Surya Shravan Kumar Sajja

Contact information

Education

• 2009 - 2012 : Doctor of Philosophy, Hamilton Institute, NUI Maynooth , Co Kildare, Ireland.
  Thesis: Stability results for constrained dynamical systems,
  Supervisor: Prof. Robert Shorten.

• 2005 - 2007: Master of Technology in Interdisciplinary Programme in Systems and Control Engineering, Indian Institute of Technology Bombay, Mumbai, India.
  Thesis: Bending compensation and vibration damping of magnetically levitated rotors.

• 2001 - 2005 : Bachelor of Technology in Electrical and Electronics Engineering, Jawaharlal Nehru Technological University, Hyderabad, India.
  Thesis: Design and testing of a three-phase amorphous core distribution transformer.

Research Positions

• 12/2012 - : Postdoctoral Research Scholar, Department of Electrical Engineering, University of Notre Dame , Indiana, USA.

• 03/2009 - 10/2012 : Research Assistant, Hamilton Institute, NUI Maynooth , Co Kildare, Ireland

• 08/2011 - 05/2012: Visiting Researcher, Fachgebiet Regelungssysteme, Technische Universität Berlin , Germany.

• February - 2010 : Visiting Researcher, Fachgebiet Institut für Mathematik, Universität Würzburg , Germany.

• 08/2007 - 12/2008: Research Assistant, Distributed Intelligent Systems and Algorithms Laboratory (DISAL), EPFL, Lausanne, Switzerland.

• 08/2007 - 12/2008: Research Assistant, Structural Engineering Research Laboratory, EMPA, ETHZ, Zurich, Switzerland.

• 09/2006 - 06/2007: DAAD Research Scholar (Master Thesis), Institut für Regelungs- und Steuerungstheorie, TU-Dresden, Germany.

Research Interests

Distributed Control, Stability Theory, Switched Systems, Descriptor Systems, Vibration Control, Mathematical Modeling.

Peer reviewed journal articles:

1. Shravan Sajja, Martin Corless, Ezra Zeheb and Robert Shorten
   “Comments and Observations on the Passivity of Descriptor Systems in state space,”
   Accepted by International Journal Control.

2. Shravan Sajja, Francesco Rossi, Patrizio Colaneri and Robert Shorten
   “Extensions of “Padé Discretization for Linear Systems With Polyhedral Lyapunov Functions” for generalized Jordan structures,”
   Accepted by IEEE Transactions on Automatic Control.

3. Wynita Griggs, Shravan Sajja, Robert Shorten and Brian Anderson
   “On Interconnections of Mixed Systems Using Classical Stability Theory,”
   Systems and Control Letters, 61(5), 676-682, 2012.

4. Shravan Sajja, Martin Corless, Ezra Zeheb and Robert Shorten,
   “Stability conditions for a class of switching descriptor systems,”
   Accepted by Automatica.

5. Robert Shorten, Martin Corless, Shravan Sajja and Selim Solmaz,
   “On Pad´e Approximations and the Preservation of Quadratic Stability for Switched Linear Systems,”
   Systems and Control Letters, 60(9), 683–689, 2011.

6. Ezra Zeheb, Robert Shorten and Shravan Sajja,
   “Strict positive realness of descriptor systems in state space,”
   International Journal of Control, 83(9), pp. 1799–1809, 2010.

Proceedings:

1. Wynita Griggs, Shravan Sajja, Robert Shorten and Brian Anderson
   “Extending Small Gain and Passivity Theory for Large-Scale System Interconnections,”
   in Proc. IEEE American Control Conference, pp. 6376-6381, 2012.

2. Shravan Sajja, Selim Solmaz, Robert Shorten, and Martin Corless,
   “Preservation of Common Quadratic Lyapunov Functions and Pad´e Approximations,”
   in Proc. IEEE 49th Conference on Decision and Control, pp. 7334-7338, 2010.

Articles under review:

1. W. M. Griggs, R. H. Ordonez-Hurtado, Shravan Sajja, A. Lanzon and R. N. Shorten,
   “Characterisations of the "mixed" small gain and passivity property for linear systems in discrete time, ”
   Submitted to European Control Conference 2013, Switzerland, July 2013.

2. Shravan Sajja, Martin Corless, Ezra Zeheb and Robert Shorten,
   “Stability of a class of switched descriptor systems, ”
   Submitted to American Control Conference 2013, USA, July 2013.

3. Shravan Sajja, Martin Corless, Ezra Zeheb and Robert Shorten,
   “A-stable Padé approximations and Quadratic Stability, ”
   Submitted to American Control Conference 2013, USA, July 2013.

Articles under preparation:

1. Shravan Sajja and Robert Shorten
   “Discretization for Linear Descriptor Systems and Preservation of Quadratic Lyapunov Functions.”
   

2. Shravan Sajja, Martin Corless, Ezra Zeheb and Robert Shorten,
   “Applications of Full Rank Decomposition for Descriptor Systems.”
   

3. Shravan Sajja, Martin Corless, Ezra Zeheb and Robert Shorten,
   “Robustness of Quadratic Stability w.r.t. Discretization.”
   

Technical skills

• Languages : Assembly, C, C++

• Scripts : HTML, Matlab