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ORCIDUmberto Viaro
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- affiliation: Università degli Studi di Udine, Italy
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2020 – today
- 2022
[j28]Daniele Casagrande
, Wieslaw Krajewski, Umberto Viaro:
On the robust stability of commensurate fractional-order systems. J. Frankl. Inst. 359(11): 5559-5574 (2022)- 2021
- [j27]Daniele Casagrande, Wieslaw Krajewski, Umberto Viaro:
Elementary Derivation of the Nyquist Criterion for Fractional-Order Feedback Systems. IEEE Open J. Circuits Syst. 2: 16-22 (2021) - [c18]Daniele Casagrande, Wieslaw Krajewski, Umberto Viaro:
On polynomial root distribution with respect to a sector. MMAR 2021: 227-232
2010 – 2019
- 2019
- [c17]Franco Blanchini, Daniele Casagrande, Giulia Giordano, Umberto Viaro:
A switched model for mixed cooperative-competitive social dynamics. ECC 2019: 3514-3519 - [c16]Daniele Casagrande, Wieslaw Krajewski, Umberto Viaro:
AN INTERPOLATION APPROACH TO THE INTEGER-ORDER APPROXIMATION OF FRACTIONAL-ORDER SYSTEMS. MMAR 2019: 237-242 - 2018
- [j26]Wieslaw Krajewski, Umberto Viaro:
Routh-type $L_2$ model reduction revisited. Kybernetika 54(3): 557-575 (2018) - [j25]Franco Blanchini, Daniele Casagrande, Giulia Giordano, Umberto Viaro:
A Bounded Complementary Sensitivity Function Ensures Topology-Independent Stability of Homogeneous Dynamical Networks. IEEE Trans. Autom. Control. 63(4): 1140-1146 (2018) - [c15]Daniele Casagrande, Wieslaw Krajewski, Umberto Viaro:
On Polynomial Zero Exclusion from an RHP Sector. MMAR 2018: 648-653 - 2017
- [c14]Franco Blanchini, Daniele Casagrande, Wieslaw Krajewski, Umberto Viaro:
A method for the order reduction of linear switching systems. MMAR 2017: 279-284 - 2016
- [j24]Franco Blanchini, Daniele Casagrande, Stefano Miani, Umberto Viaro:
Stable LPV realisation of the Smith predictor. Int. J. Syst. Sci. 47(10): 2393-2401 (2016) - [j23]Franco Blanchini, Daniele Casagrande, Giulia Giordano, Umberto Viaro:
Robust constrained Model Predictive Control of fast electromechanical systems. J. Frankl. Inst. 353(9): 2087-2103 (2016) - [c13]Daniele Casagrande, Wieslaw Krajewski, Umberto Viaro:
Adapting state-space reduction techniques to match steady-state responses. MMAR 2016: 1234-1239 - 2015
- [c12]Franco Blanchini, Daniele Casagrande, Giulia Giordano, Umberto Viaro:
Properties of switching-dynamics race models. ECC 2015: 2902-2907 - [c11]Daniele Casagrande, Wieslaw Krajewski, Umberto Viaro:
A feedback model of evolutionary adaptation. MMAR 2015: 412-417 - [c10]Wieslaw Krajewski, Umberto Viaro:
A New Method for the Integer Order Approximation of Fractional Order Models. RRNR 2015: 81-92 - 2014
- [j22]Wieslaw Krajewski, Umberto Viaro:
A method for the integer-order approximation of fractional-order systems. J. Frankl. Inst. 351(1): 555-564 (2014) - [c9]Daniele Casagrande, Wieslaw Krajewski, Umberto Viaro:
LPV embedding of nonlinear compartmental systems with endogenous control. MMAR 2014: 891-896 - 2013
- [c8]Wieslaw Krajewski, Umberto Viaro:
On robust PIλDμ control for time-delay non-integer order plants. MMAR 2013: 616-621 - 2012
- [c7]Franco Blanchini, Daniele Casagrande, Stefano Miani, Umberto Viaro:
An LPV control scheme for induction motors. CDC 2012: 7602-7607 - [c6]Wieslaw Krajewski, Umberto Viaro:
On robust PID control for time-delay plants. MMAR 2012: 540-545 - 2011
- [j21]Wieslaw Krajewski, Stefano Miani, Aurelio Carlos Morassutti, Umberto Viaro:
Switching Policies for Mold Level Control in Continuous Casting Plants. IEEE Trans. Control. Syst. Technol. 19(6): 1493-1503 (2011) - [c5]Wieslaw Krajewski, Umberto Viaro:
On the rational approximation of fractional order systems. MMAR 2011: 132-136 - 2010
- [j20]Franco Blanchini, Daniele Casagrande, Stefano Miani, Umberto Viaro:
Stable LPV Realization of Parametric Transfer Functions and Its Application to Gain-Scheduling Control Design. IEEE Trans. Autom. Control. 55(10): 2271-2281 (2010)
2000 – 2009
- 2009
- [c4]Franco Blanchini, Daniele Casagrande, Stefano Miani, Umberto Viaro:
Stable LPV realization of parametric transfer functions and its application to gain-scheduling control design. CDC 2009: 7436-7441 - 2008
- [j19]Wieslaw Krajewski, Umberto Viaro:
