RESEARCH INTERESTS

• Real-time Systems
• Power-aware Computing
• Fault Tolerance
• Ad-Hoc and Sensor Networks

• Associate Professor (2007 - ), George Mason University.
• Assistant Professor (2001-2007), George Mason University.
• Mellon Fellow (2000 - 2001), University of Pittsburgh.
• Research Assistant (1997-2000), University of Pittsburgh.
• Teaching Assistant (1996-1997), University of Pittsburgh.
• Chief System and Network Administrator (1994-1996), Istanbul Technical University.
• System and Network Administrator (1991-1994), Istanbul Technical University.

EDUCATION

• Ph. D. in Computer Science, 1996 - 2001
  University of Pittsburgh, Pittsburgh, PA.
  Dissertation: Enhancing Performance and Fault Tolerance in Reward-Based Scheduling
  Advisors: Prof. Daniel Mosse and Prof. Rami Melhem
  GPA : 3.88 / 4.00
• M. Sc. in Control and Computer Engineering, 1991 - 1994
  Istanbul Technical University, Istanbul, Turkey.
  GPA : 95 / 100
• B. Sc. in Control and Computer Engineering, 1987 - 1991
  Istanbul Technical University, Istanbul, Turkey.
  

• 2006 NSF CAREER Award, for the project titled "A Holistic Energy Management Framework for Real-Time Embedded Systems", in the amount of $400,000 for the period 2006-2011.
• 2008-2009 Teaching Award, George Mason University, Computer Science Department.
• 2004-2005 Teaching Award, George Mason University, Computer Science Department.
• 2000-2001 Mellon Fellowship, University of Pittsburgh.
• 2000-2001 Graduate Student Research Award, University of Pittsburgh, Computer Science Department.

• NSF, CNS Division CSR: Energy Harvesting for Performance Sensitive Wireless Sensor Networks (Robert Simon, PI), 2011 - 2014, $430,000.
• NSF, CNS Division CNS: Generalized Reliability-Aware Power Management for Real-Time Embedded Systems (Dakai Zhu, co-PI), 2010 - 2013, $453,708.
• NSF, CNS Division CSR-EHS: Towards an Integrated Framework for Low-Power Reliable Real-Time Embedded Systems (Dakai Zhu, PI), 2007 - 2010, $285,000.
• NSF, CNS Division CAREER: A Holistic Energy Management Framework for Real-Time Embedded Systems, 2006 - 2011, $400,000.

• Technical Program Committee Chair
  • IEEE Real-Time/Embedded Technology and Applications Symposium (RTAS) 2011
  • International Workshop on Power-Aware Real-Time Computing (PARC) 2005
• Guest Co-Editor
  • International Journal of Embedded Systems (IJES), Special Issue on Low-Power Real-Time Embedded Computing (September 2009)
• Program Committee Positions
  • IEEE Real-Time Systems Symposium (RTSS) 2003, 2005, 2007, 2008, 2009, 2010, 2011
  • IEEE Real-Time/Embedded Technology and Applications Symposium (RTAS) 2001, 2003, 2006, 2007, 2008, 2009, 2010
  • International Conference on Real-Time and Network Systems (RTNS'10)
  • International Workshop on Energy Aware Design and Analysis of Cyber-Physical Systems (WEA-CPS), 2010
  • ACM/IEEE Conference on Design, Automation and Test in Europe (DATE), Real-Time and Dependable Systems Track, 2009
  • International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), Embedded Systems Track, 2009
  • IEEE International Conference on Distributed Computing Systems (ICDCS), Distributed Cyber-Physical Systems Track, 2008
  • IEEE/IFIP International Conference On Embedded and Ubiquitous Computing (EUC), 2008
  • IEEE International Conference on Emerging Technologies and Factory Automation (ETFA), Real-Time and Networked Embedded Systems Track, 2006
  • International Workshop on Parallel and Distributed Real-Time Systems (WPDRTS), 2004, 2005
  • Workshop on High Performance, Fault Adaptive, Large Scale Embedded Real-Time Systems (FALSE-II), 2005
  • International Workshop on Power-Aware Real-Time Computing (PARC) 2004
  • Workshop on Constraint-Aware Embedded Systems (CAES), 2003
• Manuscript Reviewing for Scholarly Journals
  • IEEE Transactions on Computers
  • IEEE Transactions on Parallel and Distributed Systems
  • ACM Transactions on Embedded Computing Systems
  • ACM Transactions on Design Automation of Electronic Systems
  • Journal of Real-Time Systems (Springer)
  • Journal of System Architecture (Springer)
  • IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
  • IEEE Internet Computing
  • IEE Proceedings - Computers and Digital Techniques

