Well-educated and accomplished control systems engineer with a history of exceeding performance goals.

  Strong background in dynamic systems and control, with advanced system modeling skills.

  PhD, Mechanical and Aerospace Engineering, and also Six Sigma Black Belt Certified.

  Three years of valuable, hands-on experience improving performance at General Motors (GM).

  Stellar writing skills, including authoring several technical journal and conference articles.

  Proficient with Microsoft Word and Excel; LateX; MATLAB; Simulink; GT-Power; AutoCAD and Mathematica, and familiar with INCA, ASCMO and AmeSim.

Project Engineer, Advanced Controls General Motors (GM) Powertrain 2012-Present

Major Projects:

  Purge System in Evaporative Emission (EVAP):

  Designed the pump model and integrated it into the company s standard purge system model.

  Performed variation analysis, including studying pump size and performance.

  Diagnosed systems to validate and achieve LEV III compliance.

  Concept and validation of Rule-Based Engine-Out NOx model for Diesel Engines:

  Conceptualized the rule-based model for Engine-Out NOx measurement.

  Conducted data and variation analysis on the designed EO NOx model.

  Global volumetric efficiency calibration:

  Built a data-based optimization model for to improve volume efficiency in small block engines that was used to generate calibration tables to estimate air.

Previously:

Researcher, Propulsion Systems Research Lab GM Global R&D 2011-2012

  Designed controls for the eAssist hybrid system in a proprietary vehicle simulation environment.

Graduate Research Associate The Ohio State University 2007-2011

  Created robust controls based on ecological sign stability and also designed cooperative control of multi-robot systems.

Research Intern, GM Global R&D Summer 2008

  Helped to analyze and design a phasor control mechanism for Opposed Piston Engine and also performed architecture analysis of a Hybrid electric vehicle powertrain.

Graduate Research Assistant, University of Tennessee 2003-2005

  Oversaw experimental verification of non-linear behavior of oscillations in the Rijke tube, including designing a Rijke tube experiment to study the thermoacoustic phenomenon.

  Associate Editor, American Control Conference; 2015

  Member, Technical Committee, AIAA Guidance, Navigation and Control

PhD, Mechanical and Aerospace Engineering, The Ohio State University; earned 2011

  Chosen Reviewer, Journal and Conference papers, ASME and IEEE societies

  Student Travel Grant Award, ASME Dynamic Systems and Controls Conference, 2010

  Student Travel Grant Award, IEEE American Controls Conference, 2010

  Best Presentation of the Session Award, American Control Conference, 2010

  Invited Guest Speaker, Ecological Sign Stability and its Use in Robust Control Design for Aerospace Applications, India, 2009

Master of Science (MS), Aerospace Engineering, University of Tennessee; earned 2006

  Distinguished Graduate Student Award, outstanding research, Women in Engineering Program

Bachelor of Engineering, Mechanical Engineering, Osmania University India; earned 2003

Six Sigma Black Belt Certified

Journal Publications:

  N. Devarakonda, R. K. Yedavalli, Determiantion of most desirable nominal closed-loop state space system via Qualitation Ecological principles  , ASME Journal of Dynamic Systems, measurement and Control, Vol. 138, February, 2016.

  N. Devarakonda Preeti Sar and R. K. Yedavalli, Robust Flight Control Design for Linear Systems with real parameter uncertainty , AIAA Journal of Guidance, Control and Dynamics, Vol. 38, No. 11, pp. 2195-2200.

  R. K. Yedavalli, N. Devarakonda, Qualitative principles of ecology and their implications in quantitative engineering systems with application in control design for Satellites and Aircrafts , AIAA Journal of Guidance, Control and Dynamics, Vol. 33, No. 2, 2010, pp: 333-346.

Selected Conference Publications:

  N. Devarakonda, R. K. Yedavalli, Engineering perspective of ecological sign stability and its application , Proceedings of American Control Conference, Baltimore, MD, June, 2010, (semi-finalist for student best paper award), pp: 5062-5067.

  N. Devarakonda, R. K. Yedavalli, A new and simple robust control design for linear systems with structured time varying real parameter uncertainty , Proceedings of IEEE Conference on Decision and Control, Atlanta, GA, Dec. 2010. (Invited for submission to Asian Journal of Control)

  N. Devarakonda, R. K. Yedavalli, Innovative eco-inspired robust control design methodology with application to aircraft propulsion systems , 47th AIAA Joint Propulsion Conference, San Diego, CA, July, 2011.

  N. Devarakonda, R. K. Yedavalli, Ecologically inspired cooperative control of multi-robot systems , International Symposium on Resilient Control Systems, Boise, ID, Aug. 2011.

Invited Book Chapter Publication:

  Robust Stability and Control of Linear Interval Parameter Systems using Quantitative (State Space) and Qualitative (Ecological) Perspectives in Robust Control, Theory and Applications , A. Bartoszewicz (Ed.), Intech Open Access Publisher, 2011.