Dan Sorin NECSULESCU
Professor, Faculty of Engineering, University of Ottawa, Canada
Director of Engineering Management Program, University of Ottawa, Canada
Research interests:
mechatronics, robotics, formations of autonomous vehicles, inverse problems in monitoring and control
Keynote address:
Computer Integration of Spatially Distributed Systems
Abstract:
Two distinct types of spatially distributed systems will be considered in this presentation: integrated systems by physical interaction and integrated systems by sensing-communication-interactive control. Integrated systems by physical interaction are exemplified by flexible-body, fluid, heat and acoustic systems. Such systems are modelled by partial differential equations and their dynamics typically include wave propagation and boundary reflections. The challenge in the integration of such systems is to account for such complex dynamics in both monitoring and control. Monitoring can be done by measurements in a finite number of points and estimation of the unobserved states using solutions to an ill-posed inverse problem. Control in open loop configuration results also in an ill-posed inverse problem of using a finite number of actuators for controlling in under-actuation approach. In the presentation will be reviewed recently developed methods for solving these inverse problems, as described in my recent book "Advanced Mechatronics". Integrated systems by sensing-communication-interactive control are well exemplified by formations of autonomous agents. Such moving agents are required to arrive to a destination while avoiding obstacles. Two major vector field approaches will be analysed: artificial forces and, more recent, artificial liquid flow. Simulation and experimental results will illustrate the efficiency of the artificial liquid flow approach to collision avoidance for geometric and self-organizing formations.
Dan Sorin NECSULESCU born in 1943, received his Dipl.-Ing.-degree in 1967 and his Dr.Eng.-degree in 1973 goth from Politehnica University of Bucharest, and is Licentiate in Philosophy from University of Bucharest (Romania) in 1974. Between 1968 and 1979 he was with the Institute of Development and Design of Power Systems, Bucharest as Design and Research Engineer. 1980 he was with Ontario Hydro as Nuclear Safety Engineer. Since 1980 he is with University of Ottawa, Department of Mechanical Engineering as Professor. Between 1990 and 1993 he was the Chair of the Mechanical Engineering Department and since 1996 he is the Director of the Engineering Management Program. He published three books, D. Necsulescu, Advanced Mechatronics, World Scientific, 2009, D. Necsulescu, Mechatronics, Prentice Hall, 2002 and R. Baican, D. Necsulescu, Applied Virtual Instrumentation, WIT Press, 2000. His current special research fields are: Formations of Autonomous Vehicles, Self-Organizing Engineered Systems and Remote Monitoring using Infrared Imaging.
