- Stability and Stabilization of Infinite Dimensional Systems
with Applications, Springer Verlag, 1999.

Zheng Hua Luo, Bao Zhu Guo, Omer Morgul.

**Articles in Refereed Journals**

- ``Further stability results for a generalization of delayed feedback control,"
Nonlinear Dynamics, 1 August 2012, pp. 1-8, doi:10.1007/s11071-012-0530-z.

O. Morgul.

- ``Boundary Control of a Rotating Shear Beam with Observer Feedback," Journal of Vibration and
Control 1077546311429145, first published on December 16, 2011 as doi:10.1177/1077546311429145.

M. Dogan, O. Morgul.

- `` Approximate Analytic Solutions to Non-Symmetric
Stance Trajectories of the Passive Spring-Loaded Inverted Pendulum
with Damping," Nonlinear Dynamics, vol. 62, no. 4,
pp. 729-742, Dec. 2010.

U; Saranli, O. Arslan, M. M. Ankarali, O. Morgul.

- ``On The Control of
Two-Link Flexible Robot Arm with Nonuniform Cross Section," Journal of Vibration and Control, vol. 16, no. 5,
pp. 619-646, 2010.

M. Dogan, O. Morgul.

- ``A New Generalization of Delayed
Feedback Control," International Journal of Bifurcation and Chaos , vol. 19, no. 1, pp. 365-377, 2009.

O. Morgul.

- "On the stabilization of periodic orbits
for discrete time chaotic systems by using scalar feedback,"
International Journal of Bifurcation and Chaos , vol. 17, no. 12, pp. 4431-4442, 2007.

O. Morgul.

- "Stabilization of unstable periodic orbits
for discrete time chaotic systems by using periodic feedback,"
International Journal of Bifurcation and Chaos. vol. 16, no. 2, pp.
311-323, 2006.

O. Morgul.

- "On the stability of delayed feedback
controllers for discrete time systems," Physics Letters A,
vol. 335, pp. 31-42, 2005.

O. Morgul.

- "On the stabilization of periodic
orbits for discrete time chaotic systems," Physics Letters A,
vol. 335, pp. 127-138, 2005.

O. Morgul.

- "A model based scheme for anticontrol
of some discrete time chaotic systems," International Journal
of Bifurcation and Chaos, vol. 14, no. 6, pp. 2943-2954, 2004.

O. Morgul.

- "A model based scheme for anticontrol
of some chaotic systems," International Journal of Bifurcation
and Chaos, vol. 13, no. 11, pp. 3449-3457, 2003.

O. Morgul.

- "On the stability of delayed feedback
controllers ," Physics Letters A, vol. 314, pp. 278-285, 2003.

O. Morgul.

- "Observer based chaotic message transmission," International Journal of
Bifurcation and Chaos, vol. 13, no. 4, pp. 1003-1017, 2003.

O. Morgul, E. Solak, M. Akgul.

- "A switching synchronization
scheme for a class of chaotic systems," Physics Letters A,
vol. 301, pp. 241-249, 2002.

O. Morgul, M. Akgul.

- "An exponential stability result for the wave equation,"
Automatica, vol.38, pp. 731-735, 2001.

O. Morgul.

- "Stabilization and disturbance rejection for the beam equation,"
IEEE Trans. on Automatic Control, vol. 46, no. 12, pp. 913-918, 2001.

O. Morgul.

- Comments on the paper "An unstable plant with no poles,"
IEEE Trans. on Automatic Control, vol. 46, no. 11, pp. 1843-1843, 2001.

O. Morgul.

- "Observer based control of a class of chaotic systems,"
Physics Letters A, vol. 279, pp. 47-55, 2001.

E. Solak, O. Morgul, U. Ersoy.

- "Quadratic Optimality of Zero-Phase repetitive control,"
ASME Journal on Dynamic Systems,
Measurement and Control, vol 123, pp. 554-555, 2001.

H. Koroglu, O. Morgul.

- "Time-varying repetitive control for better transient response
and stochastic behaviour," Electronics Letters, vol. 37, no. 17,
pp. 1101-1102, 2001.

