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About

Heidi P. Feigenbaum is a mechanical engineer and materials scientist whose research sits at the dynamic intersection of soft robotics, biomimetic actuation, and smart materials. Her work centers on the development and modeling of artificial muscles — innovative actuators designed to replicate the remarkable properties of biological muscle systems for applications in robotics, prosthetics, and human-machine integration. Feigenbaum has made significant contributions to the field through her pioneering work on twisted polymer actuators (TPAs) and the invention of "cavatappi" artificial muscles — fluid-driven actuators fabricated from inexpensive polymer tubes that deliver both efficiency and power. Her 2021 paper introducing cavatappi actuators has already garnered 88 citations, while her comparative analysis of soft actuators versus biological muscles has attracted 77 citations, reflecting the field's appetite for rigorous foundational frameworks. Her earlier modeling work on TPAs established predictive tools that have guided subsequent research in thermally driven actuation. What distinguishes Feigenbaum's research is her dual commitment to experimental characterization and theoretical modeling, bridging material behavior with real-world engineering design. Her body of work has collectively shaped how researchers understand, evaluate, and develop the next generation of compliant, muscle-like technologies destined for human-centered robotic systems.