डॉ के. लक्ष्मी

डॉ के. लक्ष्मी

प्रधान वैज्ञानिक

CSIR-SERC
  • CSIR-SERC, Taramani, Chennai – 600 113
  • lakshmik(at)serc(dot)res(dot)in
  • +91-44-22545721

Academic Background

  • 2017 - Ph.D, Engineering Sciences- Academy of Scientific and Innovative research, AcSIR
  • 2001- M.E, Structural Engineering , Bharathiar University/ Karunya Institute of Technology, Coimbatore, First class with distinction
  • 1999 - B.E, Civil Engineering , Bharathiar University/ Institute of Road and Transport Technology, Erode, First class

Professional Background

  • Principal Scientist,  CSIR-Structural Engineering Research Centre, Chennai.  01/07/2018 - till date
  • Senior Scientist,  CSIR-Structural Engineering Research Centre, Chennai.  01/07/2014 - 30/06/2018
  • Scientist,  CSIR-Structural Engineering Research Centre, Chennai.  09/10/2009 - 30/06/2014
  • Scientist B - CSIR-SERC - Oct 2009-June 2011
  • Project Assistant, CSIR-Structural Engineering Research Centre, Chennai from Feb 2007 to July 2008
  • Lecturer, Bannari Amman Institute of Technology, Sathyamangalam, from Jan 2001 to Nov 2003

Areas of Scientific Interest

  • Structural health monitoring
  • Structural Dynamics
  • System Identification
  • Output-only data-based damage identification techniques for SHM
  • Optimisation techniques for system identification and damage quantification
  • Layup sequence design optimisation of laminate composites using Metaheuristic Evolutionary algorithms.
  • Computational Mechanics
  • Data Fusion techniques for damage localization
  • Condition assessment of RCC and steel bridges

Awards & Honours

  • Recipient of Ramaiah Best Paper Prize-2019, from CSIR-SERC for the paper titled, “A novel vibration based breathing crack localization technique using a single sensor measurement”
  • Recipient of Ramaiah Prize-Certificate of Merit -2018, for the paper titled, “Dynamic force reconstruction technique from incomplete measurements”

Reviewer for the following journals

  • Structural Control and Health monitoring
  • Journal of composites-Part-B 
  • Ocean Engineering
  • Structural and Multidisciplinary Optimization
  • International journal of stability and structural Dynamics
  • Non-Destructive Testing and Evaluation
  • Journal of The Institution of Engineers (India): Series A
  • CSIR-Journal of structural engineering

Membership of professional bodies:

