PUBLICATIONS 2018-11-27T16:19:16+00:00

Publications

  1. N. Alibeji, V. Molazadeh, F. Moore-Clingenpeel, and N. Sharma, “A Muscle Synergy Inspired Control Design to Coordinate Functional Electrical Stimulation and a Powered Exoskeleton,” IEEE Control Systems, 38 (6), pp. 35-60, 2018.
  2. N. Alibeji, V. Molazadeh, B. Dicianno, and N. Sharma, “A Control Scheme that uses Dynamic Postural Synergies to Coordinate a Hybrid Walking Neuroprosthesis: Theory and Experiments,” Frontiers in Neuroscience, section: Neural Prostheses for Locomotion, vol. 12, pp. 159, 2018.
  3. N. Kirsch, X. Bao, Brad E. Dicianno, and N. Sharma, “Model-based Dynamic Control Allocation in a Hybrid Neuroprosthesis,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 26, no. 1, pp. 224-232,2018.
  4. N. Sharma, N. Kirsch, N. Alibeji, and W. E. Dixon “A Nonlinear Control Method to Compensate for Muscle Fatigue During Neuromuscular Electrical Stimulation,” Frontiers in Robotics and AI, vol. 4, pp. 68, 2017.
  5. M. Allen, Q. Wang, N. Kirsch, A. Dani, W. Clark, and N. Sharma, “A Nonlinear Limb Angle Estimator for Functional Electrical Stimulation-elicited Tasks,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 25, no. 12, pp. 2365-2374, 2017.
  6. B. Doll, N. Kirsch, X. Bao, B.E. Dicianno, and N. Sharma, “Dynamic Optimization of Stimulation Frequency to Reduce Isometric Muscle Fatigue Using a Modified Hill-Huxley Model“, Muscle & Nerve, 2017.
  7. N. Alibeji and N. Sharma, “A PID-type Robust Input Delay Compensation Method for Uncertain Euler-Lagrange Systems,” IEEE Transactions on Control Systems and Technology, vol. 25, no. 6, pp. 2235-2242, 2017
  8. N. Alibeji, N. Kirsch, B. E. Dicianno, and N. Sharma, “A Modified Dynamic Surface Controller for Delayed Neuromuscular Electrical Stimulation,” IEEE/ASME Transactions on Mechatronics, vol. 22, no. 4, pp. 1755–1764, 2017.
  9. N. Alibeji, B. E. Dicianno, and N. Sharma, “Bilateral Control of Functional Electrical Stimulation and Robotics-based Telerehabilitation,” International Journal of Intelligent Robotics and Applications, vol. 1, no. 1, pp. 6–18, 2017.
  10. N. Alibeji, N. Kirsch, and N. Sharma, “An Adaptive  Low-Dimensional Control to Compensate for Effector Redundancy and FES-Induced Muscle Fatigue in a Hybrid Neuroprosthesis,” Control Engineering Practice, vol. 59, pp. 204–2019, 2017.
  11. N. Kirsch, N. Alibeji, and N. Sharma, “Nonlinear Model Predictive Control of Functional Electrical Stimulation,” Control Engineering Practice, vol. 58, pp 319-331, 2017.
  12. N. Alibeji, N. Kirsch, and N. Sharma, ” A Muscle Synergy-inspired Adaptive Control Scheme for a Hybrid Walking Neuroprosthesis,” Frontiers in Bioengineering and Biotechnology, section Bionics and Biomimetics, vol. 3, no. 203, 2015.
  13. N. Alibeji, N. Kirsch, and N. Sharma, ” Further Results on Predictor-based Control of Neuromuscular Electrical Stimulation,”  IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 23, no. 6, pp 1095-1105, 2015.
  14. N. Sharma, V. Mushahwar, and R. Stein, “ Dynamic Optimization of FES and Orthosis-based Walking using Simple Models,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 22, no. 1, pp. 114-126, 2014.
  15. Q.Wang, N. Sharma, M. Johnson, C. M. Gregory, and W. E. Dixon, “ Adaptive Inverse Optimal Neuromuscular Electrical Stimulation,” IEEE Transactions on Cybernetics, vol. 43, no.6, pp. 1710-1718, 2013.
  16. N. Fischer, A. Dani, N. Sharma, and W. E. Dixon, “ Saturated Control of an Uncertain Nonlinear System with Input Delay,” Automatica, vol. 49, no. 6, pp. 1741-1747, 2013.