Locating the equilibrium points of a predator-prey model by means of affine state feedback. J. Frankl. Inst. 345(5): 489-498 (2008) - 2007
- [j18]Franco Blanchini, Stefano Miani, Matteo Tomasini, Luca Tubiana, Umberto Viaro, Mauro Zigliotto:
A minimum-time control strategy for torque tracking in permanent magnet AC motor drives. Autom. 43(3): 505-512 (2007) - [j17]Wieslaw Krajewski, Umberto Viaro:
On MIMO model reduction by the weighted equation-error approach. Numer. Algorithms 44(1): 83-98 (2007) - 2005
- [j16]Wieslaw Krajewski, Antonio M. Lepschy, Stefano Miani, Umberto Viaro:
Frequency-domain approach to robust PI control. J. Frankl. Inst. 342(6): 674-687 (2005) - 2004
- [j15]Franco Blanchini, Antonio M. Lepschy, Stefano Miani, Umberto Viaro:
Characterization of PID and lead/lag compensators satisfying given H∞ specifications. IEEE Trans. Autom. Control. 49(5): 736-740 (2004) - [j14]Wieslaw Krajewski, Antonio M. Lepschy, Umberto Viaro:
Designing PI controllers for robust stability and performance. IEEE Trans. Control. Syst. Technol. 12(6): 973-983 (2004) - [c3]Augusto Ferrante, Wieslaw Krajewski, Antonio M. Lepschy, Stefano Miani, Umberto Viaro:
Simultaneous stabilization of multiple equilibrium points. CDC 2004: 2533-2536 - 2003
- [c2]Franco Blanchini, Antonio M. Lepschy, Stefano Miani, Umberto Viaro:
Characterization of standard controllers satisfying given H∞ specifications. CDC 2003: 6474-6479 - 2002
- [j13]Augusto Ferrante, Wieslaw Krajewski, Antonio M. Lepschy, Umberto Viaro:
Analytic stability margin design for unstable and nonminimum-phase plants. IEEE Trans. Autom. Control. 47(12): 2117-2121 (2002)
1990 – 1999
- 1999
- [j12]Augusto Ferrante, Wieslaw Krajewski, Antonio M. Lepschy, Umberto Viaro:
Convergent algorithm for L2 model reduction. Autom. 35(1): 75-79 (1999) - [j11]Augusto Ferrante, Antonio M. Lepschy, Umberto Viaro:
A simple proof of the Routh test. IEEE Trans. Autom. Control. 44(6): 1306-1309 (1999) - 1995
- [j10]Wieslaw Krajewski, Antonio M. Lepschy, Michela Redivo-Zaglia, Umberto Viaro:
A program for solving the L2 reduced-order model problem with fixed denominator degree. Numer. Algorithms 9(2): 355-377 (1995) - [j9]Wieslaw Krajewski, Antonio M. Lepschy, Umberto Viaro:
Model reduction by matching Markov parameters, time moments, and impulse-response energies. IEEE Trans. Autom. Control. 40(5): 949-953 (1995) - 1994
- [j8]Wieslaw Krajewski, Antonio M. Lepschy, Michela Redivo-Zaglia, Umberto Viaro:
Results of the Application of an Algorithm for L2 Model Reduction. J. Circuits Syst. Comput. 4(3): 295-304 (1994) - [j7]Wieslaw Krajewski, Antonio M. Lepschy, Umberto Viaro:
Reduction of linear continuous-time multivariable systems by matching first- and second-order information. IEEE Trans. Autom. Control. 39(10): 2126-2129 (1994) - [j6]Alessandro Beghi, Antonio M. Lepschy, Umberto Viaro:
A property of the Routh table and its use. IEEE Trans. Autom. Control. 39(12): 2494-2496 (1994) - 1993
- [j5]Carlo M. Monti, Gianfranco L. Pierobon, Umberto Viaro:
Synthesis of spectral densities using finite automata. IEEE Trans. Signal Process. 41(5): 1993-1996 (1993) - 1992
- [c1]Carlo M. Monti, Gianfranco L. Pierobon, Umberto Viaro:
Synthesis of spectral densities using finite automata. ICASSP 1992: 421-424
1980 – 1989
- 1988
- [j4]Antonio M. Lepschy, Gian Antonio Mian, Umberto Viaro:
A note on line spectral frequencies [speech coding]. IEEE Trans. Acoust. Speech Signal Process. 36(8): 1355-1357 (1988) - 1987
- [j3]Antonio M. Lepschy, Gian Antonio Mian, Umberto Viaro:
A contribution to the stability analysis of second-order direct-form digital filters with magnitude truncation. IEEE Trans. Acoust. Speech Signal Process. 35(8): 1207-1210 (1987) - 1986
- [j2]Antonio M. Lepschy, Gian Antonio Mian, Umberto Viaro:
Comments, with reply, on 'ARMA spectral estimation of time series with missing observations' by B. Porat and B. Friedlander. IEEE Trans. Inf. Theory 32(4): 601-602 (1986) - [j1]Claudio Cobelli, Antonio M. Lepschy, Giorgio Romanin-Jacur, Umberto Viaro:
On the Relationship between Forrester's Schematics and Compartmental Graphs. IEEE Trans. Syst. Man Cybern. 16(5): 723-726 (1986)
Coauthor Index
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