Education

• 2008 - 2014: Ph. D. in Mechanical Engineering, University of Maryland, College Park, MD, USA
• 2008 - 2013: M. S. in Mechanical Engineering, University of Maryland, College Park, MD, USA
• 2004 - 2008: B. E. in Mechanical Engineering, Jadavpur University, Kolkata, India

Research Interests

• Modeling and control of continuous medical robots in flexible environments
• Tissue Biomechanics
• Atomic Force Microscopy
• Bayesian Regression Analysis

Projects

• Complementary Situational Awareness Using Human-Robot Partnerships

Publications with ARMA

• Roy, R., Wang, L. & Simaan, N (2016). Modeling and Estimation of Friction, Extension and Coupling Effects in Multi-Segment Continuum Robots. IEEE Transactions on Mechatronics. (In press)

• Roy, R., Wang, L. & Simaan, N (2015).Investigation of Effects of Dynamics on Intrinsic Wrench Sensing in Continuum Robots. In Robotics and Automation (ICRA), 2016 IEEE International Conference on (pp. 2052-2059). IEEE. [finalist best medical robotics paper].
• Chalasani, P., Wang, L., Roy, R., Simaan, N. & Taylor, R. H (2016). Concurrent Nonparametric Estimation of Organ Geometry and Tissue Stiffness Using Continuous Adaptive Palpation. In 2016 IEEE International Conference on Robotics and Automation (ICRA) (pp. 4164-4171). IEEE.
• Ayvali, E., Srivatsan, A., Wang, L., Roy, R., Simaan, N. & Choset, H (2016). Using Bayesian Optimization to Guide Probing of a Flexible Environment for Simultaneous Registration and Stiffness Mapping. In 2016 IEEE International Conference on Robotics and Automation (ICRA) (pp. 931-936). IEEE.
• Srinivasan, A., Ayvali, E., Wang, L., Roy, R., Simaan, N. & Choset, H (2016). Complementary model update: A method for simultaneous registration and stiffness mapping in flexible environments. In 2016 IEEE International Conference on Robotics and Automation (ICRA) (pp. 924-930). IEEE.

Publications from previous research group

• Roy, R., Chen, W., Goodell, L.A., Hu, J., Foran, D.J., Desai, J.P.,"Microarray faciilitated mechanical characterization of breast tissue pathology samples using Atomic Force Microscopy (AFM)", 2010 3rd IEEE RAS and EMBS International Conference on Biomedical Robotics and Bioelectronics, pp. 710 - 715. [DOI: 10.1109/BIOROB.2010.5625952]
• Roy, R., Chen, W., Cong L., Goodell, L.A., Foran, D.J., Desai, J.P.,"Towards Automated Mechanical Characterization of Biological Samples Using Atomic Force Microscopy", 2011 ASME Dynamic Systems and Control, pp. 603 - 605 
  
• Roy, R., Li, L., Keefer, C.L., Desai, J.P.,"An Error-In-Variables (EIV) based Bayesian probabilistic approach to estimating cell mechanical properties using Atomic Force Microscopy", 2012 4th IEEE RAS and EMBS International Conference on Biomedical Robotics and Bioelectronics, pp. 710 - 715. [DOI: 10.1109/BioRob.2012.6290888]
  
• Roy, R., Chen, W., Cong L., Goodell, L.A., Foran, D.J., Desai, J.P.,"A Semi-Automated Positioning System for Contact-Mode Atomic Force Microscopy (AFM)", in IEEE Transactions on Automation Science and Engineering, vol. 10, no. 2, pp. 462-465, 2013. [DOI: 10.1109/TASE.2012.2226154]
  
• Roy, R., Chen, W., Cong L., Goodell, L.A., Foran, D.J., Desai, J.P.,"Probabilistic Estimation of Mechanical Properties of Biomaterials Using Atomic Force Microscopy", in IEEE Transactions on Biomedical Engineering, vol. 61, no. 2, pp. 547 - 556, 2014. [DOI: 10.1109/TBME.2013.2283597]
• Pandya, H.J., Kim H.-T., Roy, R., Desai, J.P.,"MEMS based low cost piezoresistive microcantilever force sensor and sensor module", in Material Science in Semiconductor Processing, vol. 19, no. 3, pp. 163-173, 2014. [DOI: 10.1016/j.mssp.2013.12.016]
• H. Pandya, H.T. Kim, R. Roy, W. Chen, L. Cong, H. Zhong, D.J. Foran and J.P. Desai, “Towards An Automated MEMS-based Characterization of Benign and Cancerous Breast Tissue Using Bioimpedance Measurements”, Sensors and Actuators B, vol. 199, pp. 259-268, 2014.
• R. Roy and J.P. Desai, “Determination of mechanical properties of spatially heterogeneous breast tissue specimens using contact mode Atomic Force Microscopy”, Annals of Biomedical Engineering, vol. 42, no. 9, pp. 1806-1822, 2014.
• H. Pandya, R. Roy, W. Chen, M. Chekmareva, David J. Foran and J. P. Desai, “Accurate Characterization of benign and cancerous breast tissues: Aspecific patient studies using piezoresistive cantilevers”, Biosensors and Bioelectronics, vol. 63, pp. 414 - 424, 2015
• W. Chen, Z. Brandes, R. Roy, M. Chekmareva, H. J. Pandya, J. P. Desai and D. J. Foran, “Robot-Guided Atomic Force Microscopy for Mechano-Visual Phenotyping of Cancer Specimens”, Microscopy and Microanalysis, vol. 21, no. 5, pp. 1224-1235, 2015.

Professional Memberships

• Student Member: ASME, IEEE.