H. Koroglu, O. Morgul.

- "Synchronization and chaotic masking scheme based on occasional
coupling," Physical Review E, vol. 62, no. 3, pp. 3543-3551, 2000.

O. Morgul.

- "An RC realization of Chua's circuit family,"
IEEE Tran. on Circuits and Systems, part 1, vol. 47, no. 9,
pp. 1424-1430, 2000.

O. Morgul.

- "An Analysis of Maximum
Clique Formulations and Saturated Linear Dynamical Network,"
ARI, vol. 51, pp. 268-276, 1999.

N.S. Sengor, Y. Cakir, C. Guzelis, F. Pekergin, and O. Morgul.

- "On the control of some chaotic systems
by using dither," Physics Letters,
vol. 262, no. 10, pp. 144-151, 1999.

O. Morgul.

- "A chaotic masking scheme by using synchronized
chaotic systems,"
Physics Letters A, 251, pp. 169-176, Jan. 1999.

O. Morgul, M. Feki.

- "Necessary condition for observer based chaos
synchronization,"
Physical Review Letters, Vol. 82, No. 1, pp. 77-80, Jan. 1999.

O. Morgul.

- "On the control of chaotic systems in Lur'e form
by using dither," IEEE Trans. on
Circuits and Systems, part 1, vol. 46, no. 10, pp. 1301-1305, 1999.

O. Morgul.

- "A saturated linear dynamical network for approximating
maximum clique," IEEE Trans. on
Circuits and Systems, part 1, vol. 46, no. 6, pp. 677-685, 1999.

F. Pekergin, O. Morgul, C. Guzelis.

- "On the synchronization of logistic maps,"
Physics Letters A, vol. 247, pp. 391-396, 1998.

O. Morgul.

- "Solving maximum clique problem by cellular neural network,"
Electronics Letters, vol. 34, no. 15, pp. 1504-1506, 1998.

N.S. Sengor, M.E. Yalcin, Y. Cakir, M. Ucer, C. Guzelis, F. Pekergin, O. Morgul.

- "On the stabilization of flexible beam with a tip mass,"
Siam J. on Control and Optimization, vol. 36, no. 6, pp. 1962-1986,
1998.

F. Conrad, O. Morgul.

- "Stabilization and disturbance rejection for the wave equation,"
IEEE Transactions on Automatic Control, vol. 43, no. 1, pp.89-95,
1998,

O. Morgul.

- "Synchronization of chaotic systems by using occasional
coupling," Physical Review E, vol 55, No. 5, pp. 5004-5010, May
1997.

O. Morgul, M. Feki.

- "On the synchronization of chaotic systems by using state observers,"
Int. Journal of Bifurcation and chaos, vol. 7, no. 6, pp. 1307-1322, 1997.

O. Morgul, E. Solak.

- "On the observer based synchronization of chaotic systems," Physical
Review E, vol. 54, no. 5, pp. 4803-4811, 1996.

O. Morgul, E. Solak.

- "Wien bridge based RC chaos generator," Electronics Letters, vol. 31,
no. 24, Nov. 1995, pp. 2058-2059.

O. Morgul.

- "On the stabilization and stability robustness against small delays
of some damped wave equations," IEEE Transactions on Automatic Control,
vol. 40, no. 9, Sept. 1995, pp. 1626-1630.

O. Morgul.

- "Inductorless realisation of Chua oscillator," Electronics Letters,
vol. 31, no. 27, Aug. 1995, pp. 1403-1404.

O. Morgul.

- "A dynamic control law for the wave equation," Automatica, vol. 30,
no. 11, Nov. 1994, pp. 1785-1792.

O. Morgul.

- "On the stabilization of a cable with a tip mass," IEEE Transactions
on Automatic Control, vol. 39, no. 10, Oct. 1994, pp. 2140-2145.

