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Publications


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Journals

  1. Vellingiri Ramanujam R. and Ranjith Mohan. Pseudospectral-Method-Based Framework for Rotorcraft Stability and Trim Analysis. Journal of Aircraft, June, 2023.
  2. R. Sandeepkumar and Ranjith Mohan. Differential flatness-based pseudospectral optimal control of six-degrees-of-freedom aircraft and its issues. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, Vol. 1, January, 2022.
  3. R. Sandeepkumar and Ranjith Mohan. Flatness-Based Reduced Hessian Method for Optimal Control of Aircraft. Journal of Guidance, Control, and Dynamics, Vol. 45(1), January, 2022.
  4. R. Sandeepkumar, Suresh Rajendran, Ranjith Mohan, Antonio Pascoal. A Unified Ship Manoeuvring Model with a Nonlinear Model Predictive Controller for Path Following in Regular Waves. Ocean Engineering, Vol. 243, January, 2022.
  5. Cibin Joseph and Ranjith Mohan. Closed-form Expressions of Lift and Moment Coefficients for Generalized Camber using Thin-Airfoil Theory. AIAA Journal, Vol. 59(10), August, 2021.
  6. Bharath Swaminathan and Ranjith Mohan. An Investigation on the Stability of Dynamic Soaring Orbits. Journal of Aerospace Sciences and Technologies, 73, 2021.
  7. Cibin Joseph and Ranjith Mohan. A Parallel, Object-Oriented Framework for Unsteady Free-Wake Analysis of Multi-Rotor/Wing Systems. Computers & Fluids, 215, 2020.
  8. Vellingiri Ramanujam R. and Ranjith Mohan. Effect of Three-Dimensional Aerodynamics and Dynamic Stall on Lead-Lag Damping of an Isolated Rotor. Journal of the American Helicopter Society, 66(1): 1-13, 2020.
  9. Dhruv Laad, Purnanand Elango and Ranjith Mohan. Fourier Pseudospectral Method for Trajectory Optimization with Stability Requirements. Journal of Guidance, Control and Dynamics, 43, 2020.
  10. Purnanand Elango and Ranjith Mohan. Trajectory optimisation of six degree of freedom aircraft using differential flatness. The Aeronautical Journal, 122(1257):1788-1810, 2018.
  11. Salini S. Nair, Ranjith Mohan, and Gopal Gaonkar. Influence of dynamic inflow states on coupled rotor fuselage modes. Journal of the American Helicopter Society, 62(4):1-11, 2017.
  12. Harshal Kaushik, Ranjith Mohan, K. Arul Prakash. Utilization of Wind Shear for Powering Unmanned Aerial Vehicles in Surveillance Application: A Numerical Optimization Study. Energy Procedia, 90(1):349-359, 2016.

Conference proceedings

  1. Salini S Nair, Haradev G. S. and Ranjith Mohan. Ground Resonance: Nonlinear modeling and analysis. In Advances in Control and Optimization of Dynamical Systems, February 2020.
  2. Sandeepkumar R. and Ranjith Mohan. Flatness-based aircraft trajectory optimization and tracking using pseudospectral method. In AIAA Scitech Forum, January 2020.
  3. Sandeepkumar R. and Ranjith Mohan. Flatness-based model predictive control of six degree of freedom fixed-wing UAV. In International Conference on Advances in Robotics, July 2019.
  4. Bharath Swaminathan and Ranjith Mohan. Stability and Stability Augmentation of Dynamic Soaring Orbits of UAVs. In AIAA Aviation Forum, June 2019.
  5. Salini S Nair, Akshay Ramachandran, Bittesh Pandey, Rohith M. and Ranjith Mohan. Effect of ground proximity on the regressive lag mode during ground resonance : An experimental study. In 75th Annual Forum and Technology Display of The Vertical Flight Society, May 2019.
  6. Purnanand Elango and Ranjith Mohan. Periodic flight of rotorcraft within thermal columns. In 2019 AIAA Atmospheric Flight Mechanics Conference, January 2019.
  7. G. D. Sunil and Ranjith Mohan. Modeling and control of a UAV manipulator. In 5th Indian Control Conference, January 2019.
  8. Mohamed Khalid, Manoj Velmurugan and Ranjith Mohan. A novel guidance algorithm and comparison of nonlinear control strategies applied to an indoor quadrotor. In 5th Indian Control Conference, January 2019.
  9. Sai Ramana Kiran, Ashutosh Kumar and Ranjith Mohan. Aerial-ground robotic system for terrain estimation and navigation. In 5th Indian Control Conference, January 2019.
  10. Bharath Swaminathan and Ranjith Mohan. On the Stability of Dynamic Soaring Orbits of UAVs. In AIAA Aviation Forum, June 2018.
  11. Bharath Swaminathan and Ranjith Mohan. Waypoint Navigation with Dynamic Soaring UAVs. In SAROD 2018, November 2018.
  12. Cibin Joseph and Ranjith Mohan. A numerical investigation of ground effect on rotorcraft in the presence of side walls. In 43rd European Rotorcraft Forum, September 2017.
  13. Cibin Joseph and Ranjith Mohan. A new ground effect factor based on image vortices. In 6th Asian/Australian Rotorcraft Forum and Heli Japan, November 2017.
  14. Rohith M., Cibin Joseph, and Ranjith Mohan. An experimental investigation of ground effect on rotorcraft in the presence of side walls. In 6th Asian/Australian Rotorcraft Forum and Heli Japan, November 2017.
  15. Salini S. Nair, Cibin Joseph, and Ranjith Mohan. An evaluation of ground effect modelling for rotors in hover. In 6th Asian/Australian Rotorcraft Forum and Heli Japan, November 2017.
  16. Vellingiri Ramanujam R and Ranjith Mohan. Effect of three dimensional dynamic stall on rotorcraft stability. In 43rd European Rotorcraft Forum. American Helicopter Society, September 2017.
  17. Vellingiri Ramanujam R, Salini S. Nair, and Ranjith Mohan. An investigation of lift augmentation in forced pitching and flapping rotor. In 5th Asian/Australian Rotorcraft Forum. American Helicopter Society, November 2016.
  18. Salini S. Nair, Ranjith Mohan, and Gopal Gaonkar. Influence of dynamic inflow states on coupled rotor fuselage modes. In AHS 72nd Annual Forum and Technology Display. American Helicopter Society, May 2016.
  19. Salini S. Nair and Ranjith Mohan. Detection and control of ground resonance using phase of fuselage attitude rates. In 42nd European Rotorcraft Forum. American Helicopter Society, September 2016.
  20. Dhavaleswar Ramaswamy R., Shourav Padnekar, and Ranjith Mohan. Prediction of rotor-wake interaction noise using finite state dynamic wake inflow model. In 42nd European Rotorcraft Forum. American Helicopter Society, September 2016.
  21. Shourav Padnekar, Dhavaleswar Ramaswamy R., and Ranjith Mohan. Helicopter rotor noise optimization. In 5th Asian/Australian Rotorcraft Forum. American Helicopter Society, November 2016.
  22. Salini S. Nair and Ranjith Mohan. Analysis and control of aeromechanical instabilities in helicopters. In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, November 2015.
  23. Salini S. Nair and Ranjith Mohan. Effect of rotor wake on aeromechanical instabilities in helicopters. In 4th Asian/Australian Rotorcraft Forum. American Helicopter Society, November 2015.
  24. Prithish Seth, Akshay Ramachandran and Ranjith Mohan. A mechanism for higher harmonic control. In 4th Asian/Australian Rotorcraft Forum. American Helicopter Society, November 2015.