Research Interests

• Nonlinear Dynamical Systems Analysis and Controls

• Modern Geometric Methods in Mechanics and Control

• Pattern Generation in Coupled Mechanical Systems

Publications (PDF Version)   

Journal Publications

D. H. S. Maithripala, B. D. Kawade, J. M. Berg, andW. P. Dayawansa, ``A General Modeling and Control Framework for Electrostatically-Actuated Mechanical Systems,'' To appear in the International Journal of Robust and Nonlinear Control.

D. H. S. Maithripala, Jordan M. Berg and W. P. Dayawansa, ''Almost-Global Tracking of Simple Mechanical Systems on a General Class of Lie Groups'', To appear in the IEEE Transactions on Automatic Control.

D. H. S. Maithripala, W. P. Dayawansa and Jordan M. Berg, "Intrinsic Observer-Based Stabilization For Simple Mechanical Systems on Lie Groups,” To appear in the SIAM Journal on Optimization and Control.

D. H. S. Maithripala, Jordan M. Berg and W. P. Dayawansa, "Control of an Electrostatic MEMS Using Static and Dynamic Output Feedback'', To appear in the ASME journal of Dynamical systems, measurement and control.

D. H. S. Maithripala, Jordan M. Berg and W. P. Dayawansa, ``Loss of Structurally Stable Regulation Implies Loss of Stability,'' Trans. of the IEEE
journal on Automatic Control, 48(3), ppg 483--487, 2003.

S. Ekwaro-Osire, D. H. S. Maithripala and J. M. Berg, ``A Series Expansion Approach to Interpreting the Spectra of the Timoshenko Beam,'' Journal of Sound and Vibration, 240(4), ppg 667--678, 2001.

D. H. S. Maithripala and K. S. Walgama, ``Tunable AWC's for PID Controllers,'' The Journal of the Institute of Engineers Sri Lanka, April 1999.

Conference Publications
D. H. S. Maithripala Jordan M. Berg and W. P. Dayawansa, ``State and Configuration Feedback for Almost Global Tracking of Simple Mechanical Systems on a General Class of Lie Groups'' Proc. of the American Control Conference, Portland, OR, 2005.

R. Palamakumbura, D. H. S. Maithripala, W. P. Dayawansa and H. Inaba, ``Control of Travelling Pulses in MEMS arrays: Numerical Evidence of Practical Asymptotic Stabilization'',  Proc. of the American Control Conference, Portland, OR, 2005.

D. H. S. Maithripala Jordan M. Berg and W. P. Dayawansa, ``An Intrinsic Observer for a Class of Simple Mechanical Systems on Lie Groups.''  Proc. of the American Control Conference, Boston, MA, 2004.

D. H. S. Maithripala Jordan M. Berg and W. P. Dayawansa, ``Nonlinear Dynamic Output Feedback Stabilization of Electrostatically Actuated MEMS.''  Proc. of the Computation Decision and Control Conference, Maui, Hawaii, 2003.

D. H. S. Maithripala, R. O. Gale, , M. W. Holtz, Jordan M. Berg and W. P. Dayawansa, ``Nano-precision Control of Micromirrors using Output Feedback.'' Proc. of the Computation Decision and Control Conference, Maui, Hawaii, 2003.

D. H. S. Maithripala Jordan M. Berg and W. P. Dayawansa, ``A Virtual Velocity Sensor for Improved Transient Performance of Electrostatically-Actuated MEMS,'' Proc. of the International Mechanical Engineering Conference, Washington, DC, 2003.

D. H. S. Maithripala Jordan M. Berg and W. P. Dayawansa, ``A Port Controlled Hamiltonian Approach to Stabilization of an Electrostatic Actuator,'' Proc. of the International Mechanical Engineering Conference, Washington, DC, 2003.

D. H. S. Maithripala, Jordan M. Berg and W. P. Dayawansa, ``Capacitive Stabilization of an Electrostatic Actuator: An Output Feedback Viewpoint,'' Proc. of the American Control Conference, Denver, CO, 2003.

D. H.. S. Maithripala, Jordan M. Berg and W. P. Dayawansa, ``Loss of Structurally Stable Regulation Implies Loss of Stability,'' Proc. of the American Control Conference, Anchorage , AK, 2002.

D. H. S. Maithripala, Jordan M. Berg and W. P. Dayawansa, ``Parameter Space Submanifolds Limiting Structurally Stable Regulation,'' Proc. of the American Control Conference, Anchorage, AK, 2002.