Research Publications
Journal Publications
Conference Publications
S. Sudeesh, MS Shunmugam and S. Sujatha (2024). A compact and cost-effective gait simulator to advance prosthesis development with reduced reliance on human subject testing: Development, validation and application. Medical Engineering and Physics, 134 (2024), 104254. https://doi.org/10.1016/j.medengphy.2024.104254
S. Nagarajan, K. Mohanavelu and S. Sujatha (2024). A Simulation-Based Framework to Determine the Kinematic Compatibility of an Augmentative Exoskeleton during Walking. Robotics, 2024, 13, 79. https://doi.org/10.3390/robotics13050079
Samson Daniel Frederick, Javeed Shaikh-Mohammed, Gayatri Suresh and S. Sujatha (2024). Long-term Community Integration Study of an Affordable Manual Standing Wheelchair. Disability and Rehabilitation: Assistive Technology. DOI:10.1080/17483107.2024.2313083
Nehrujee, Aravind, Prabhakar AT, Sathish Balaraman, Rasika Bombatkar, Henry Prakash, S. Samuelkamaleshkumar, Sanjith Aaron, Suranjan Bhattacharji, S. Sujatha, and Sivakumar Balasubramanian (2024). The Facilitators and Barriers to Home-based Robotic Rehabilitation in India: A Pilot Feasibility Study. Frontiers in Stroke. DOI:10.3389/fstro.2023.1265702
Sachin Kumar, Sujatha Chandramohan, S. Sujatha (2024). Geometric optimization of magnetorheological damper for prosthetic ankles using artificial neural networks. Mechatronics.
DOI:10.1016/j.mechatronics.2023.103108Prem Kumar Mathavan Jeyabalan, Aravind Nehrujee, Samuel Elias, M Magesh Kumar, S Sujatha, Sivakumar Balasubramanian (2023). Design and Characterization of a Self-Aligning End-Effector Robot for Single-Joint Arm Movement Rehabilitation. Robotics 2023, 12(6), 149. DOI:10.3390/robotics12060149
Sachin Kumar, Sujatha Chandramohan, S. Sujatha (2023). Optimal Design of Magnetorheological Valve using the Coupling of FE Magnetic Analysis and MOGA Optimization for Prosthetic Ankle. Journal of Vibration Engineering & Technologies.
DOI:10.1007/s42417-023-00974-w
Access at https://rdcu.be/dad5TS. Sudeesh, MS Shunmugam and S. Sujatha (2023). Equivalent System based Inverse Dynamics Analysis of Transfemoral Prosthetic Legs: Validation and Application. Journal of Engineering in Medicine.
DOI: 10.1177/09544119231157144Padma N. Ganapam, Shanyuanye Guan, Hans A. Gray, S. Sujatha and Marcus G. Pandy (2022). Anterior-cruciate-ligament reconstruction does not alter the knee-extensor moment arm during gait. Gait & Posture, Volume 98, 330-336.
