Journal Articles
Refereed Conference Papers
Refereed Workshop Papers
Book Chapters

Journal Articles

  1. J. Brown, A. Paudel, D. Biehler, A. Thompson, M. Karkee, C. Grimm, and J.R. Davidson, “Tree detection and in-row localization for autonomous precision orchard management,” Computers and Electronics in Agriculture, vol. 227, 109454 (2024).
  2. A. You, N. Parayil, J. Gopala Krishna, U. Bhattarai, R. Sapkota, D. Ahmed, M. Whiting, M. Karkee, C.M. Grimm, and J.R. Davidson, “Semi-autonomous precision pruning of upright fruiting offshoot orchard systems: An integrated approach,” in IEEE Robotics & Automation Magazine, vol. 30, no. 4, pp. 10-19, 2023.
  3. N. Bira, P. Dhagat, and J.R. Davidson, "A low-power magnetorheological fluid clutch utilizing electropermanent magnet arrays," in Frontiers in Materials, vol. 9, Article 1039004, 2022.
  4. N. Bira, P. Dhagat, and J.R. Davidson, “Tuning the grasping strength of soft actuators with magnetic elastomer fingertips,” Smart Materials and Structures, vol. 31, Article 045013, 2022.
  5. A. You, C. Grimm, A. Silwal, J.R. Davidson, "Semantics-guided skeletonization of upright fruiting offshoot trees for robotic pruning," in Computers and Electronics in Agriculture, vol. 192, Article 106622, 2022.
  6. S. Walker, E. Lingle, N. Troxler, T. Wallin, K. Healy, Y. Mengüç, and J.R. Davidson, "Predicting Interfacial Layer Adhesion Strength in 3D Printable Silicone," in Additive Manufacturing, vol. 47, pp. 1-10, 2021.
  7. N. Bira, P. Dhagat, and J.R. Davidson, "A Review of Magnetic Elastomers and Their Role in Soft Robotics," in Frontiers in Robotics and AI, vol. 7, pp. 146-155, 2020. 
  8. J.R. Davidson and H.I. Krebs, “An electrorheological fluid actuator for rehabilitation robotics,” IEEE/ASME Transactions on Mechatronics, vol. 23, no. 5, pp. 2156-2167, 2018.
  9. M. Alencastre-Miranda, J.R. Davidson, R.M. Johnson, H. Waguespack, and H.I. Krebs, “Robotics for sugarcane cultivation: Analysis of billet quality using computer vision,” IEEE Robotics and Automation Letters, vol. 3, no. 4, pp. 3828-3835, 2018.
  10. A. Silwal*, J.R. Davidson*, M. Karkee, C. Mo, Q. Zhang, and K. Lewis, “Design, integration, and field evaluation of a robotic apple harvester,” Journal of Field Robotics, vol. 34, no. 6, pp. 1140 1159, 2017. *Authors contributed equally to this article.
  11. J.R. Davidson, A. Silwal, M. Karkee, C. Mo, and Q. Zhang, “Hand picking dynamic analysis for undersensed robotic apple harvesting,” Transactions of the ASABE, vol. 59, no. 4, pp. 745-758, 2016.
  12. J.R. Davidson and C. Mo, “Recent advances in energy harvesting technologies for structural health monitoring applications,” Smart Materials Research, DOI: 10.1155/2014/410316, 2014.
  13. C. Mo, J.R. Davidson, and W.W. Clark, “Energy harvesting with piezoelectric circular membranes under pressure loading,” Smart Materials and Structures, vol. 23, no. 4, 7pp, 2014.

