Publications
Journal Articles
- B. Potsaid and J.T.Wen, "High Performance Motion Tracking Control
for Electronic Manufacturing,'' ASME Journal on Dynamics,
Measurement, & Control, accepted for publication, 2007.
- T.Alpcan, X.Fan, T.Basar, M.Arcak, J.T.Wen, "Power Control for Multicell CDMA Wireless Networks: a Team Optimization Approach," to appear in ACM/Baltzer Wireless Networks (WINET) Journal, 2007.
- B. Potsaid and J.T.Wen, "Active Optics Improve Microscope's Field
of View," Microscopy Today, 14(4), July 2006, pp.16-22.
- X. Fan, K. Chandrayana, M. Arcak, S.Kalyanaraman, J.T.Wen, ``A
Two-Time-Scale Design for Edge-Based Detection and Rectification of
Uncooperative Flows,'' IEEE/ACM Transactions on Networking, 14(6),
December, 2006, pp. 1313-1322.
- X. Fan, T. Alpcan, M. Arcak, J.T.Wen, and T. Basar, ``A Passivity
Approach to Game-Theoretic {CDMA} Power Control,'' Automatica,
42(11), November, 2006, pp.1837-1847.
- J.F. O'Brien, F. Jafari, and J.T. Wen, ``Determination of Unstable Singularities in Parallel Robots with N-arms,'' IEEE Transaction on Robotics, February, 2006.
- B. Potsaid, Y.Bellouard, J.T.Wen, "Adaptive Scanning Optical
Microscope (ASOM): a multidisciplinary optical microscope design for
large field and high resolution imaging," Optical Express, 13(17),
Aug., 2005, pp.6504-6518.
- W.Gressick, J.T.Wen, J. Fish, ``Order Reduction for Large-Scale Finite Element Models: A Systems Perspective,'' International
Journal for Multiscale Computational Engineering, 3(3), 2005.
- B.-H. Kang, J.T. Wen, N.G. Dagalakis, J.J. Gorman, "Analysis and
Design of Parallel Mechanisms with Flexure Joints,"
IEEE Transaction on Robotics, Dec, 2005, pp.1179-1185.
- X. Fan, M. Arcak, J.T.
Wen, ``A Robustness Analysis of
Game-Theoretic CDMA Power Control,'' Elektrik, Turkish Journal of
Electrical Engineering & Computer Sciences, Special Issue on Control
of Communication Networks, 12(3), Nov, 2004, pp.139-150.
- X. Fan, M. Arcak, J.T.
Wen, “Robustness of
Network Flow Control Against Disturbances and Time-Delay,” System
and Control Letters, 53(1), 2004, pp.13-29.
- J.T. Wen, M. Arcak,
“A
Unifying Passivity Framework for Network Flow Control,” IEEE
Transaction on Automatic Control, 49 (2), Feb., 2004, pp.162--174.
- S. Jung, J.T. Wen, “Nonlinear Model Predictive Control for
the Swing-up of a Rotary Inverted Pendulum,” ASME J. on
Dynamics, Measurements, & Control, Sept., 126(3), 2004, pp. 666-673.
- J.T. Wen, J.F.
O’Brien, “Singularities
in Three-Legged Platform-Type Parallel Mechanisms,” IEEE
Transaction on Robotics and Automation, 19(4), Aug. 2003, pp.720--725.
Aug., 2003.
- J. O'Brien, J.T. Wen, ``On Kinematic Instability of Parallel
Robots,” Electronic Journal of Computational Kinematics,
1(1), February, 2002.
- H. Kang and J.T. Wen, ``Design and Implementation of a
Robotic Assistant in Minimally Invasive Surgeries,'' IEEE Magazine
Engineering in Medicine and Biology Magazine, January, 2000.
- D. Popa and J.T. Wen,
``Singularity Computation for Iterative Control
of Nonlinear Affine Systems,'' Asian Journal of Control, 2(2),
June, 2000, pp.57-75. Correction.
- C. Bernard,
H. Kang, S.K. Singh, J.T. Wen, ``Robotic System for
Collaborative Control in Minimally Invasive Surgery,'' Industrial
Robot, 26(6), Nov/Dec, 1999. pp.476-484.
- J.T. Wen,
L.S. Wilfinger, ``Kinematic
Manipulability of General Constrained Rigid Multibody Systems,'' IEEE
Transaction on Robotics and Automation, 15(3), June, 1999.
pp.558-567.
- C. Dickinson,
J.T. Wen, ``Feedback Control
Strategies for Shape Memory Alloy Actuators,'' Journal of Intelligent
Material Systems and Structures, 9(4), April, 1998,
pp. 242-250.
- B. Tibbetts,
J.T. Wen, ``Extrusion
Process Control: Modeling, Identification, and Optimization,'' IEEE
Transaction on Control System Technology, 3, March, 1998,
pp. 134-145.
