Design and control of compliant tensegrity robots through simulation and hardware validation

Area of Science:

• Robotics
• Biomechanical Engineering
• Computational Mechanics

Background:

• Tensegrity structures, characterized by tensile integrity, are prevalent in biological systems.
• Their unique properties offer advantages for robots interacting with unpredictable environments.
• Designing and controlling tensegrity robots presents significant challenges due to their complex nature.

Purpose of the Study:

• To develop and validate software tools for the analysis, simulation, and design of tensegrity robots.
• To present a comprehensive system for designing actuated tensegrity structures.
• To address the challenges in designing and controlling spherical tensegrity robots for locomotion.

Main Methods:

• Development of two software environments for tensegrity robot analysis and simulation.
• Creation of novel control methodologies for mobility and terrain interaction.
• Validation of simulation accuracy using a hardware prototype (Reservoir Compliant Tensegrity Robot).

Main Results:

• Successful simulation of spherical tensegrity structures with novel control approaches.
• Demonstrated effectiveness of the developed software and control system.
• Empirical validation of simulation results through a physical tensegrity robot prototype.

Conclusions:

• The developed system provides a pathway for designing and controlling actuated tensegrity structures.
• The research advances the application of tensegrity principles in robotics, particularly for spherical designs.
• The validated tools and methods facilitate the creation of bio-inspired robots capable of complex locomotion and environmental interaction.