O. Morgul, B. P. Rao, F. Conrad.

- "Control and stabilization of a rotating flexible structure," Automatica,
vol. 30, no. 2, Feb. 1994, pp. 351-356.

O. Morgul.

- "On the design of dynamic associative neural memories," IEEE
Transactions on Neural Networks, vol. 5, no. 3, May 1994, pp. 489-492.

M. E. Savran, O. Morgul.

- "Dynamic boundary control of the Timoshenko beam," Automatica, vol.
28, No. 6, Oct. 1992, pp. 1255-1260.

O. Morgul.

- "Dynamic boundary control of a Euler-Bernoulli beam," IEEE
Transactions on Automatic Control, Vol. 37, No. 5, May 1992, pp.
639-642.

O. Morgul.

- "Boundary control of a Timoshenko beam attached to a rigid body :
planar motion," International Journal of Control, vol. 54, no. 4, Oct.
1991, pp. 763-791.

O. Morgul.

- "Orientation and stabilization of a flexible beam attached to a rigid
body : planar motion," IEEE Transactions on Automatic Control, vol. 36,
No. 8, Aug. 1991, pp. 953-962.

O. Morgul.

- "Control and stabilization of a flexible beam attached to a rigid
body," International Journal of Control, Vol. 51, No. 1, pp. 11-31, Jan.
1990.

O. Morgul.

Problems in the Control of Flexible Spacecraft, Aug. 1989, Supervisor:

Prof. Dr. Charles A.Desoer

University of California, Berkeley

California, USA.

- "Chaos in Circuits and Systems," G.
Chen, and T. Ueta , Singapore, World Scientific Publishing Co., 650
p., Automatica, vol. 41, pp. 352-355, 2005.

O. Morgul.

- On the stabilization of a flexible beam with a tip mass, Les
prepublications de l'Institut Elie Cartan, No. 19, 1996.

F. Conrad, O. Morgul.

- Problems in the control of flexible spacecraft, Technical Memorandum,
UCB/ERL M89/97, Electronic Research Laboratory, University of California, 1989.

O. Morgul.

- Control and stabilization of a flexible beam attached to a rigid
body, Technical Memorandum, UCB/ERL M89/5, Electronic Research Laboratory,
University of California, 1989.

O. Morgul.

- ``A 3D Dynamic Model of a Spherical Wheeled Self Balancing Robot," Proceedings of IEEE.RSJ
Int. Conf. on Inteeligent Robots and Systems, IROS 2012.

A. N. Inal, U. Saranli, O. Morgul.

- ``A Nonlinear Control Scheme for Discrete Time Chaotic Systems," Proceedings of 3rd IFAC
Conference on Analysis and Control of Chaotic Systems (CHAOS11),
Cancun, Mexico, 20-22 June, 2012.

O. Morgul.

- ``On the Strain Feedback Control of a
Flexible Robot Arm,". Proceedings of the 2011 American Control
Conference, pp. 1795-1800, San Francisco, USA.
June. 2011.

O. Morgul.

- ``Adaptive Control of a Spring-Mass Hopper," Proceedings of 2011
IEEE International Conference on Robotics and Automation}, pp.
2138-2143, Shanghai, China, May 2011.

I. Uyanik, U. Saranli, O. Morgul.

- ``A New Periodic Controller for Discrete
Time Chaotic Systems,". Proceedings of the 8th IFAC Symposium on
Nonlinear Systems, pp. 191-196, Bologna, Italy.
Sept. 2010.

O. Morgul.

- ``Reactive
Footstep Planning for a Planar Spring Mass Hopper,". Proceedings of
the 2009 Int. Conf. on Intelligent Robots and Systems, St. Louis,
MO, USA. October 2009 .

O. Arslan, U. Saranli, O. Morgul.

- ``A New Delayed Feedback Control Scheme
for Discrete Time Chaotic Systems," Proceedings of 2nd IFAC
Conference on Analysis and Control of Chaotic Systems (CHAOS09),
University of London, United Kingdom, 22-24 June, 2009.