- R. Beard,
G.N. Saridis, J.T. Wen, ``Approximate
Solutions to the Time-Invariant Hamilton-Jacobi-Bellman Equation,'' Journal
of Optimization Theory and Applications, 96(3), March 1998.
- R. Beard,
G.N. Saridis, J.T. Wen, ``Sufficient Conditions for the
Convergence of Galerkin Approximations to the Hamilton-Jacobi Equation,''
Automatica, 33(12), December, 1997, pp.2159-2177.
- S.G. Shu, D.C. Lagoudas,
D Hughes, J.T. Wen, ``Modeling of a Flexible Beam Actuated by
Shape Memory Alloy Wires,'' Journal on Smart Materials and Structures,
Journal of Smart Materials and Structures, 6, June, 1997, pp.
265-277.
- D Hughes, J.T. Wen,
``Preisach Modeling of Piezoceramic and
Shape Memory Alloy Hysteresis,'' Journal on Smart Materials and
Structures, Journal of Smart Materials and Structures, 6,
June, 1997, pp. 287-300.
- A. Divelbiss, J.T. Wen, ``Trajectory Tracking Control of a
Car-Trailer System,'' IEEE Transaction on Control System
Technology, 5(3), May, 1997, pp.269-278.
- A. Divelbiss,
J.T. Wen, ``A Path Space
Approach to Nonholonomic Motion Planning in the Presence of Obstacles,''
IEEE Transaction on Robotics and Automation, 13(3), June,
1997, pp.443-451.
- X. Chen, J.T. Wen,
``Robustness Analysis for Linear
Time Invariant Systems with Structured Incrementally Bounded Feedback
Nonlinearities,'' Journal of Applied Mathematics and Computer
Science, 6(4), 1996.
- R. Beard,
G.N. Saridis, J.T. Wen, ``Improving
the Performance of Stabilizing Controls for Nonlinear Systems,'' IEEE
Control System Magazine, October, 1996, pp.27-35.
- D. Hughes, J.T. Wen,
``Passivity Motivated Controller Design for Flexible Structures,'' AIAA
Journal of Guidance, Control, and Dynamics, May-June, 1996,
pp.726-729.
- F. Lizarralde, J.T. Wen, ``Attitude Control without
Angular Velocity Measurement: A Passivity Approach,'' IEEE
Transaction on Automatic Control, March, 1996, pp.468-472.
- A. Kelkar, S. Joshi, J.T.
Wen, ``Robust Attitude
Stabilization of Spacecraft Using Nonlinear Quaternion Feedback." IEEE
Transaction on Automatic Control, 40(10), October, 1995,
pp.1800-1803.
- X. Chen, J.T. Wen,
``Positive Realness Preserving Model
Reduction with H-infinity Norm Error Bounds,'' IEEE Transaction on
Circuits and Systems - I: Fundamental Theory and Applications,
Jan, 1995, pp.23-29.
- P. Akella, X. Chen,
W. Cheng, D. Hughes, J.T. Wen, ``Modeling and Control of Smart Structures with
Bonded Piezoelectric Sensors and Actuators,'' Journal on Smart
Materials and Structures, 3, pp.344-353, 1994.
- W. Cheng, J.T. Wen,
``A Two-Time-Scale Neural
Controller for the Tracking Control of Rigid Manipulators,'' IEEE
Transaction on Systems, Man, and Cybernetics, 24(7), July,
1994.
- L.S. Wilfinger,
J.T. Wen, S. Murphy, ``Integral Force Control
with Robustness Enhancement,'' IEEE Control System Magazine, 14(1),
February, pp.31-40, 1994.
- S. Murphy,
J.T. Wen, ``Analysis of
Active Manipulator Elements in Space Manipulation,'' IEEE
Transaction on Robotics and Automation, Special Issue on Space
Robotics, 9(5), October, pp.544-552, 1993.
- L. Lanari,
J.T. Wen, ``Asymptotically Stable Set Point Control Laws for Flexible
Robots,'' System and Control Letters, 19, July-Aug,
pp.119-129, 1992.
- J.T. Wen,
K. Kreutz-Delgado, ``Motion and
Force Control of Multiple Robotic Manipulators,'' Automatica,
28(4), pp.729-743, 1992.
- E. Castro,
S. Seereeram, J. Singh, A. Desrochers, J.T. Wen, ``A
Real-Time Computer Controller for a Robotic Filament Winding System,'' Journal
of Intelligent and Robotic Systems, 7(1), February 1992,
pp.73-91.
- J.T. Wen, ``Stability of a Class of Interconnected
Evolution Systems,'' IEEE Transaction on Automatic Control,
March, 1992, pp.342-347.
