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[2016-7-8]Discrete Event Optimization: Theory, Applications and Future Challenges

主   办:工业工程与管理系
报告人:Professor Andrea Matta
时   间:2016年7月8日下午4:00
地   点:方正大厦512会议室
主持人:侍乐媛 教授


Optimization of discrete event systems is often time consuming and also requires specific approaches due to the fact that general methodologies cannot be successfully applied to any kind of system. Conventional approaches use simulation as a black-box oracle to estimate performance at design points generated by a separate optimization algorithm. This decoupled approach fails to exploit an important advantage: simulation codes are white-boxes, at least to their creators. In fact, the full integration of the simulation model and the optimization algorithm is possible in many situations.

The methodology Discrete Event Optimization (DEO) is presented. DEO allows the development of integrated simulation-optimization models for queueing systems by means of the ERGLite formalism, a subclass of ERGs (Entity Relationships Graphs). Furthermore, DEO provides a formal way to map ERGLs into mathematical formulations for optimization of queueing systems. In case the obtained model is a MILP (Mixed Integer Linear programming), DEO also provides a formal way to approximate the obtained models based. The analytical properties of the obtained models are analyzed in the frameworks of Sample Path Optimization and Mathematical Programming. Several examples will be presented to show the applicability of DEO and to point out its strengths and drawbacks. Research challenges will also be identified


Andrea Matta is Distinguished Professor at the Department of Industrial Engineering and Management, School of Mechanical Engineering, Shanghai Jiao Tong University (SJTU) and associate professor at the Department of Mechanical Engineering of Politecnico di Milano. He graduated in Industrial Engineering at Politecnico di Milano where he developed his teaching and research activities as temporary Researcher from 1997 to 2001, Assistant Professor from 2001 to 2010 and Associate Professor from 2010 to current date. He has been visiting professor at the Laboratory of Industrial Engineering at Ecole Centrale Paris (France) between 1999 and 2000, and at the Department of Industrial Engineering and Operations Research of University of California at Berkeley (USA) in 2007. He has been professor of manufacturing and computer aided manufacturing at Tongji University in Shanghai (China) in 2009 and 2013.

From 2010 to 2014 we was scientific responsible of the Research Area Design and Management of Manufacturing at MUSP (Macchine Utensili e Sistemi di Produzione – Laboratory for Machine Tools and Production Systems) and member of the MUSP Scientific-Technical Committee.

He is member of IEEE Robotics and Automation Society (RAS), INFORMS Institute for Operations Research and the Management Sciences, of INFORMS Simulation (I-Sim) and of AITEM (Italian Association for Manufacturing – associated with ASME).
Research & teaching activities
His research area includes analysis, design and management of production and health care systems. He currently teaches Stochastic Models and System Modeling & Simulation at SJTU. He has been teaching several courses: Manufacturing, Computer Aided Manufacturing, Manufacturing Systems and Reconfigurable Manufacturing Systems. He has published more than 100 hundred papers appeared on international journals and conference proceedings. He co-edited the book Design of Advanced Manufacturing Systems  published by Springer. He has been the advisor of 6 PhD students and more than 50 master students.
He is associate editor of Flexible Services and Manufacturing Journal (ex International Journal of Flexible Manufacturing systems), OR Spectrum and IEEE Robotics and Automation Letters. He was the Chair of the International Conference on Health Care Systems Engineering held in Milan, May 2013. He is member of program committee and organizing committee of several international conferences.

He was involved in 6 European Union funded research projects and 9 national funded research projects; in 4 projects he was Principal Investigator of the research.
Shanghai One Thousand Talent (2013), Eastern Scholar (2013), Best Student Paper Award of the IEEE Conf. Automation Science & Engineering (CASE2014) in Taipei, Finalist of WSC11 Best Theoretical Paper Award at the 2011 Winter Simulation Conference at Phoenix (Arizona, USA), Young Researcher Award from Department of Mechanical Engineering of Politecnico di Milano for his scientific publications in the years 2005 and 2008.