DOI: 10.1016/j.gaitpost.2022.09.074Samson Daniel, Nidhi Rawat, Rajalakshmi Iyer, Javeed Shaikh-Mohammed, Swostik Sourav Dash, Vivek Sarda, and S. Sujatha (2022). User Experience Study of an Affordable Manual Standing Wheelchair. Disability and Rehabilitation: Assistive Technology, published online. DOI:10.1080/17483107.2022.2060350
T. M. Balaramakrishnan, S. Natarajan, S. Sujatha (2022). Energy storage and stress-strain characteristics of a prosthetic foot: a priori design and analysis with experiments. International Journal of Numerical Methods in Biomedical Engineering, 2022;38(4):e3579. DOI:10.1002/cnm.3579
S. Sudeesh, M.S. Shunmugam, Rajdeep Ojha, Soikat Ghosh Moulic, S. Sujatha (2022). Swing Phase Considerations in Prosthetic Knee Design: Case Series to Validate Simulations. Prosthetics and Orthotics International. DOI: 10.1097/PXR.0000000000000121
Catherine Holloway, Dafne Zuleima Morgado Ramirez, Tigmanshu Bhatnagar, Ben Oldfrey, Priya Morjaria, Soikat Ghosh Moulic, Ikenna D. Ebuenyi, Giulia Barbareschi, Fiona Meeks, Jessica Massie, Felipe Ramos-Barajas, Joanne McVeigh, Kyle Keane, George Torrens, P. V.M. Rao, Malcolm MacLachlan, Victoria Austin, Rainer Kattel, Cheryl D Metcalf & Srinivasan Sujatha (2021) A review of innovation strategies and processes to improve access to AT: Looking ahead to open innovation ecosystems, Assistive Technology, 33:sup1, 68-86, DOI: 10.1080/10400435.2021.1970653
G. Patel, R. Mullerpatan, B. Agarwal, T. Shetty, R. Ojha, J.S. Mohammed, S. Sujatha (2021). Validation of wearable inertial sensor-based gait analysis system for measurement of spatiotemporal parameters and lower extremity joint kinematics in sagittal plane. Journal of Engineering in Medicine. DOI: 10.1177/09544119211072971
V. Sarda, S.S. Dash, D.S. Mohan Varma, J.S. Mohammed and S. Sujatha (2021). Design of a low-cost, reconfigurable, standing wheelchair with easy and stable sit-stand-sit transition capability. Disability and Rehabilitation: Assistive Technology, published online DOI:10.1080/17483107.2021.1978564
A. Nehrujee, H. Andrew, Reetajanetsurekha, Ann Patricia, S. Samuelkamaleshkumar, H. Prakash, S. Sujatha, and S. Balasubramanian (2021). Plug-and-Train Robot (PLUTO) for Hand Rehabilitation: Design and Preliminary Evaluation. IEEE Access, vol. 9, pp. 134957-134971. DOI: 10.1109/ACCESS.2021.3115580
T.M. Balaramakrishnan, S. Natarajan, S. Sujatha (2021). Biomechanical design framework for prosthetic feet: Experimentally validated non-linear finite element procedure. Medical Engineering and Physics. Volume 92, 64-70. DOI: 10.1016/j.medengphy.2021.04.006
S. Balasubramanian, S. Guguloth, J. S. Mohammed, S. Sujatha (2021). A self-aligning end-effector robot for individual joint training of the human arm. Journal of Rehabilitation and Assistive Technologies Engineering. DOI: 10.1177/20556683211019866.
J.S. Mohammed, S.S. Dash, V. Sarda, S. Sujatha (2021). Design Journey of an Affordable Standing Wheelchair. Disability and Rehabilitation: Assistive Technology.DOI: 10.1080/17483107.2021.1892839
G. Bapat and S. Sujatha (2021). A two-dimensional mathematical model to simulate the effects of knee center misalignment in lower limb orthoses. JPO: Journal of Prosthetics and Orthotics in Vol. 33, No. 1, January 2021. DOI: 10.1097/JPO.0000000000000331
M. Prajapat, V. Sikchi, J.S. Mohammed, S. Sujatha (2020). Proof-of-concept of a Stair-climbing Add-On Device for Wheelchairs. Medical Engineering and Physics 85, 75-86. DOI: 10.1016/j.medengphy.2020.09.013.
T.M. Balaramakrishnan, S. Natarajan, S. Sujatha (2020). Roll-over shape of a prosthetic foot: a finite element evaluation and experimental validation. Medical and Biological Engineering and Computing. Published online. DOI: 10.1007/s11517-020-02214-9.
R. Saini, S. Chandramohan, S. Sujatha, H. Kumar (2020). Design of Bypass Rotary Vane Magneto Rheological Damper for Prosthetic Knee Application. Journal of Intelligent Material Systems and Structures. Published online. DOI: 10.1177/1045389X20942577.
