Publications

 

Book Chapter

 

       Probabilistic control of nonlinear uncertain systems

        Q. Wang and R. F. Stengel

        Probabilistic and Randomized Methods for Design under Uncertainty, Springer-Verlag, London, 2006.

Patents

 

Global data placement

Q. Wang, A. Merchant, N. Mishra, M. Kallahalla, and R. Swaminathan,

Granted US Patent 7225118, May 29, 2007. 

 

Data placement for fault tolerance

M. Karlsson, Q. Wang, and J. Wilkes.

Granted US Patent 7000141, Feb. 14, 2006. 

 

Journal Papers

 

An Extended Lumped-Parameter Model of Melt-Pool Geometry to Predict Part Height for Directed Energy Deposition

J. Li, Q. Wang, P. Michaleris, E. W. Reutzel, and A. R. Nassar

ASME Journal of Manufacturing Science and Engineering, 139(9), 2017, 091016.

 

Physics-Based Multivariable Modeling and Feedback Linearization Control of Melt-Pool Geometry and Temperature in Directed Energy Deposition

Q. Wang, J. Li, M. Gouge, A. R. Nassar, P. Michaleris, and E. W. Reutzel

ASME Journal of Manufacturing Science and Engineering, 139(2), 2016, 021013.

 

A Variable State Dimension Approach to Meal Detection and Meal Size Estimation: in Silico Evaluation through Basal-Bolus Insulin Therapy for Type 1 Diabetes

J. Xie and Q. Wang

IEEE Transactions on Biomedical Engineering, 64(6), 2017, pp. 1249-1260.

 

Occupant feedback based model predictive control for thermal comfort and energy optimization: A chamber experimental evaluation

X. Chen, Q. Wang, and J. Srebric

Applied Energy, Vol. 164, 2016, pp. 341-351.

 

Model predictive control for indoor thermal comfort and energy optimization using occupant feedback

X. Chen, Q. Wang, and J. Srebric

Energy and Buildings, 2015, pp. 357-369. DOI information: 10.1016/j.enbuild.2015.06.002.

 

Model predictive control for type 1 diabetes based on personalized linear time-varying subject model consisting of both insulin and meal inputs: an in silico evaluation

Q. Wang, J. Xie, P. Molenaar, and J. Ulbrecht

Journal of Diabetes Science and Technology, Vol. 9(4), 2015, 941-942. 

 

A data-driven state-space model of indoor thermal sensation using occupant feedback for low-energy buildings

X. Chen, Q. Wang, and J. Srebric

Energy and Buildings, 2015, pp. 187-198. DOI information: 10.1016/j.enbuild.2015.01.038.

 

A probabilistic ellipsoid algorithm for linear optimization problems with uncertain LMI constraints

A. Ataei and Q. Wang

Automatica, Vol. 52, 2015, pp. 248-254.

 

Adaptive control design for a supercavitating vehicle model based on fin force parameter estimation

X. Mao and Q. Wang

Journal of Vibration and Control, Vol. 21, No. 6, 2015, pp. 1220-1233.2013DOI:10.1177/1077546313496263.

 

Personalized state-space modeling of glucose dynamics for type 1 diabetes using continuously monitored glucose, insulin dose and meal intake: an extended Kalman filter approach

Wang, Q., Molenaar, P., Harsh, S., Freeman, K., Xie, J., Gold, C., Rovine, M., and Ulbrecht, J.

Journal of Diabetes Science and Technology, Vol. 8, No. 2, 2014, pp. 331-345.

 

Nonlinear control of an uncertain hypersonic aircraft model using robust sum-of-squares method

A. Ataei and Q. Wang

IET Control Theory & Applications, Vol. 6, No. 2, 2012, pp. 203-215.

 

Delay-dependent control design for a time-delay supercavitating vehicle model

X. Mao and Q. Wang

Journal of Vibration and Control, Vol.17, No. 3, 2011, pp. 431- 448.

 

Convergence speed in distributed consensus over dynamically switching random networks

J. Zhou and Q. Wang

Automatica, Vol. 45, No. 6, 2009, pp. 1455- 1461.

 

Research Challenges in Control Engineering of Computing Systems

J. L. Hellerstein, S. Singhal, and Q. Wang

IEEE Transactions on Network Service Management, Vol. 6, No. 4, 2009, pp. 1-6.

 

Nonlinear control design for a supercavitating vehicle

X. Mao and Q. Wang

IEEE Transactions on Control Systems Technology, Vol. 17, No. 4, 2009, pp. 816-832. 

 

An \alpha-stable model based linear-parameter-varying control for managing server performance under self-similar workloads

W. Qin, Q., Wang and A. Sivasubramaniam

IEEE Transactions on Control Systems Technology, Vol. 17, No.1, 2009, pp. 123- 134.

