Photo of ALOK SINHA

Alok Sinha

Professor

Department(s):

  • Mechanical and Nuclear Engineering
  • Mechanical Engineering

330 Reber Building

axs22@psu.edu

814-863-3079

Personal or Departmental Website

Research Areas:

Energy Systems, Mechanical Sciences, Sensors & Controls

Interest Areas:

Turbine blade vibration, Magnetic bearings, Active vibration control, Sliding mode control, Robust control, Neural network.

 
 

 

Education

  • BS, Indian Institute of Technology, Delhi, 1978
  • Ph D, Carnegie Mellon University, 1983

Publications

Book

  • Alok Sinha, 2017, Vibration of nearly periodic structures and mistuned bladed rotors, Cambridge University Press
  • Alok Sinha, 2011, Solution manual for vibration of mechanical systems, Cambridge University Press
  • Alok Sinha, 2010, Vibration of mechanical systems, Cambridge University Press
  • Alok Sinha, 2007, Linear systems: Optimal and robust control, CRC/Taylor & Francis Press, pp. 488
  • Alok Sinha, 2007, Solution manual (Linear systems: Optimal and robust control), CRC/Taylor & Francis Press

Conference Proceeding

  • Robert Hudson and Alok Sinha, 2016, "Friction damping of flutter: Microslip versus macroslip", Proceedings of ASME Design Engineering Technical Conference (IDETC2016-60423)
  • Alok Sinha, 2016, "Vibration absorbers for a mistuned bladed disk", Proceedings of ASME Turbo Expo, Seoul, Korea (GT2016-56076)
  • Vinod Vishwakarma and Alok Sinha, 2015, "Estimation of forcing function for a geometrically mistuned bladed rotor via modified modal domain analysis", ASME Turbo Expo, Montreal Canada, June 2015, USA
  • Alok Sinha, 2014, "Optimal damped vibration absorber: Including multiple modes and excitation due to rotating unbalance"
  • Alok Sinha, S. J. Schiff and N. Huebel, 2013, "Estimation of internal variables from Hodgkin-Huxley neuron voltage", IEEE Neural Engineering Conference
  • B. D. Rittenhouse and Alok Sinha, 2013, "Optimal sliding mode Gaussian controller for a hydropower plant with grid dynamics", Proceedings of 2013 ASME Dynamic Systems and Control Conference
  • V. Vishwakarma, Alok Sinha, Y. Bhartita and J. Brown, 2013, "Modified modal domain analysis of a bladed rotor using coordinate measurement machine data on geometric mistuning", ASME Turbo Expo
  • B. D. Rittenhouse and Alok Sinha, 2013, "Optimal sliding mode Gaussian controller for a hydropower plant", Proceedings of American Control Conference
  • X. Ding and Alok Sinha, 2012, "Hydropower plant load frequency control via second order sliding mode", ASME Dynamic Systems and Control Conference
  • Y. Bhartiya and Alok Sinha, 2012, "Geometric mistuning identification of integrally bladed rotors using modified modal domain analysis", ASME Design Engineering Technical Conference
  • Y. Bhartiya and Alok Sinha, 2011, "Reduced order modeling of a bladed rotor with geometric mistuning: Alternative bases and extremely large mistuning", Proceedings of the International Gas Turbine Congress, pp. IGTC2011 - 0186
  • X. Ding and Alok Sinha, 2011, "Hydroplant frequency control via feedback linearization and sliding mode control", Proceedings of the 2011 ASME Dynamic Systems and Control Conference
