L.A.A.R. - Vol.30 - 2000

Vol. 30

2000

Nº 2

	CONTENTS
ARTICLES
L. R. Canali, M. R. Modesti, E. A. Destéfanis	A NEURAL NETWORK APPROACH FOR SURFACE INTERPOLATION INTENDED FOR CNC MACHINES	77
S. Lew, B. Cernuschi-Frías A	A PARALLEL ALGORITHM FOR THE DIAGONALIZATION OF SYMMETRIC MATRICES AND ITS NEURAL NETWORK IMPLEMENTATION	81
R. A. García, M. I. Troparevsky, J. L. Mancilla Aguilar	AN OBSERVER FOR NONLINEAR NOISY SYSTEMS	87
J. L. Mancilla Aguilar, R. A. García, M. I. Troparevsky	AN ALGORITHM FOR TRAJECTORY TRACKING IN SAMPLED DATA NONLINEAR SYSTEMS	93
G. L. Frontini, G. E. Eliçabe	COMBINATION OF INDIRECT MEASUREMENTS TO IMPROVE SIGNAL ESTIMATION	99
T. Pérez, J. C. Gómez, S. Junco	INDUCTION MOTOR PARAMETER AND STATE ESTIMATION USING NONLINEAR OBSERVERS	107
C. H. de Angelo, G. R. Bossio, G. O. García	LOSS MINIMIZATION IN DC MOTOR DRIVES	115
G. O. García, G. di Giannantonio, R. Leidhold, D. Forchetti	OPERATIONAL METHOD TO DEDUCE EQUIVALENT CIRCUITS IN DQ0 VARIABLES	119
C. A. Gayoso, C. M. González, J. Castiñeira	SIMULATED ANNEALING AND NEURAL NETWORKS FOR GATE MATRIX LAYOUT	125
C. Belaustegui Goitía	MAPPING OF PERFORMANCE OBJECTIVES FOR SYNCHRONOUS DIGITAL RADIO LINK DESIGN	135
N. O. Fuentes, H. O. Gavarini, M. I. Lopez Pumarega	ANALYSIS OF A NON DESTRUCTIVE EXPERIMENT OF ACOUSTIC EMISSION USING ANALOG AND DIGITAL DATA	143
G. V. Savino, A. M. Ormachea, M. A. Donzelli	IMPROVEMENT OF THE SIGNAL-TO-NOISE RATIO WITH STOCHASTIC RESONANCE IN A BISTABLE CIRCUIT	153
T. F. Bastos-Filho, M. Sarcinelli-Filho, R. A. C. Freitas	AN EFFICIENT OBSTACLE RECOGNITION SYSTEM FOR HELPING MOBILE ROBOT NAVIGATION	157
M. Sarcinelli-Filho, M. O. Camponêz	REVISITING A WELL-KNOWN CONSTANT-INPUT LIMIT CYCLE-FREE SECOND ORDER DIGITAL FILTER	165
A. Castro, J. F. Postigo, J. Manzano	INTEGRATION OF A FORCE FEEDBACK JOYSTICK WITH A VIRTUAL REALITY SYSTEM	171
Evan Ciner, M. C. Liberatori, L. Lopardo	CRYPTOGRAPHY. DATA ENCRYPTION STANDARD (DES) IMPLEMENTATION	179
H. R. Bambill, M. A. Jordán	TEST FOR GLOBAL IDENTIFIABILITY FOR NONLINEAR MODEL STRUCTURES	185
INSTRUCTIONS FOR AUTHORS		191

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