Hiroyuki Harada

About

Hiroyuki Harada is a pioneering roboticist whose work focuses on bio-inspired locomotion and smart actuator control. He is best known for developing an earthworm robot that uses a shape memory alloy (SMA) and a braided tube to replicate peristaltic motion, enabling movement through confined spaces—a breakthrough for search-and-rescue and medical robotics. His most cited paper (2009, 19 citations) details this design, leveraging the BioMetal Helix as a muscle-like actuator. Harada has also advanced SMA actuator control, introducing electrical-resistance feedback for self-sensing displacement under load disturbances (2017, 3 citations), improving reliability in flexible robots. Beyond soft robotics, he has contributed to high-performance rigid body simulation for modular robots (2017, 2 citations) and refined propulsion mechanisms based on inertial force (2006, 5 citations). His work bridges material science and mechanical engineering, offering practical solutions for adaptive, lightweight robots. With a career spanning over a decade, Harada’s innovations in SMA-driven systems continue to inspire new generations of bio-inspired and soft robotic designs.

Research Focus

Key Achievements

Top Papers

1. 1
   Development of an Earthworm Robot with a Shape Memory Alloy and Braided Tube

   19 citations · 2009
2. 2
   Improvement of Propulsion Mechanism based on the Inertial Force

   5 citations · 2006
3. 3
   Modeling and electrical-resistance feedback control of SMA actuators adapting to load disturbance

   3 citations · 2017
4. 4
   High performance rigid body simulation of modularized robots using constraint-based models

   2 citations · 2017
5. 5
   Development of the Earthworm Robot using a Shape Memory Alloy

   2 citations · 2006

Key Collaborators

Contact & Links