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Related Experiment Video

Updated: May 17, 2026

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
11:53

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy

Published on: October 14, 2017

A Multimodal Variable-speed Microrobot With Asymmetric Multilayer Structure for Moving Agility and Adaptability.

Guozhen Li1, Yang Yang1, Wei Peng1

  • 1Intelligent Game and Decision Laboratory, Beijing, China.

Small (Weinheim an Der Bergstrasse, Germany)
|May 15, 2026
PubMed
Summary
This summary is machine-generated.

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Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically described...

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This study introduces a new soft piezoelectric microrobot capable of multimodal locomotion and variable speeds. This agile robot navigates complex environments and demonstrates robust performance across various conditions.

Area of Science:

  • Robotics
  • Materials Science
  • Biomimetics

Background:

  • Animals exhibit adaptable locomotion for survival, a capability challenging to replicate in soft microrobots.
  • Integrating multimodal locomotion with variable speeds is a significant hurdle in soft microrobot development.

Purpose of the Study:

  • To develop an agile soft piezoelectric microrobot with multimodal locomotion and variable speeds.
  • To address the challenge of integrating adaptable locomotion in microrobots for complex environments.

Main Methods:

  • Designed an asymmetric multilayer structure with passive layers to control motion modes.
  • Utilized different resonance frequencies to achieve distinct locomotion modes and speeds.
  • Fabricated and tested a prototype soft piezoelectric microrobot.
Keywords:
agility and adaptabilityasymmetric multilayer structuremultimodal locomotion with variable speedssoft piezoelectric microrobot

Related Experiment Videos

Last Updated: May 17, 2026

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
11:53

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy

Published on: October 14, 2017

Main Results:

  • The microrobot achieved speeds of 20.6 and 43.2 body lengths per second in different modes.
  • Demonstrated locomotion stability over a wide temperature range and robustness to compression.
  • Successfully performed tasks including climbing slopes, enhancing load-carrying speed, escaping traps, and traversing rugged terrain.

Conclusions:

  • The asymmetric multilayer structure enables multimodal locomotion and variable speeds in soft microrobots without added fabrication or control complexity.
  • This design offers a promising solution for creating adaptable and agile microrobots for diverse applications.
  • The robot's performance surpasses many existing multimodal soft robots, approaching animal-level agility.