of stability to a nonsymmetric hyperbox.
Luka Neralić, Richard E. Wendell
openaire   +3 more sources

Maximizing the stability radius: an LMI approach

Proceedings of the 2001 American Control Conference. (Cat. No.01CH37148), 2001
Given a stabilizable linear system Ex/spl dot/ = Ax + Bu with sE - A regular, we analyze the stability robustness of the closed-loop system (E + BK) = (A + BF)x + v, obtained by proportional and derivative (PD) state feedback u = Fx Kx/spl dot/ + v. Our goal is to maximize the stability radius of the closed-loop system matrix s(E + BK) - (A + BF) over ...
C. Oari, R. Stefan, P. Van Dooren
openaire   +1 more source

Stability radius optimization: A geometric approach

Systems & Control Letters, 1990
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +1 more source

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