Vlad Ștefăniță Ionescu (n. 22 aprilie 1938, București – d. 28 mai 2000, București) a fost un inginer român, membru corespondent (1996) al Academiei Române.

Lucrări publicate Monografii C. Penescu, V. Ionescu, E. Rosinger, Mathematical Programming with Applications to Power- Generation (in Romanian), Romanian Academy Publishing House, 1967. C. Penescu, V. Ionescu, E. Rosinger, Optimization Theory (in Romanian), Romanian Academy Publishing House, 1970. V. Ionescu, Linear Systems (in Romanian), Romanian Academy Publishing House, 1973 (awarded with the Romanian Academy Prize in 1973). V. Ionescu, L. Lupas, Computation Techniques: Linear Systems (in Romanian), 'Tehnica' Publishing House, 1974. V. Ionescu, L. Lupas, Computation Techniques: Optimal Systems (in Romanian), 'Tehnica' Publishing House, 1974. V. Ionescu, Introduction to Structural Theory of Linear Systems (in Romanian), Romanian Academy Publishing House, 1975. V. Ionescu, Structural Synthesis of Linear Systems (in Romanian), Romanian Academy Publishing House, 1979. V. Ionescu, C. Popeea, Systems Theory: A Geometric Approach (in Romanian), 'Tehnica' Publishing House, 1986. V. Ionescu (Ed.) Automatica from A to Z (in Romanian), Scientific and Encyclopaedic Publishing House, 1988. A. Halanay, V. Ionescu, Time Varying Discrete Linear Systems, Birkhäuser, Basel, 1994. V. Ionescu, A. Varga, Systems Theory: Robust Synthesis, ALL Publisher, 1995. Comande Optimale (ed. J- M Dion), Chapters 3 - 5, Diderot, Paris, 1996. V. Ionescu, C. Oara, M. Weiss, Generalized Riccati Theory: A Popov Function Approach, John Wiley, 1998. V. Ionescu, A. Stoica, Robust Stabilization and H Problem, Kluwer Academic Publishers, Dordrecht, Boston, London, 1999. H. Abou-Kandil, G. Freiling, V. Ionescu, G. Jank, Matrix Riccati Equations in Control and Systems Theory, Birkhäuser, Basel, 2003.

Cursuri universitare

V. Ionescu, System Optimization (in Romanian), Editura Didactica si Pedagogica, 1981. V. Ionescu, Systems Theory (in Romanian), Editura Didactica si Pedagogica, 1985. V. Ionescu, Nonlinear Systems (in Romanian), Editura Didactica si Pedagogica, 1986.

Articole V. Ionescu, Nonharmonic analysis: A Hilbert space based approach, Electrotehnica no. 9, vol. 6, pp. 1–14, 1958. V. Ionescu, Théorème de l'énergie électromagnétique en régime déformant du champ électromagnétique (in Romanian), Compte-rendu de l'Academie Roumaine (Electr. et Energ.), no. 4, vol. 10, pp. 819–826, 1960. C. Penescu, V. Ionescu, Frequency sensors synthesis: Applicaton to frequency control (in Romanian), Automatica & Electronica no. 1, vol. 5, pp. 13–20, 1961. V. Ionescu, New trends in frequency control and power allocation (in Romanian), Energetica, no. 2, vol. 9, pp. 52–58, 1961. C. Mihaileanu, V. Ionescu, Mathematical representation of power systems equiped with speed and frequency control (in Romanian), Energetica, no. 2, vol. 9, p. 52-58, 1961. V. Ionescu, D. Leonida, Optimal allocation of power generation:The single area case (in Romanian), Energetica, no. 4, vol. 10, pp. 249–257, 1962. V. Ionescu, D. Leonida, Optimal allocation of power generation:The multi area case (in Romanian), Energetica, no. 6, vol. 10, pp. 148–159, 1962. V. Ionescu, Transient state of decentralized control systems (in Romanian), Compte-rendu de l'Academie Roumaine (Automatique), no. 2, pp. 118–198, 1962. S. Calin, V. Ionescu, Optimal tunning of P.I. controllers via second degree equivalent (in Romanian), Automatica & Electronica, no. 6, vol. 7, pp. 261–269, 1963. V. Ionescu, Suboptimal tuning of controllers for plants with input-time delay (in Romanian), vol. IRME, no. 2, pp. 1–14, 1963. S. Calin, V. Ionescu, Second degree equivalent applied to complex controller synthesis (in Romanian), Compte-rendu de l'Academie Roumaine (Automatique), no. 3, pp. 281–289, 1964. V. Ionescu, E. Rosinger, On the optimal synthesis of control systems (in Romanian), Automatica & Electronica, no. 6, vol. 8, pp. 1–14, 1964. V. Ionescu, Frequency