Subramanian Ramakrishnan

20102019
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Research Output 2010 2019

  • 22 Conference contribution
  • 9 Article
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Conference contribution
2019

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

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
2018

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
2017

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
4 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, (ASME 2017 Dynamic Systems and Control Conference, DSCC 2017; vol. 2).

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

Brownian movement
Robots
Entropy

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, (ASME 2017 Dynamic Systems and Control Conference, DSCC 2017; vol. 2).

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

Harvesters
Energy harvesting
Random processes
Vibrations (mechanical)
Power generation
2015

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
2014

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
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

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, 5929. (ASME 2014 Dynamic Systems and Control Conference, DSCC 2014; vol. 2).

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

Electroencephalography
Brain
Entropy
Frequency bands
2013
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
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
2012

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. p. 333-338 6 p. (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).

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. p. 431-438 8 p. (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).

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

Multi agent systems
Collision avoidance
System stability
Spatial distribution
Kinematics
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
2011
15 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
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. 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

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
2010
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
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. 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
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. p. 647-652 6 p. (ASME 2010 Dynamic Systems and Control Conference, DSCC2010; vol. 2).

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

Mobile robots
Convergence of numerical methods
Cellular automata
Navigation
Robotics