פרופ' עזרא זאב

הפקולטה למדעים
ראש מחלקה אקדמי
ראש מערך לימודי מוסמכים

Prof. Zeheb Ezra
Faculty of Sciences
Head of Graduate Studies
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Education

  • 1954
    -
    1958
    Technion-Israel Institute of Technology
    B.SC. in Electrical Engineering
  • 1960
    -
    1962
    Technion-Israel Institute of Technology
    M.Sc. in Electrical Engineering
  • 1962
    -
    1966
    Technion-Israel Institute of Technology
    D.Sc. in Electrical Engineering

Research Fields

  • Theory and Design of Robustly Stable Systems
  • Theory and design of robutly stable systems
  • Filters and signal processing

Selected Publications

  • E. Zeheb, ( July 1982), Necessary and Sucient Conditions for the Existence of Real Roots of a Quartic Equation, International Jour. Circuit Theory and Applications, Vol. 10, July 1982, pp. 289-291,
  • E. Zeheb, (Jan. 83), On N-Dimensional Impedances, International Jour. Circuit Theory and Applications, Vol. 11, No. 1, Jan. 83, pp. 106-108,
  • E. Zeheb, (April 1984), Another Simpli cation in Multidimensional Stability Tests, IEEE Trans. Audio Speech and Signal Processing, Vol. 32, April 1984, p. 453-455,
  • E. Zeheb, (Nov. 1986), A Sucient Condition for Output Feedback Stabilization of Uncertain Systems, IEEE Trans. Automat. Contr., Vol. AC-31, Nov. 1986, pp. 1055-1057,
  • I.E. Jury and E. Zeheb, ( Oct. 1986), On a Stability Test for a Class of Distributed Parameter Systems with Delays, IEEE Trans. on Circ. and Syst., Vol. CAS-33, Oct. 1986, pp. 1027-1028,
  • E. Zeheb, (May 15, 1988), On Polynomials Having All Zeros in a Half Strip of the Complex Plane, Journal of Math. Analysis and Appl., Vol. 132, No. 1, May 15, 1988, pp. 75-86,
  • N.K. Bose, E.I. Jury and E. Zeheb, (Dec. 1988), On Robust Hurwitz and Schur Polynomials, IEEE Trans. on Automat. Contr., Vol. 33, Dec. 1988, pp. 1166-1168,
  • E. Zeheb, (1989), Necessary and Sucient Conditions for Root Clustering of a Polytope of Polynomials in a Simply Connected Domain, IEEE Trans. on Automat. Contr., Vol. 34, 1989, pp. 986-990,
  • E. Zeheb, ( 1990), Necessary and Sucient Conditions for Robust Stability of a Continuous System - The Continuous Dependency Case Illustrated Via Multilinear Dependency, IEEE Trans. on Circ. and Syst., Vol. CAS-37, 1990, pp. 47-53,
  • E. Zeheb, (March, 1991), On the Largest Modulus of Polynomial Zeros, IEEE Trans. on Circ. and Syst., Vol. CAS-38, March, 1991, pp. 333-337,
  • E. Zeheb, (Jan. 1993), Necessary and Sucient Conditions for Robust Stability of Discrete Systems with Coecients Depending Continuously on Two In- terval Parameters, Automatica Special Issue on Robust Control, Vol. 29, No. 1, Jan. 1993, pp. 241-244,
  • A. Betser and E. Zeheb, ( Jan. 1995), Modi ed Output Error Identi cation-Elimination of the SPR Condition, IEEE Trans. Automat. Contr., Vol. 40, Jan. 1995, pp. 190-193,
  • J. Hocherman, J. Kogan and E. Zeheb, (1995), On Exponential Stability of Lin- ear Systems and Hurwitz Stability of Characteristic Quasipolynomials, Syst. and Contr. Lett., Vol. 25, No. 1, 1995, pp. 1-7,
  • A. Betser, N. Cohen and E. Zeheb, (1995), On Solving the Lyapunov and Stein Equations for a Companion Matrix, Syst. and Contr. Lett., Vol. 25, No. 3, 1995, pp. 211-218,
  • A. Levkovich, N. Cohen and E. Zeheb, ( Dec. 1996), A Root Distribution Criterion for an Interval Polynomial in a Sector, IMA Journal of Mathematical Control and Information, Vol. 13, Dec. 1996, pp. 321-333,