S.Sudeesh, S. Sujatha and MS Shunmugam (2020). The effects of polycentric knee design and alignment on swing phase gait parameters: A simulation approach. Journal of Prosthetics and Orthotics 33(4), 266-278, DOI: 10.1097/JPO.0000000000000384
T.M. Balaramakrishnan, S. Natarajan, S. Sujatha (2020).Design of a Biomimetic SACH Foot: An Experimentally Verified Finite Element Approach. Journal of Biomimetics, Biomaterials and Biomedical Engineering 45, 22-30. DOI: 10.4028/www.scientific.net/JBBBE.45.22
S. Sudeesh, S. Sujatha and M.S. Shunmugam (2020). On the possibility of achieving near-normal swing phase of walking with passive single-axis and polycentric knees: A simulation approach. Journal of Prosthetics and Orthotics 32(2), 121-133.DOI: 10.1097/JPO.0000000000000251
S. Seid, S. Chandramohan, S. Sujatha (2019). Design and Evaluation of a Magnetorheological Damper Based Prosthetic Knee, International Journal of Engineering (IJE), IJE TRANSACTIONS A: Basics. 32(1), 146-152.
S. Sujatha, G. Bapat and S.S. Dash (2019) GRID: A Model for the Development of Assistive Devices in Developing Countries. Disability and Rehabilitation - Assistive Technology. 14(1), 82-90. DOI: 10.1080/17483107.2019.1673838.
G. Bapat and S. Sujatha (2019). Identification and analysis of Knee-Ankle-Foot orthosis design requirements based on a feedback survey of orthosis users in India. Disability and Rehabilitation - Assistive Technology 14(1), 82-90. DOI: 10.1080/17483107.2017.1416187
Roger O. Smith, Marcia Scherer, Rory Cooper, Diane Bell, David A. Hobbs, Cecilia Pettersson, Nicky Seymour, Johan Borg, Michelle J. Johnson, Joseph P. Lane, S. Sujatha, PVM Rao, Qussai M. Obiedat, Mac MacLachlan & Stephen Bauer (2018). Assistive technology products: a position paper from the first global research, innovation, and education on assistive technology (GREAT) summit, Disability and Rehabilitation: Assistive Technology. DOI: 10.1080/17483107.2018.1473895
S. Seid, S. Chandramohan and S. Sujatha (2018). Optimal design of an MR damper valve for prosthetic knee application. Journal of Mechanical Science and Technology, 2018, 32(6),2959--2965. DOI:
G. Bapat, R. Ojha, P. Chalageri and S. Sujatha (2018). Gait kinematics and energy expenditure of knee-ankle-foot orthosis users walking with stance phase knee flexion: A pilot study. JPO: Journal of Prosthetics and Orthotics 30 (2), 101-107. DOI: 10.1097/JPO.0000000000000177
N. Babu, S. Sujatha, S. Narayanan and V. Balamurugan (2017). New approach for prediction of influence of vehicle dynamics parameters on instability of unmanned track vehicle using robotics approach. Journal of Mechanical Science and Technology, 32 (3), 1357-1365. DOI: 10.1007/s12206-018-0239-0
G. Bapat and S. Sujatha (2017). A method for optimal synthesis of a biomimetic four-bar linkage knee joint for a knee-ankle-foot orthosis. Journal of Biomimetics, Biomaterials and Biomedical Engineering, 32, 20--28. DOI: 10.4028/www.scientific.net/JBBBE.32.20
S. Seid, S. Sujatha and S. Chandramohan (2017). Performance Evaluation of MR Damper Valve Configurations Using Finite Element Method. International Journal of Engineering Transactions B: Applications, 30(2), 303--310.
D. S. Mohan Varma and S. Sujatha (2017). Segmental Contributions to the Center of Mass Movement in Normal Gait. Applied Mathematical Modelling, 46(3), 328--338. DOI: 10.1016/j.apm.2017.01.075
T. S. Anand and S. Sujatha (2017). A Method for Performance Comparison of Polycentric Knees and its Application to the Design of a Knee for Developing Countries. Prosthetics and Orthotics International, 41(4), 402--411. DOI: 10.1177/0309364616652017
S. Seid, S. Sujatha, C. Sujatha. Design and Evaluation of Swing Phase Controllers for Single-Axis Knee (2016). Int. J. Bioautomation, 20(3), 373--388.
