Petar V. Kokotovic

Petar V. Kokotovic
Name	Petar V. Kokotovic
Birth date	1943
Birth place	Zagreb, Kingdom of Yugoslavia
Fields	Control theory, Systems engineering, Electrical engineering
Workplaces	University of California, Santa Barbara, University of Belgrade, University of Zagreb
Alma mater	University of Belgrade, University of Illinois Urbana-Champaign
Doctoral advisor	Lotfi A. Zadeh
Notable students	Miroslav Krstic, Franklin F. Lewis
Known for	Adaptive control; singular perturbation; backstepping
Awards	IEEE Field Award (Control Systems Technology Award), Richard E. Bellman Control Heritage Award

Petar V. Kokotovic was a prominent control theorist and engineer noted for foundational work in adaptive control, singular perturbation theory, and the development of the backstepping design methodology. He held long-term appointments at University of California, Santa Barbara and contributed to research communities associated with Institute of Electrical and Electronics Engineers, American Automatic Control Council, and International Federation of Automatic Control. Kokotovic's work influenced a generation of researchers across United States, Serbia, and Croatia and intersected with developments at institutions such as Massachusetts Institute of Technology, Stanford University, and California Institute of Technology.

Early life and education

Born in Zagreb in the former Kingdom of Yugoslavia, Kokotovic completed undergraduate studies at University of Belgrade and pursued graduate work at University of Illinois Urbana-Champaign where he earned a Ph.D. under the supervision of Lotfi A. Zadeh. During his formative years he interacted with scholars from Imperial College London, ETH Zurich, and Princeton University while attending conferences organized by IEEE Control Systems Society and IFAC.

Academic and professional career

Kokotovic joined the faculty of University of California, Santa Barbara after early academic posts at University of Belgrade and visiting positions at University of Zagreb and University of Illinois. At UCSB he worked with colleagues from Donald P. Eckman-era control groups, collaborated with researchers at Honeywell, General Electric, and participated in programs sponsored by National Science Foundation and DARPA. He supervised doctoral students who later held positions at University of California, Berkeley, Ohio State University, University of Michigan, and University of Minnesota and served on editorial boards for journals such as IEEE Transactions on Automatic Control and Automatica.

Contributions to control theory

Kokotovic made seminal contributions to adaptive control through rigorous stability proofs and practical algorithm design, integrating ideas from Lyapunov stability theory, singular perturbation theory, and the Kalman filter. He advanced singular perturbation methods building on work by Tikhonov and Hoppensteadt to analyze multi-time-scale systems encountered in aerospace and chemical engineering applications, collaborating conceptually with researchers from Princeton University and Stanford University. The backstepping design framework he developed linked to nonlinear control approaches pioneered by Isidori, Sontag, and Khalil, and found applications in robotics, power systems, and biomedical engineering where robustness and adaptive performance are critical. Kokotovic's synthesis of theory and implementation bridged communities including IEEE, IFAC, ASME, and ACM technical panels.

Awards and honors

Kokotovic received major recognitions such as the Richard E. Bellman Control Heritage Award from the American Automatic Control Council and awards from the Institute of Electrical and Electronics Engineers including society-level distinctions. He was elected a fellow of organizations like IEEE and honored with invited lectures at venues including International Congress of Mathematicians, SIAM Annual Meeting, and named symposia at IFAC World Congress. National governments and universities including University of Belgrade and University of Zagreb conferred honorary degrees and medals celebrating his contributions.

Selected publications and textbooks

Kokotovic authored and coauthored influential texts and papers, including foundational works on singular perturbation and adaptive control; notable publications appeared in IEEE Transactions on Automatic Control, Automatica, and edited volumes from Springer and Elsevier. His textbooks and monographs were used in courses at Massachusetts Institute of Technology, Stanford University, University of Cambridge, and National University of Singapore and frequently cited in curricula for electrical engineering and mechanical engineering programs worldwide.

Legacy and influence on engineering education

Kokotovic's pedagogical impact is evident in graduate programs at University of California, Santa Barbara, University of Belgrade, University of Zagreb, and international curricula that adopted his treatment of multiscale analysis, adaptive algorithms, and recursive controller design. His students and collaborators populate faculties at University of California, Berkeley, University of Illinois Urbana-Champaign, University of Texas at Austin, and research laboratories at NASA and Bell Labs, propagating techniques into industry projects at Siemens, ABB, and Nokia. Symposia, best-paper awards, and summer schools hosted by IEEE Control Systems Society and IFAC continue to commemorate his methodological contributions.

Category:Control theorists Category:University of California, Santa Barbara faculty Category:1943 births Category:Living people