Publications
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Refereed Journal Papers
 Thole, S.P., Ramu‡ , P.(2020). Design space exploration and optimization using selforganizing maps. Struct Multidisc Optim 62, 10711088 .[IF:3.37]
 Ramu‡ , P and Kaushik, H. (2020). A logthird order polynomial normal transformation approach for highreliability estimation with scarce samples. Journal of Reliability and Safety, 14, no. 1: 1428[SJR:0.2]
 Chatterjee‡ , T., Chowdhury, R., & Ramu, P. (2019). Decoupling uncertainty quantification from robust design optimization. Structural and Multidisciplinary Optimization, 122.[IF: 2.876,
5Yr IF: 3.269]
 Mathivanan, P., Jero, S. E., Ramu, P., & Ganesh‡ , A. B. (2018). QR code based patient data protection in ECG steganography. Australasian physical & engineering sciences in medicine, 41(4), 10571068.[IF: 1.032]
 Dhamotharan, V., Jadhav, P. D., Ramu‡ , P., & Prakash, A. K. (2018). Optimal design of savonius wind turbines using ensemble of surrogates and CFD analysis. Structural and Multidisciplinary Optimization, 58(6), 27112726.[IF: 2.876,
5Yr IF: 3.269]
 Ramu‡ , P., Kumar, G. S., Neelakantan, P., & Bathula, K. K. (2017). Costreliability tradeoff of path generating linkages using multiobjective genetic algorithm, International Journal of Reliability and Safety, 11 (34) (2017): 200219. [SJR:0.201]
 Kolagani‡ N and Ramu, P (2017). A participatory framework for developing public
participation GIS solutions to improve resource management systems, International
Journal of Geographical Informational Science, 31 (3) (2017): 463480. [IF: 2.065,
5Yr IF: 2.319]
 Varghese V, Ramu P, Krishnan V, Kumar‡ G. S. (2016). Pull out strength calculator
for pedicle screws using a surrogate ensemble approach. Computer Methods and
Programs in Biomedicine, 137, 1122. [IF: 1.862, 5Yr IF: 2.051]
 Mohan, K., Suresh, J.A., Ramu‡ P. and Jayaganthan, R., 2016. Microstructure and Mechanical Behavior of Al 7075T6 Subjected to Shallow Cryogenic Treatment. Journal of Materials Engineering and Performance, 25(6), pp.21852194. [IF: 0.998, 5Yr IF: 1.08]
 Jero‡ S.E., Ramu, P. and Swaminathan, R., 2016. ImperceptibilityÃÂÃÂÃÂÃÂRobustness tradeoff studies for ECG steganography using Continuous Ant Colony Optimization. Expert Systems with Applications, 49, pp.123135.[IF: 2.240, 5Yr IF: 2.571]

Voinov, A., Kolagani‡ N., McCall, M.K., Glynn, P.D., Kragt, M.E., Ostermann, F.O., Pierce, S.A. and Ramu, P., 2016. Modelling with stakeholdersÃÂÃÂÃÂÃÂNext generation. Environmental Modelling & Software, 77, pp.196220.[IF: 4.420, 5Yr IF: 4.359]

Ramu‡ P. and Arul, S., 2016. Estimating probabilistic fatigue of Nitinol with scarce samples. International Journal of Fatigue, 85, pp.3139. [IF: 2.275, 5Yr IF: 2.583]

Jero‡ S.E. and Ramu, P., 2016. Curveletsbased ECG steganography for data security. Electronics Letters.[IF: 0.93, 5Yr IF: 0.934]

Kolagani‡ N., Ramu, P. and Varghese, K., 2015. Participatory Model Calibration for Improving Resource Management Systems: Case Study of Rainwater Harvesting in an Indian Village. JAWRA Journal of the American Water Resources Association, 51(6), pp.17081721.[IF: 1.348, 5Yr IF: 1.212]

Jero‡ S.E., Ramu, P. and Ramakrishnan, S., 2015. ECG steganography using curvelet transform. Biomedical Signal Processing and Control, 22, pp.161169.[IF: 1.419, 5Yr IF: 1.376]

