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A discussion of dynamic stability measurement techniques [PDF]

Techniques for the measurement of the dynamic stability of linear systems are discussed. Particular attention is given to an analysis of the errors in the procedures, and to methods for calculating the system damping from the data.
Johnson, W.
core +1 more source

Dynamical velocity selection: Marginal stability

Physical Review Letters, 1987
Dee et al. have advanced the idea that the natural velocity of fronts propagating into an unstable state is related to the stability of these fronts through ``marginal stability.'' It is shown that this is indeed the case if front solutions lose stability through one particular mechanism. Marginal stability is derived for front propagation in the Swift-
openaire +5 more sources

Local Dynamic Stability During the 1-Minute Sit-to-Stand Test: Directional Differences and Associations with Body Composition in Healthy Adult Women

Biomechanics
Background: The 1 min sit-to-stand test (1-MSTST) is a widely used functional assessment involving repetitive sit-to-stand transitions. This study examined local dynamic stability during the 1-MSTST across three acceleration directions, compared young ...
Arunee Promsri +3 more
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Solution of Time Fractional SIQR Epidemic System and Research with Respect to the Fractional Order

Fractal and Fractional
This article deals with the global existence and uniqueness of solutions to a fractional-order SIQR epidemic model, alongside its intricate chaotic and complex dynamics as functions of the fractional order.
Pingping Li, Zhen Wang, Gongsheng Li
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Local stability under evolutionary game dynamics [PDF]

We prove that any regular ESS is asymptotically stable under any impartial pairwise comparison dynamic, including the Smith dynamic; under any separable excess payoff dynamic, including the BNN dynamic; and under the best response dynamic.
Sandholm, William H.
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On Dynamical Stability in General Dynamical Systems

Journal of Mathematical Analysis and Applications, 2001
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Dinámica de la frecuencia del Sistema InterconectadDinámica Interconectado Ecuador-Colombia; Dinamic of the frequency of the interconected system Ecuador- Colombia

Revista Científica de Ingeniería Energética, 2011
En el presente trabajo se propone un procedimiento para estudiar la dinámica de lafrecuencia del sistema interconectado Ecuador-Colombia, ante la salida de unidadesgeneradoras cuando no se dispone de la información necesaria del sistema el ...
Marcelo Arias Castañeda, Antonio Martínez García +1 more
doaj

Leveraging Sensor Technology to Characterize the Postural Control Spectrum

Sensors
The purpose of this paper is to describe ongoing research on appropriate instrumentation and analysis techniques to characterize postural stability, postural agility, and dynamic stability, which collectively comprise the postural control spectrum.
Christopher Aliperti +5 more
doaj +1 more source

Cooperative control of virtual energy storage devices for energy regulation and rapid frequency support

Frontiers in Energy Research
Various controllable resources contribute to energy regulation and rapid support in the form of virtual energy storage (VES), which can significantly simplify control parameters and facilitate the evaluation of a microgrid’s economic and secure ...
Zheng Yang +4 more
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Aerodynamic Characteristics and Dynamic Stability of Coning Motion of Spinning Finned Projectile in Supersonic Conditions

Aerospace
For a spinning projectile, coning motion induced by disturbances during flight can have a unique impact on the lateral force and yawing moment, which may further affect flight stability and maneuverability.
Jintao Yin +5 more
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humans
static stability