نتایج جستجو برای: system inertia constant

تعداد نتایج: 2407888  

2006
JONATHAN J. WYLIE HUAXIONG HUANG

We consider the role played by viscous heating in extensional flows of viscous threads with temperature-dependent viscosity. The results show that there exists an interesting interplay between the effects of viscous heating, which accelerates thinning, and inertia, which prevents pinch-off. We consider steady drawing of a thread that is fed through a fixed aperture at given speed and pulled wit...

Journal: :IAES International Journal of Artificial Intelligence 2023

This paper describes the impedance characteristics of human arm during passive movement. The was moved in desired trajectory. motion actuated by a 1-degree-of-freedom robot system. Trajectories used experiment were minimum jerk (the rate change acceleration) trajectories, which found and cooperative task optimum for muscle As is mechanically analogous to spring-damper system, second-order equat...

Journal: :Physical review letters 2012
J Vogel M Bonfim N Rougemaille O Boulle I M Miron S Auffret B Rodmacq G Gaudin J C Cezar F Sirotti S Pizzini

Domain wall motion induced by nanosecond current pulses in nanostripes with perpendicular magnetic anisotropy (Pt/Co/AlO(x)) is shown to exhibit negligible inertia. Time-resolved magnetic microscopy during current pulses reveals that the domain walls start moving, with a constant speed, as soon as the current reaches a constant amplitude, and no or little motion takes place after the end of the...

Background and Objectives: Virtual inertia control, as a component of a virtual synchronous generator, is used for the implementation of synchronous generator behaviour in microgrids. In microgrids that include high-capacity distributed generation resources, in addition to virtual inertia, virtual damping can also lead to improvement of frequency stability of the microgrid. The purpose of the c...

2014
Jean-Pierre Lebeau Jean-Sébastien Cadwallader Isabelle Aubin-Auger Alain Mercier Thomas Pasquet Emmanuel Rusch Kristin Hendrickx Etienne Vermeire

BACKGROUND Therapeutic inertia has been defined as the failure of health-care provider to initiate or intensify therapy when therapeutic goals are not reached. It is regarded as a major cause of uncontrolled hypertension. The exploration of its causes and the interventions to reduce it are plagued by unclear conceptualizations and hypothesized mechanisms. We therefore systematically searched th...

A specific form of the inertial law is presented by which we can gain a deeper insight into the essence of mass and inertia. In this modified theory, there is no need to keep the concept of absolute space and Newton's third law as principles, By introducing a convenient form for gravitational law the coupling constant G becomes a function of inertial parameters of the universe

Babak Adham Naser Ghorbani, Payam Farhadi

In this paper particle swarm optimization with smart inertia factor (PSO-SIF) algorithm is proposed to solve combined heat and power economic dispatch (CHPED) problem. The CHPED problem is one of the most important problems in power systems and is a challenging non-convex and non-linear optimization problem. The aim of solving CHPED problem is to determine optimal heat and power of generating u...

Journal: :Energija 2022

The paper presents the importance of grid inertia constant for frequency stability future high-res low-inertia power systems. Since more and renewable energy sources (RES) are being connected to system via converters, is reduced. This issue can be mitigated by applying appropriate control mechanisms through which RES provide virtual rotating reserves primary control. concept a synchronous gener...

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