O. Morgul.

- ``PDE Control of a Rotating
Shear Beam with Boundary Feedback," Proceedings of European Control
Conference, (ECC’09), pp. 856-861, Budapest, Hungary, 2009.

M. Dogan, O. Morgul.

- ``An
Approximate Stance Map of the Spring Mass Hopper with Gravity
Correction for Nonsymmetric Locomotions,". Proceedings of the 2009
Int. Conf. On Robotics and Automation, pp. 2388-2393, Kobe, Japan.
May 2009.

O. Arslan, U. Saranli, O. Morgul.

- ``On the Boundary Control
of Kirchhoff's Nonlinear String," Proceedings of NOLCOS 2007,
Pretoria, South Africa, Aug. 22 - Aug. 24, 2007.

O. Morgul, S. M. Shahruz.

- ``Boundary Control Schemes
for Nonlinear Kirchhoff String," Proceedings
of SIAM Conf. on Control and Its Applications, San Fransisco, USA,
June 29 - July 1, 2007.

O. Morgul, S. M. Shahruz.

- "Nonlinear PDE control of
two link flexible arm with nonuniform cross section,"
proceedings of the 2006 ACC, Min., USA, June 14-16, 2006, pp.
400-406.

M. Dogan, O. Morgul.

- "Boundary control of some infinite
dimensional systems," proceedings of the 16th IFAC World
Congress, July 3-8, Prague, Czech Rep., 2005.

O. Morgul.

- "Stability results for some periodic
feedback controllers," proceedings of the 16th IFAC World
Congress, July 3-8, Prague, Czech Rep., 2005.

O. Morgul.

- "On the boundary control of passive
infinite dimensional systems," proceedings of the 11th
Mediterranean Conference on Control and Automation, p. 27, 18-20
June 2003, Rhodes, Greece.

O. Morgul.

- "Model Based Anticontrol of Chaos,
Proceedings of International conference Physics and Control
2003, pp. 440-445, 20-22 Aug. 2003, St. Petersburg, Russia.

O. Morgul.

- "Stability of delayed feedback controllers
for discrete time systems," Proceedings of International
conference Physics and Control 2003, pp. 491-496, 20-22 Aug. 2003,
St. Petersburg, Russia .

O. Morgul.

- "A stability result for delayed feedback
controllers ," Proceedings of IEEE Conference Decision and
Control 2003, Dec. 9-12, 2003, Hawaii, USA.

O. Morgul.

- "Model based anticontrol of discrete time
systems ," Proceedings of IEEE Conference Decision and Control
2003, Dec. 9-12, 2003, Hawaii, USA.

O. Morgul.

- "On the boundary control of beam equation,"
proceedings of IFAC 2002 World Congress, pp. 2017-2023, 21-26
July 2002, Barcelona, Spain.

O. Morgul.

- "On the synchronization and
control of a class of chaotic systems, Proceedings of NDES
2002, pp. 3.13-3.17, 21-23 June 2002, Izmir, Turkey.

O. Morgul, M. Akgul.

- "On the boundary control of a flexible
robot arm," Proc. of 40th IEEE Conference on Decision and
Control, pp. 3856-3858, Orlando, Florida, Dec. 4-7, 2001.

O. Morgul.

- "Stabilization and disturbance
rejection for the beam equation," Proc. of 40th IEEE Conference
on Decision and Control, pp. 3858-3860, Orlando, Florida, Dec. 4-7,
2001.

O. Morgul.

- "Robust LQ control for harmonic reference/disturbance signals,"
Proc. of 39th CDC, Sydney, Australia, Dec. 2000.

H. Koroglu, O. Morgul.

- "Theoretical and experimental results for the control of some
chaotic systems by using dither," Proc. of ECCTD, Stresa, Italy,
pp. 863-867, Sept. 1999.

O. Morgul.

- "Discrete-time LQ optimal repetitive control,"
Proc. ACC, San Diego, California, June 1999.

H. Koroglu, O. Morgul.

- "LQ optimal design at finitely many frequencies,"
Proc. of 37th Conf. on Decision and Control, Tampa,
Florida, Dec. 1998, pp. 1195-1196.

