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Four-Legged Walking Robot, Steering and Turning Using Phase Control

Tomer Maizel, Izhak Bucher, Eyal Baruch, Yoav Vered, Harel Plat

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Presented is a 4-legged walking robot. Unlike classical models, which require extensive actuation to walk, this robot achieves precise steering using 2 motors. Each motor controls a Theo-Jansen-like mechanism consisting of 2 legs. It is shown that the relative phase between the 2 motors determines the turning rate and direction of movement of the robot. The legs of the robot were designed using a model optimization algorithm, based on the desired trajectory of the legs. A quasi-static kinematic model was developed to predict the trajectory of robot and validate the control process, which is based on the relative phase between the motors. The model is verified via simulations, and a robot was constructed to demonstrate its movement and control process experimentally.

Original languageEnglish
Title of host publicationAdvances in Service and Industrial Robotics - RAAD 2022
EditorsAndreas Müller, Mathias Brandstötter
PublisherSpringer Science and Business Media B.V.
Pages528-535
Number of pages8
ISBN (Print)9783031048692
DOIs
StatePublished - 2022
Event31st International Conference on Robotics in Alpe-Adria-Danube Region, RAAD 2022 - Klagenfurt, Austria
Duration: 8 Jun 202210 Jun 2022

Publication series

NameMechanisms and Machine Science
Volume120 MMS

Conference

Conference31st International Conference on Robotics in Alpe-Adria-Danube Region, RAAD 2022
Country/TerritoryAustria
CityKlagenfurt
Period8/06/2210/06/22

Keywords

  • Compliant mechanism
  • Phase control
  • Theo-Jansen mechanism
  • Walking robot

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering

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