Ganapathy, H., Ramu‡ P. and Muthuganapathy, R., 2015. Alpha shape based design space decomposition for island failure regions in reliability based design. Structural and Multidisciplinary Optimization, 52(1), pp.121136. [IF: 1.974, 5Yr IF: 2.321]
 Jero‡ S.E., Ramu, P. and Ramakrishnan, S., 2014. Discrete wavelet transform and singular value decomposition based ECG steganography for secured patient information transmission. Journal of medical systems, 38(10), pp.111. [IF: 2.213, 5Yr IF: 1.955]
 Ramu‡ P., Kim, N.H. and Haftka, R.T., 2010. Multiple tail median approach for high reliability estimation. Structural Safety, 32(2), pp.124137.[IF: 1.675, 5Yr IF: 2.784]
 Ramu‡ P., Kim, N. and Haftka, R., 2007. Error amplification in failure probability estimates of small errors in response surface approximations. SAE SP, 2119, p.37.
 Missoum‡ S., Ramu, P. and Haftka, R.T., 2007. A convex hull approach for the reliabilitybased design optimization of nonlinear transient dynamic problems. Computer methods in applied mechanics and engineering, 196(29), pp.28952906.[IF: 2.959, 5Yr IF: 3.395]
 Ramu‡ P., Qu, X., Youn, B.D., Haftka, R.T. and Choi, K.K., 2006. Inverse reliability measures and reliabilitybased design optimisation. International Journal of Reliability and Safety, 1(12), pp.187205.[SJR: 0.148]
Books:

Salagame, R. R., Ramu, P., Narayanaswamy, I., & Saxena, D. K.(Eds) Advances in Multidisciplinary Analysis and Optimization, Springer, 2020, Proceedings of the 2nd National Conference on Multidisciplinary Analysis and Optimization (9789811554322)
 S. Bandyopadhyay, G. Saravana Kumar and Palaniappan Ramu (Eds.), Machines and Mechanisms, Narosa Publishing House, New Delhi, 2012. (ISBN : 9788184871920)
Book Chapter:

