TimeScales.org

TimeScales.org

The Baylor University Time Scales Group

TimeScales.org

"for all your time scales needs"

 
 
Home
MATLAB Toolbox
Publications
People
In the News
Tutorial
Other Resources
Contact Us

Publications

2011
B.J. Jackson, J.M. Davis, I.A. Gravagne, R.J. Marks II, "Linear state feedback stabilization on time scales," International Journal of Dynamical Systems and Differential Equations, 3 (2011), 163–177. arXiv:0910.3034v1 [math.OC] [pdf]
Dylan R. Poulsen, Michael Z. Spivey, and Robert J. Marks II, "The Poisson Process and Associated Probability Distributions on Time Scales,'' Proceedings of the 2011 IEEE 43rd Southeastern Symposium on Systems Theory (SSST), Auburn University, March 14-17, 2011, pp. 49 - 54 [ pd f]
John M. Davis, Ian A. Gravagne, Robert J. Marks II and Billy J. Jackson, "Regions of Exponential Stability for LTI Systems on Nonuniform Discrete Domains,'' Proceedings of the 2011 IEEE 43rd Southeastern Symposium on Systems Theory (SSST), Auburn University, March 14-17, 2011, pp.37-42 [ pdf ]
Ian Gravagne, Eric Johns and John M. Davis, "Switched Linear Systems on Time Scales with Relaxed Commutativity Constraints," Proceedings of the 2011 IEEE 43rd Southeastern Symposium on Systems Theory (SSST), Auburn University, March 14-17, 2011, pp.43-48 [ pdf ]
John M. Davis and Geoffrey Eisenbarth, "The Positivstellensatz and Nonexistence of Common Quadratic Lyapunov Functions," Proceedings of the 2011 IEEE 43rd Southeastern Symposium on Systems Theory (SSST), Auburn University, March 14-17, 2011, pp.55-58 [ pdf ]
2010
John M. Davis, Ian A. Gravagne and Robert J. Marks II, "Convergence of Unilateral Laplace Transforms on Time Scales," Circuits, Systems, and Signal Processing, Birkhäuser Boston, Friday, April 30, 2010. [DOI 10.1007/s00034-010-9196-2 | Abstract & References | pdf on line | cached ]
John M. Davis, Ian A. Gravagne and Robert J. Marks II, "Bilateral Laplace Transforms on Time Scales: Convergence, Convolution, and the Characterization of Stationary Stochastic Time Series,'' Circuits, Systems, and Signal Processing, Birkhäuser Boston, Friday, April 30, 2010. [ DOI 10.1007/s00034-010-9196-2 | Abstract & References | pdf on line | cached ]
Ian A. Gravagne, John M. Davis, and Jeffrey J. DaCunha, "A Unified Approach to High-Gain
Adaptive Controllers," Abstract and Applied Analysis, Volume 2009, Article ID 198353, [ pdf | Online Version]
John M. Davis, Ian Gravagne, Robert J. Marks II, Alice A. Ramos, "Algebraic and Dynamic Lyapunov Equations on Time Scales," Proceedings of the the 42nd Meeting of the Southeastern Symposium on System Theory, IEEE, University of Texas at Tyler, March 7-9, 2010. [ arXiv:0910.1895v1 [math.OC] ] [pdf].
John M. Davis, Ian Gravagne, Robert J. Marks II, John E. Miller, Alice Ramos, "Stability of Switched Linear Systems on Non-uniform Time Domains," Proceedings of the the 42nd Meeting of the Southeastern Symposium on System Theory, IEEE, University of Texas at Tyler, March 7-9, 2010. [pdf]
John M. Davis, Ian Gravagne, Billy Jackson, Robert J. Marks II, "State Feedback Stabilization of Linear
Time-Varying Systems on Time Scales," Proceedings of the the 42nd Meeting of the Southeastern
Symposium on System Theory, IEEE, University of Texas at Tyler, March 7-9, 2010. [pdf]
2009

J.J. DaCunha, J.M. Davis, "A unified Floquet theory for discrete, continuous, and hybrid periodic linear systems," submitted. arXiv:0901.3841v1 [math.DS]

