The analysis of saturated machines is generally performed with the stator and rotor currents, or mixed combinations of currents and flux linkages as state variables were also taken into account. A synthesis of possible models of induction machines is presented. Possible models contain explicit terms that describe cross-saturation except for the winding flux model. This paper treats the impact o...

1. Background: Current State of the Art F.T. de Dombal (UK) 2. Clinicians Needs and Requirements: N. Zoltie (UK) Pragmatic, Conceptual, J. Henriques (Portugal) 3. Technical progress towards meeting needs G. Maunder (UK) and P. Cusimano (UK) 4. Specific practical considerations: J. Davey (UK) Safety and security, Evaluation and Quality, 5. Round Table Discussion. O. Winding (Denmark), S. Clamp (...

In the usual d dimensional SO(d) gauged Higgs models with d-component Higgs fields, the ’energies’ of the topologically stable solitons are bounded from below by the ChernPontryagin charges. A new class of Higgs models is proposed here, whose ’energies’ are stabilised instead by the winding number of the Higgs field itself, with no reference to the gauge group. Consequently, such Higgs models c...

This study presents a simplified approach to studying the dynamics of global texture collapse. We derive equations of motion for a spherically symmetric field configuration using a two parameter ansatz. Then we analyze the effective potential for the resulting theory to understand possible trajectories of the field configuration in the parameter space of the ansatz. Numerical results are given ...

The Coulomb gas representation of expectation values in SU(2) conformal field theory developed by Dotsenko is extended to the SL(2,R) WZW model and applied to bosonic string theory on AdS3 and to Type II superstrings on AdS3×N . The spectral flow symmetry is included in the free field realization of vertex operators creating superstring states of both Ramond and Neveu-Schwarz sectors. Conjugate...

We study single-texture collapse using a leapfrog discretization method on a 30X30X30 spatial lattice. We investigate the influence of boundary conditions, physical size of the lattice, type of space-time background (flat, i.e., nonexpanding, vs radiation-dominated and matter-dominated universes), and spatial distribution of the initial texture configuration on collapse time and critical windin...

We consider the configuration space of the Skyrme model and give a simple proof that loops generated by 2π-rotations are contractible in the even-, and noncontractible in the odd-winding-number sectors.

The Coulomb gas representation of expectation values in SU(2) conformal field theory developed by Dotsenko is extended to the SL(2,R) WZW model and applied to bosonic string theory on AdS3 and to Type II superstrings on AdS3×N . The spectral flow symmetry is included in the free field realization of vertex operators creating superstring states of both Ramond and Neveu-Schwarz sectors. Conjugate...

In the framework of noncommutative geometry we describe spinor fields with nonvanishing winding number on a truncated (fuzzy) sphere. The corresponding field theory actions conserve all basic symmetries of the standard commutative version (space isometries and global chiral symmetry), but due to the noncommutativity of the space the fields are regularized and they contain only finite number of ...