  17. N. Sharma, C. M. Gregory, M. Johnson, and W. E. Dixon, ” Closed-loop Neural Network-based NMES Control for Human Limb Tracking,” IEEE Transactions on Control Systems Technology, Vol. 20, No. 3, pp. 712-725, May 2012.
  18. N.Sharma, S. Bhasin, Q. Wang, and W. E. Dixon, “ RISE-based Adaptive Control of a Control Affine Uncertain Nonlinear System with Unknown State Delays,” IEEE Transactions on Automatic Control, vol.57, no.1, pp. 255-259, Jan. 2012.
  19. N.Sharma, C. M. Gregory, and W. E. Dixon, “ Predictor-based Compensation for Electromechanical Delay during Neuromuscular Electrical Stimulation,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol.19, no.6, pp. 601-611, Dec. 2011.
  20. N.Sharma, S. Bhasin, Q. Wang, and W. E. Dixon, “ Predictor-Based Control for an Uncertain Euler-Lagrange System with Input delay,” Automatica, vol. 47, no. 11, pp. 2332-2342,2011.
  21. R.J. Downey, M. Bellman, N. Sharma, Q. Wang, C. M. Gregory, and W. E. Dixon, “ Novel Modulation Strategy to Increase Stimulation Duration in Neuromuscular Electrical Stimulation,” Muscle & Nerve, vol. 44, no. 3, pp. 382-387,2011.
  22. S.Bhasin, N. Sharma, Q. Wang, and W. E. Dixon, “ Asymptotic Tracking by a Reinforcement Learning based Adaptive Critic Controller,” Journal of Control Theory and Applications, Vol. 9, No. 3, pp. 400-409, 2011.
  23. N. Sharma, K. Stegath, C. M.Gregory, and W. E. Dixon, “ Nonlinear Neuromuscular Electrical Stimulation Tracking Control of a Human Limb,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, Vol 17, No. 6, pp. 576-584, 2009.
  24. C. M. Gregory, C. S. Bickel, N.Sharma, and W.E. Dixon, “ Comparing the Force and Excursion-Frequency Relationships in Human Skeletal Muscle,” Muscle and Nerve, Vol 38, No. 6,pp. 1627-9, 2008.
  1. V. Molazadeh, Z. Sheng, X. Bao, and N. Sharma, “A Robust Iterative Learning Switching Controller for Following Virtual Constraints: Application to a Hybrid Neuroprosthesis,” 2nd IFAC Conference on Cyber-Physical & Human-Systems, Miami, 2018, accepted
  2.  Z. Sun, X. Bao, and N. Sharma,” Lyapunov-Based Model Predictive Control of an Input Delayed Functional Electrical Simulation,” 2nd IFAC Conference on Cyber-Physical & Human-Systems, Miami, 2018, accepted
  3. F. Moore-Clingepeel, V. Molazadeh, and N. Sharma, “An Active-Subspace-Based Algorithm for Reducing Redundancy in a Hybrid Neuroprosthesis,” IEEE CDC 2018, accepted
  4. V. Molazadeh, Z. Sheng, N. Sharma, “A Within-Stride Switching Controller for Walking with Virtual Constraints: Application to a Hybrid Neuroprosthesis,” American Control Conference, Milwaukee, 2018, accepted
  5. Z. Sheng, V. Molazadeh, and N Sharma, “Hybrid Dynamical System Model and Robust Control of a Hybrid Neuroprosthesis Under Fatigue Based Switching,” American Control Conference, Milwaukee, 2018, accepted
  6. X. Bao, Z. Sheng, and N. Sharma, “A Tube-based Model Predictive Control Method for Sharing Control Inputs in a Hybrid Neuroprosthesis,” IROS workshop on Assistance and Service Robotics in a Human Environment, Vancouver, 2017.
  7. X. Bao, Z. Sun, and N. Sharma, “A Recurrent Neural Network based MPC for a Hybrid Neuroprosthesis System”, IEEE Conference on Decision and Control, Melbourne, Australia 2017, pp. 4715-4720.
  8. A. Dodson, N. Alibeji, and N. Sharma, “Experimental Demonstration of a Delay Compensating Controller in a Hybrid Walking Neuroprosthesis,” International IEEE EMBS Conference On Neural Engineering, Shanghai, China, 2017, pp. 465-468.
  9. N. Alibeji, N. Kirsch, and N. Sharma, “Preliminary Experiments of an Adaptive Low-Dimensional Control for a Hybrid Neuroprosthesis,” International Conference on NeuroRehabilitation , Spain, 2016, Converging Clinical and Engineering Research on Neurorehabilitation II. Springer International Publishing, 2017. 693-697.
