Assistant professor control and systems engineering Wroclaw University of Technology, 1960-1968, associate professor control and systems engineering, 1968-1973, full professor control and systems engineering, from 1973. Director Institute Information Science and Engineering, Wroclaw, from 1981. President Wroclaw branch Polish Academy of Sciences, since 1991, chairman scientific council of Systems Research Institute, since 1989, president automation committee, since 1988.
Member General Assembly of International Federation for Information Processing, since 1988, governing board European Union Control Association, since 2004. Chairman International Conferences on Systems Science, Wroclaw, since 1973.
- Uncertain Logics, Variables and Systems (Lecture Notes in Control and Information Sciences)
- The ideas of uncertain variables based on uncertain logics have been introduced and developed for a wide class of uncertain systems.
- Author: Convergence of Approximation Processes in Discrete Systems, 1966, Identification of Control Plants, 1980, Introduction to Expert Systems, 1990, Foundations of Management Information Systems, 1993, Uncertain Logics, Variables and Systems, 2002, Control Theory and Algorithms, 2002, Analysis and Decision Making in Uncertain Systems, since 2004, Modern Control Theory, 2005. Editor-in-chief Systems Science international journal, since 1975.
Member of American Association for the Advancement of Science, Institute of Electrical and Electronics Engineers (senior ), Russian Academy Natural Science, International Institute General Systems Studies, International Association Science and Technology for Development, Institute of Electrical and Electronics Engineers Computer Society, World Organization Systems and Cybernetics (honorary).