Dr. Rajendra Kumar
Visiting Professor

Designation:

Visiting Assistant Professor

Specialization:

Broad area of applied Mechanics, vibration control, and optimization of engineering structure.

Email:

rajendra.kumar@thapar.edu

Contact No.

+91-8449-924-889

Biography

Rajendra Kumar is visiting assistant professor in Mechanical Engineering Department at Thapar Institute of Engineering & Technology, India.

Dr. Rajendra works in the field of mechanics of micro-electro-mechanical systems (MEMS) and mechanical vibration. Rajendra has pursued his Ph.D. from Indian Institute of Technology, Roorkee and a Master’s from, Indian Institute of Technology Delhi.

His research work focused on the enhancement of the dynamic performance of electrostatic MEMS through controlling the residual oscillations and contact bounces using a feed-forward control technique.

He does research in a broad area of applied mechanics. In particular, his interest is in dynamical system modeling, simulation, vibration control, and optimization of engineering structure.

Publications and other Research Outputs

SCI : 02   NON-SCI : 01

International Journals :

  • R.K. Godara, M.M. Joglekar, (2015) “Mitigation of residual oscillations in electrostatically actuated microbeams using a command shaping approach”, in IOP Journal of Micromechanics and Microengineering 25, 115028. DOI: http://dx.doi.org/10.1088/0960-1317/25/11/115028
  • R.K. Godara, M.M. Joglekar, (2017) “Alleviation of residual oscillations in electrostatically actuated variable-width microbeams using a feedforward control strategy”, Microsystem Technologies, 23(10), 4441–4457 DOI: http://link.springer.com/article/10.1007/s00542-016-3211-x
  • R.K. Godara, M.M. Joglekar, (2016) “Mitigation of contact bounces in electrostatically actuated nonprismatic microbeams”, Micro and Nanosystems, 8(2), 99-113 (15) DOI: 10.2174/1876402908666161205143000
  • R.K. Godara, M.M. Joglekar, (2016) “Suppression of contact bounce in beam-type microelectromechanical switches using a feedforward control scheme” under review.

International Conferences/Symposium:

  • R.K. Godara, M.M. Joglekar, (2015) “Mitigation of Residual Oscillations of Electrostatically Actuated Microbeams using a Novel Command-Shaping Technique”, in Proceedings of 12th International Conference on Vibration Problems, Dec.14-17, IIT Guwahati, India, 2015
  • R.K. Godara, M.M. Joglekar, (2015) “Stabilization of Electrostatically Actuated Microbeams with Geometric Nonlinearity using a Novel Command-Shaping Technique”, in 2nd Mechanical Engineering Graduate Research Symposium (MEGRES)
  • R.K. Godara, Pulkit Singhal, M.M. Joglekar, (2017) “Retractability of an Electrically Driven Initially Curved Microbeam” Eighth ISSS International Conference on Smart Materials, Structures & Systems July 5-7, 2017 Indian Institute of Science, Bengaluru, Karnataka, INDIA
  • R.K. Godara, M.M. Joglekar, (2017) “A Novel Capacitive Mass Sensor Using an Open-Loop Controlled Microcantilever” Eighth ISSS International Conference on Smart Materials, Structures & Systems July 5-7, 2017 Indian Institute of Science, Bengaluru, Karnataka, INDIA

Description of Research Interests:

Together with my students and colleagues; I do research in the area of mechanics of microsystems. In particular, my interest is in mathematical modeling, simulation and optimization of complex engineering systems. Some of the specific areas of my current interest are:

  • Mechanics of micro-electro-mechanical systems (MEMS)
  • Feedforward control of electrostatic microactuators