Karl Johan Åström

Karl Johan Åström (born August 5, 1934) is a Swedish control theorist, who has made contributions to the fields of control theory and control engineering, computer control and adaptive control. In 1965, he described a general framework of Markov decision processes with incomplete information, what ultimately led to the notion of a Partially observable Markov decision process.

Karl Johan Åström
Born (1934-08-05) August 5, 1934
NationalitySwedish
Alma materRoyal Institute of Technology
AwardsRufus Oldenburger Medal (1985)
IEEE Medal of Honor (1993)
Scientific career
FieldsElectrical engineering

Biography

Åström was born in Östersund, Sweden, and received his M.Sc. in Engineering Physics (1957) and PhD in Automatic Control and Mathematics (1960) from the Royal Institute of Technology (KTH) in Stockholm, where he also taught from 1955 to 1960 while working on inertial guidance for the Swedish National Defence Research Institute.

In 1961 Åström joined the IBM Nordic Laboratory to work on computerized process control, with tours at IBM Research in Yorktown Heights, New York (1962) and San Jose, California (1963). After his return he led efforts in the computer control of paper manufacturing machinery. In 1965, Åström was named Chair of the newly founded Department of Automatic Control at Lund University, Sweden.

From 1965 to 2002 he was chair of the Department of Automatic Control at Lund University, where he is now Professor Emeritus. Since 2002 he has been Distinguished Visiting Professor at the University of California, Santa Barbara.

Åström is a Fellow of the IEEE, member of the Royal Swedish Academy of Sciences, Vice President of the Royal Swedish Academy of Engineering Sciences (IVA), and a foreign associate of the US National Academy of Engineering. He was awarded the ASME Rufus Oldenburger medal (1985) and the International Federation of Automatic Control Quazza Medal (1987). In 1987 he was also awarded the degree Docteur Honoris Causa from l'Institut National Polytechnique de Grenoble. He received in 1989 the IEEE Donald G. Fink Prize Paper Award,[1] in 1990 the IEEE Control Systems Science and Engineering Award,[2][3] and in 1993 the IEEE Medal of Honor for his "fundamental contributions to theory and applications of adaptive control technology".[4]

Publications
Books
  • 1970. Introduction to Stochastic Control. Academic Press, 1970; Dover, 2006.
  • 1989. Adaptive Control. With B Wittenmark. Addison-Wesley, 1989.
  • 1996. Computer-controlled Systems, Theory and Design. With B Wittenmark. Prentice Hall, 1996.
  • 2005. Advanced PID Control. With T Hägglund. ISA, 2005.
  • 2008. Feedback Systems: An Introduction for Scientists and Engineers. With R. Murray. Princeton University Press, 2008.
Papers
  • KJ Åström, B Wittenmark. "On self-tuning regulators," Automatica, vol. 9, pp. 185–199, 1973.

See also

References
  1. "IEEE Donald G. Fink Prize Paper Award Recipients" (PDF). IEEE. Retrieved January 2, 2011.
  2. "IEEE Control Systems Award Recipients" (PDF). IEEE. Retrieved January 15, 2011.
  3. "IEEE Control Systems Award". IEEE Control Systems Society. Archived from the original on December 29, 2010. Retrieved January 15, 2011.
  4. "IEEE Medal of Honor Recipients" (PDF). IEEE. Archived from the original (PDF) on April 22, 2015. Retrieved January 2, 2011.
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