2025
- M. Mohammadi and M.W. Shafer, “UAV Path Planning for Precision Multi-target Localization,” IEEE Access, vol. 13, pp. 63715-63728, 2025.
- L. Call, R. Dasher, Y. Xu, A.W. Johnson, Z. Dou, and M.W. Shafer, “Elevation Models, Shadows, and Infrared: Integrating Datasets for Thermographic Leak Detection,” Remote Sensing, vol. 17, no. 14, pp. 2399, 2025.
2023
- M.W. Shafer and P. Flikkema, “Tracking Small Wildlife with Minimal-Complexity Radio Frequency Transmitters: Near-Optimal Detection,” IEEE Access, vol. 11, pp. 40029-40037, 2023.
2021
- D. R. Higueras-Ruiz, M. W. Shafer, and H. P. Feigenbaum, “Cavatappi artificial muscles from drawing, twisting, and coiling polymer tubes,” Science Robotics, vol. 6, no. 53, 2021. (Full Access)
- D.R. Higueras Ruiz, C.J. Center, H.P. Feigenbaum, A.M. Swartz, and M.W. Shafer. “Finite Element Analysis of Straight Twisted Polymer Actuators Using Precursor Properties,” Smart Material and Structures, vol. 30, no. 2, 2021.
2019
- M.W. Shafer, G. Vega, K. Rothfus, and P. Flikkema. “UAV wildlife radio telemetry: System and methods of localization,” Methods in Ecology and Evolution, vol. 10, no. 10, 1783-1795, 2019.
- M.W. Shafer, L. Adoram-Kershner, C. Morris, M. Eck, P. Flikkema, R. Holser, and D. Costa. “Solar Energy Harvesting Assessments from Migrating Northern Elephant Seals,” in OCEANS Conference (IEEE/MTS), Marseille, France, June 17-20, 2019.
2018
- A.M. Swartz, D.R. Higueras Ruiz, H. Feigenbaum, M.W. Shafer, and C. Browder. “Experimental characterization and model predictions for twisted polymer actuators in free torsion,” Smart Material and Structures, vol. 27, no. 11, 2018.
- G. Hahn, L. Adoram-Kershner, H. Cantin and M.W. Shafer. “Assessing solar power for globally migrating terrestrial, marine, and submarine systems,” IEEE Journal of Oceanic Engineering, vol. 99, 2018.
- A. Torabi, M.W. Shafer, G. Vega, and K. Rothfus, “UAV-RT: An SDR Based Aerial Platform for Wildlife Tracking,” in IEEE Vehicular Technology Conference (VTC2018-Fall), Chicago, IL, August 27-30, 2018.
2017
- M.W. Shafer, H. Feigenbaum, and D.R. Higueras Ruiz. “A novel biomimetic torsional actuator design using twisted polymer actuators,” in ASME Conf. on Smart Materials, Adaptive Structures and Intelligent Systems, No. 3803, Snowbird, UT, September 18-20, 2017.
- L. Adoram-Kershner, T. Bruce, C. Morris, R. Holser, D. Costa, P.G. Flikkema, and M.W. Shafer. “Modeling and Testing Solar Power for Globally Migrating Submarine Systems,” in OCEANS Conference (IEEE/MTS), Anchorage, AK, September 18-22, 2017.
- T. Bruce, C. Morris, L. Adoram-Kershner, R. Holser, D. Costa, P.G. Flikkema, and M.W. Shafer. “Development of a Datalogger for Assessment of Solar Energy Harvesting in Submarine Environments,” in OCEANS Conference (IEEE/MTS), Anchorage, AK, September 18-22, 2017.
2016
- G. Hahn, H. Cantin, and M. W. Shafer. “Experimental validation of a sub-surface model of solar power for distributed marine sensor systems,” Active and Passive Smart Structures and Integrated Systems 2016, vol. 9799, International Society for Optics and Photonics, 2016.
- M.W. Shafer, H. Feigenbaum, P. Pugh, and M. Fisher. “First steps in modeling thermal actuation of twisted polymer actuators using virgin material properties,” in ASME Conf. on Smart Materials, Adaptive Structures and Intelligent Systems, No. 9292, Stowe, VT, September 27-30, 2016.