  • Y. Bhartiya and Alok Sinha, 2011, "Reduced order modeling of a bladed rotor with geometric mistuning via estimated deviations in mass and stiffness matrices", Proceedings of the ASME 2011 International Design Engineering Technical Conferences & International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), pp. IDETC/ MSNDC 2011
  • Y. Bhartiya and Alok Sinha, 2011, "Reduced order model of a bladed rotor with geometric mistuning: Comparison between modified domain analysis and frequency mistuning approach", ASME Turbo Expo, pp. GT2011 - 45391
  • Alok Sinha and X. Ding, 2011, "Sliding mode/H-infinity control of a hydro-power plant", Proceedings of American Control Conference
  • Y. Bhartiya and Alok Sinha, 2010, "Reduced order model of a multistage bladed rotor with geometric mistuning via modal analyses of finite element sectors", ASME Turbo Expo
  • Alok Sinha, 2008, "Mistuning analyses of a bladed disk: Pole-zero and modal approaches", ASME Turbo Expo, GT2008-50191
  • Alok Sinha, 2007, "Reduced-order model of a mistuned multi-stage bladed rotor", ASME Turbo Expo, GT2007-27277
  • Alok Sinha, 2007, "Reduced order model of a bladed rotor with geometric mistuning", ASME Turbo Expo, GT2007-27276
  • M. C. Pai and Alok Sinha, 2006, "Sliding mode output feedback control of time-varying mismatched uncertain systems", IEEE International Conference on Systems, Man and Cybernetics
  • Alok Sinha, 2006, "Statistical distribution of the peak maximum amplitude of the forced response of a mistuned bladed disk: Some investigations and applications of neural networks", ASME Turbo Expo
  • Alok Sinha, 2006, "Computation of eigenvalues and eigenvectors of a mistuned bladed disk", ASME Turbo Expo 2006, GT2006-90087, pp. 9
  • M. Widrich, Alok Sinha, E. Suarez and B. Cassenti, 2006, "Applications of neural networks to the real-time prediction of metal temperatures in gas turbine engine components", ASME Turbo Expo, GT2006-90317, pp. 8
  • Alok Sinha, B. Hall, B. Cassenti and G. Hilbert, 2005, "Vibratory parameters of blades from coordinate measurement machine (CMM) data", ASME Turbo Expo, pp. 9
  • Alok Sinha, 2005, "Statistics of the peak maximum amplitude of the forced response of a mistuned bladed disk", ASME Turbo Expo, pp. 8
  • M. C. Pai and Alok Sinha, 2005, "Increasing the robustness of input shaping method via sliding mode and H-infinity/Mu technique", IEEE International Conference on Systems and Signals, Proceedings of ICSS 2005, pp. 6
  • M. C. Pai and Alok Sinha, 2004, "Sliding mode control of vibration in a flexible structure using output feedback method", 8th International Workshop on Variable Structure Systems
  • M. C. Pai and Alok Sinha, 2003, "Sliding mode control of vibration in a flexible structure using output feedback method", Proceedings of ASME International Mechanical Engineering Congress & Exposition, IMECE 2003-43228
  • Alok Sinha, 2003, "Computation of the statistics of forced response of a mistuned bladed disk assembly via polynomial chaos", Proceedings of ASME Turbo Expo, GT2003-38961
  • D. Cha and Alok Sinha, 2002, "Effects of the nature of excitation on the response of a mistuned bladed disk assembly", ASME International Gas Turbine Conference