  • L. Naimark and E. Zeheb, (1997), An Extension of the Levy-Desplanque Theo- rem and Some Stability Conditions for Matrices with Uncertain Entries, IEEE Trans. on Circuits and Systems, I, Vol. 44, Feb. 1997, pp. 167-170,
  • L. Naimark and E. Zeheb, (1997), All Constant Gain Stabilizing Controllers for an Interval Delay System with Uncertain Parameters, Automatica, Vol. 33, Sept. 1997, pp. 1669-1675,
  • J. Hocherman, J. Kogan, A. Leizarowitz and E. Zeheb, (1998), Robust Sta- bility of Quasipolynomials with Annular Uncertainty, Jour. of Multi- Dimensional Systems and Signal Processing, Vol. 9, 1998, pp. 77-92,
  • E. Zeheb, (1999), Robust Stability of Non-Linear Time Varying Systems, Ky- bernetika, Vol. 35, 1999, pp. 415{428,
  • E. Zeheb, O. Mason, S. Solmaz and R. Shorten, (2007), Some Results on Quadratic Stability of Switched Systems with Interval Uncertainty, International Journal of Control, Vol. 80, No. 6, June 2007, pp. 825{831,
  • E. Zeheb and Y. Dolgin, (2008), Design for Positivity of Analytic Functions, IMA Journal of Mathematical Control and Information, Vol. 25, No. 4, Dec. 2008, pp. 409{417,
  • V. Spitsa, A. Alexandrovitz and E. Zeheb, (2010), Design of a Robust State Feedback Controller for a STATCOM Using a Zero Set Concept, IEEE PES Trans. on Power Delivery, Vol. 25, No. 1, Jan. 2010, pp. 456{467,
  • A. Nakhmani, M. Lichtsinder and E. Zeheb, (2011), Generalized Bode Envelopes and Generalized Nyquist Theorem for Analysis of Uncertain Systems, International Journal of Robust and Nonlinear Control, Vol. 21, No. 7, 2011, pp. 752{767,
  • Y. Dolgin and E. Zeheb, (2011), LMI Characterization of General Stability Regions for Polynomials, IEEE Trans. on Automat. Contr., Vol. 56, No. 4, April 2011, pp. 890{895,
  • Y. Dolgin and E. Zeheb, (2014), Linear Constraints for Convex Approximation of the Stability Domain of Polynomials in Coecient Space, in AMS Contemporary Mathematics, Vol. 619, 2014, pp. 49{58,
  • J. Y. Kaminski, R. Shorten and E. Zeheb, (2015), Exact Stability Test and Sta- bilization for Fractional Systems, Systems and Control Letters, Vol. 85, Nov. 2015, pp. 95{99,
  • M. Corless, E. Zeheb and R. Shorten, (2019), On the SPRi cation of linear descriptor systems via output feedback, IEEE Trans. on Automatic Control, Vol. 64, No. 4, April 2019, pp. 1535{1549,
  • S. S. Kumar Sajja, M. Corless, E. Zeheb and R. Shorten, (2019), Some stability tests for switched descriptor systems, Automatica, 106, Sept. 2019, pp. 257{265,
  • E. Zeheb and E. Walach, (1981), Zero Sets of Multiparameter Functions and Stability of Multidimensional Systems, IEEE Trans. on Audio Speech and Signal Processing, Vol. ASSP-29, April 1981, pp. 197-2O6,
  • E. Zeheb and E. Walach, (1981), Necessary and Sucient Conditions for Abso- lute Stability of Linear n-Ports, International Jour. Circuit Theory and Applications, Vol. 9, July 1981, pp. 311-33O,

Grants & Awards

  • Fellow of the Institute of Electrical and Electronics Engineers
    (I.E.E.E.), with the citation:
    For contributions to the theory and design of robustly stable
    systems".
  • Fellow of the Institution of Electrical Engineers, United Kingdom
    (I.E.E.).
  • Nominated to the Gerard Swope Chair in Electrical Engineering.
  • Distinguished Visiting Professor, University of Western Australia, Perth, Australia.
  • Honorary Fellow of the Society of Electrical and Electronics
    Engineers in Israel.