Refereed Conference Papers

  1. A. Velasquez, C. Grimm, and J.R. Davidson, “Dynamic evaluation of a suction based gripper for fruit picking using a physical twin,” In Proc. IEEE Int’l Conf. on Robotics and Automation (ICRA), Yokohama, Japan, May 2024, pp. 11839-11845.
  2. M. Rosette, H. Kolano, C. Holm, G. Hollinger, A. Marburg, M. Pickett, and J.R. Davidson, “WAVE: An open-source underWater arm-vehicle emulator,” In Proc. IEEE Int’l Conf. on Robotics and Automation (ICRA), Yokohama, Japan, May 2024, pp. 1505-1511.
  3. A. Jones and J.R. Davidson, “Underwater salp-inspired soft structure contraction with twisted coiled actuators,” In Proc. 7th IEEE-RAS Int’l Conf. on Soft Robots (RoboSoft), San Diego, CA, Apr. 2024, pp. 504-510.
  4. N. Parayil, A. You, C. Grimm, and J.R. Davidson, “Follow the leader: A path generator and controller for precision tree scanning with a robotic manipulator,” In Proc. 14th European Conf. on Precision Agriculture (ECPA), Bologna, Italy, July 2023, pp. 167-174.
  5. A. Shaevitz, M.L. Johnston, and J.R. Davidson, “Design, characterization, and modeling of barometric tactile sensors for underwater applications,” In Proc. 6th IEEE-RAS Int’l Conf. on Soft Robots (RoboSoft), Singapore, Apr. 2023, pp. 1-6.
  6. S. Bhawsinghka, N. Troxler, S. Walker, and J.R. Davidson, “Hydraulic modulation of silicone knuckles for variable control of robot joint stiffness,” In Proc. 6th IEEE-RAS Int’l Conf. on Soft Robots (RoboSoft), Singapore, Apr. 2023, pp. 1-6.
  7. J.R. Davidson, A. You, N. Parayil, J. Gopala Krishna, M. Whiting, M. Karkee, and C. Grimm, “Recent work on robotic pruning of upright fruiting offshoot cherry systems,” in Proc. III Int’l Symposium on Mechanization, Precision Horticulture, and Robotics: Precision and Digital Horticulture in Field Environments, Angers, France, Aug. 2022.
  8. A. You, C. Grimm, J.R. Davidson, "Optical flow-based branch segmentation for complex orchard environments", in Proc. IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (IROS), Kyoto, Japan, Oct. 2022, pp. 9180-9186.
  9. A. Velasquez, N. Swenson, M. Cravetz, C. Grimm, and J.R. Davidson, "Predicting fruit-pick success using a grasp classifier trained on a physical proxy," in Proc. IEEE Int. Conf. on Intelligent Robots and Systems (IROS), Kyoto, Japan, Oct. 2022, pp. 9225-9231.
  10. A. You, H. Kolano, N. Parayil, C. Grimm, and J.R. Davidson, “Precision fruit tree pruning using a learned hybrid vision/interaction controller,” in Proc. IEEE Int’l Conf. on Robotics and Automation (ICRA), Philadelphia, PA, May 2022, pp. 2280-2286.
  11. L.M. Dischinger, M. Cravetz, J. Dawes, C. Votzke, C. VanAtter, M.L. Johnston, C.M. Grimm, J.R. Davidson, "Towards Intelligent Fruit Picking with In-hand Sensing," in Proc. IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (IROS), Prague, Czech Republic, Sept. 2021, pp. 3285-3291.
  12. A. You, F. Sukkar, R. Fitch, M. Karkee, and J.R. Davidson, “An efficient planning and control framework for pruning fruit trees,” in Proc. International Conference on Robotics and Automation (ICRA), virtual, May 2020.
  13. N. Bira, Y. Menguc, and J.R. Davidson, “3D-printed electroactive hydraulic valves for use in soft robotic applications,” in Proc. International Conference on Robotics and Automation (ICRA), virtual, May 2020.
  14. J.R. Davidson and H.I. Krebs, “Characterization of an electrorheological fluid for rehabilitation robotics applications,” in Proc. ASME Conf. on Smart Materials, Adaptive Structures, and Intelligent Systems (SMASIS), Snowbird, UT, Sept. 2017, 7pp.
  15. J.R. Davidson, A. Silwal, C.J. Hohimer, M. Karkee, C. Mo, and Q. Zhang, “Proof-of-concept of a robotic apple harvester,” in Proc. IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (IROS), Daejon, Korea, Oct. 2016, pp. 634-639.
  16. J.R. Davidson, C.J. Hohimer, and C. Mo, “Preliminary design of a robotic system for catching and storing fresh market apples,” in Proc. Agricontrol 2016: 5th IFAC Conf. on Sensing, Control, and Automation for Agriculture, Seattle, WA, Aug. 2016, pp. 149-154.
  17. J.R. Davidson and C. Mo, “Mechanical design and initial performance testing of an apple- picking end-effector,” in Proc. ASME Int. Mechanical Engineering Congress and Exposition (IMECE), Houston, TX, Nov. 2015, 9pp.