• CS 773: Real-Time Systems Design and Development (GMU, Graduate-level)
• CS 795/803: Low-Power Computing (GMU, Graduate-Level)
• CS 571: Operating Systems (GMU, Graduate-level)
• INFS 515: Computer Organization (GMU, Graduate-level)
• CS 471: Operating Systems (GMU, Undergraduate-level)

• V. Devadas and H. Aydin. On the Interplay of Voltage/Frequency Scaling and Device Power Management for Frame-based Real-Time Embedded Applications. To appear in IEEE Transactions on Computers (Accepted for publication).
• B. Zhang, R. Simon, and H. Aydin. Harvesting Aware Energy Management for Time Critical Wireless Sensor Networks with Joint Voltage and Modulation Scaling. To appear in IEEE Transactions on Industrial Informatics (Accepted for publication).
• D. Zhu and H. Aydin. Reliability-Aware Power Management for Real-Time Embedded Systems. To appear in The Handbook of Energy-Aware and Green Computing, CRC Press (Accepted for publication).
• O. R. Kelly, H. Aydin, and B. Zhao. On Partitioned Scheduling of Fixed-Priority Mixed-Criticality Task Sets. To appear in Proceedings of the 8th IEEE International Conference on Embedded Software and Systems (ICESS'11), Changsha, China, November 2011.
• B. Zhang, R. Simon, and H. Aydin. Maximal Utility Rate Allocation for Energy Harvesting Wireless Sensor Networks. To appear in Proceedings of the 14th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWIM'11), Miami Beach, FL, October 2011.
• M. A Haque, H. Aydin, and D. Zhu. Energy-Aware Standby-Sparing Technique for Periodic Real-Time Applications. To appear in Proceedings of the 29th IEEE International Conference on Computer Design (ICCD'11), Amherst, MA, October 2011.
• Z. Zhang, F. Li, and H. Aydin. Optimal Speed Scaling Algorithms under Speed Change Constraints. Proceedings of the 13th IEEE International Conference on High Performance Computing and Communications (HPCC'11), Banff, Canada, September 2011.
• Y. Guo, D. Zhu, and H. Aydin. Reliability-Aware Power Management for Parallel Real-Time Applications with Precedence Constraints. Proceedings of the Second IEEE International Green Computing Conference (IGCC'11), Orlando, FL, July 2011.
• B. Zhao, H. Aydin, and D. Zhu. Generalized Reliability-Oriented Energy Management for Real-Time Embedded Applications. Proceedings of the 48th ACM Design Automation Conference (DAC'11), San Diego, CA, June 2011.
• X. Qi, D. Zhu, and H. Aydin. Cluster Scheduling for Real-Time Systems: Utilization Bounds and Run-Time Overhead. Journal of Real-Time Systems, vol. 47, no. 3, pp. 253 - 284, April 2011.
• X. Qi, D. Zhu, and H. Aydin. Global Scheduling Based Reliability-Aware Power Management for Multiprocessor Real-Time Systems. Journal of Real-Time Systems, vol. 47, no. 2, pp. 109 - 142, March 2011.
• V. Devadas, F. Li, and H. Aydin. Competitive Analysis of Online Real-Time Scheduling Algorithms under Hard Energy Constraint. Journal of Real-Time Systems, vol. 46, no. 1, pp. 88 - 120, September 2010.
• B. Zhang, R. Simon, and H. Aydin. Energy Management for Time-Critical Energy Harvesting Wireless Sensor Networks. Proceedings of the 12th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS'10), New York City, NY, September 2010.
• V. Devadas and H. Aydin. Coordinated Power Management of Periodic Real-Time Tasks on Chip Multiprocessors. Proceedings of the First IEEE International Green Computing Conference (IGCC'10), Chicago, IL, August 2010.