P. S. Satyanarayana, B. Loganathan, V. Lakshminarasimhan, A. Ramesh and S. Sujatha (2015). Development of a Cam Phaser System to Improve the Performance of a Small Engine, SAE Int. J. Engines 8(1), 250--257.
S. Veer and S. Sujatha. Approximate Spring Balancing of Linkages to Reduce Actuator Requirements. Mechanism and Machine Theory, 86, 108--124, 2015. DOI: 10.1016/j.mechmachtheory.2014.11.014
D. S. Mohan Varma and S. Sujatha. Segmental Contributions to the Ground Reaction Force in the Single Support Phase of Gait. Mechanical Sciences, 5, 37--52, 2014. DOI: 10.5194/ms-5-37-2014
U. Kumaraswamy, M. S. Shunmugam, and S. Sujatha. A Unified Framework for Tolerance Analysis of Planar and Spatial Mechanisms Using Screw Theory. Mechanism and Machine Theory, 69, 168--184, 2013. DOI: 10.1016/j.mechmachtheory.2013.06.001
S. Srinivasan, E. R. Westervelt, and A. H. Hansen. A Sagittal-Plane Forward Dynamic Model for Asymmetric Gait and its Application to Study Gait of Transtibial Prosthesis Users. ASME Journal of Biomechanical Engineering, 131, 031003 (9 pages), 2009. DOI: 10.1115/1.3002757
S. Srinivasan, I. Raptis, and E. R. Westervelt. A Low-dimensional Sagittal-Plane Model for Normal Human Walking. ASME Journal of Biomechanical Engineering, 130, 051017(11 pages), 2008. DOI: 10.1115/1.2970058
S. Srinivasan and S. Kramer. Design of a knee mechanism for a knee disarticulation prosthesis. American Society of Mechanical Engineers, Design Engineering Division (Publication) DE 71(pt 2), pp. 455-461, 1994. DOI: 10.1115/DETC1994-0288
MS Reddy, S. Sujatha and S. Rakshit. Design Optimization of Series Elastic Actuator for Lower Limb Rehabilitation Exoskeleton. iNaCoMM 2023: The 6th International and 21st National Conference on Machines and Mechanisms, NIT Raipur, Chattisgarh, India (7-9 Dec 2023)
T M Balaramakrishnan, A Joseph, S. Sujatha. Non-Linear Finite Element Approach For A Priori Modal Analysis Of Prosthetic Foot. ISB 2023 XXIX Congress of the International Society of Biomechanics, Fukuoka, Japan (30 Jul - 03 Aug 2023)
S. Kumar, S. Chandramohan and S. Sujatha. A Linkage-based Prosthetic Ankle with MR-Damper. CMBBE 2023: The 18th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering, Paris, France (3-5 May 2023)
A. Nehrujee, H. Andrew, Reetajanetsurekha, Ann Patricia, S. Samuelkamaleshkumar, H. Prakash, S. Sujatha and S. Balasubramanian. A Plug-and-Train Robotic Kit (PLUTO) For Hand Rehabilitation: Pilot Usability Study. Proceedings of the 2020 8th IEEE International Conference on Biomedical Robotics and Biomechatronics (BioRob), New York, USA (Nov 29 - Dec 1, 2020).
S. Das, S. Halder, S.K. Sahu, S. Sujatha and S. Rakshit. Design and Development of a Sit-To-Stand Assistive Device. Proceedings of the 4th International and 19th National Conference on Machines and Mechanisms (iNaCoMM 2019) held at IIT Mandi (5-7 Dec 2019).
S. Pitou, B. Michael, G. Bapat, S. Sujatha and M. Howard. Low-Cost Textile Myoelectric Control of Knee-Ankle-Foot-Orthosis. 2019 IEEE Global Humanitarian Technology Conference (GHTC), Seattle, WA, USA (17-20 Oct 2019).
V. Sarda, S. Dash and S. Sujatha. User Centric Affordable Standing Wheelchair for Developing Countries. Proceedings of the XXVI Congress of the International Society of Biomechanics, Brisbane, Australia (23-27 July 2017).