D, Vishaal., Meena. R., Jadhav, P., Ramu, P., & Prakash A. (2015) Robust design of savonius wind turbine , Renewable Energy in the Service of Mankind Vol I, Editor: Sayigh A, Springer International Publishing, DoI: 10.1007/9783319177779
Patents filed:
 Nandan N Pitre, Pranav Muppirishetty, Rishii Nandhan K N, Shrey S V, Tejasvin Srinivasan, G. Saravana Kumar, Palaniappan Ramu, Automatic gear transmission mechanism for bicycles using continuous variable transmission gears,"1369/CHE/2015,March 19, 2015.
 Matha Sai Akhil, Sandeep Rajkumar, Sai Sri Harsha Gangasani, Vamshi Pavan, Saketh Chennamasetty,Palaniappan Ramu, G. Saravana Kumar, "A push button mechanism for time change in analog wrist watch," 5861/CHE/2014, Nov 24, 2014.
 M.Prathyusha, V.Naga Sowjanya, Rajeevi Rathod, Nivea Valsaraj, Aditi Malpani, Palaniappan Ramu, G. Saravana Kumar, "Joint Mechanism for Modular Jewellery," 5601/CHE/2014, Nov 07,2014.
 Derek D Kuttikkat, Aswin R, Muhammed Shahidh, Mohammed Safwan KP, P.Bharath Kumar, Palaniappan Ramu, G. Saravana Kumar, "Integrated Watch Crown BatteryBattery placed inside crown of the watch," 6341/CHE/2014
 Aayush Maloo, Anant Gupta, Anupam Chandra, Sujata, Dheepika, Palaniappan Ramu, G. Saravana Kumar, "Loop based adjustable metal strap using keypresser," 4296/CHE/2014, Sep 03, 2014.
 Sagar Sathrasala, Vamsi Krishna Gujjala, Ningthoujam Nelson Singh, Mohit Kumar Meena, Palaniappan Ramu, G. Saravana Kumar, "A screw type adjustable linkage interface for strap assembly," 4295/CHE/2014, Sep 03, 2015.
 Sagar Joshi, Neeraj Gadkari, Rakesh N Rao, Piyush Kumar Maske, Sai Teja Dommeti, Palaniappan Ramu, G. Saravana Kumar, "Variable speed mechanism to eliminate chain shifting in bicycles," 5862/CHE/2014, Nov 24, 2014.
 Abishek Karunagaran, Arun Raghupathy, Athul Vijayan, Maharishi RB, Palaniappan Ramu, G. Saravana Kumar, "Use of SuperAbsorbent polymers for drying in washing machines," 146/CHE/2015
 Siddharth Dash, Sachin K Sunny, Ghanshyam Karol, Rohit Janagal, Palaniappan Ramu, G. Saravana Kumar, "Piston mechanism in vacuum drying washing machine," 5973/CHE/2014, Nov 28, 2014
 Saurav Agarwal, Sivasankar Arul, Edward Jero, Murali K Karnam, Sandipan Bandyopadhyay, G Saravana Kumar, Palaniappan Ramu "Measurement of pressure on the wall of a rotating drum," 5972/CHE/2014, Nov 28, 2014
 Rohan Chavan, Aneesh Bhir, Dhruvesh Patel, Ruturaj Bargal, Harshad Dahake, Palaniappan Ramu, G. Saravana Kumar, "An inflated hot air bag design for washing machine and uses thereof," 6045/CHE/2014, Dec 02,2014
 Kiran Vaidhya, Rakesh K S, Kotha Bharath Kumar Reddy, G Balaji Krishna Prasad,Palaniappan Ramu, G. Saravana Kumar, "Method for increasing RPM and drying rates in a washing machine with an epicyclic gear assembly," 6046/CHE/2014, Dec 02,2014
Ph.D. Dissertation
Ramu, P.,
Multiple Tail Medians Including Inverse Measures for Structural Design Under Uncertainties, University of Florida, 2007
Peer Reviewed Conference Papers
 Pannerselvam K, Ramu P, Acar E, Ravishankar A, Sangli M (2019) Revisiting ensemble of surrogates using machine learning algorithms, 13th World Congress of Structural and Multidisciplinary Optimisation, 20  24 May 2019, Beijing, China
 Jayaraman D and Ramu P,(2019) Uncertainty propagation using Lmoments with scarce samples including extremes,13th World Congress of Structural and Multidisciplinary Optimization 20  24 May 2019, Beijing, China
 Ayyasamy S, Ramu P, Ellishakoff.I (2019) Quantifying Uncertainties with limited and bounded data using Convex hull , 13th World Congress of Structural and Multidisciplinary Optimization 20  24 May 2019, Beijing, China
 Thole S and Ramu P (2019), Identifying robust design spaces using Self Organizing Map, 13th World Congress of Structural and Multidisciplinary Optimization 20  24 May 2019, Beijing, China
 Ayyasamy S and Ramu P (2019) Non probabilistic convex hull model for quantifying uncertainties, National Conference on Multidisciplinary Design, Analysis, and Optimization 22  23 March 2019, RUAS Pennya, Bengaluru, India
 Thole S, Ramu P (2019), Design Space Exploration using Self Organizing Map, National Conference on Multidisciplinary Design, Analysis, and Optimization 22  23 March 2019, RUAS Peenya, Bengaluru, India
 Ramu P., Saravana Kumar G. (2019) Bringing Industry to Classrooms: Experiences in Conducting a Product Design Laboratory. In: Chakrabarti A. (eds) Research into Design for a Connected World. Smart Innovation, Systems and Technologies, vol 135. Springer, Singapore

D. Jayaraman, P. Ramu, S. K. Suresh, V. Ramanath (2018), Treating uncertainties to generate a robust design of gas turbine disk using L moments and scarce samples including outliers, ASME 2018 turbo expo, June 1115, 2018, Oslo, Norway
 Pannerselvam K, Ramu P (2018) Scarce sample based reliability estimation using importance sampling, National Conference on Multidisciplinary Design, Analysis, and Optimization
23  24 March 2018, IISc, Bengaluru, India

Ramu P, Muhammed T, Shah M (2018) Automatically clustered design space decomposition for tail predictions in reliability assessment, The Asian Congress of Structural and Multidisciplinary Optimization, May 2124, 2018, Dalian, China

Suresh J.A., Saravana Kumar G., Ramu P., Rengaswamy J. (2018) Fatigue Life Characterization of Additively Manufactured Acrylic like PolyJet Printed Parts. In: Prakash R., Jayaram V., Saxena A. (eds) Advances in Structural Integrity. Springer, Singapore

Pannerselvam K, Ramu P. (2017) Bounded low failure probability estimates with scarce samples using importance sampling, 12th World Congress on Structural and Multidisciplinary Optimization, June 59, Braunschweig, Germany

Sivakumar A, Ramu P, Kumar G S, Bandyopadhyay S (2016) Design of a Fourbar mechanism to guide the motion of a falling tube, Industrial Problems on Machines & Mechanism: "Challenges in Manufacturing", December 2223, 2016, VNIT Nagpur, India.