H. Koroglu, O. Morgul.

- "A gain selection scheme for high gain nonlinear observers,"
Proc. of Nonlinear Control Systems Design Symp., Enschede, The
Netherlands, July 1998, pp. 757-760.

E. Solak, O. Morgul

- "Gradient-like systems as continuous methods for
approximating maximum clique," Proc. of Turkish Symp. on
Artificial Intelligence and Neural Networks, Bilkent,
Ankara, June 1998, pp. 234-243.

N.S. Sengor, M.E. Yalcin, Y. Cakir, M. Ucer, C. Guzelis, F. Pekergin, O. Morgul.

- "On the dynamic boundary control of a flexible
structure," Proc. of ICOTA'98, June 1998, Vol. 1, pp. 337-345,
Perth, Australia.

O. Morgul.

- "An application of cellular neural network : maximum
clique problem," 1998 5th IEEE Int. Workshop on Cellular
Neural Networks and their applications, London, 14-17 April, 1998,
pp. 208-211.

N.S. Sengor, M.E. Yalcin, Y. Cakir, M. Ucer, C. Guzelis, F. Pekergin, O. Morgul.

- "On the application of dither for controlling some
chaotic systems," Proc. of ECCTD 97, Aug. 1997, vol. 3, pp. 1216-1221,
Budapest, Hungary.

O. Morgul, U. Ersoy.

- "Observer based control of chaos," Proc. of COC'97,
St. Petersburg, Russia, Aug. 1997, pp. 594-597.

E. Solak, O. Morgul, U. Ersoy.

- "Fuzzy controller design for parametric controllers,"
Proc. of 12th IEEE Conference on Intelligent Control, July 1997,
Istanbul, Turkey, pp. 67-72.

M. Akgul, O. Morgul.

- "Fuzzy controller design for parametric controllers:
rule generation with fuzzy c-means clustering," Proc. of
TAINN 1997, Ankara, Turkey, May 1997, pp. 63-67.

M. Akgul, O. Morgul

- "A communication scheme by using synchronized chaotic systems," Proc.
3rd IEEE Int. Conf. on Electronics, Circuits and Syst., Rhodes, Greece, 1996,
pp. 1060-1063.

O. Morgul, M. Feki.

- "Parameter optimized controller design based on frequency domain
identification," presented in MTNS'96, St. Louis, USA, 1996.

H. Koroglu, O. Morgul.

- "On the boundary control of single link flexible robot arms," Proc.
of IFAC'96, San Fransisco, USA, 1996, pp. 127-133.

O. Morgul.

- "On the stabilization of a beam with a tip mass," Proceedings of
Third European Control Conference, ECC'95, Rome, Italy, Sept. 1995, pp.
1518-1521.

O. Morgul, B. P. Rao, F. Conrad.

- "Dynamic boundary control of a flexible robot arm," Proceedings of
Third European Control Conference, ECC'95, Rome, Italy, Sept. 1995, pp.
1522-1527.

O. Morgul.

- "Robust stabilization of the wave equation against small delays,"
Proceedings of 33rd Conference on Decision and Control, CDC, Orlando,
Florida, USA, Dec. 1994, pp. 1751-1756.

O. Morgul.

- "Stabilization and disturbance rejection for the wave equation,"
Proceedings of 33rd Conference on Decision and Control, CDC, Orlando,
Florida, USA, Dec. 1994, pp. 1776-1777.

O. Morgul.

- "Uniform stabilization of a string with a tip mass," IFIP Conf. on
Numerical Analysis and Optimization, Rabat, Dec. 1993.

F. Conrad, O. Morgul, B. P. Rao.

- "Constant angular velocity control of a rotating flexible structure,"
Proceedings of Second European Control Conference ECC'93 Groningen,
Netherlands, June 1993, pp. 299-302.