G. Bapat and S. Sujatha. Four-bar Knee Joint for Knee-Ankle-Foot Orthosis. Proceedings of the XXVI Congress of the International Society of Biomechanics, Brisbane, Australia (23-27 July 2017).
G. Bapat and S. Sujatha. Simulation-based method for quantifying pistoning motion in a lower limb orthosis. XVI International Symposium on Computer Simulation in Biomechanics, Gold Coast, Australia (20-22 July 2017).
S. Seid, S. Sujatha, and C. Sujatha. Design of controller for single-axis knee using hydraulic damper. Proceedings of 2015 12TH IEEE AFRICON International Conference held in Addis Ababa, Ethiopia (Sep 14-17, 2015).
S. Seid, S. Sujatha, and C. Sujatha. Design of controller for single-axis knee using MR damper. Proceedings of ECCOMAS Thematic International Conference on Multibody Dynamics held in Barcelona, Spain (June 2015), pp. 989-998.
Ganesh Bapat and S. Sujatha. Design and Analysis of an Orthotic Semi-Flexion Knee Joint. Proceedings of the Indian National Conference on Applied Mechanics (INCAM-2015) held at IIT Delhi (13-15 July). ISBN 978-81-8487-509-6, pp. 535--540.
Ganesh Bapat and S. Sujatha. An alternative to the locked knee joint for a KAFO. Proceedings of the ISPO World Congress 2015 held at Lyon, France (22-25 June), Volume-39 Issue-June 2015 P&O International Supplementary, pp. 515.
D. S. Mohan Varma and S. Sujatha. Minimal kinematic model for inverse dynamic analysis of gait. Proceedings of the ASME 2014 International Mechanical Engineering Congress and Exposition IMECE2014, November 14-20, 2014, Montreal, Quebec, Canada.
Vivek Sarda, Sujatha Srinivasan and Anil Prabhakar. Training and Mobility Device for Children with Cerebral Palsy. Proceedings of the 3rd International Conference in Biomedical Engineering and Assistive Technologies (BEATS-2014) held at Panjab University, Chandigarh, India in February 2014.
Harshal Chaudhari, Sushant Veer and Sujatha Srinivasan. Design of a Standing Wheelchair, presented at the 14th International Society of Prosthetics and Orthotics World Congress held in Hyderabad, Feb 4-7, 2013. Presentation won the Yeongchi Wu International Education Award.
Kumaraswamy Udugu, Sujatha Srinivasan and M.S. Shunmugam. Analysis of manufacturing tolerances on the performance of planar mechanisms - an approach using screw theory. Proceedings of the 4th International and 25th All India Manufacturing Technology, Design and Research Conference AIMTDR 2012 held in Jadavpur University, Kolkata, Dec 13-16, 2012.
Mohan Damu and Sujatha Srinivasan, A dynamic model of gait using the roll-over shape for the ankle-foot system. Abstract accepted for presentation at the 18th Congress of the European Society of Biomechanics to be held in Lisbon, Portugal from July 1-4, 2012
Pankajalakshmi Amirthakasi, Santi Sagar Jetti and Sujatha Srinivasan. Application of QFD to Mechanize the Manufacturing of the Jaipur Foot, Proceedings of the the 3rd International Conference on Research into Design held at Bangalore, India in January 2011.
Mayank Pareek and Sujatha Srinivasan. Development of an innovative, cost-effective, adjustable Knee Ankle Foot Orthosis, Proceedings of the INAE-ISAAC National Conference on Alternative Communication and Assistive Technologies for Persons with Disabilities held at NITIE, Mumbai in March 2009.
Vishnu Vardhan Reddy and Sujatha Srinivasan. Design and analysis of a knee mechanism for a Knee Ankle Foot Orthosis, Proceedings of the INAE-ISAAC National Conference on Alternative Communication and Assistive Technologies for Persons with Disabilities held at NITIE, Mumbai in March 2009.
S. Srinivasan and E. R. Westervelt. An Analytically Tractable Model for a Complete Gait Cycle. XX Congress of the International Society of Biomechanics, August 2005. Proceedings of the XX Congress of the International Society of Biomechanics held at Cleveland, OH in August 2005.