Jiefeng Sun

About

Jiefeng Sun is an innovative robotics researcher whose work spans soft robotics, bio-inspired mechanisms, and adaptive robot design. He is best known for pioneering elastic instability-based approaches to overcome one of soft robotics' most persistent challenges: limited speed and force output. His landmark 2020 paper on spine-inspired soft robots—now cited nearly 480 times—established a transformative design paradigm leveraging bistable mechanics to achieve load capacities exceeding 11 kg, setting a new benchmark for high-performance soft systems. Sun has made equally significant contributions through his exploration of twisted-and-coiled actuators (TCAs), developing innovative frameworks for programmable motion, embedded shape morphing, and integrated self-sensing—reducing the need for separate sensing hardware in soft robots. His compliant bistable gripper for aerial perching elegantly addresses energy limitations in small flying robots, while his reconfigurable walking robots draw inspiration from biological multifunctionality to enable miniature robots to adapt across tasks. With over 800 cumulative citations, Sun's research consistently bridges fundamental mechanics with practical robotics applications, influencing areas from biofluid manipulation to aerial robotics. His body of work represents a compelling vision for the next generation of adaptive, high-performance robots capable of functioning intelligently across diverse environments.

Research Focus

Key Achievements

Top Papers

1. 1
   Leveraging elastic instabilities for amplified performance: Spine-inspired high-speed and high-force soft robots

   479 citations · 2020
2. 2
   Twisted-and-Coiled Actuators with Free Strokes Enable Soft Robots with Programmable Motions

   95 citations · 2020
3. 3
   Embedded shape morphing for morphologically adaptive robots

   82 citations · 2023
4. 4
   Compliant Bistable Gripper for Aerial Perching and Grasping

   59 citations · 2019
5. 5
   An Adaptive Walking Robot With Reconfigurable Mechanisms Using Shape Morphing Joints

   31 citations · 2019
6. 6
   Tuning the Energy Landscape of Soft Robots for Fast and Strong Motion

   22 citations · 2020
7. 7
   Integrated Actuation and Self-Sensing for Twisted-and-Coiled Actuators with Applications to Innervated Soft Robots

   14 citations · 2020
8. 8
   Embedded and controllable shape morphing with twisted-and-coiled actuators

   13 citations · 2018
9. 9
   On-demand, remote and lossless manipulation of biofluid droplets

   7 citations · 2022
10. 10
    A Novel Passive Mechanism for Flying Robots to Perch onto Surfaces

    7 citations · 2022

Key Collaborators

Contact & Links