Publications for the Ptolemy Project are organized by year in reverse chronological order. Use the links at the left to access them.


Claudius Ptolemaeus, editor, System Design, Modeling, and Simulation using Ptolemy II, Published by, 2014, available as a free PDF download and low-cost paperback.

Featured Publications

  1. David Broman, Lev Greenberg, Edward A. Lee, Michael Masin, Stavros Tripakis, Michael Wetter, Requirements for Hybrid Cosimulation Standards, in Proceedings of Hybrid Systems Computation and Control (HSCC), AC M, Seattle, WA, April 14-16, 2015.
  2. Edward A. Lee. Constructive Models of Discrete and Continuous Physical Phenomena IEEE Access, Vol.2, pp. 797-821, August 7, 2014. Technical Report, February 8, 2014.
  3. Amit Fisher, Clas Jacobson, Edward A. Lee, Richard Murray, Alberto Sangiovanni-Vincentelli, Eelco Scholte. Industrial Cyber-Physical Systems-iCyPhy, in Proc. Complex Systems Design & Management (CSD&M), Springer, pp. 21-37, December 4, 2013; Paris, France.
  4. David Broman, Christopher Brooks, Lev Greenberg, Edward A. Lee, Michael Masin, Stavros Tripakis, Michael Wetter. Determinate Composition of FMUs for Co-Simulation, 13th International Conference on Embedded Software (EMSOFT), Montreal, Canada, September 29 - October 4, 2013.
  5. David Broman, Michael Zimmer, Yooseong Kim, Hokeun Kim, Jian Cai, Aviral Shrivastava, Stephen A. Edwards, Edward A. Lee. Precision Timed Infrastructure: Design Challenges. In Proceedings of the Electronic System Level Synthesis Conference (ESLsyn), Austin, Texas, USA, May 31-June 1, 2013.
  6. Patricia Derler, Edward A Lee, Martin Torngren, Stavros Tripakis. Cyber-Physical System Design Contracts, ACM/IEEE 4th International Conference on Cyber-Physical Systems (ICCPS), Philadelphia, USA, April 8 - 11, 2013.
  7. John Eidson, Edward A. Lee, Slobodan Matic, Sanjit A. Seshia, Jia Zou. Distributed Real-Time Software for Cyber-Physical Systems, Proceedings of the IEEE (special issue on CPS), 100(1):45-59, January 2012.
  8. Patricia Derler, Edward A. Lee, Alberto Sangiovanni-Vincentelli. Modeling Cyber-Physical Systems, Proceedings of the IEEE (special issue on CPS), 100(1):13-28, January 2012.
  9. Edward A. Lee and Sanjit A. Seshia, Introduction to Embedded Systems, A Cyber-Physical Systems Approach,, ISBN 978-0-557-70857-4, 2011.
  10. E. A. Lee, Disciplined Heterogeneous Modeling, in D.C. Petriu, N. Rouquette, O. Haugen (Eds.): MODELS 2010, PRT II, LNCS 6395, Springer-Verlag, pp. 273-287, 2010. (Proceedings of the ACM/IEEE 13th International Conference on Model Driven Engineering, Languages, and Systems (MODELS), Oct. 3-8 , 2010.)
  11. E. A. Lee, Computing Needs Time, Communications of the ACM, Vol. 52, Issue 5, May 2009. Earlier version , EECS Department, University of California, Berkeley, Technical Report No. UCB/EECS-2009-30, February 18, 2009.
  12. E. A. Lee. "Cyber Physical Systems: Design Challenges," International Symposium on Object/Component/Service-Oriented Real-Time Distributed Computing (ISORC), May, 2008; Invited Paper.
  13. Published in Object Oriented Real-Time Distributed Computing (ISORC), 2008 11th IEEE International Symposium on 5-7 May, 2008, pp. 363-369, DOI 10.1109/ISORC.2008.1, Orlando, FL.
  14. E. A. Lee, H. Zheng, "Leveraging Synchronous Language Principles for Heterogeneous Modeling and Design of Embedded Systems," EMSOFT 2007, September 30-October 3, 2007, Salzburg, Austria.
  15. E. A. Lee, "The Problem with Threads," in IEEE Computer, 39(5):33-42, May 2006 as well as an EECS Technical Report, UCB/EECS-2006-1, January 2006.
  16. J. Eker, J. W. Janneck, E. A. Lee, J. Liu, X. Liu, J. Ludvig, S. Neuendorffer, S. Sachs, Y. Xiong, "Taming Heterogeneity---the Ptolemy Approach," Proceedings of the IEEE, v.91, No. 2, January 2003.