  • The Indian Society For Wind Engineering
  • Computer Society Of India

Publications

  • K. Lakshmi, “A Multi-Model Based Approach for the Detection of Subtle Structural Damage Considering Environmental Variability”, International Journal of Structural Stability and Dynamics, Vol. 20, No. 03, 2050038, (2020).
  • J. Prawin, K. Lakshmi and A. Rama Mohan Rao, “Structural damage diagnosis under varying environmental conditions with very limited measurements”, Intelligent Material Systems and Structures, Volume 31, issue 5, page(s): 665-686, (2020).
  • V. Jayalakshmi, K. Lakshmi and A. Rama Mohan Rao, “Reconstruction of impact load on structures with limited measurements using dynamic hybrid adaptive differential search algorithm”, Inverse Problems in Science and Engineering, 1-34, (2020).
  • K. Lakshmi, “Multi constrained optimization combining ARMAX with differential search for damage assessment”, Structural Engineering and Mechanics, 2 Volume 72, Number 6, December 25 2019, pages 689-712, (2019).
  • K. Lakshmi, A.R.M. Rao “Detection of Subtle Damage in Structures through Smart Signal Reconstruction”, Procedia Structural Integrity 14, 282-289, (2019).
  • K. Lakshmi, A.R.M. Rao, “Baseline-Free Hybrid Diagnostic Technique for Detection of Minor Incipient Damage in the Structure”, ASCE’s Journal of Performance of Constructed Facilities, 33 (2), 04019018, (2019).
  • J. Prawin, K. Lakshmi and A. Rama Mohan Rao, “A novel vibration-based breathing crack localization technique using a single sensor measurement”, Mechanical Systems and Signal Processing, Vol. 122, pp. 117-138, (2019).
  • K. Lakshmi and A.R.M. Rao, “Multi-objective optimal design of composite box beam using hybrid adaptive harmony search with dynamically reconfigurable harmony memory”, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, Volume: 233 issue: 2, page(s): 713-734, 2019
  • V Jayalakshmi, K Lakshmi, A Rama Mohan Rao, “Dynamic force reconstruction techniques from incomplete measurements”, Journal of Vibration and Control, 24(22), 5321-5344. 2018.
  • K. Lakshmi, A. Rama Mohan Rao, “A hybrid structural health monitoring technique for detection of subtle structural damage”, Smart Structures and Systems, 22 (5), 587-609, (2018).
  • K. Lakshmi, A. Rama Mohan Rao and N. Gopalakrishnan, “An improved damage diagnostic technique based on Singular Spectrum Analysis and time series models”, Structure and Infrastructure Engineering, 14(10), 1412-1431, 2018.
  • K. Lakshmi, A. Rama Mohan Rao, “Output-only damage localization technique using time series model”, Sādhanā, 43(9), 147, (2018).
  • J. Prawin, K. Lakshmi and A. Rama Mohan Rao, “A Novel Singular Spectrum Analysis based Baseline Free Approach for Fatigue-Breathing Crack Identification”, Journal of Intelligent Material Systems and Structures, 29 (10), 2249-2266, (2018).
  • K. Lakshmi, A. Rama Mohan Rao and N. Gopalakrishnan, “Singular Spectrum Analysis combined with ARMAX model for structural damage detection”, Structural Control and Health Monitoring, DOI: 10.1002/stc.1960, (online since October 2016), (2017).
  • K. Lakshmi, A. Rama Mohan Rao, “Structural damage detection using ARMAX time series models and cepstral distances”, Sādhanā, 41(9), pp 1081-1097, September (2016).
  • J. Prawin, A. Rama Mohan Rao and K. Lakshmi, “Nonlinear parametric identification strategy combining reverse path and hybrid dynamic quantum particle swarm optimization”, Nonlinear Dynamics, 84(2), 797-815, (2016).
  • K. Lakshmi, A. Rama Mohan Rao, “Damage identification technique based on time series models for LANL and ASCE benchmark structures”, Journal of Nondestructive Testing and Condition Monitoring, Vol 57(10), 580-588, (2015).
  • A. Rama Mohan Rao, K. Lakshmi, S. Krishna Kumar, “Detection of delamination in laminated composites with limited measurements combining PCA and dynamic QPSO”,  Advances in Engineering Software, 86, 85–106, (2015).
  • J. Prawin, A. Rama Mohan Rao, K. Lakshmi, “Nonlinear Identification of Structures using Ambient Vibration Data”, Computers and Structures, 154, 116–134, (2015).
  • A.Rama Mohan Rao, K. Lakshmi, “Damage diagnostic technique combining POD with time-frequency analysis and dynamic quantum PSO”, Meccanica, 50, 1551–1578, DOI 10.1007/s11012-015-0106-3, (2015).
  • Rama Mohan Rao, Varun Kasireddy, N. Gopalakrishnan, K. Lakshmi, “Sensor fault detection in structural health monitoring using null subspace-based approach”, Journal of Intelligent Materials and Structures, 26(2), 172-185 (2015).
  • K. Lakshmi, A. Rama Mohan Rao, “A robust damage-detection technique with environmental variability combining time-series models with principal components”, Nondestructive Testing and Evaluation, Vol. 29, No. 4, 357–376, (2014).
  • K. Lakshmi, A. Rama Mohan Rao, “A Robust SHM Scheme Combining Time Series Models with Dynamic QPSO Algorithm”, Procedia Engineering, 86, 870 – 877, (2014).
  • A. Rama Mohan Rao, K. Lakshmi, “A Generalized Optimal Sensor Placement Technique for Structural Health Monitoring and System Identification”, Procedia Engineering, 86, 529 – 538, (2014).
  • Rama Mohan Rao, S. Krishna Kumar and K. Lakshmi, “A Sensor Fault Detection Algorithm for Structural Health Monitoring Using Adaptive Differential Evolution”, International Journal for Computational Methods in Engineering Science and Mechanics, Vol. 15(3), pp. 282-293, (2014).
  • A. Rama Mohan Rao, K. Lakshmi and Karthik Ganeshan, “Structural System Identification Using Quantum behaved Particle Swarm Optimisation Algorithm”, Structural Durability and Health Monitoring, Vol. 9(2), pp. 99-128, (2013).
  • Rama Mohan Rao, K. Lakshmi and Dhanya Venkatachalam, “Damage diagnostic technique for Structural Health monitoring using POD and self-adaptive Differential Evolution algorithm”, Computers and Structures, Vol. 106–107, pp 228-244, (2012).
  • Rama Mohan Rao, K. Lakshmi and S. Krishna Kumar, “Sensor Fault Detection in Large Sensor Networks using PCA with a Multi-level Search Algorithm”, Structural durability and health monitoring, Vol.8, no.3, pp.271-293, (2012).

Patents / Copyrights