Subramanian Ramakrishnan

20102019
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Research Output 2010 2019

  • 22 Conference contribution
  • 9 Article
Article
Stairs
Energy Harvesting
Energy harvesting
Tile
Traffic
11 Citations (Scopus)

A phenomenological model of EEG based on the dynamics of a stochastic Duffing-van der Pol oscillator network

Ghorbanian, P., Ramakrishnan, S., Whitman, A. & Ashrafiuon, H., Jan 1 2014, In : Biomedical Signal Processing and Control. 15, p. 1-10 10 p.

Research output: Contribution to journalArticle

Electroencephalography
Noise
Nonlinear Dynamics
Brain Diseases
Entropy
7 Citations (Scopus)

Cyclic pursuit in a multi-agent robotic system with double-integrator dynamics under linear interactions

Sharma, B. R., Ramakrishnan, S. & Kumar, M., Oct 1 2013, In : Robotica. 31, 7, p. 1037-1050 14 p.

Research output: Contribution to journalArticle

Pursuit
Robotics
Interaction
Configuration
Stochastic Perturbation
9 Citations (Scopus)

Efficient spatial coverage by a robot swarm based on an ant foraging model and the Lévy distribution

Schroeder, A., Ramakrishnan, S., Kumar, M. & Trease, B., Mar 1 2017, In : Swarm Intelligence. 11, 1, p. 39-69 31 p.

Research output: Contribution to journalArticle

Robots
White noise
Random processes
Evaporation
24 Citations (Scopus)

Energy localization and white noise-induced enhancement of response in a micro-scale oscillator array

Ramakrishnan, S. & Balachandran, B., Jan 1 2010, In : Nonlinear Dynamics. 62, 1-2, p. 1-16 16 p.

Research output: Contribution to journalArticle

White noise
Fokker Planck equation
Enhancement
Intrinsic Localized Modes
Energy

On the nonlinear on-off dynamics of a butterfly valve actuated by an induced electromotive force

Kwuimy, C. A. K., Ramakrishnan, S. & Nataraj, C., Aug 14 2013, In : Journal of Sound and Vibration. 332, 24, p. 6488-6504 17 p.

Research output: Contribution to journalArticle

butterfly valves
Electromotive force
electromotive forces
perturbation
permanent magnets

On the stochastic dynamics of a nonlinear vibration energy harvester driven by Lévy flight excitations

Ramakrishnan, S., Edlund, C. & Lambrecht, C., Jan 1 2018, (Accepted/In press) In : European Journal of Applied Mathematics.

Research output: Contribution to journalArticle

Harvesters
Nonlinear Vibration
Stochastic Dynamics
Vibrations (mechanical)
Excitation
4 Citations (Scopus)

Spatiotemporal chemotactic model for ant foraging

Ramakrishnan, S., Laurent, T., Kumar, M. & Bertozzi, A. L., Dec 10 2014, In : Modern Physics Letters B. 28, 30, 1450238.

Research output: Contribution to journalArticle

food
robotics
complex systems
simulation
5 Citations (Scopus)

Stochastic non-linear oscillator models of EEG: The alzheimer’s disease case

Ghorbanian, P., Ramakrishnan, S. & Ashrafiuon, H., Apr 24 2015, In : Frontiers in Computational Neuroscience. 9, APR

Research output: Contribution to journalArticle

Nonlinear Dynamics
Electroencephalography
Alzheimer Disease
Entropy
Brain
Conference contribution

A numerical study of the stochastic cucker-smale flocking model

Ramakrishnan, S., Sharma, B. R. & Kumar, M., Dec 1 2012, ASME 2012 5th Annual Dynamic Systems and Control Conference Joint with the JSME 2012 11th Motion and Vibration Conference, DSCC 2012-MOVIC 2012. Vol. 3. p. 333-338 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

White noise
Computer simulation
1 Citation (Scopus)

Cyclic pursuit in a multi-agent system with double-integrator dynamics under non-linear interactions

Sharma, B. R., Ramakrishnan, S. & Kumar, M., Dec 1 2012, ASME 2012 5th Annual Dynamic Systems and Control Conference Joint with the JSME 2012 11th Motion and Vibration Conference, DSCC 2012-MOVIC 2012. Vol. 2. p. 431-438 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Multi agent systems
Collision avoidance
System stability
Spatial distribution
Kinematics
14 Citations (Scopus)

Density-based control of multiple robots

Zhao, S., Ramakrishnan, S. & Kumar, M., Sep 29 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 481-486 6 p. 5990615

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Robots
Hydrodynamics
Collision avoidance
Robotics
Controllers
1 Citation (Scopus)

Distributed cyclic motion control of multiple UAVs for wildfire monitoring

Sharma, B. R., Narasimha, K. S. V., Ramakrishnan, S. & Kumar, M., Dec 1 2010, ASME 2010 Dynamic Systems and Control Conference, DSCC2010. Vol. 2. p. 401-407 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Motion control
Unmanned aerial vehicles (UAV)
Fires
Monitoring
Satellite imagery