- J.T. Wen,
K. Kreutz-Delgado, D. Bayard, ``Lyapunov Function Based
Control Laws for Revolute Robot Arms: Tracking Control, Robustness, and
Adaptive Control,'' IEEE Transaction on Automatic Control, 37
(2), February, 1992, pp.231-237.
- S. Seereeram,
J.T. Wen, ``An All-Geodesic
Algorithm for Filament-Winding of a T-shaped Form,'' IEEE
Transaction on Industrial Electronics, December, 1991.
- J.T. Wen,
K. Kreutz-Delgado, ``The
Attitude Control Problem,'' IEEE Transaction on Automatic Control,
36(10), October, 1991, pp.1148-1162.
- S. Murphy,
J.T. Wen, G. Saridis, ``Simulation of Cooperating Robot
Manipulators on a Mobile Platform,'' IEEE Transaction on Robotics and
Automation, 7(4), August, 1991, pp.468-478.
- J.T. Wen,
S. Murphy, ``Stability
Analysis of Position and Force Control of Robot Arms,'' IEEE
Transaction on Automatic Control, 36(3), March, 1991,
pp.365-371.
- J.T. Wen, ``A Unified Perspective on Robot
Control: The Energy Lyapunov Function Approach,'' International
Journal on Adaptive Control and Signal Processing, 4(6), 1990,
pp.487-500.
- J.T. Wen, ``Finite Dimensional Controller Design for
Infinite Dimensional Systems: The Circle Criterion Approach,'' Systems
and Control Letters, 13, 1989, pp.445-454.
- J.T. Wen, M. Balas,
``Robust Adaptive Control in Hilbert
Space,'' Journal of Mathematical Analysis and Applications, 143(1),
Oct., 1989, pp.1-26.
- J.T. Wen, ``Time Domain and Frequency Domain
Conditions for Strict Positive Realness,'' IEEE Transaction on
Automatic Control, 33(10), Oct, 1988, pp.988-992.
- J.T. Wen,
D. Bayard, ``A New Class of
Stabilizing Control Laws for Robotic Manipulators, Part I: Nonadaptive
Case'' International Journal of Control, 47(5), 1988,
pp.1361-1385.
- D. Bayard, J.T. Wen,
``A New Class of Stabilizing Control
Laws for Robotic Manipulators, Part II: Adaptive Case'' International
Journal of Control, 47(5), 1988, pp.1387-1406.
- J.T. Wen,
A. Desrochers, ``An Algorithm for Obtaining Bang-Bang Control Laws,''
ASME J. Dynam. Syst. Meas. & Contr., 109,
June, 1987, pp.171-175.
Recent Technical Reports
Recent Conference Articles
-
R. Quintanilla, J.T. Wen, M. Arcak, "Robust Control for Linear
Stages in Electronic Manufacturing," American Control Conference,
New York, July, 2007.
- H. Bai, J.T. Wen, M. Arcak, "Group Coordination when the Reference
Velocity is Available Only to the Leader: An Adaptive Design,"
American Control Conference, New York, July, 2007.
- B. Potsaid, J.T. Wen, F. Finger, "Living organism imaging with the
Adaptive Scanning Optical Microscope (ASOM)," Photonics West, San
Jose, Jan, 2007.
- B. Potsaid, J.T. Wen, "Adaptive Scanning Optical Microscope (ASOM):
large field of view and high resolution imaging using a MEMS
deformable mirror," Photonics West, San Jose, Jan, 2007.
- B. Potsaid, J.T. Wen, F. Finger, "Automation of Challenging
Spatial-Temporal Biomedical Observations with the Adaptive Scanning
Optical Microscope (ASOM)," IEEE Conference on Automation Science
and Engineering, Shanghai, China, Oct. 2006. (Best Conference Paper
Award).
- B. Potsaid, J.T. Wen, "A multidisciplinary design and optimization
methodology for the Adaptive Scanning Optical Microscope (ASOM),"
Novel Optical Systems Design and Optimization IX Conference},
SPIE Symposium on Optics & Photonics, Aug. 13-17, 2006, San Diego,
CA.
- B. Potsaid, J.T. Wen, Y. Bellouard, ``Adaptive Scanning Optical
Microscope (ASOM) for Large Workspace Micro-robotic Applications,''
IEEE Robotics and Automation Conference, Orlando, 2006.
- X. Fan, K. Chandrayana, M. Arcak, S. Kalyanaraman, J.T. Wen,
``A Two-Time Scale Design for Detection and Rectification of
Uncooperative Network Flows,'' Conference on Decision and Control,
Dec. 2005, Seville, Spain.
