Actively Variable Transmission Robotic Leg


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Date

2024

Publication Type

Conference Paper

ETH Bibliography

yes

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Abstract

Quadrupedal robots consume large amounts of energy while walking or standing, limiting their range and operation time. Moreover, their design involves multiple trade-offs between conflicting requirements, reducing their flexibility and suitability for certain applications despite their advantages in rough and unknown environments. One of the root causes of this situation is the mismatch between the limited capabilities of the actuators and the wide range of requirements for these robots. This work introduces an actively variable transmission design intended to adjust the robot's characteristics according to its current mission requirements, resulting in more efficient power usage and longer operational times. We designed and built a single-leg prototype and tested it. Experimental results show a decrease of up to 50% in the power consumption of the knee actuator, confirming the theoretical analysis.

Publication status

published

Book title

Synergetic Cooperation between Robots and Humans

Volume

811

Pages / Article No.

40 - 51

Publisher

Springer

Event

26th International Conference series on Climbing and Walking Robots and the Support Technologies for Mobile Machines (CLAWAR 2023)

Edition / version

1st Edition

Methods

Software

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Date collected

Date created

Subject

Legged robot; Actuator design; Actively variable transmission

Organisational unit

Notes

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