O. Morgul.

- "Orientation and stabilization of a rotating flexible structure,"
Proceedings of Conference on Mathematical Theory of Networks and Systems,
MTNS'93, Regensburg, Germany, Aug. 1993, vol. 2, pp. 809-811,
published by Akademie Verlag, series Mathematica
l Research, vol. 79, ed. U. Helmke, R. Mennicken, J. Sauer, Berlin, 1994.

O. Morgul.

- "Application of Gauss-Seidel iteration to RLS algorithm," in Linear
Algebra for Large Scale and Real-Time Applications, M. S. Moonen, G. H. Golub
and B. L. R. DeMoor, ed.s, NATO ASI Series, Series E : Applied Science,
Vol. 232, Kluwer Academic Publishers, 1993, pp. 407-409.

O. Morgul, A. Malas.

- "Dynamic boundary control and disturbance rejection in boundary
control systems," Proceedings of the 31st IEEE Conference on Decision and
Control, CDC, Tucson, Arizona, USA, Dec. 1992, pp. 1305-1310.

O. Morgul, S. M. Shahruz.

- "Dynamic boundary control of a rotating flexible structure,"
Proceedings of the 31st IEEE Conference on Decision and Control, CDC,
Tucson, Arizona, USA, Dec. 1992, pp. 1313-1314.

O. Morgul.

- "On the stabilization of the wave equation," in Analysis and
Optimization of Systems : State and Frequency Domain Approaches for
Infinite Dimensional Systems, R. F. Curtain, ed., Lecture Notes in
Control and Information Sciences, Vol. 185, Springer-Verlag, 1993,
pp. 531-543.

O. Morgul.

- "On the associative memory design for the Hopfield neural network",
Proceedings of IEEE IJCNN'91, International Joint Conference on Neural
Networks, vol. 2, Nov. 1991, Singapore, pp. 1166-1171.

M. E. Savran, O. Morgul.

- "On the design of Hopfield and cellular neural networks", Proceedings
of ISCIS 6, the 6th International Symphosium on Computer and Information
Sciences, 11 vol. 2, Nov. 1991, Elsevier. Antalya, Turkiye, 1991,
pp. 899-905.

M. E. Savran, O. Morgul.

- "Dynamic boundary control of a rotating flexible spacecraft,"
Proceedings of International Symposium MTNS-91, vol. 2, Kobe, Japan,
June 1991, pp. 591-595.

O. Morgul.

- "Orientation and control of a flexible spacecraft : planar motion,"
Proceedings of the 29th IEEE Conference on Decision and Control, vol. 2, Honolulu, Hawaii, Dec. 1990, pp. 393-394.

O. Morgul.

- "On the boundary control of a flexible robot arm," Proceedings of the
IEEE International Workshop on Intelligent Motion Control, vol. 2, Istanbul,
Turkiye, Aug. 1990, pp. 519-522.

O. Morgul.

- "A dynamic boundary control of a flexible beam," Proceedings of the
1990 Bilkent Conference on New Trends in Communication, Control and Signal
Processing (ed. Erdal Arkan), vol. 2, Elsevier Science Publishers,
Ankara, Turkiye, July 1990, pp. 925-931.

O. Morgul.

- "Disturbance rejection in boundary control systems," Proceedings of
the American Control Conference, Pittsburgh, PA, USA, 1989, pp. 1623-1624.

S. M. Shahruz, O. Morgul.

- "Control and stabilization of a flexible beam attached to a rigid
body : planar motion," Proceedings of the 27th IEEE Conference on Decision
and Control, Austin, Texas, Dec. 1988, pp. 1643-1644,.

C. A. Desoer, O. Morgul.

- "Some disturbance decoupling results in linear m-ports," Proceedings
of the 5th International Symposium on Network Theory, Sarajevo, Yugoslavia,
Sept. 1984. pp. 112-117.

O. Morgul, I. Cem Goknar.

- "Some transfer function realization results in m-ports," Proceedings
of the 5th International Symposium on Network Theory, Sarajevo, Yugoslavia,
Sept. 1984, pp. 118-123.

O. Morgul, I. Cem Goknar.