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An overview of the collected works of Professor Dragoslav Šiljak. (English) Zbl 1061.93006

Dragoslav D. Šiljak was born in 1933 in Belgrade (Serbia); in 1952 he entered the University of Belgrade to study electrical engineering. The topic of his BS-thesis was a controller design in the parameter space for sampled data systems. In 1963 he was promoted to the rank of Docent and in 1964 he left Serbia for the USA. By the way, Šiljak was an active sportsman, he took part in the Olympic games 1952 (silver medal for water polo) and 1960. In Santa Clara, Šiljak built a research base centered around parameter space methods for the design of control systems. The developed methods were used by NASA Marshal Space Center in the control design of spacecraft (SATURN V). Important problems that were formulated and solved by D. D. Šiljak are presented in this survey paper:
1. Parameter space design of control systems.
2. Positivity of uncertain polynomials.
3. Large-scale systems – connective stability.
4. Competitive-cooperative systems.
5. Parameter stability.
6. Decentralized control of complex systems.
7. Graph-theoretic algorithms.
8. Decentralized control via convex optimization.
9. The inclusion principle. (This principle has been used in a wide variety of applications as in electric multi-machine power systems, expert systems and the flight of aerial vehicles.)
10. Reliable control (multi-controller structure).
D. D. Šiljak wrote 4 books and 172 journals papers which are listed in the reviewed article. There one can find papers concerning social systems and ecosystems, too.

MSC:

93-03 History of systems and control theory
01A70 Biographies, obituaries, personalia, bibliographies

Biographic References:

Šiljak, Dragoslav D.
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