• X. Qi, D. Zhu, and H. Aydin. Global Reliability-Aware Power Management for Multiprocessor Real-Time Systems. Proceedings of the 16th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA'10), Macau SAR, China, August 2010.
• X. Qi, D. Zhu, and H. Aydin. A Study of Utilization Bound and Run-Time Overhead for Cluster Scheduling in Multiprocessor Real-Time Systems. Proceedings of the 16th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA'10), Macau SAR, China, August 2010.
• B. Zhao, H. Aydin, and D. Zhu. On Maximizing Reliability of Real-Time Embedded Applications under Hard Energy Constraint. IEEE Transactions on Industrial Informatics, vol. 6, no. 3., pp. 316 - 328, August 2010.
• B. Zhang, R. Simon and H. Aydin. Joint Voltage and Modulation Scaling for Energy Harvesting Sensor Networks. Proceedings of the First International Workshop on Energy Aware Design and Analysis of Cyber Physical Systems (WEA-CPS'10), Stockholm, Sweden, April 2010.
• V. Devadas and H. Aydin. DFR-EDF: A Unified Energy Management Framework for Real-Time Systems. Proceedings of the 16th IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS'10), Stockholm, Sweden, April 2010.
• B. Zhao, H. Aydin and D. Zhu. Enhanced Reliability-Aware Power Management through Shared Recovery Technique. Proceedings of the 27th IEEE/ACM International Conference on Computer-Aided Design (ICCAD'09), San Jose, CA, November 2009.
• B. Zhao and H. Aydin. Minimizing Expected Energy Consumption through Optimal Integration of DVS and DPM. Proceedings of the 27th IEEE/ACM International Conference on Computer-Aided Design (ICCAD'09), San Jose, CA, November 2009.
• D. Zhu and H. Aydin. Reliability-Aware Energy Management for Periodic Real-Time Tasks. IEEE Transactions on Computers. vol. 58, no. 10, pp. 1382 - 1397, October 2009.
• V. Devadas, F. Li and H. Aydin. Competitive Analysis of Energy-Constrained Real-Time Scheduling. Proceedings of the 21st IEEE EuroMicro Conference on Real-Time Systems (ECRTS'09), Dublin, Ireland, July 2009.
• D. Zhu, H. Aydin and J. J. Chen. Optimistic Reliability-Aware Energy Management for Real-Time Tasks with Probabilistic Execution Times. Proceedings of the 29th IEEE Real-Time Systems Symposium (RTSS'08), Barcelona, Spain, December 2008.
• V. Devadas and H. Aydin. On the Interplay of Dynamic Voltage Scaling and Dynamic Power Management in Real-Time Embedded Applications. Proceedings of the 8th ACM Conference on Embedded Systems Software (EMSOFT'08), Atlanta, GA, October 2008.
• B. Zhao, H. Aydin and D. Zhu. Reliability-Aware Dynamic Voltage Scaling for Energy-Constrained Real-Time Embedded Systems. Proceedings of the 26th IEEE International Conference on Computer Design (ICCD'08), Lake Tahoe, CA, October 2008.
• D. Zhu, X. Qi and H. Aydin. Energy Management for Periodic Real-Time Tasks with Variable Assurance Requirements. Proceedings of the 14th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA'08) , Kaohsiung, Taiwan, August 2008.
• V. Devadas and H. Aydin. Real-Time Dynamic Power Management through Device Forbidden Regions. Proceedings of the 14th IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS'08), Saint Louis, MO, April 2008.
• D. Zhu and H. Aydin. Priority-Monotonic Energy Management for Real-Time Systems with Reliability Requirements. Proceedings of the 25th IEEE International Conference on Computer Design (ICCD'07), Lake Tahoe, CA, October 2007.