Sivakumar A, Kumar G S, Bandyopadhyay S, Ramu P (2016) HuMotor: A humane way to utilize human efforts at a workplace, Industrial Problems on Machines & Mechanism: "Challenges in Manufacturing", December 2223, 2016, VNIT Nagpur, India.

Kolagani, N., Ramu, P. and Voinov, A., 2016. A Comparative Study of Probabilistic Approaches to Participatory Evaluation of Resource Management Systems. 8th International Congress on Environmental Modelling and Software, July 1014, Toulouse, France.

Jero, S.E., Ramu, P., ECG Steganography Using Contourlet Transform For Transmission of Secured Patient Identity. Proceedings of the Singapore CyberSecurity Conference (SGCRC), January 1415, 2016

Jero, S.E., Ramu, P., A robust ECG steganography method. 10th International Symposium on Medical Information and Communication Technology (ISMICT'16), Worcester, MA, USA, March 2023, 2016

Jero, S.E., Ramu, P., Ramakrishnan, S., Steganography in Arrhythmic Electrocardiogram Signal ,37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Aug 2529, 2015, Milan, Italy

Ramu, P., High reliability estimation using CVaR+ ,11th World Congress on Structural and Multidisciplinary Optimization, June 712, 2015, Sydney, Australia

Jero, S.E., Ramu, P., and Ramakrishnan, S., Contourlet Transform Based ECG Steganography Using Quantization Approach, International MultiConference on Engineering and Technology Innovation 2015,Kaohsiung, Taiwan (Abstract accepted)

Jero, S.E., Ramu, P., and Ramakrishnan, S., Performance evaluation of ECG steganography using discrete curvelet transform,XXIV Brazilian Conference on Biomedical Engineering (CBEB 2014) , Uberlandia, MG, Brazil (Accepted for presentation)

Jero, S.E., Ramu, P., and Ramakrishnan, S., Performance Validation of Different Watermarking Algorithms for ECG signal Steganography,Verification and Validation Symposium, ASME, May (2014) Las Vegas, Nevada (Abstract accepted)

Jero, S.E., Ramu, P., Ramakrishnan, S., Slantlet Transform based Steganography in ECG signal using Lease Significant Bit Watermarking Algorithm , International conference in mechanics in medicine and biology, University of Bologna (Italy), 2014
 Kolagani, N., Ramu, P., Voinov, A., Gali, R., Rao, C., 2014. Educating Stakeholders about the Need for Water Balance Using a Participatory Modeling Framework. In: Ames, D.P., Quinn, N.W.T., Rizzoli, A.E. (Eds.), Proceedings of the 7th International Congress on Environmental Modelling and Software, June 1519, San Diego, California, USA.
 Kolagani, N., Ramu, P., Elzakker, C., Naniwadekar, V., Varghese, K., 2014. Requirement Analysis and Metric Development for Public Participatory GIS. In: Ames, D.P., Quinn, N.W.T., Rizzoli, A.E. (Eds.), Proceedings of the 7th International Congress on Environmental Modelling and Software, June 1519, San Diego, California, USA.
 Bathula, K.K., Ramu, P., Kumar, G.S., Reliability Synthesis of Path Generating Linkages and Cost Optimization Using MultiObjective Genetic Algorithm, CAE 2013, 1921st December 2013

Jadhav, P., Meena, R., Gole, S., Damotharan, V., Prakash, A., Ramu, P., Numerical Simulations towards Optimal Design of a Savonius Wind Turbine, CAE 2013, 1921st December 2013

Gole, S., Damotharan, V., Jadhav, P., Meena, R., Ramu, P., Prakash, A., Optimal Design of a Savonius Wind Turbine, ASME Mechanical Engineering Congress and Design Exposition, November 17, 2013

Ganapathy, H, and Ramu, P., A low discrepancy sampling strategy and alpha shapes for design space decomposition in reliability studies, First Indian Conference in Applied Mechanics 0406th July 2013, Chennai, India

Ramu, P., A Modified Third Order Polynomial Approach for Reliability Analysis with Scarce Samples, 10th World Congress on Structural and Multidisciplinary Optimization, May 1923, 2013, Orlando, USA

Ali, S.A., Kumar, K., Ramu, P., Kannan, K., A mutiscale framework for uncertainty quantification in reliability based design optimization of unidirectional composites, 10th World Congress on Structural and Multidisciplinary Optimization, May 1923, 2013, Orlando, USA