- T. Alpcan, X. Fan, T. Basar, M. Arcak, and J.T. Wen, ``Power Control
for Multicell CDMA Wireless Networks: A Team Optimization Approach,'' 3
rd International Symposium on Modeling and Optimization in
Mobile, Ad-hoc and Wireless Networks, Trentino, Italy, April, 2005.
- J.L. Hurst, J.T. Wen, ``Computation of Shear Viscosity: A Systems Approach,''
American Control Conference, June, 2005, Portland,
OR.
-
B. Potsaid, Y. Bellouard, J.T. Wen, ``Design of
an Adaptive Scanning Optical Microscope for Simultaneous Large Field of View
and HighResolution,'' IEEE Conference on Robotics and Automation, Barcelona, Spain, April 18-22, 2005.
-
G. Montemayor, J.T. Wen, ``Decentralized Collaborative Load Transport by
Multiple Robots,'' IEEE Conference on Robotics and Automation, Barcelona, Spain, April 18-22, 2005.
-
J.F. O'Brien, F. Jafari, J.T. Wen, ``Self-motion
in Spatial Parallel Mechanisms with More than Three Legs,'' IEEE Conference on
Roboticsand Automation, Barcelona,
Spain, April 18-22, 2005.
-
B.H. Kang, J.T. Wen, N.G. Dagalakis, J.J.
Gorman, ``Design Optimization for a Parallel MEMS Mechanism with Flexure
Joints,'' International Design Engineering Technical Conferences,
Sept.28-Oct.2, 2004, Salt Lake City,
Utah.
-
B.H. Kang, J.T. Wen, A. Messac, ''Structural
Optimization of a Parallel MEMS Manipulator with a New Performance Measure,''
10th AIAA/ISSMO Multidisciplinary
Analysis and Optimization, Albany,
NY, Aug.30--Sept.1, 2004.
- J.T. Wen, F. Lizarralde, ``Nonlinear
Model Predictive Control based on the Best-step Newton Algorithm,''
Conference on Control Applications, Taipei,
Taiwan, Aug. 31--Sept. 2, 2004.
- G. Montemayor, J.T. Wen, ``Multiple Robot Force
Control with Delayed Force Measurements,'' Conference on Control Applications, Taipei, Taiwan,
Aug.~31--Sept.~2, 2004.
- B. Potsaid, J.T. Wen, ``High
Performance Motion Tracking Control,'' Conference on Control
Applications,'' Taipei, Taiwan, Aug. 31--Sept. 2, 2004. (Best student
paper)
- X. Fan, M. Arcak, J.T. Wen, “Passivation Designs for CDMA Uplink Power
Control,” American Control Conference 2004.
- X. Fan, M. Arcak, J.T. Wen, “Robustness of CDMA Power Control against
Disturbances and Time-Delays,” American Control Conference 2004.
- B.H. Kang, J.T. Wen, N.G. Dagalakis, J.J. Gorman,
``Analysis and Design of Parallel
Mechanisms with Flexure Joints,'' IEEE Conference on Robotics and Automation, New Orleans,
April 30-May 2, 2004.
-
X. Fan, M. Arcak, J.T. Wen, Lp
stability and delay robustness of network flow control,
Conference on Decision and Control, Maui,
HI, Dec, 2003.
- J.T. Wen, M. Arcak, ``A Unifying Passivity Framework for Network Flow Control,'' 2003 INFOCOM, San Francisco, March,
2003.
- B. Potsaid, Y. Bellouard, J.T. Wen, ``Scanning Optical Mosaic Scope for
Micro-Manipulation,'' International Workshop on Micro-Factory (IWMF), Minneapolis, Sept 2002.
-
H. Kang, J.T. Wen, ``Robotic Knot Tying for Minimally
Invasive Surgeries,'' International Robotics and Systems (IRoS) Conference, Lausanne, Switzerland, Sept 2002.
- B. Potsaid, J.T. Wen, ``Optimal mechanical design of a
rotary inverted pendulum,'' International Robotics and Systems (IRoS)
Conference, Lausanne, Switzerland, Sept 2002.
- J.T. Wen, D. Popa, G. Montemayor,
P.L. Liu, ``Human
Assisted Impedance Control of Overhead Cranes,'' 2001 Conference on
Control Applications, Mexico City,
Mexico,
Sept. 2001.
- D.A. Miele,
B. Potsaid, J.T. Wen, ``An Internet-based Remote Laboratory for
Control Education,'' 2001 American Control Conference, Arlington, VA,
June, 2001.
- J. O'Brien,
J.T. Wen, ``On Kinematic Instability of Parallel Robots,'' Second
Workshop on Computational Kinematics, Seoul, Korea,
May 2001.
- H. Kang, J.T. Wen,
``EndoBot: a Robotic Assistant in Minimally Invasive Surgeries,'' 2001
IEEE Conference on Robotics and Automation, Seoul, Korea,
May 2001.
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