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D. Ehrens, F. Assaf, N. J. Cowan, S. V. Sarma, and Y. Schiller,” Ultra Broad Band Neural Activity Portends Seizure Onset in a Rat Model of Epilepsy“. Conf Proc IEEE Eng Med Biol Soc (EMBC), Accepted, Milwaukee, WI, 2018.
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A. Kunapareddy and N. J. Cowan, “ Recovering Observability via Active Sensing“. Proc Amer Control Conf (ACC), Accepted, Honolulu, HI, 2018.
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S. Sefati, N. J. Cowan, and R. Vidal, “ Learning Shared, Discriminative Dictionaries for Surgical Gesture Segmentation and Classification“. In MICCAI 6th Workshop on Modeling and Monitoring of Computer Assisted Interventions (M2CAI), Munich, Germany, 2015.
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I. Uyanik*, M. M. Ankarali*. N. J. Cowan, U. Saranli, O. Morgul, and Hitay Ozbay, “ Independent Estimation of Input and Measurement Delays for a Hybrid Vertical
Spring-Mass-Damper via Harmonic Transfer Functions“. In Proc. IFAC Workshop on Time Delay Systems, Ann Arbor, MI, 2015. *Contributed equally.
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I. Uyanik, M. M. Ankarali. N. J. Cowan, U. Saranli, and O. Morgul “ Toward Data-Driven Models of Legged Locomotion using Harmonic Transfer Functions“. Int Conf on Advanced Robotics, Istanbul, Turkey, 2015.
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S. Sefati, N. J. Cowan, and R. Vidal, “ Linear Systems with Sparse Inputs: Observability and Input Recovery“. Proc Amer Control Conf (ACC), Accepted, Chicago, IL, 2015.
- System Identification of Rhythmic Hybrid Dynamical Systems via Discrete Time Harmonic Transfer Functions“. Proc IEEE Int Conf on Decision Control (CDC), Los Angeles, CA, 2014.
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A. Lamperski and N. J. Cowan, “ Time-changed linear quadratic regulators“. Proc Euro Control Conf (ECC), Zurich, Switzerland, 2013.
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S. G. Carver, E. S. Fortune, and N. J. Cowan, “ State-estimation and cooperative control with uncertain time“. Proc Amer Control Conf (ACC), Washington, DC, 2013.
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A. Lamperski and N. J. Cowan, “ Time-changed linear quadratic regulators“. Proc Euro Control Conf (ECC), Zurich, Switzerland, 2013.
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E. Roth and M. B. Reiser and M. H. Dickinson and N. J. Cowan. “A task-level model for optomotor yaw regulation in Drosophila melanogaster: a frequency-domain system identification approach“. Proc IEEE Int Conf on Decision Control (CDC), Maui, Hawaii, 2012.
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J. P. Dyhr, N. J. Cowan, D. J. Colmenares, K. A. Morgansen, and T. L. Daniel. “ Autostabilizing airframe articulation: animal inspired air vehicle control “. Proc IEEE Int Conf on Decision Control (CDC), Maui, Hawaii, 2012.
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A. Demir, M. M. Ankarali, J. P. Dyhr, K. A. Morgansen, T. L. Daniel, and N. J. Cowan. “ Inertial redirection of thrust forces for flight stabilization “. Proc Conf on Climbing and Walking Robots (CLAWAR), July 2012, Baltimore, MD, USA.
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S. Sefati, I. Neveln, M. A. MacIver, E. S. Fortune and N. J. Cowan. “ Counter-propagating waves enhance maneuverability and stability: a bio-inspired strategy for robotic ribbon-fin propulsion “. Proc IEEE RAS EMBS Int Conf Biomed Robot Biomechatron (BioRob), Rome, Italy 2012.
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J.P. Swensen and N.J. Cowan. “An almost global estimator on SO(3) with measurement on S^2”. Proc Amer Control Conf, Montreal, Canada, 2012.
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J.P. Swensen and N.J. Cowan. “Torsional dynamics compensation enhances robotic control of tip-steerable needles”. Proc IEEE Int Conf Robot Autom (ICRA), Saint Paul, MN, USA, 2012.
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V. Kallem, D. E. Chang, and N. J. Cowan. “Observer design for needle steering using task-induced symmetry and reduction”. World Cong Intl Fed Autom Control (IFAC), 2011.
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A. Demir, E. W. Samson, and N. J. Cowan. “A tunable physical model of arthropod antennae”. Proc IEEE Int Conf Robot Autom (ICRA), Anchorage, USA, May 3-8, 2010.