Park, C.Y., Ramu, P., Kim., N.H., Constructing Probabilistic Safety Envelope for Load Tolerance, 10th World Congress on Structural and Multidisciplinary Optimization, May 1923, 2013, Orlando, USA

Sangeetha, A.L., Jero, S.E., Ramu, P., Ganesh,A.B., Bharathi, N., Integration of Customizable Wireless Sensor Node with Cascade Control System, FourthÃÂÃÂÃÂÃÂ International Conference on Advances in Communication, Network, and Computing ÃÂÃÂÃÂÃÂ CNC 2013, Feb 2223, Chennai, India

Ramu, P., and Krishna, M., A Variablefidelity and Convex Hull Approach for Limit State Identification and Reliability Estimates, 12th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference and 14th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 17  19 September 2012, Indianapolis, Indiana
 Ganapathy, H., Ramu, P., and Ramanathan, M., Alpha Shape Based Design Space Decomposition for Island Failure Regions in Reliability Based Design, 12th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference and 14th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 17  19 September 2012, Indianapolis, Indiana
 Kolagani, N., Ramu, P., and Varghese, K.,
Participatory GIS in Empowering Rural Communities: A Framework for
Iterative Development and Evaluation, 6th International Congress on
Environmental Modelling and Software, Leipzig, Germany, July 15,2012
 Kolagani, N., Ramu, P., and Varghese, K.,
Participatory GIS in Empowering Rural Communities: Development and
Field Trials. 3rd International Open Source GIS Conference, Velp, The
Netherlands, June 2528, 2012.
 Kolagani, N., Ramu, P., and Varghese, K., Community
Mapping and Empowerment: Case Study of Water Management in a South
Indian Village. 3rd International Open Source GIS Conference, Velp,
The Netherlands, June 2528 2012.
 Chaudary, P.V., Kumar, G.S., Ramu, P., A Reliability Based Robust Multiobjective Optimal Synthesis of Linkage Mechanisms Considering Tolerances, 15th National Conference on Machines and Mechanism, Nov 30Dec2, 2011, Chennai, India
 Ramu, P., and Anand, T.R., An Investigation of Lmoments and Tail Models for Reliability Based Robust Design with Scarce Samples. 9th World Congress on Structural and Multidisciplinary Optimization, June 13  17, 2011, Shizuoka, Japan

Ramu, P., Kim, N.H., Haftka, R.T., AIAA20092256,Conservative Reliability Estimates in Design Optimization Using Multiple Tail Median.50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, California, May 47, 2009.
 Coppe, A., Haftka, R.T., Kim, N.H. and Ramu, P., Optimization of Distribution Parameters for Estimating Probability of Crack Detection, 12th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Victoria, British Columbia, Canada, 1012 September, 2008
 Ramu, P., Kim, N.H., Haftka, R.T., Inverse Measurebased Tail Modeling Approaches for Structural Reliability Estimation, AIAA20071947. 48th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Honolulu, Hawaii, Apr. 2326, 2007
 Ramu, P., Kim, N.H., Haftka, R.T., Error Amplification in Failure Probability Estimates of Small Errors in Surrogates , SAE 2007 world congress, Detroit, Michigan, April 1619, 2007
 Ramu, P., Kim, N.H., Queipo, N.V., AIAA20067012, System Reliability Analysis and Optimization Using Tail Modeling, 11th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Portsmouth, Virginia, 68 September 2006
 Ramu, P., Kim, N.H., Haftka, R.T., AIAA20067011, Inverse Measure Estimation for High Reliability Using LowNumber Monte Carlo Simulations, 11th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Portsmouth, Virginia, 68 September, 2006
 Kim, N.H., Ramu, P., and Queipo N.V., AIAA20061825, Tail Modeling in Reliability Based Design Optimization for Highly Safe Structural Systems,47th AIAA/ASME/ASCE/ AHS/ASC Structures, Structural Dynamics & Materials Conference, Newport, RI, 14 May, 2006
 Ramu, P., Missoum, S., Haftka, R.T., AIAA20044618 A Convex Hull Approach for the ReliabilityBased Optimization of Transient Dynamic Problems, 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Albany, New York, Aug. 301, 2004
 Ramu, P., Qu, X., Youn, B., Haftka, R.T., Choi, K.K., Safety Factors and Inverse Reliability Measures, AIAA20041670 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Palm Springs, California, Apr. 1922, 2004