Humanoid & robot atlas
ESCHER
Photo: Master Chief Petty Officer John Williams, Public domain, via Wikimedia Commons. Background removed by Simbeing
RetiredUnited States

Virginia Tech TREC Lab · research humanoid

ESCHER

The Electric Series Compliant Humanoid for Emergency Response, a student-built, compliant-actuator biped that competed in the 2015 DRC Finals; IEEE Spectrum describes it as an upgrade of THOR.

Price
—Not published
Height
—Not published
Weight
—Not published
Payload
—Not published
Speed
—Not published
Battery
—Not published

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Why it matters

A retired humanoid from Virginia Tech TREC Lab (Team VALOR).

Real-world use

No customers or deployments reported yet.

Timeline

First shown
2015-06
Released
Not yet
DARPA Robotics Challenge Finals, Pomona

Maker

Virginia Tech TREC LabUniversity lab · Blacksburg, United States

US Office of Naval Research (SAFFiR); DARPA Robotics Challenge (Team VALOR)

Public attention

A historic robot: no longer sold or in use, so it is not ranked against current humanoids.

  • No Wikipedia article of its own yet
  • 1 news story from reputable press listed on this page

Measures how much people read and write about a robot, not how good it is. Measured 2026-10-14; same method for every robot. How it is measured

What’s inside

The parts the company has talked about publicly.

Hands
simple
Movement
Walks on legs
Actuators & motors
Custom linear series elastic actuators in single and dual-actuator configurations, giving a fully force-controlled electric humanoid.
AI & software
Whole-body control framework for compliant walking on shifting terrain, with a high-level layer built on ROS and open-source packages.
Other details
ESCHER stands for Electric Series Compliant Humanoid for Emergency Response; it capped four years of Virginia Tech work after SAFFiR and THOR. At the DRC Finals it walked the 61 m loose-dirt course but Team VALOR scored 0 points (20th).

Named suppliers:ROS (Open Robotics)

Lineage

Every Virginia Tech TREC Lab (Team VALOR) humanoid in order.

  1. THOR / SAFFiRTHOR / SAFFiR2014Retired
  2. ESCHERESCHER2015Retired

Watch ESCHER

Video: Virginia Tech (@virginiatech) on YouTube. Plays from youtube-nocookie.com when you press play.

Made, sold and where

Unit counts are usually company figures; analysts often disagree.

Price
Not published
How to get one
No official buying page found
Sold or delivered
Never sold
Where it is sold or used
United States

News

The latest 1, newest first. Summaries are ours; tap through for the original.

  1. ESCHER competes at DRC Finals

    Team VALOR's ESCHER competed at the DARPA Robotics Challenge Finals; the team's paper documents its hardware, control software and competition runs.

    Team VALOR / Journal of Field Robotics

Side by side with its peers

Picked by the same rules for every humanoid: another maker’s robot that moves the same way, is at the same stage and does at least one of the same main jobs, first shown within two years. Closer size and price rank higher. How we choose

Full comparison

Sources

Figures come from public sources. Every link below backs something on this page.

Virginia Tech News 2 College of Engineering robotics teams prep for DARPA Robotics Challenge finale IEEE Spectrum Virginia Tech's Robots Will Save You From Disasters University of Technology Sydney OPUS Team VALOR's ESCHER: a novel electromechanical biped for the DARPA Robotics Challenge (Knabe et al., Springer STAR vol. 121, 2018) Team VALOR / Journal of Field Robotics Team VALOR's ESCHER: A Novel Electromechanical Biped for the DARPA Robotics Challenge

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