• H. Aydin. Exact Fault-Sensitive Feasibility Analysis of Real-Time Tasks. IEEE Transactions on Computers, vol. 56, no. 10, pp. 1372 - 1386, October 2007.
• D. Zhu and H. Aydin. Reliability-Aware Energy Management for Periodic Real-Time Tasks. Proceedings of the 13th IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS'07), Bellevue, WA, April 2007.
• H. Aydin, V. Devadas and D. Zhu. System-level Energy Management for Periodic Real-Time Tasks. Proceedings of the 27th IEEE Real-Time Systems Symposium (RTSS'06), Rio de Janeiro, Brazil, December 2006.
• D. Zhu and H. Aydin. Energy Management for Real-Time Embedded Systems with Reliability Requirements. Proceedings of the 24th IEEE/ACM International Conference on Computer-Aided Design (ICCAD'06), San Jose, CA, November 2006.
• D. Zhu and H. Aydin. Reliability Effects of Process and Thread Redundancy on Chip Multiprocessors (Extended Abstract). In Supplement Proceedings of the IEEE International Conference on Dependable Systems and Networks (DSN'06), Philadelphia, PA, June 2006.
• T. A. AlEnawy and H. Aydin. Energy-Constrained Scheduling for Weakly-Hard Real-Time Systems. Proceedings of the 26th IEEE Real-time Systems Symposium (RTSS'05), Miami, FL, December 2005.
• T. A. AlEnawy and H. Aydin. Energy-Aware Task Allocation for Rate Monotonic Scheduling. Proceedings of the 11th IEEE Real-time and Embedded Technology and Applications Symposium (RTAS'05), San Francisco, CA, March 2005.
• H. Aydin. On Fault-Sensitive Feasibility Analysis of Real-Time Task Sets. Proceedings of the 25th IEEE Real-time Systems Symposium (RTSS'04), Lisbon, Portugal, December 2004.
• T. A. AlEnawy and H. Aydin. On Energy-Constrained Real-Time Scheduling. Proceedings of the 16th EuroMicro Conference on Real-Time Systems (ECRTS'04), Catania, Italy, June 2004.
• H. Aydin and Q. Yang. Energy-Responsiveness Tradeoffs for Real-Time Systems with Mixed Workload. Proceedings of the 10th IEEE Real-time and Embedded Technology and Applications Symposium (RTAS'04), Toronto, Canada, May 2004.
• T. A. AlEnawy and H. Aydin. Energy-Constrained Performance Optimizations For Real-Time Operating Systems. Workshop on Compilers and Operating Systems for Low-Power (COLP'03), New Orleans, LA, September 2003.
• H. Aydin, R. Melhem, D. Mosse and P.M. Alvarez. Power-aware Scheduling for Periodic Real-time Tasks. IEEE Transactions on Computers, vol. 53, no. 5, pp. 584 - 600, May 2004.
• H. Aydin, R. Melhem and D. Mosse. Periodic Reward-Based Scheduling and Its Application to Power-Aware Real-Time Systems. In Handbook of Scheduling: Algorithms, Models and Performance Analysis, ed. by J. Leung, CRC Press, 2004.
• P.M. Alvarez, R. Melhem, D. Mosse and H. Aydin. An Incremental Server for Scheduling Overloaded Real-Time Systems. IEEE Transactions on Computers , vol. 52, no. 10, pp. 1347-1361, October 2003.
• H. Aydin and Q. Yang. Energy-Aware Partitioning for Multiprocessor Real-time Systems. Proceedings of 17th International Parallel and Distributed Processing Symposium (IPDPS'03), Workshop on Parallel and Distributed Real-Time Systems (WPDRTS'03) , pp. 113 - 121, April 2003.
• R. Melhem, N. AbouGhazaleh, H. Aydin and D. Mosse. Power Management Points in Power-Aware Real-Time Systems. In Power Aware Computing, edited by R. Graybill and R. Melhem, Plenum/Kluwer Publishers, 2002.
