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Conservation laws of physics in Dirac vacuum and β-decay of nuclei
1995 Edition, Volume 6, December 1, 1995 - China Aerospace Science and Industry Corporation (CASIC)

The laws of conservation of energy, linear momentum, and angular momentum of a system form a closed unit according to Noether's theorem. A generalization of these laws (including spin) for elementary particles taking into account the states...

Parameter estimation in conservation laws
1991 Edition, January 1, 1991 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The author considers the numerical approximations for estimating parameters in conservation laws from observed data. In particular, he discusses monotone and essentially nonoscillatory schemes for solving the conservation law, together with...

Control and stabilization of a linearized system of conservation laws
2016 Edition, May 1, 2016 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

It is considered the combined heat electricity generation system where the steam extraction of the turbine is connected to the heat consumer by a steam pipe described by a system of conservation laws. There exist two ways of linearizing these conservation...

Discovering Conservation Laws from Data for Control
2018 Edition, December 1, 2018 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Conserved quantities, i.e. constants of motion, are critical for characterizing many dynamical systems in science and engineering. These quantities are related to underlying symmetries and they provide fundamental knowledge about physical laws, describe the...

Verification of near-field calcuations by conservation laws
2016 Edition, July 1, 2016 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

There are several methods to solve Maxwell's equations exactly in an optical structure. Deviations from the accurate solution may occur due to finite mesh size or due to mode truncation. An experimental verification of the near fields is usually very difficult. Here we propose to use...

Nonlinear properties of a polarized Dirac vacuum
2005 Edition, January 1, 2005 - IEEE - Institute of Electrical and Electronics Engineers, Inc.
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Controller synthesis for a system of conservation laws
2016 Edition, October 1, 2016 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In the paper there is considered a benchmark application for control in co-generation composed of a steam turbine with one steam extraction connected to the steam consumer by a long steam pipe. It is discussed the linearized model starting from the conservation...

Field Port-Lagrangian Representation of Conservation Laws for Variational Symmetries
2006 Edition, December 1, 2006 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper studies the relation between conservation laws and symmetries from the point of view of port-representation. First, the formal structure of conservation laws is defined by the field port-Lagrangian system for such symmetries. Next,...

Playing with the Bandwidth Conservation Law
2008 Edition, September 1, 2008 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We investigate performance bounds of P2P systems by application of the law of bandwidth conservation. This approach is quite general and allows us to consider various sharing systems such as fixed-rate streaming, VoD-type streaming, and elastic file...

Mapped WENO Reconstructions in Relaxation Scheme for Hyperbolic Conservation Laws
2009 Edition, Volume 1, April 1, 2009 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A new relaxation scheme for solving one-dimensional systems of conservation laws is presented in this paper. This scheme is based on combining a mapped weighted essentially nonoscillatory (WENO) reconstruction with relaxation approximation method proposed by Jin...

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