2015
- M.W. Shafer, E. Morgan, and G. Hahn. “A hydrostatic pressure cycle energy harvester,” Active and Passive Smart Structures and Integrated Systems 2015, vol. 9431, International Society for Optics and Photonics, 2015.
- M. Lamb, G.W. Koch, E. Morgan, and M.W. Shafer. “A synthetic leaf: The biomimetic potential of graphene oxide,” Bioinspiration, Biomimetics, and Bioreplication 2015, vol. 9429, International Society for Optics and Photonics, 2015.
- M.W. Shafer, R. MacCurdy, J.R. Shipley, D. Winkler, C. G. Guglielmo, and E. Garcia. “The case for energy harvesting on wildlife in flight,” Smart Material and Structures, vol. 24, no. 2, 2015.
2014
- E. Morgan and M.W. Shafer. “Marine energy harvesting using magnetohydrodynamic power generation,” in ASME Conf. on Smart Materials, Adaptive Structures and Intelligent Systems, No. 7636, Newport, RI, September 8-10, 2014.
- M.W. Shafer and E. Morgan. “Energy harvesting for marine-wildlife monitoring,” in ASME Conf. on Smart Materials, Adaptive Structures and Intelligent Systems, No. 7630, Newport, RI, September 8-10, 2014.
- M.W. Shafer and E. Garcia. “The power and efficiency limits of piezoelectric energy harvesting,” Journal of Vibrations and Acoustics, vol. 136, no. 2, 2014.
2013
- M.W. Shafer, R. MacCurdy, and E. Garcia. “Testing of vibrational energy harvesters on flying birds,” in ASME Conf. on Smart Materials, Adaptive Structures and Intelligent Systems, No. 3063, Snowbird, UT, September 16-18, 2013.
- M.W. Shafer and E. Garcia. “Fundamental power limits of piezoelectric energy harvesters based on material strength,” Active and Passive Smart Structures and Integrated Systems 2013, vol. 8688, International Society for Optics and Photonics, 2013.
2012
- M.W. Shafer, M. Byrant, and E. Garcia. “Designing maximum power output into piezoelectric energy harvesters,” Smart Materials and Structures, vol. 21, no.8, 2012.
- M.W. Shafer, M. Byrant, and E. Garcia. “A practical power maximization design guide for piezoelectric energy harvesters inspired by avian bio-loggers,” in ASME Conf. on Smart Materials, Adaptive Structures and Intelligent Systems, No. 8071, Stone Mountain, GA, September 19-21, 2012.
- A. Schlichting, M.W. Shafer, and E. Garcia. “Multi-source energy harvesting schemes with piezoelectrics and photovoltaics and system power management for an avian bio-logger,” ASME Conf. on Smart Materials, Adaptive Structures and Intelligent Systems, No. 8130, Stone Mountain, GA, Sept. 19-21, 2012.
- E. Garcia, M.W. Shafer, M. Bryant, A. Schlichting, and B. Kogan. “Insight and applications in energy harvesting from bullets to birds,” in Proc. 4th Inter. Conf. Smart Mater. Struct. Syst., Invited Presentation, Montecatini Terme, Italy, June 10-14, 2012.
- M.W. Shafer, R. MacCurdy, E. Garcia, and D. Winkler. “Harvestable vibrational energy from an avian source: theoretical predictions vs. measured values,” Active and Passive Smart Structures and Integrated Systems 2012, vol. 8341, International Society for Optics and Photonics, 2012.
- M. Bryant, M.W. Shafer, and E. Garcia. “Power and efficiency analysis of a flapping wing wind energy harvester,” Active and Passive Smart Structures and Integrated Systems 2012, vol. 8341, International Society for Optics and Photonics, 2012.
2011
- M.W. Shafer, J. Gallon, and T. Rivellini. “Umbilical deployment device,” NASA Tech Briefs, vol. 35, no. 12 , pp. 36, December 2011.
- M.W. Shafer, and E. Garcia. “Maximum and practical sustainable harvestable vibrational power from avian subjects,” in ASME Conf. on Smart Materials, Adaptive Structures and Intelligent Systems, Phoenix, AZ, September 18-21, 2011.
- M.W. Shafer, and E. Garcia. “Closed loop heading control in the Tobacco Hawkmoth, Manduca sexta.” Bioinspiration, Biomimetics, and Bioreplication, vol 7975, International Society for Optics and Photonics, 2011.