  10. N. Kirsch, N. Alibeji, M. Redfern, and N. Sharma, “Dynamic Optimization of A Hybrid Gait Neuroprosthesis to Improve efficiency and Walking Duration: A Simulation Study,”  International Conference on NeuroRehabilitation, Spain, 2016, Converging Clinical and Engineering Research on Neurorehabilitation II. Springer International Publishing, 2017. 687-691.
  11. N. Kirsch, N. Alibeji, and N. Sharma, “Switching Control of Functional Electrical Stimulation and Motor Assist for Muscle Fatigue Compensation,” American Control Conference, Boston, MA, 2016, pp. 4865-4870.
  12. X. Bao, N. Kirsch, and N. Sharma, “Dynamic Control Allocation of a Feedback Linearized Hybrid Neuroprosthetic System,” American Control Conference, Boston, MA, 2016, pp. 3976-3981.
  13. T. Qui, N. Alibeji, and N. Sharma, “Robust Compensation of Electromechanical Delay During Neuromuscular Electrical Stimulation of Antagonistic Muscles,” American Control Conference, Boston, MA, 2016, pp. 4871-4876.
  14. H. Ravichandar, A. Dani, J. Khadijah-Hajdu, N. Kirsch, Q. Zhong, and N. Sharma, “Expectation Maximization Method to Identify an Electrically Stimulated Muscuoskeletal Model,” ASME Dynamic Systems and Control Conference, Columbus, Ohio, 2015, pp. V002T23A009.
  15. N. Kirsch, N. Alibeji, and N. Sharma, “Nonlinear Model Predictive Control of Functional Electrical Stimulation,” ASME Dynamic Systems and Control Conference, Columbus, Ohio, 2015, pp. V002T27A005.
  16. B. Doll, N. Kirsch, and N. Sharma, “Optimization of a Stimulation Train based on a Predictive Model of Muscle Force and Fatigue,” 9th IFAC Symposium on Biological and Medical Systems, Berlin, Germany, Vol 48, No. 20, pp. 338-342, 2015.
  17. N. Alibeji, N. Kirsch, and N. Sharma, “An Adaptive Low-Dimensional Control for a Hybrid Neuroprosthesis,” 9th IFAC Symposium on Biological and Medical Systems, Berlin, Germany, Vol 48, No. 20, pp. 303-308, 2015.
  18. N. Alibeji, N. Kirsch, and N. Sharma, “Dynamic Surface Control of Neuromuscular Electrical Stimulation of a Musculoskeletal System with Activation Dynamics and an Input Delay,” American Control Conference, Chicago, IL, 2015, pp. 631-636.
  19. A. Dani and N. Sharma, ” A Discrete-Time Nonlinear Estimator for an Orthosis-Aided Gait,” ASME Dynamic Systems and Control Conference, San Antonio, Texas, 2014, pp. V001T04A003. (Invited Session Paper)
  20. N. Kirsch, N. Alibeji, and N. Sharma, ” Model Predictive Control-based Dynamic Control Allocation in a Hybrid Neuroprosthesis,” ASME Dynamic Systems and Control Conference, San Antonio, Texas, 2014, pp. V003T43A003. (Invited Session Paper)
  21. N. Kirsch, N. Alibeji, L. Fisher, C. Gregory, and N. Sharma, ” A Semi-Active Hybrid Neuroprosthesis for Restoring Lower Limb Function in Paraplegics,” 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Chicago, Illinois, 2014, pp. 2557-2560.
  22. N. Alibeji, N. Kirsch, A. Sethi, and N. Sharma, ” A State Synchronization Controller for Functional Electrical Stimulation-Based Telerehabilitation,” ASME Dynamic Systems and Control Conference, San Antonio, Texas, 2014, pp. V003T43A004. (Invited Session Paper)
  23. N. Sharma, and A. Dani, ” Nonlinear Estimation of Gait Kinematics during Functional Electrical Stimulation and Orthosis-based Walking,”  American Control Conference, Portland, Oregon, 2014, pp. 4778-4783. (Invited Session Paper)
  24. N. Alibeji, N. Kirsch, and N. Sharma, ” Control of Functional Electrical Stimulation in the Presence of Electromechanical and Communication Delays,” 6th International IEEE EMBS Conference on Neural Engineering, San Diego, CA, 2013, pp. 299-302.