EEG stochastic nonlinear oscillator models for Alzheimer's disease

Ghorbanian, P., Ramakrishnan, S. & Ashrafiuon, H., Jan 1 2015, Adaptive and Intelligent Systems Control; Advances in Control Design Methods; Advances in Non-Linear and Optimal Control; Advances in Robotics; Advances in Wind Energy Systems; Aerospace Applications; Aerospace Power Optimization; Assistive Robotics; Automotive 2: Hybrid Electric Vehicles; Automotive 3: Internal Combustion Engines; Automotive Engine Control; Battery Management; Bio Engineering Applications; Biomed and Neural Systems; Connected Vehicles; Control of Robotic Systems. American Society of Mechanical Engineers, (ASME 2015 Dynamic Systems and Control Conference, DSCC 2015; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electroencephalography
Brain
Entropy
Power spectral density
Frequency bands

Effects of white noise excitation on tristable piezoelectric energy harvesters with asymmetric potential wells

Ramakrishnan, S., Ul Shougat, M. R. E. & Sukumar, P., Jan 8 2019, 2018 IEEE 13th Nanotechnology Materials and Devices Conference, NMDC 2018. Institute of Electrical and Electronics Engineers Inc., 8605874. (2018 IEEE 13th Nanotechnology Materials and Devices Conference, NMDC 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Harvesters
White noise
white noise
vibration
excitation
2 Citations (Scopus)

Influence of noise on discrete breathers in nonlinearly coupled micro-oscillator arrays

Ramakrishnan, S. & Balachandran, B., 2011, IUTAM Symposium on Dynamics Modeling and Interaction Control in Virtual and Real Environments - Proceedings of the IUTAM Symposium on Dynamics Modeling and Interaction Control in Virtual and Real Environments. Springer Verlag, Vol. 30. p. 247-254 8 p. (Solid Mechanics and its Applications; vol. 30).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fokker Planck equation
Hamiltonians
White noise
MEMS
5 Citations (Scopus)

Intrinsic localized modes in micro-scale oscillator arrays subjected to deterministic excitation and white noise

Ramakrishnan, S. & Balachandran, B., Dec 1 2010, IUTAM Symposium on Multi-Functional Material Structures and Systems - Proceedings of the IUTAM Symposium on Multi-Functional Material Structures and Systems. Vol. 19. p. 325-334 10 p. (IUTAM Bookseries; vol. 19).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

White noise
white noise
oscillators
Fokker Planck equation
excitation

Nonlinear damping in piezoelectric vibrational energy harvesters excited by Brownian and Lévy stable stochastic processes

Ramakrishnan, S., Jan 1 2017, 13th International Conference on Theoretical and Computational Acoustics, ICTCA 2017. Kaltenbacher, M., Borejko, P. & Toth, F. (eds.). Institute of Mechanics and Mechatronics, Faculty of Mechanical, TU Wien, Vol. 2017-July. 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Harvesters
stochastic processes
Random processes
Damping
damping

Nonlinear dissipation in the classical dynamics of a nanomechanical resonator coupled to a single electron transistor

Ramakrishnan, S., Jan 1 2017, 13th International Conference on Theoretical and Computational Acoustics, ICTCA 2017. Kaltenbacher, M., Borejko, P. & Toth, F. (eds.). Institute of Mechanics and Mechatronics, Faculty of Mechanical, TU Wien, Vol. 2017-July. 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Single electron transistors
single electron transistors
Resonators
dissipation
resonators

Nonlinear dynamic analysis of EEG using a stochastic duffing-van der Pol oscillator model

Ghorbanian, P., Ramakrishnan, S., Whitman, A. & Ashrafiuon, H., Jan 1 2014, Dynamic Modeling and Diagnostics in Biomedical Systems; Dynamics and Control of Wind Energy Systems; Vehicle Energy Management Optimization; Energy Storage, Optimization; Transportation and Grid Applications; Estimation and Identification Methods, Tracking, Detection, Alternative Propulsion Systems; Ground and Space Vehicle Dynamics; Intelligent Transportation Systems and Control; Energy Harvesting; Modeling and Control for Thermo-Fluid Applications, IC Engines, Manufacturing. American Society of Mechanical Engineers, 5854. (ASME 2014 Dynamic Systems and Control Conference, DSCC 2014; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electroencephalography
Dynamic analysis
Statistical methods

Nonlinear energy harvesting using coupled micro-scale oscillator arrays

Ramakrishnan, S. & Kumar, M., Dec 1 2011, ASME 2011 5th International Conference on Energy Sustainability, ES 2011. PARTS A, B, AND C ed. p. 1327-1331 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Energy harvesting
Vibrations (mechanical)
Nonlinear systems
Electronic scales
Stochastic systems
1 Citation (Scopus)

Perimeter tracking by multiple UAVs based on a cyclic-pursuit algorithm

Sharma, B. R., Ramakrishnan, S. & Kumar, M., Sep 16 2013, AIAA Infotech at Aerospace (I at A) Conference.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Unmanned aerial vehicles (UAV)
Controllers
Oil spills
Fires
Computer simulation
3 Citations (Scopus)

Robot swarm for efficient area coverage inspired by ant foraging - The case of adaptive switching between brownian motion and levy flight