• H. Aydin, R. Melhem, D. Mosse and P.M. Alvarez. Dynamic and Aggressive Power-Aware Scheduling Techniques for Real-Time Systems. Proceedings of the 22nd IEEE Real-time Systems Symposium. London, England, December 2001.
• H. Aydin. Enhancing Performance and Fault Tolerance in Reward-Based Scheduling. Ph.D. Dissertation . University of Pittsburgh, August 2001.
• H. Aydin, R. Melhem, D. Mosse and P.M. Alvarez. Determining Optimal Processor Speeds for Periodic Real-Time Tasks with Different Power Characteristics. Proceedings of the 13th EuroMicro Conference on Real-Time Systems (ECRTS'01) , Delft, Netherlands, June 2001.
• H. Aydin, R. Melhem, D. Mosse and P. M. Alvarez. Optimal Reward-Based Scheduling for Periodic Real-Time Tasks. IEEE Transactions on Computers vol. 50, no. 2, pp. 111 - 130, February 2001.
• H. Aydin, R. Melhem and D. Mosse. Optimal Scheduling of Imprecise Computation Tasks in the Presence of Multiple Faults. Proceedings of the 8th International Conference on Real-Time Computing Systems and Applications (RTCSA'00), S. Korea, December 2000.
• P. M. Alvarez, H. Aydin, R. Melhem and D. Mosse. Scheduling Optional Computations in Fault-Tolerant Real-Time Systems. Proceedings of the 8th International Conference on Real-Time Computing Systems and Applications (RTCSA'00), S. Korea, December 2000.
• D. Mosse, H. Aydin, B. Childers and R. Melhem. Compiler-Assisted Dynamic Power-Aware Scheduling for Real-Time Applications. Workshop on Compilers and Operating Systems for Low-Power (COLP'00), Philadelphia, PA, October 2000.
• H. Aydin, R. Melhem and D. Mosse. Task-level Energy Minimization for Reconfigurable Embedded Systems. Proceedings of the 4th Annual Workshop on High Performance Embedded Computing (HPEC'00), Lexington, MA, September 2000.
• H. Aydin, R. Melhem and D. Mosse. Tolerating Faults while Maximizing Reward. Proceedings of the 12th Euromicro Conference on Real-Time Systems (ECRTS'00), Stockholm, June 2000.
• H. Aydin, R. Melhem, D. Mosse and P.M. Alvarez. Optimal Reward-Based Scheduling for Periodic Real-Time Tasks. Proceedings of the 20th IEEE Real-Time Systems Symposium (RTSS'99), Arizona, December 1999.
• H. Aydin, R. Melhem and D. Mosse. Incorporating Error Recovery into the Imprecise Computation Model. Proceedings of the 7th International Conference on Real-Time Computing Systems and Applications (RTCSA'99), Hong Kong, December 1999.
  
  
  
• H. Aydin, R. Melhem and D. Mosse. A Polynomial-Time Algorithm to Solve Reward-Based Scheduling Problem, Technical Report 99-10. Department of Computer Science, University of Pittsburgh, April 1999.
• H. Aydin, R. Melhem and D. Mosse. Incorporating Error Recovery into the Imprecise Computation Model. Technical Report 98-09. Department of Computer Science, University of Pittsburgh, May 1998.
• H. Aydin. A hierarchical non-linear planner for simple domains. M.Sc. thesis. Control and Computer Engineering Department, Istanbul Technical University, February 1994.

English (fluent), French (fluent), Turkish (native).

• Member of IEEE and ACM.
• History and Philosophy of Science/Mathematics. Founded and managed the first electronic discussion forum (BILFEL) in Turkey, on the history and philosophy of science (1992-1995).
• History of Philosophy. Published several articles on Ancient Greek Philosophy in e-journal of Istanbul Technical University Alumni (PETEK), (1995-1997).
• Literature and Poetry.
• Chess.