  25. N. Kirsch, N. Alibeji, and N. Sharma, ” Optimized Control of Different Actuation Strategies for FES and Orthosis aided Gait,” ASME Dynamic Systems and Control Conference, Palo Alto, CA, 2013, pp. V001T09A006. (Invited Session Paper)
  26. N. Fischer, R. Kamalapurkar, N.Sharma, and W. E. Dixon, ” RISE-Based Control of an Uncertain Nonlinear System With Time-Varying State Delays,” IEEE Conference on Decision and Control,Maui, Hawaii, USA, Dec. 10-13, 2012, pp. 3502-3507.
  27. N. Sharma and R. Stein, “ Gait Planning and Double Support Phase Model for Functional Electrical Stimulation-based Walking,” 34th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, San Diego, CA, 2012, pp.1904-1907.
  28. N. Sharma, “ Predictor-based Compensation for Electromechanical Delay during Neuromuscular Electrical Stimulation-II,” American Control Conference, Montreal, QC, 2012, pp. 5604- 5609.
  29. N. Fischer, A. Dani, N. Sharma,and W. E. Dixon, “ Saturated Control of an Uncertain Euler Lagrange System with Input Delay,” IEEE Conference on Decision and Control, Orlando, FL, 2011,pp. 7587-7592.
  30. N. Sharma and R. Stein, “ Optimal Trajectory Planning for a Constrained Functional Electrical Stimulation-Based Human Walking,” 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2011, pp. 603-7.
  31. N. Sharma, S. Bhasin, Q. Wang,and W. E. Dixon, “ RISE-based Adaptive Control of an Uncertain Nonlinear System with Unknown State Delays,” IEEE Conference on Decision and Control,Atlanta, GA, 2010, pp. 1773-78.
  32. Q. Wang, N. Sharma, M. Johnson,and W. E. Dixon, “ Asymptotic Optimal Control of Neuromuscular Electrical Stimulation,” IEEE Conference on Decision and Control, Atlanta, GA, 2010,pp. 839-844.
  33. Q. Wang, N. Sharma, M. Johnson,and W. E. Dixon, “ Adaptive Inverse Optimal Neuromuscular Electrical Stimulation,” IEEE International Symposium on Intelligent Control (ISIC),Yokohama, Japan, September 2010, pp. 1287-1292.
  34. N. Sharma, S. Bhasin, Q.Wang, and W. E. Dixon, “ Predictor-Based Control for an uncertain Euler-Lagrange System with Input delay,” American Control Conference, Baltimore, MD, 2010, pp.1422-1427.
  35. S. Bhasin, N. Sharma, P. M.Patre, and W. E. Dixon, “ Robust asymptotic tracking of a class of nonlinear systems using an adaptive critic based controller,” American Control Conference,Baltimore, MD, 2010, pp. 3223-3228.
  36. N. Sharma, P. M. Patre, C.M.Gregory, and W. E. Dixon, “ Nonlinear Control of NMES: Incorporating Fatigue and Calcium Dynamics,” ASME Dynamic Systems and Control Conference, Hollywood,CA, 2009, pp. 705-712.
  37. N. Sharma, M. Johnson, C. M.Gregory, and W. E. Dixon, “ Modified Neural Network-based Electrical Stimulation for Human Limb Tracking,” IEEE International Symposium on Intelligent Control (ISIC 2008), San Antonio, Texas, 2008, pp. 1320-1325.
  38.  K. Stegath, N. Sharma, C. M. Gregory, and W.E. Dixon, “ Nonlinear Tracking Control of a Human Limb via Neuromuscular Electrical Stimulation,” American Control Conference, Seattle, WA, 2008,pp. 1941-1946.
  39.  K. Stegath, N. Sharma, C. M. Gregory, and W.E. Dixon, “ Experimental Demonstration of RISE based NMES of Human Quadriceps Muscle,” IEEE-NIH Life Science Systems and Applications (LISSA’07)workshop, Bethesda, MD, pp 43-46.
  40.  K. Stegath, N. Sharma, C. M. Gregory, and W.E. Dixon, “ An Extremum Seeking Method for Non-isometric Neuromuscular Electrical Stimulation,” IEEE International Conference on Systems, Man and Cybernetics, Montreal, Canada, 2007, pp. 2528-2532.
  1. N. Sharma and N. Kirsch. “Modeling and Dynamic Optimization of a hybrid Neuroprosthesis for Gait Restoration.” Human Modeling for Bio-Inspired Robotics. Ed. Jun Ueda, Yuichi Kurita. Elsevier, 2016.