Journal Article

  • Robert Hudson and Alok Sinha, 2016, "Frictional damping of flutter: Microslip versus macroslip", ASME Journal of Vibration and Acoustics, 138, (6)
  • Alok Sinha, 2016, "Optimal damping of a taut cable under random excitation", ASME Journal of Vibration and Acoustics, 138, (4)
  • X. Ding and Alok Sinha, 2016, "Hydropower plant load frequency control via feedback linearization and sliding mode control", ASME Journal of Dynamic Systems, Measurement and Control, 138, (7), pp. 074501-1 to 074501-5
  • Alok Sinha and Vinod Vishwakarma, 2016, "Estimation of forcing function for a geometrically mistuned bladed rotor via modified modal domain analysis", ASME Journal of Engineering for Gas Turbines and Power, 138, (4)
  • Alok Sinha, 2015, "Optimal damped vibration absorber: Including multiple modes and excitation due to rotating unbalance", ASME Journal of Vibration and Acoustics, 137, (6)
  • Vinod Vishwakarma and Alok Sinha, 2015, "Forced response statistics of a bladed rotor with geometric mistuning", AIAA Journal, 53, (9)
  • Vinod Vishwakarma, Alok Sinha, Yasharth Bhartiya and Jeffrey Brown, 2015, "Modified modal domain analysis of a bladed rotor using coordinate measurement machine data on geometric mistuning", ASME Journal of Engineering for Gas Turbines and Power, 137, (4)
  • Y. Bhartiya and Alok Sinha, 2014, "Geometric mistuning identification of integrally bladed rotors using modified modal domain analysis", ASME Journal of Engineering for Gas Turbines and Power, 136, pp. 122504-1 to 122504-8
  • Y Bhartiya and Alok Sinha, 2014, "Accuracies of reduced order models of a bladed rotor with geometric mistuning", ASME Journal of Turbomachinery, 136, (7), pp. 074501-1 - 074501-4
  • Y. Bhartiya and Alok Sinha, 2013, "Reduced order modeling of a bladed rotor with geometric mistuning: Alternative bases and extremely large mistuning", International Journal of Gas Turbine, Propulsion and Power Systems, 5, (1)
  • Y. Bhartiya and Alok Sinha, 2013, "Reduced order modeling of a bladed rotor with geometric mistuning via estimated deviations in mass and stiffness matrices", ASME Journal of Engineering for Gas Turbine and Power, 135, pp. 052501-1 to 052501-1
  • P. Gorzelic, S. J. Schiff and Alok Sinha, 2013, "Model-based rational feedback controller design for closed-loop deep brain stimulation of Parkinson's disease", Journal of Neural Engineering, 10, (2)
  • Y. Bhartiya and Alok Sinha, 2012, "Reduced order model of a multistage bladed rotor with geometric mistuning via modal analyses of finite element sectors", ASME Journal of Turbomachinery, 134, pp. 041001-1 to 041001-8
  • D. Cha and Alok Sinha, 2011, "Computation of the optimal normal load for a mistuned and frictionally damped bladed disk assembly under different types of excitation", ASME Journal of Computational and Nonlinear Dynamics, 6, (2), pp. 021012-1 to 10
  • M. C. Pai and Alok Sinha, 2011, "Increasing the robustness of input shaping method to parametric uncertainties and time delays via sliding mode and H-infinity/Mu techniques", ASME Journal of Dynamic Systems, Measurement and Control, 133, pp. 021001-1 to 021001-8
  • Alok Sinha, 2010, "Elimination of vibration localization in a micro/nano mechanical resonator array", IEEE Transactions on Control Systems Technology, 18, (6), pp. 1464-1468
  • Alok Sinha, 2010, "Computation of eigenvalues and eigenvectors of a mistuned bladed disk via unidirectional Taylor series expansions", ASME Journal of Turbomachinery, 132, pp. 044501
  • Alok Sinha, 2010, "Mistuning analyses of a bladed disk: Pole-zero and modal approaches", International Journal of Turbo and Jet Engines, 27, (1), pp. 11-25
  • Alok Sinha, 2009, "Reduced order model of a bladed rotor with geometric mistuning", ASME Journal of Turbomachinery, 131, pp. 031007-1 to 031007-7
  • M.-C. Pai and Alok Sinha, 2009, "Asymptotic stability for coupled modal sliding mode control of vibration in a flexible structure", Shock and Vibration Journal, 16, (3), pp. 319-324
  • Alok Sinha, 2009, "Optimal damped vibration absorber for narrow band random excitations: A mixed H2/H-infinity optimization", Probabilistic Engineering Mechanics, 24, pp. 251-254
  • Alok Sinha, 2008, "Reduced-order model of a mistuned multi-stage bladed rotor", International Journal of Turbo and Jet Engines, 25, pp. 145-153
  • Alok Sinha, B. Hall, B. Cassenti and G. Hilbert, 2008, "Vibratory parameters of blades from coordinate measurement machine data", ASME Journal of Turbomachinery, 130, (1), pp. 011013-1 - 011013-8
  • M.-C. Pai and Alok Sinha, 2007, "Sliding mode output feedback control of vibration in a flexible structure", ASME Journal of Dynamic Systems, Measurement and Control, 129, (6), pp. 851-855
  • Alok Sinha, 2006, "Computation of the statistics of forced response of a mistuned bladed disk assembly via polynomial chaos", ASME Journal of Vibration and Acoustics, 128, (4), pp. 449-457
  • D. Cha and Alok Sinha, 2006, "Statistics of responses of a mistuned and frictionally damped bladed disk assembly subjected to white noise and narrow band excitations", Probabilistic Engineering Mechanics, 21, pp. 384-396
  • Alok Sinha, 2005, "Nonlinear dynamics of atomic force microscope with PI feedback", Journal of Sound and Vibration, 288, pp. 387-394
  • D. Cha and Alok Sinha, 2003, "Computation of the optimal normal load of a friction damper under different types of excitation", ASME Journal of Engineering for Gas Turbines and Power, 125, (4), pp. 1042-1049
  • P. Bhatta and Alok Sinha, 2003, "A discrete-time, optimal, active vibration absorber", Journal of Sound and Vibration, 268, pp. 201-208
  • D. Cha and Alok Sinha, 2002, "Effects of the nature of excitation on the response of a mistuned bladed disk assembly", ASME Journal of Turbomachinery, 124, pp. 588-596
  • Xibei Ding and Alok Sinha, , "Hydropower plant frequency control via second order sliding mode", ASME Journal of Dynamic Systems, Measurement and Control
  • Alok Sinha and Vinod Vishwakarma, , "Estimation of forcing function for a geometrically mistuned bladed rotor via modified modal domain analysis", ASME Journal of Engineering for Gas Turbine and Power