and tie-line power control: The two areas case (in Romanian), vol. IRME, no. 3, pp. 12–24, 1964. V. Ionescu, D. Leonida, Steady state evaluation of parallel speed regulation (in Romanian), vol. IRME, no. 4, pp. 31–38, 1964. V. Ionescu, Some considerations on time-optimal control systems (in Romanian), Automatica & Electronica, no.5, vol. 9, pp. 234–241, 1965. Ionescu, Complex optimization of power systems by means of frequency-voltage control, IFAC Congress 1966, paper 21 C Power Systems, section 21, pp. 21C1-21C18. V. Ionescu, New aspects concerning the phase-frequency control (in Romanian), vol. IRME, no. 5, pp. 1–16, 1965. D. Leonida, V. Ionescu, Automatic loading of a hydroelectric power center (in Romanian), vol. IRME, no. 5, pp. 4–21, 1965. V. Ionescu, Gh. Varady, Simulation and modelling of power systems: objectives and performances (in Romanian), vol. IRME, no. 4, pp. 1–16, 1966. V. Ionescu, Some practical results on automatic power loading of a hydroelectric power plant (in Romanian), vol. IRME, no. 6, pp. 1–14, 1966. V. Ionescu, D. Leonida, Multiple level control of cascaded hydroelectric power plants (in Romanian), vol. IRME, no. 7, pp. 31–39, 1967. V. Ionescu, Continuous and sample data control systems: Analysis and synthesis (in Romanian), vol. IRME, no. 7, pp. 10–22, 1967. V. Ionescu, D. Leonida, Optimal multilevel control and energy optimization of cascaded hydroelectric plants (in Romanian), Energetica, no. 12, vol. 16, pp. 24–31, 1968. V. Ionescu, Input-state-output representation of linear systems (in Romanian), Automatica & Electronica, no. 2, vol. 16, pp. 41–58, 1972. V. Ionescu, On the canonical representation of a smooth finite dimensional linear system (in Romanian), Compte-rendu de l'Academie Roumaine (Electr. et Energ.), no. 4, vol. 22, pp. 993–1006, 1972. V. Ionescu, On the algebraic concept of the control law, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 4, vol.17, pp. 655–665, 1972. V. Ionescu, On the realisability and state space description of linear systems (in Romanian), Compte-rendu de l'Academie Roumaine ( Electr. et Energ.), no. 1, vol. 5, pp. 245–264, 1973. C. Penescu, V. Ionescu, DEDTS strategies for time- varying systems (in Romanian), Compte-rendu de l'Academie Roumaine (Electr. et Energ.), no. 6, pp. 80–96, 1973. V. Ionescu, On the algebraic model of the time invariant finite dimensional linear and smooth systems, Revue Roum. des Sci.Tech., Serie c, no. 2, vol. 18, pp. 292–310, 1973. V. Ionescu, Estimation and implicit state- feedback synthesis (in Romanian), Compte-rendu de l'Academie Roumaine (Electr. et Energ.), no. 2, vol. 23, pp. 527–550, 1973. V. Ionescu, An algorithm for computing the standard controllable canonical form (in Romanian), Compte-rendu de l'Academie Roumaine (Electr. et Energ.), no.4, vol. 23, pp. 1009–1023, 1973. V. Ionescu, On the method of particular solutions for solving the optimal control problem, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 1, vol. 18, pp. 119–135, 1974. V. Ionescu, Canonical forms for multiple-input time-variable systems, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no.1, vol. 19, pp. 461–478, 1974. V. Ionescu, Some remarks concerning system compensation (in Romanian), Compte-rendu de l'Academie Roumaine (Electr. et Energ.), no. 9, pp. 167–173, 1974. V. Ionescu, The concept of finiteness in the realization theory of time invariant systems, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 1, vol. 18, pp. 99–113, 1975. V. Ionescu, On the design of low-order observers, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 3, vol. 20, pp. 425– 431, 1975. V. Ionescu, Control law design for arbitrary pole allocation, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 1, vol. 21, pp. 61–68, 1976. V. Ionescu, On the controllability and observability of discrete systems, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 2, vol. 21, pp. 265–279, 1976. V. Ionescu, An efficient algorithm