Billy J. Jackson, John M. Davis, Ian A. Gravagne, Robert J. Marks II, "Controllability, Observability, Realizability and Stability of Dynamic Linear Systems,'' Electronic Journal of Differential Equations, Vol. 2009 (2009), No. 37, pp. 1-32. [ pdf | web | arXiv:0901.3764v1 [math.OC] ]

John E. Miller. "Stability of Non-Diagonalizable Switched Linear Systems on Time Scales," M.S. Thesis, (August 2009) [pdf]

I.A. Gravagne, J.M. Davis, J.J. DaCunha, "A unified approach to high-gain adaptive controllers," submitted. arXiv:0901.3873v1 [math.OC]

2008
Robert J. Marks II, Ian A. Gravagne & John M. Davis, "A Generalized Fourier Transform and Convolution on Time Scales," Journal of Mathematical Analysis and Applications Volume 340, Issue 2, 15 April 2008, Pages 901-919 [pdf ].

B.J. Jackson, Adaptive control in the nabla setting. Neural Parallel Sci. Comput. 16 (2008), 253-272. [pdf]

2007

James W. Rogers Jr. and Qin Sheng, "Notes on the diamond-α dynamic derivative on time scales," J. Math. Anal. Appl. 326 (2007) pp.228–241 [pdf].

John M. Davis, Ian A. Gravagne, Billy J. Jackson, Robert J. Marks II and Alice A. Ramos, "The Laplace Transform on Time Scales Revisited," Journal of Mathematical Analysis Applications, vol.332 (2007) 1291–1307 [ pdf ].

Billy Joe Jackson, "A General Linear Systems Theory on Time Scales: Transforms, Stability, and Control," Ph.D. Dissertation (August 2007) [pdf]

Jeffrey J. DaCunha, "Instability results for slowly time varying linear dynamic systems on time scales," J. Math. Anal. Appl. 328 (2007) pp.1278–1289 [pdf].

2006

B. Jackson, "Partial dynamic equations on time scales," Journal of Computational and Applied Mathematics 186 (2006) pp.391–415 [pdf].

R.J. Marks II, Ian Gravagne, John M. Davis, Jeffrey J. DaCunha "Nonregressivity in Switched Linear Circuits and Mechanical Systems," Mathematical and Computer Modelling, vol. 43, pp.1383-1392, (2006). [pdf]

Q. Sheng, M. Fadagb, J. Hendersona, and J.M. Davis, "An exploration of combined dynamic derivatives on time scales and their applications," Nonlinear Analysis: RealWorld Applications 7 (2006) pp.395–413 [pdf].

Q. Sheng, M. Fadag, J. Henderson, and J.M. Davis, "An Exploration of Combined Dynamic Derivatives on Time Scales and Their Applications" Nonlinear Analysis:Real World Applications 7, (2006) pp.395–413.[pdf]

2005

Jeffrey J. DaCunha, "Transition matrix and generalized matrix exponential via the Peano-Baker series," Journal of Difference Equations and Applications, Vol. 11, No. 15, 15 December 2005, pp.1245-1264 [pdf]

Ian Gravagne, John M. Davis, R.J. Marks II, "How Deterministic Must a Real-Time Controller Be?" Proceedings of 2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, (IROS 2005) , Alberta, Canada.Aug. 2-6, 2005, pp. 3856 - 3861. [pdf]

Qin Sheng, "A view of dynamic derivatives on time scales from approximations" Journal of Difference Equations and Applications, Vol. 11, No. 1, pages 63-82 (2005). [pdf]

2004
Jeffrey J.DaCunha "Lyapunov Stability and Floquet Theory for Nonautonomous Linear Dynamic Systems on Time Scales" Dissertation, Baylor University (2004). [pdf]

Jeffrey J. DaCunha, John M. Davis, and Parmjeet K. Singh, "Existence results for singular three point boundary value problems on time scales," J. Math. Anal. Appl. 295 (2004) 378–39. [pdf]

Ian Gravagne, John M. Davis & Jeffrey J. DaCunha, R.J. Marks II, “Bandwidth Reduction for Controller Area Networks using Adaptive Sampling,” Proc. Int. Conf. Robotics and Automation (ICRA), New Orleans, LA, April 2004, pp. 5250 – 5255. [pdf]