 

On convex parameterization of robust control design for minimizing (conditional) performance at risk

Q. Wang

International Journal of Nonlinear and Robust Control, Vol. 18, No. 17, 2008, pp. 1575-1591.

 

A CFD-based tool for studying temperature in rack-mounted servers

J. Choi, Y., Kim, A., Sivasubramaniam, J. Srebric, Q. Wang, and J. Lee

IEEE Transactions on Computers, Vol. 57, No. 8, 2008, pp. 1129-1142.

 

An LPV approximation for admission control of an Internet Web server: Identification and control

W. Qin and Q. Wang

Control Engineering Practice, Vol. 15, No. 12, 2007, pp. 1457-1467.

 

Modeling and control design for performance management of Web servers via an LPV approach

W. Qin and Q. Wang

IEEE Transactions on Control Systems Technology, Vol. 15, No. 2, 2007, pp. 259-275. 

 

Robust failure compensation for a morphing aircraft model using a probabilistic approach

A.     Ataei-Esfanahi and Q. Wang

IEEE Transactions on Control Systems Technology, Vol. 15, No. 2, 2007, pp. 324-331.

 

Storage performance virtualization via throughput and latency control

J. Zhang, A. Sivasubramaniam, Q. Wang, A. Riska and E. Riedel

ACM Transactions on Storage, Vol. 2, No. 3, 2006, pp. 283-308. 

 

                  Consolidating clients on back-end servers with co-location and frequency control

Y. Chen, A. Das, Q. Wang, A. Sivasubramaniam, R. Harper, and M. Bland

ACM SIGMETRICS Performance Evaluation Review, 2006, pp. 383-384. 

 

Quickly finding near-optimal storage designs

E. Anderson, S. Spence, R. Swaminathan, M. Kallahalla, and Q. Wang

ACM Transactions on Computer Systems, Vol. 23, No. 4, 2006, pp. 337-374. 

 

Managing server energy and operational costs in hosting centers

Y. Chen, A. Das, W. Qin, A. Sivasubramaniam, Q. Wang, and N. Gautam

ACM SIGMETRICS Performance Evaluation Review, Vol. 33, No. 1, 2005, pp. 303-314.

 

An interposed two level I/O scheduling framework for performance virtualization

J. Zhang, A. Sivasubramaniam, A. Riska, Q. Wang and E. Riedel

ACM SIGMETRICS Performance Evaluation Review, Vol. 33, No. 1, 2005, pp. 406-407.

 

Probabilistic robust control of rotorcraft

J. Horn, D. Tolani, C. Lagoa, Q. Wang and A. Ray

Control Engineering Practice, Vol. 12, (8), 2005, pp. 1037-1046.

 

Robust nonlinear flight control of a high-performance aircraft

Q. Wang and R. F. Stengel

IEEE Transactions on Control Systems Technology, Vol. 13, No. 1, 2005, pp. 15-26. 

 

Pricing-based strategies for autonomic control of Web servers for time-varying request arrivals

Y. Chen, A. Das, N. Gautam, Q. Wang and A. Sivasubramaniam

Journal of Engineering Application of Artificial Intelligence (special issue on Autonomic Computing), Vol. 17, No. 7, 2004, pp. 841-854. 

 

Robust control of nonlinear systems with parametric uncertainty

Q. Wang and R. F. Stengel

Automatica, Vol. 38, 2002, pp. 1591-1599.

 

Searching for robust minimal-order compensators

Q. Wang and R. F. Stengel

ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 123, No. 2, 2001, pp. 233-236.

 

Robust nonlinear control of a hypersonic aircraft

Q. Wang and R. F. Stengel

Journal of Guidance, Control, and Dynamics, Vol. 23, No. 4, 2000, pp. 577-585. 

 

 

Papers in Conference Proceedings

 

Reduced-order multivariable modeling and nonlinear control of melt-pool geometry and temperature in directed energy deposition

Q. Wang, J. Li, M. Gouge, A. R. Nassar, P. Michaleris, and E. R. Reutzel

Proceedings of American Control Conference, Boston, MA, July 6-8, 2016, pp. 845-851.

 

Experimental analysis of occupant feedback based model predictive control for thermal comfort and energy optimization

X. Chen, Q. Wang, and J. Srebric

Proceedings of American Control Conference, Boston, MA, July 6-8, 2016, pp. 1485-1491.

 

Meal detection and meal size estimation for type 1 diabetes treatment: a variable state dimension approach

J. Xie and Q. Wang

Proceedings of the ASME Dynamic Systems and Control Conference, Columbus, Ohio, October, 2015.