Deshpande, A., Kumar, M. & Ramakrishnan, S., Jan 1 2017, Mechatronics; Estimation and Identification; Uncertain Systems and Robustness; Path Planning and Motion Control; Tracking Control Systems; Multi-Agent and Networked Systems; Manufacturing; Intelligent Transportation and Vehicles; Sensors and Actuators; Diagnostics and Detection; Unmanned, Ground and Surface Robotics; Motion and Vibration Control Applications. American Society of Mechanical Engineers, Vol. 2.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Brownian movement
Robots
Entropy
3 Citations (Scopus)

Robot swarming over the Internet

Gilles, J., Sharma, B. R., Ferenc, W., Kastein, H., Lieu, L., Wilson, R., Huang, Y. R., Bertozzi, A. L., Homchaudhuri, B., Ramakrishnan, S. & Kumar, M., Nov 26 2012, 2012 American Control Conference, ACC 2012. p. 6065-6070 6 p. 6315420

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Testbeds
Internet
Robots
Packet loss
Telecommunication networks
1 Citation (Scopus)

Stochastic coupled oscillator model of EEG for Alzheimer's disease

Ghorbanian, P., Ramakrishnan, S. & Ashrafiuon, H., Jan 1 2014, 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014. Institute of Electrical and Electronics Engineers Inc., p. 706-709 4 p. 6943688

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electroencephalography
Alzheimer Disease
Nonlinear Dynamics
Entropy
Healthy Volunteers
5 Citations (Scopus)

Stochastic dynamic modeling of the human brain EEG signal

Ghorbanian, P., Ramakrishnan, S., Simon, A. J. & Ashrafiuon, H., Jan 1 2013, Control, Monitoring, and Energy Harvesting of Vibratory Systems; Cooperative and Networked Control; Delay Systems; Dynamical Modeling and Diagnostics in Biomedical Systems;. American Society of Mechanical Engineers (ASME), Vol. 2. DSCC2013-3881

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electroencephalography
Brain
Frequency bands
Time series analysis
Signal analysis

Stochastic dynamics of a piezoelectric energy harvester subjected to levy flight excitations

Ramakrishnan, S., Lambrecht, C. & Edlund, C., Jan 1 2017, Mechatronics; Estimation and Identification; Uncertain Systems and Robustness; Path Planning and Motion Control; Tracking Control Systems; Multi-Agent and Networked Systems; Manufacturing; Intelligent Transportation and Vehicles; Sensors and Actuators; Diagnostics and Detection; Unmanned, Ground and Surface Robotics; Motion and Vibration Control Applications. American Society of Mechanical Engineers, Vol. 2.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Harvesters
Energy harvesting
Random processes
Vibrations (mechanical)
Power generation

Stochastic oscillator model of EEG based on information content and complexity

Ghorbanian, P., Ramakrishnan, S. & Ashrafiuon, H., Jan 1 2014, Dynamic Modeling and Diagnostics in Biomedical Systems; Dynamics and Control of Wind Energy Systems; Vehicle Energy Management Optimization; Energy Storage, Optimization; Transportation and Grid Applications; Estimation and Identification Methods, Tracking, Detection, Alternative Propulsion Systems; Ground and Space Vehicle Dynamics; Intelligent Transportation Systems and Control; Energy Harvesting; Modeling and Control for Thermo-Fluid Applications, IC Engines, Manufacturing. American Society of Mechanical Engineers, Vol. 2. 5929

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electroencephalography
Brain
Entropy
Frequency bands

Stochastic stability of a piezoelectric vibration energy harvester and stabilization using noise

Ramakrishnan, S. & Edlund, C., Jan 1 2018, Control and Optimization of Connected and Automated Ground Vehicles; Dynamic Systems and Control Education; Dynamics and Control of Renewable Energy Systems; Energy Harvesting; Energy Systems; Estimation and Identification; Intelligent Transportation and Vehicles; Manufacturing; Mechatronics; Modeling and Control of IC Engines and Aftertreatment Systems; Modeling and Control of IC Engines and Powertrain Systems; Modeling and Management of Power Systems. American Society of Mechanical Engineers (ASME), Vol. 2.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Harvesters
Stabilization
Asymptotic stability
Nonlinear systems
Stiffness
1 Citation (Scopus)

Synthesis and analysis of control laws for swarm of mobile robots emulating ant foraging behavior

Ramakrishnan, S. & Kumar, M., Dec 1 2010, ASME 2010 Dynamic Systems and Control Conference, DSCC2010. Vol. 2. p. 647-652 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mobile robots
Convergence of numerical methods
Cellular automata
Navigation
Robotics

The hysteresis phenomenon and Q factor enhancement in nonlinear NEMS resonators driven by Lévy stable stochastic processes

Ui Shougat, M. E. & Ramakrishnan, S., Jan 8 2019, 2018 IEEE 13th Nanotechnology Materials and Devices Conference, NMDC 2018. Institute of Electrical and Electronics Engineers Inc., 8605893. (2018 IEEE 13th Nanotechnology Materials and Devices Conference, NMDC 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

NEMS
stochastic processes
Random processes
Hysteresis
Q factors