Other

  • V. Vishwakarma and Alok Sinha, 2014, "Forced response statistics of a bladed rotor with geometric mistuning"
  • Alok Sinha and Y. Bhartiya, 2009, "Modeling geometric mistuning of a bladed rotor: Modified modal domain analysis"
  • Alok Sinha, 2005, "Impact of breakthrough technologies on the IIT curriculum"
  • Alok Sinha, B. Hall, B. Cassenti and G. Hilbert, 2004, "Vibratory parameters of blades from coordinate measurement machine (CMM) data"

Part of Book

  • Alok Sinha and Y. Bhartiya, 2010, Modeling geometric mistuning of a bladed rotor: Modified modal domain analysis, Springer, pp. 177-184

Research Projects

Honors and Awards

  • Visiting Professor of Aeronautics and Astronautics, Stanford University, May 2016 - May 2016
  • Fellow, American Society of Mechanical Engineers (ASME), ASME, 2002
  • Fellow, American Association for The Advancement of Science (AAAS), AAAS, 2011
  • Associate Fellow, American Institute of Aeronautics and Astronautics (AIAA), AIAA, 2011

Service

Service to Penn State:

  • , Course Leader, ME370, January 2015 - June 2016
  • , Reviewed ME Ph.D. Candidacy Exam. documents, September 2015 - December 2015
  • , February 2015
  • , January 2016

Service to External Organizations:

  • Co-Organizer, AIAA SciTech 2016, May 2015 - June 2015
  • Reviewer, ASME Journal of Dynamic Systems Measurement and Control, April 2015 - May 2015
  • Reviewer, AIAA SciTech 2016, Structural Dynamics, May 2015 - June 2015
  • Reviewer, October 2014 - October 2014
  • Reviewer, March 2014 - March 2014
  • Reviewer, May 2014 - May 2014
  • Attendee, April 2016
 


 

About

The Department of Mechanical and Nuclear Engineering at Penn State is one of the nation’s largest and most successful engineering departments. We serve more than 1,000 undergraduate students and more than 330 graduate students

We offer B.S. degrees in mechanical engineering and nuclear engineering as well as resident (M.S., Ph.D.) and online (M.S., M.Eng.) graduate degrees in nuclear engineering and mechanical engineering. MNE's strength is in offering hands-on experience in highly relevant research areas, such as energy, homeland security, biomedical devices, and transportation systems.

Department of Mechanical and Nuclear Engineering

137 Reber Building

The Pennsylvania State University

University Park, PA 16802-4400

Phone: 814-865-2519