 

Recouping energy costs from cloud tenants: tenant demand response aware pricing design (Best Paper Runner Up)

C.Wang, N. Nasiriani, G. Kesidis, B. Urgaonkar, Q. Wang, L. Y. Chen, A. Gupta, R. Birke

                  Proceedings of the sixth ACM International Conference on Future Energy Systems (ACM e-Energy), Bangalore, India, July 14-17, 2015. 

 

Model predictive control for type 1 diabetes based on personalized linear time-varying subject model consisting of both insulin and meal inputs: an in silico evaluation

Q. Wang, J. Xie, P. Molenaar, and J. Ulbrecht

Proceedings of American Control Conference, Chicago, IL. July, 2015.

 

A hierarchical demand response framework for data center power cost optimization under real-world electricity pricing

C.Wang, B. Urgaonkar, Q. Wang, and G. Kesidis

Proceedings of the 22nd International Symposium on Modeling Analysis and Simulation of Computer and Telecommunication System (Mascots 2014), Paris, France, September 2014.

      

A case for virtualizing the electric utility in cloud data center

C.Wang, B. Urgaonkar, G. Kesidis, U. V. Shanbhag, and Q. Wang

Proceedings of the 6th USENIX Workshop on Hot Topics in Cloud Computing (HotCloud 2014), Philadelphia, PA, June 2014.  

 

A data-driven thermal sensation model based predictive controller for indoor thermal comfort and energy optimization

X. Chen, Q. Wang

Proceedings of the 2014 ASME Dynamic Systems and Control Conference, October 2014, San Antonio, TX.

 

Data-driven state-space modeling of indoor thermal sensation using occupant feedback

X. Chen, Q. Wang, J. Srebric, and M. O. Fadeyi

Proceedings of the 2014 American Control Conference, June 2014, Portland, OR, pp. 1710-1715.  

 

Data center power cost optimization via workload modulation

C.Wang, B. Urgaonkar, Q. Wang, G. Kesidis, and A. Sivasubramaniam

Proceedings of the 6th IEEE/ACM International Conference on Utility and Cloud Computing, December, 2013, Dresden, Germany

 

Developing personalized empirical models for type-I diabetes: An extended Kalman Filter approach

Q. Wang, S. Harsh, P. Molenaar, and K. Freeman

Proceedings of the 2013 American Control Conference, Washington DC, June 2013, pp. 2929-2934.

 

Estimating the region of attraction for uncertain polynomial systems using polynomial chaos functions and sum of squares method

A. Ataei and Q. Wang

                  Proceedings of the 2012 ASME DSCC Dynamic Systems and Control Conference, Ft. Lauderdale, FL, October, 2012

 

Development of an adaptive dual controller for glucose management in patients with insulin-deficient diabetes

K. Freeman, Q. Wang, P. Molenaar, J. Zhou, J. Ulbrecht, C. Gold, and M. Rovine

Proceedings of the 2012 ASME DSCC Dynamic Systems and Control Conference, Ft. Lauderdale, FL, October, 2012

 

An ellipsoid algorithm for linear optimization with uncertain LMI constraints

A. Ataei and Q. Wang

Proceedings of American Control Conference, Montreal, QC, Canada, June, 2012, pp. 857-862.

 

Robust adaptive backstepping control design for a supercavitating vehicle model

X. Mao and Q. Wang

Proceedings of the 2011 ASME DSCC Dynamic Systems and Control Conference, Arlington, VA, October, 2011.

 

Robust nonlinear control design for a hypersonic aircraft using Sum-of-Squares method

A. Ataei-Esfahani and Q. Wang

Proceedings of the 2010 ASME DSCC Dynamic Systems and Control Conference, Cambridge, MA, October, 2010.  

 

Stochastic semistability with application to agreement problems over random networks

J. Zhou and Q. Wang

Proceedings of American Control Conference, Baltimore, MD, June, 2010, pp. 568-573.

 

Receding horizon control of type I diabetes based on a data-driven linear time-varying state-space model

J. Zhou, Q. Wang, P. Molenaar, J. Ulbrecht, C. Gold, and M. Rovine

Proceedings of American Control Conference, Baltimore, MD, June, 2010, pp. 2033-2038.

 

Distributed discrete-time nonlinear consensus protocols

J. Zhou and Q. Wang

Proceedings of IEEE Conference on Decision and Control, Shanghai, China, December, 2009, pp. 4759-4764.

 

Finite horizon linear quadratic regulation for linear discrete time-varying systems with single/multiple input delay(s)

J. Zhou and Q. Wang

Proceedings of IEEE Conference on Decision and Control, Shanghai, China, December, 2009, pp. 4050-4055.

 

Characterizing convergence speed for consensus seeking over dynamically switching directed random networks

                  J. Zhou and Q. Wang

                  Proceedings of American Control Conference, St. Louis, MO, June, 2009, pp. 629-634.