for computing the invariant factors, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 3, vol. 21, pp. 419–430, 1976. V. Ionescu, On the tracking and regulation problem, Revue Roum. des Sci. Tech., Serie Electr. et Energ. , no. 4, vol. 21, pp. 567–574, 1976. V. Ionescu, On the invertibility of linear systems, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 2, vol. 22, pp. 250–258, 1977. C. Popa, V. Ionescu, Heuristics in System Science (in Romanian), J. of Philosophy, no. 4 , pp. 110–118, 1977. V. Ionescu, A decoupling and pole assignment algorithm for right invertibility linear systems, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 1, pp. 28–36, 1978. V. Ionescu, C. Popeea, On pole assignment in linear multivariable systems, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 1, vol. 28, pp. 11–27, 1981. V. Ionescu, C. Popeea, Stable closed loop solutions to model matching problem, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 2, pp. 429–440, 1978. V. Ionescu, An algorithm for decentralized stabilization of linear systems, Proc. of the 3rd Int. Symp. on Control Syst. and Computer Science, pp. 15–21, 1979. V. Ionescu, On the stable closed loop solutions to model matching problem. A polynomial approach, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 2, vol. 25, pp. 488–501, 1980. V. Ionescu, Weight solutions of LQP for prescribed pole assignment, Proc of the 4th Int. Symp. on Control Syst. and Computer Science, pp. 11–19, Bucharest, 1980. V. Ionescu, Feedback realization by polynomial matrix computations, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 2, vol. 25, pp. 260–265, 1980. V. Ionescu, Input-output invertibility: Necessary and sufficient conditions (in Romanian), Rep. 9.1.3 CNETAC, vol. 1, pp. 111–120, 1982. V. Ionescu, On the linear quadratic cheap control, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 2, vol. 28, pp. 684–698, 1983. V. Ionescu, Continuous and discrete control systems synthesis. A unified approach, Proc. of Int. Conf. on Control and Computer Sci., pp. 8–14, Bucharest, 1983. V. Ionescu, The output disturbance decoupling and exact model matching problems, Proc. of the 6th Int. Conf. on Control and Syst., pp. 8–14, Bucuresti, 1983. V. Ionescu, Control systems synthesis via computer aided design, Revue Roum. des Sci. Tech., J/M, vol. 30, pp. 83–88, 1985. V. Ionescu, Synthesis of regulation algorithms applied to real time control of D.C. Motors, Proc. of Real Time Control of Electromechanical Syst., pp. 411–426, London, Feb. 1986. V. Ionescu, A unitary method for stabilizing compensator synthesis, Proc. of Symp. on Syst. Theory, IFAC, pp. 386–391, Budapest, 1986. V. Ionescu, Identification and stabilization of electrical drive systems. A unified approach, Proc. of the 2nd Int. Conf. on Electr. Drive., pp. 110–119, Pekin, China 1988. V. Ionescu, Invariant Differential Systems and Local Controllability, Proc. of the 7th Int. Conf. on Control and Comp. Science, pp. 1–20, Bucharest, 1987. V. Ionescu, V. Razvan, The nonlinear regulator problem for constant signals, Kybernetika, no. 1, pp. 12–21, 1990. V. Ionescu, Synthesis of one channel structures with scalar decoupling applied to drive systems control, Advances in Electrical Engineering Software, no. 1, vol. 1, pp. 24–31, March, London, 1990. V. Ionescu, A. Varga, On model reduction of continuous systems via balanced realizations, Syst. and Contr. Lett., no. 4, vol. 10, pp. 1–8, 1990. V. Ionescu, On H and H2 norms evaluation, Revue Roum. des Sci. Tech., Serie Electr. et Energ., no. 3, pp. 223–228, 1990. V. Ionescu, Synthesis of one channel structures with scalar decoupling, Int. J. for Comp. Mech., no. 1, vol. 1, pp. 68–76, 1990. V. Ionescu, M. Weiss, Numerical evaluation of L2 and H2 norms, Revue Roum. des Sci. Tech., vol. 35, no. 4, pp. 528–538, 1990. V. Ionescu, M. Weiss, State-space solution for the discrete-time H control problem, Proc. of EUROCONTROL 1991, pp. 1278–1282, Grenoble 1991.