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K. B. Reed, A. M. Okamura, and N. J. Cowan. “Controlling a robotically steered needle in the presence of torsional friction”. In Proceedings of the IEEE International Conference on Robotics and Automation (ICRA), Kobe, Japan, May 12-17, 2009.
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K. B. Reed, V. Kallem, R. Alterovitz, K. Goldberg, A. M. Okamura, and N. J. Cowan. “Integrated planning and image-guided control for planar needle steering” . Proc IEEE RAS EMBS Int Conf Biomed Robot Biomechatron (BioRob), Scottsdale, USA 2008. [pdf]
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R. J. Webster III, J. M. Romano, and N. J. Cowan. “Kinematics and calibration of active cannulas” . Proc IEEE Int Conf Robot Autom (ICRA), Pasadena, CA, USA, May 19-23, 2008.
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J. Lee, O. Y. Loh, and N. J. Cowan. “A Hierarchy of neuromechanical and robotic models of antenna-based wall following in cockroaches” . Proc IEEE/RSJ Int Conf Intell Robots Syst (IROS), San Diego, CA, USA, Oct 29 – Nov 2, 2007.
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V. Kallem, D. E. Chang, and N. J. Cowan. “Task-induced symmetry and reduction in kinematic systems with application to needle steering” . Proc IEEE/RSJ Int Conf Intell Robots Syst (IROS), San Diego, CA, USA, Oct 29 – Nov 2, 2007.
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V. Kallem, M. Dewan, J. P. Swensen, G. D. Hager, and N. J. Cowan. “Kernel-based visual servoing” . Proc IEEE/RSJ Int Conf Intell Robots Syst (IROS), San Diego, CA, USA, Oct 29 – Nov 2, 2007.
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V. Kallem, and N. J. Cowan. “Image-guided control of flexible bevel-tip needles” . Proc IEEE Int Conf Robot Autom (ICRA), Rome, Italy, 2007.
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R. J. Webster, A. M. Okamura, and N. J. Cowan. “Toward active cannulas: miniature snake-like surgical robots” . Proc IEEE/RSJ Int Conf Intell Robots Syst (IROS), Beijing, China, 2006.
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A. Lamperski, O. Loh, B. Kutscher and N. J. Cowan. “Dynamical wall-following for a wheeled robot using a passive tactile sensor” . Proc IEEE Int Conf Robot Autom (ICRA), Barcelona, Spain, 2005.
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W. Park, J. S. Kim, Y. Zhou, N. J. Cowan, A. M. Okamura and G. S. Chirikjian. “Diffusion-based motion planning for a nonholonomic flexible needle model” . Proc IEEE Int Conf Robot Autom (ICRA), Barcelona, Spain, 2005.
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J. Piazzi, D. Prattichizzo and N. J. Cowan. “Auto-epipolar visual servoing” . Proc IEEE/RSJ Int Conf Intell Robots Syst (IROS), Sendai, Japan, 2004.
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J. Piazzi and N. J. Cowan. “Multi-view visual servoing using epipoles” . Proc IEEE/RSJ Int Conf Intell Robots Syst (IROS), Sendai, Japan, 2004.
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N. J. Cowan, O. Shakernia, R. Vidal, S. Sastry. “Vision-based follow-the-leader” . Proc IEEE/RSJ Int Conf Intell Robots Syst (IROS), Las Vegas, NV, October 2003.
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G. Lawrence, N. J. Cowan and S. Russel. Efficient gradient estimation for motor control learning . Proc Conf on Uncertain Artif Intell (UAI), Acapulco, Mexico, 2003.
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N. J. Cowan. “Binocular visual servoing with a limited field-of-view” . In Proceedings of the International Symposium on Mathematical Theory of Networks and Systems (MTNS), University of Notre Dame, 2002.
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N. J. Cowan, J. D. Weingarten and D. E. Koditschek. “Empircal validation of a new visual servoing strategy” . In Proceedings of the Conference on Control Applications (CCA), Mexico City, Mexico, 2001. IEEE.
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N. J. Cowan, G. Lopes and D. E. Koditschek. “Rigid body visual servoing using navigation functions” . Proc IEEE Int Conf on Decision Control (CDC), Sydney, Australia, 2000. IEEE. Finalist, Best Student Paper.
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N. J. Cowan and D. E. Koditschek. “Planar image based visual servoing as a navigation problem” . Proc IEEE Int Conf Robot Autom (ICRA), volume 1, pages 611-617, Detroit, MI USA, 1999. IEEE. Expanded Technical Report (University of Michigan CGR-99-01) ps, ps.gz.
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