Refereed Workshop Papers

  1. A. Velasquez Lopez, O. Gehrke, C. Grimm, and J.R. Davidson, “Air pressure servoing for robotic grasping with multi-cup suction grippers”, in IEEE/RSJ Int’l Conf. on Intelligent Robots and Systems (IROS) Workshop on: AI Robotics for Future Farming, Abu Dhabi, United Arab Emirates, Oct. 2024, 4pp.
  2. K.Y. Puente, M. Sadler, C.G. Wilson, and J.R. Davidson, “Can novice supervisors determine successful from unsuccessful grasps from tactile sensing?”, in IEEE Int’l Conf. on Robot and Human Interactive Communication (RO-MAN), Late breaking report, Pasadena, CA, Aug. 2024, 4pp.
  3. H. Kolano and J.R. Davidson, "Forecasting Vehicle Pitch and Roll of a Lightweight UVMS with Recurrent Neural Networks," in IEEE Int'l Conf. on Intelligent Robots and Systems (IROS): Workshop on Robotics for the Blue Economy and Climate Resiliency, Detroit, PA, October 2023.
  4. M. Cravetz and J.R. Davidson, “Slip detection for robotic fruit harvest,” in IEEE Int’l Conf. on Robotics and Automation (ICRA): Workshop on Agricultural Robotics and Automation, Philadelphia, PA, May 2022.
  5. K.Y. Puente, S.J. Walker, J.R. Davidson, and G.A. Hollinger, “Design and grasp planning for a reconfigurable variable stiffness underwater robotic hand,” in IEEE Int’l Conf. on Robotics and Automation (ICRA): Workshop on Compliant Robot Manipulation: Challenges and New Opportunities, Philadelphia, PA, May 2022, 3pp.
  6. M. Pickett, H. Kolano, J.R. Davidson, and A. Marburg, “Design of a robotic testbed for underwater manipulation research,” in IEEE Int’l Conf. on Robotics and Automation (ICRA): Workshop on Robotics for Climate Change, Philadelphia, PA, May 2022, 3pp.
  7. N. Bira and J.R. Davidson, “A low-cost, 3D-printed magnetorheological fluid clutch utilizing electropermanent magnet arrays,” in IEEE Int’l Conf. on Robotics and Automation (ICRA): Workshop on Leveraging Advancements in Smart Materials Science: Soft Robots Gaining New Abilities through Smart and Functional Materials, Philadelphia, PA, May 2022, 3pp.
  8. A. Velasquez, J.R. Davidson, and C. Grimm, “Learning to pick apples using an apple proxy,” in IEEE International Conference on Robotics and Automation (ICRA21) Workshop on Task-Informed Grasping: Agri-Food Manipulation (TIG-III), Virtual, June 2021.
  9. A. You, N. Parayil, C. Grimm, and J.R. Davidson, “Execution monitoring for robotic pruning using force feedback,” in IEEE International Conference on Robotics and Automation (ICRA21) Workshop on Task-Informed Grasping: Agri-Food Manipulation (TIG-III), Virtual, June 2021.
  10. M. Cravetz, C. Grimm, and J.R. Davidson, “State estimation of an underactuated gripper during robotic fruit picking,” in IEEE International Conference on Robotics and Automation (ICRA21) Workshop on Task-Informed Grasping: Agri-Food Manipulation (TIG-III), Virtual, June 2021.
  11. J.R. Davidson and H.I. Krebs, “Preliminary studies of variable impedance control with an electrorheological fluid device,” in Proc. Robotics: Science and Systems Conference Workshop on Human-Centered Robotics, Interaction, Physiological Integration, and Autonomy (RSS17), Cambridge, MA, July 2017.
  12. J.R. Davidson, C. Mo, A. Silwal, M. Karkee, J. Li, K. Xiao, Q. Zhang, and K. Lewis, “Human-machine collaboration for the robotic harvesting of fresh market apples,” in Proc. IEEE Int. Conf. on Robotics and Automation Workshop on Robotics in Agriculture, (ICRA15), Seattle, WA, May 2015.

Book Chapters

  1. M. Karkee, A. Silwal, and J.R. Davidson, “Mechanical Harvest and In-field Handling of Tree Fruit Crops,” in Automation in Tree Fruit Production, Principles and Practice, pp. 179-233, CABI, Editor: Qin Zhang, 2017.

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