Publications

 

Journal Papers

 

Effect of interlayer temperature on melt-pool morphology in laser powder bed fusion

Q. Wang, P. Michaleris, Y. Ren, C. Dickman, E. Reutzel

Additive Manufacturing Letters, 2023, 100169.

 

A finite difference method for fast prediction and control of part-scale temperature evolution in laser powder bed fusion

Y. Ren and Q. Wang

Journal of Manufacturing Process, 2023, 93, pp. 299 – 314

 

Physics-based feedforward control of metal additive manufacturing

Q. Wang

ASM Handbook, Vol. 24A, Additive Manufacturing Design and Applications; Division 6, In-Situ Monitoring and Control

 

Part-scale thermal evolution and post-process distortion of Inconel-718 builds fabricated by laser powder bed fusion

Q. Wang, P. Michaleris, M. Pantano, C. Li, Y. Ren, and A. R. Nassar

Journal of Manufacturing Processes, 2022, 81, 865-880

 

A thermo-mechanical analysis of laser hot wire additive manufacturing of NAB

G. W. Hatala, Q. Wang, E. W. Reutzel, C. R. Fisher, and J. K. Semple

Metals 2021, 11(7), 1023. 

 

Iterative simulation-based techniques for control of laser powder bed fusion additive manufacturing

J. E. Irwin, Q. Wang, P. Michaleris, A. R. Nassar, Y. Ren, and C. B. Stutzman

Additive Manufacturing, 2021, 102078

 

Gaussian-process based modeling and optimal control of melt-pool geometry in laser powder bed fusion

Y. Ren and Q. Wang

Journal of Intelligent Manufacturing, 2021, 1-18

 

A physics-informed two-level machine-learning model for predicting melt-pool size in laser powder bed fusion

Y. Ren, Q. Wang, and P. Michaleris

ASME Journal of Dynamic Systems, Measurement, and Control, 2021, Vol. 143, 121006

 

Model-based feedforward control of part height in directed energy deposition

Q. Wang, J. Li, A. R. Nassar, E. W. Reutzel, W. F. Mitchell

Materials, 2021, 14, 337.

 

Model-based feedforward control of laser powder bed fusion additive manufacturing

Q. Wang, P. Michaleris, A. R. Nassar, J. Irwin, Y. Ren, C.B. Stutzman

Additive Manufacturing, 31, 100985, 2020.

 

Benchmarking machine learning algorithms on blood glucose prediction for Type 1 Diabetes in comparison with classical time-series models

J. Xie and Q. Wang

IEEE Transactions on Biomedical Engineering, 2020. DOI: 10.1109/TBME.2020.2975959.

 

A personalized diet and exercise recommender system for type 1 diabetes self-management: an in silico study

J. Xie and Q. Wang

                  Smart Health, 2019, 10069, https://doi.org/10.1016/j.smhl.2019

 

A data-driven personalized model of glucose dynamics taking into account of the effects of physical activity for type 1 diabetes: an in silico study

J. Xie and Q. Wang

ASME Journal of Biomechanical Engineering, 2018, doi: 10.1115/1.4041522

 

An analytical computation of temperature field evolved in directed energy deposition

J. Li, Q. Wang, and P. Michaleris

ASME Journal of Manufacturing Science and Engineering, 140(10), 2018, 101004.

 

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.

 

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.

 

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.

 

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. 

 

 

Conference Papers and Presentations

 

Multi-scale power optimization for powder bed laser fusion additive manufacturing

P. Michaleris, Q. Wang, E. Denlinger, E. Reutzel, and C. Dickman

2023 RAPID + TCT, Chicago, IL, May 2-4, 2023.

 

Fast computation and optimal control of part-scale interlayer temperature for laser powder bed fusion based on the finite difference method

Y. Ren and Q. Wang

Modeling, Estimation and Control Conference (MECC) 2022, New Jersey, NJ, October 2-5, 2022

 

Directed energy deposition additive manufacturing of Nickel Aluminum Bronze: Temperature dependent properties for predicting distortion

G. Hatala, Q. Wang, E. Reutzel, C. R. Fisher, and J. K. Semple

2021 International Solid Freeform Fabrication Symposium (SFF), Vitural, August 2-4, 2021.

 

Part-scale thermal FEA modeling and experimental validation of laser powder bed fusion

                   C. Li, E. Denlinger, M. Gouge, J. Irwin, P. Michaleris, A. Nassar, and Q. Wang

2021 International Solid Freeform Fabrication Symposium (SFF), Vitural, August 2-4, 2021.

 

Iterative simulation-based techniques for control of laser powder bed fusion additive manufacturing

J. Irwin, Q. Wang, and P. Michaleris

The 16th U. S. National Congress on Computational Mechanics (USNCCM), Mini Symposium on Modeling and Simulation for Additive Manufacturing, Chicago, IL, July 25 – 29, 2021. 

 

Physics-informed Gaussian process based optimal control of laser powder bed fusion

Y. Ren and Q. Wang

Proceedings of ASME Dynamic Systems and Control Conference, 2020. DSCC2020-3197

 

A control-oriented model for melt-pool volume in laser powder bed fusion additive manufacturing

Q. Wang

Proceedings of ASME Dynamic Systems and Control Conference, Park City, Utah, October 8-11, 2019

 

Machine-learning based thermal-geometric predictive modeling of laser powder bed fusion additive manufacturing

Y. Ren, Q. Wang, and P. Michaleris

Proceedings of ASME Dynamic Systems and Control Conference, Park City, Utah, October 8-11, 2019

 

A machine-agnostic feedforward controller for commercial powder bed fusion systems

B. Stutzman, A. Nassar, J. Irwin, Q. Wang, and P. Michaleris

2019 International Solid Freeform Fabrication Symposium, Austin, TX, August 12-14, 2019.

 

Iterative simulation and proportional-integral control techniques for constant melt pool volume

J. Irwin, P. Michaleris, and Q. Wang

2019 Finite Elements in Fluids (FEF-2019), Chicago, IL, March 31 – April 3, 2019.

 

Build height control in directed energy deposition using a model-based feed-forward controller

Q. Wang, J. Li, M. R. Nassar, E. R. Reutzel, and W. Mitchell

Proceedings of the ASME Dynamic Systems and Control Conference, Atlanta, GA, 2018

 

Towards computational modeling of temperature field evolution in directed energy deposition processes

J. Li, Q. Wang, and P. Michaleris

Proceedings of the ASME Dynamic Systems and Control Conference, Atlanta, GA, 2018

 

Benchmark machine learning approaches with classical time series approaches on the blood glucose level prediction challenge

J. Xie and Q. Wang

Proceedings of the 3rd International Workshop on Knowledge Discovery in Healthcare Data (Co-located with IJCAI/ECAI 2018), Stockholm, Sweden, July 13th, 2018

 

A personalized diet and exercise recommender system in minimizing clinical risk for type 1 diabetes: an in silico study

J. Xie and Q. Wang

Proceedings of the ASME Dynamic Systems and Control Conference, Tyson, VA, October, 2017

 

Model prediction for deposition height during a direct metal deposition process

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

Proceedings of American Control Conference, Seattle, WA, May 24-26, 2017, pp. 2188-2194.

 

A nonlinear data-driven model of glucose dynamics accounting for physical activity for type 1 diabetes: an in silico study

J. Xie and Q. Wang

Proceedings of the ASME Dynamic Systems and Control Conference, Minneapolis, MN, October 10-14, 2016

 

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. 

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.

 

 

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.