 

                    SHARP Control: Controlled shared cache management in chip multiprocessors

S. Srikantaiah, M. Kandemir, and Q. Wang

Proceedings of 42nd   IEEE/ACM International Symposium on Microarchitecture, New York, NY, December, 2009. (Peer Reviewed).

DOI: http://doi.acm.org/10.1145/1669112.1669177

 

Robust control of time-delay systems with application to a supercavitating vehicle

X. Mao and Q. Wang

Proceedings of 2008 ASME Dynamic Systems and Control Conference, Ann Arbor, MI, October, 2008.

 

Using stochastic linear-parameter-varying control for CPU management of Internet servers

W. Qin and Q. Wang

Proceedings of the 46th IEEE Conference on Decision and Control, New Orleans, LA, December 2007, pp. 3824-3829. (Invited Paper)

 

An LPV approach to performance control of Web servers under self-similar workloads

W. Qin, Q. Wang, and A. Sivasubramaniam

Proceedings of the 2nd IEEE International Workshop on Feedback Control Implementation and Design in Computing Systems and Networks, Munich, Germany, May 2007, pp. 27-32.

 

Nonlinear control design of a hypersonic aircraft using Sum-of-Squares method

A.     Ataei-Esfahani and Q. Wang

Proceedings of the American Control Conference, New York City, July, 2007, pp. 5278-5283.   (American Control Conference Best Presentation in Session Award)

 

Modeling and managing thermal profiles of rack-mounted servers with ThermoStat

J. Choi, Y. Kim, A. Sivasubramaniam, J. Srebric, Q. Wang and J. Lee

Proceedings of the IEEE 13th International Symposium on High Performance Computer Architecture, Scottsdale, AZ, February, 2007, pp. 205-215.

(Acceptance rate: 28 accepted / 174 submissions)

 

Nonlinear robust control design for a supercavitating vehicle

X. Mao and Q. Wang

Proceedings of the ASME International Mechanical Engineering Congress and Exposition, Chicago, IL, November, 2006, IMECE 2006-14519.

 

A first-principles based LPV modeling and design for performance management of Internet Web servers

W. Qin, Q. Wang, Y. Chen, and N. Gautam

Proceedings of the American Control Conference, Minneapolis, MN, June 2006, pp. 2939-2944.  (First author supervised by candidate)

 

Robust failure compensation for a morphing aircraft model using a probabilistic approach

A.     Ataei-Esfahani, and Q. Wang

Proceedings of the American Control Conference, Minneapolis, MN, June 2006, pp. 351-356.

(American Control Conference Best Presentation in Session Award)

 

Storage performance virtualization via throughput and latency control

J. Zhang, A. Riska, A. Sivasubramaniam, Q. Wang and E. Riedel

Proceedings of the IEEE/ACM International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS), Atlanta, GA, September 2005, pp. 135-142. 

 

Feedback performance control for computer systems: An LPV approach

W. Qin and Q. Wang

Proceedings of the American Control Conference, Portland, OR, June 2005, pp. 4760-4765.

 

Pricing and autonomic control of Web servers with time-varying request patterns

Y. Chen, A. Das, N. Gautam, Q. Wang and A. Sivasubramaniam

Proceedings of the International Conference on Autonomic Computing, Seattle, WA, June, 2004, pp. 290-291.

 

Probabilistic robust control design of polynomial vector fields

Q. Wang

Proceedings of IEEE Conference on Decision and Control, Maui, HI, December 2003, pp. 2447 - 2452.

 

Reliable operation of rotorcraft using probabilistic robust control

J. Horn, D. Tolani, C. Lagoa, Q. Wang and A. Ray

Proceedings of IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes, Washington, DC, June 2003, pp. 181-186. 

 

Plutus: Scalable secure sharing on untrusted storage

M. Kallahalla, E. Reidel, R. Swaminathan, Q. Wang, and K. Fu

Proceedings of USENIX Conference on File and Storage Technologies (FAST), San Francisco, CA, January 2003, pp. 29-42.

(Acceptance rate: 18 accepted / 87 submissions)

 

Robust flight control of a high performance aircraft

Q. Wang and R. F. Stengel

AIAA paper 2001-4101, Montreal, Canada, August 2001.

 

Robust nonlinear control of a hypersonic aircraft

Q. Wang and R. F. Stengel

Proceedings of the AIAA Guidance, Navigation, and Control Conference, Portland, OR, August 1999, pp. 413-423.

 

Robust control of nonlinear systems with parametric uncertainty

Q. Wang and R. F. Stengel

Proceedings of the 37th IEEE Conference on Decision and Control, Tampa, FL, December 1998, pp. 3341-3346. 

 

                  Searching for robust minimal-order compensators

        R. F. Stengel and Q. Wang

        Proceedings of the American Control Conference, Philadelphia, PA, June 1998, pp. 3138-3142.