Tempe, Arizona, United States
• Developed an impedance controller using ROS, C++, Python, PyTorch, Scikit-Learn, Pandas, and Fast Robotic Interface (FRI) that enhances overall performance of coupled human-robot systems by utilizing Autoregressive Neural Network for future coupled state predictions. Deployed and tested it on a 7-DOF KUKA LBR iiwa820 robotic arm.
• Implemented state machines using Python library SMACH to execute complex robot behavior, drive the experiment protocol and explicitly control state transitions across the entire ROS framework.
• Developed alternate prediction methods traditionally used in pHRI like circle fitting and linear fitting to emphasize the robustness and accuracy of the proposed controller. The controller and framework achieved a 25% increase in stability and 40% increase in overall performance, quantified by overshoot, mean speed, smoothness, user effort and restoring force.