2005

• International Design Engineering Technical Conference

               Control of Nonlinear Time-Periodic Systems Via Feedback Linearization (pdf available)

               Influence of Torsional Motion on Vibratory Drilling (pdf available)

               Nonlinear Flexural-Torsional Vibrations of a Gundrilling Tool (pdf available)

               Order Reduction of Nonlinear Systems with Periodic-Quasiperiodic Coefficients (pdf available)

• International Conference on Nonlinear Dynamics, Chaos, Control and Their Applications in Engineering Sciences

               Analysis and Control of Nonlinear Dynamical Systems with Periodic Coefficients (pdf available)

 2004

• EUROMECH Colloquium 457

               Nonlinear Modes, Periodic Invariant Manifolds, and Order Reduction of Nonlinear Parametrically Excited Systems

 2003

• 19th ASME Biennial Conference on Mechanical Vibration and Noise

               Influence of Honing Dynamics on Surface Formation (pdf available)

               Order Reduction of Nonlinear Time Periodic Systems Using Invariant Manifolds (pdf available)

• 10th International Congress on Sound and Vibration

               Order Reduction of Nonlinear Time Periodic Systems (pdf available)

• ASME IMECE

               Some Techniques for Order Reduction of Nonlinear Time Periodic Systems

 2002

• 9th International Congress on Sound and Vibration

               A Strategy for Chaos Control of Nonlinear Non-autonomous Systems (pdf available)

 2000

• American Control Conference

               Control of Chaos in Nonlinear Systems with Time-Periodic Coefficients (pdf available)

• AIAA/ASME/ASCE/AHS/ACS 41st SDM Conference

               Control of a Class of Second Order Multi-Dimensional dynamical Systems with Time Periodic Coefficients

 1999

• 17th ASME Biennial Conference on Mechanical Vibration and Noise

               Order Reduction and Control of Large-Scale Linear Time Periodic Dynamical Systems (pdf available)

               Some Ideas on the Local Control of Nonlinear Systems with Time-Periodic Coefficients (pdf available)

               Symbolic Bifurcation Boundaries and Time-Dependent Resonance Sets of Time Periodic Nonlinear Systems (pdf available)

• American Control Conference (ACC)

               Bifurcation Control of Nonlinear Systems with Time-Periodic coefficients (pdf available)

 1998

• 4th International Conference on Motion and Vibration Control

               Control of Large-Scale Linear Time-Periodic Dynamical Systems

• IMECE Symposium on Active Vibration and Noise Control

                  Stability and Robustness of Time Periodic Systems Under Random Parametric Perturbation

 1997

• 17th Biennial conference on Mechanical Vibration and Noise

               Canonical Perturbation of a Fast Time-Periodic Hamiltonian Via Liapunov-Floquet Transformation (pdf available)

               Dynamics of Pipes Containing Pulsative Flow (pdf available)

               Experimental and Numerical Investigation of a Nonlinear Parametric System (pdf available)

               Fuzzy Logic Control of Time Periodic Mechanical Systems (pdf available)

• IEEE CDC

               Active Control of Nonlinear Systems Exhibiting Chaos

 1996

• EUROMECH - 2nd European Nonlinear Oscillation Conference

               Stability and Control of a Parametrically Excited Rotating System

               Stability of Periodic Motions of Nonlinear Dynamical Systems Under Simple Critical Conditions

               Dynamics of Pipes Containing Pulsatile Flow

 1995

• 15th Biennial ASME Conference on Mechanical Vibration and Noise

                  Techniques for Periodic Control of Flapping of a Helicopter Blade

               Response of Linear Time-Periodic Systems Subjected to Stochastic Excitations: A Chebyshev Polynomial

               Approach

               On the Analysis of Time-Periodic Nonlinear Hamiltonian Dynamical Systems

• International Conference on Structural Dynamics, Vibration, Noise and Control

                  Response of Time-Periodic Dynamical Systems Subjected to External Excitations

• International Conference on Advances in Mechanical Engineering

                  On the Analysis of Time-Periodic Nonlinear Dynamical Systems

 1994

• SAE International Congress and Exposition

                  Constitutive Modeling of Energy Absorbing Foams

• AIAA/ASME/ASCE/AHS/ACS 35th SDM Conference

               Time-Varying Controller Synthesis for Structures Subjected to Parametric Periodic Loadings

• ASME ESDA Conference

                  Dynamic Analysis of Rotor-Bearing Systems via Chebyshev Polynomials

• ASME WAM Symposium on Nonlinear and Stochastic Dynamics

               On the Approximation of Dynamical Systems Subjected to Strong Parametric Excitations

• First Industry/Academy Symposium on Research for Future Supersonic and Hypersonic Vehicles

               Dynamic Behavior of Magnetic Bearings Supported by Jet Engine Rotor with Auxiliary Bearings

 1993

• 3rd Pan American Congress of Applied Mechanics

                  Modal Testing of a Flexible Multibody System

• 14th Biennial ASME Conference on Mechanical Vibration and Noise

                  Liapunov-Floquet Transformation: Computation and Applications to Periodic Systems

               Control of Parametrically Excited Structures via Time-Invariant Techniques

• ASME Winter Annual Meetings

                  Control of Parametrically Excited Smart Structure via Liapunov-Floquet Transformation

 1991

• AIAA/ASME/ASCE/AHS/ASC 32nd Structures, Structural Dynamics, and Materials (SDM) Conference

               An Approximate Analytical Solution for Systems with Periodic Coefficients via Symbolic Computation

               Controller Design for Nonlinear Mechanical Systems via Liapunov's Direct Method

• 13th Biennial ASME Conference of Mechanical Vibration and Noise

               Analysis of Dynamic System with Periodically Varying Parameters via Chebyshev Polynomials

               Stability of Perfect Viscoelastic Columns Subjected to Periodic Axial Loading

 1989

• AIAA/ASME/ASCE/AHS/ASC 30th Structures, Structural Dynamics, and Materials (SDM) Conference

                  Stability and Response of Asymmetric Dynamic Systems with Time Dependent Parameters via

               Lyapunov's Method

 1988

• 59th Shock and Vibration Symposium

               Response of Nonlinear Continuous Systems Subjected to Transient Loads: An Analytical Approach

 1987

• 11th Canadian Applied Mechanics Conference

               Stability of Nonconservative Elastic Systems with a Viscoelastic Foundation

               Response Bounds for Certain Lumped Dynamic Systems

 1984

• ASME International Computers in Engineering Conference and Exhibit

               Graphic Animation of Normal Mode Motions of Lumped Systems: A Teaching Aid in Vibration Theory

 1981

• Midwest Section Meeting, ASEE

                  Stability Analysis in Engineering

 1980

• AIAA/ ASME/ ASCE/ AHS Structures, Structural Dynamics and Materials Conference

                  Pulse Response of Nonlinear, Nonstationary Vibrational Systems

 1979

• 22nd Midwest Symposium on Circuits and Systems

                  On a Modification of SHARF Algorithm