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MF.SYS // NODE 04
[MF-DOC // VOL. IV] / The field guide to machines entering the real world.
MACHINE/FIELD

Independent coverage of machines that sense, move and act outside the laboratory.

EDITORIAL // FEATURED Editorial
[FEATURED] The Robot Is Not Ready. The Workflow Is.
MACHINE INDEX // 30 ENTRIES EDITORIAL ARCHIVE // UPDATED WITH EACH ISSUE

Search The Machinefield

Search physical robot teardowns, actuator dynamometer logs, company audits, failure logs, and field notes.

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SHOWING 30 MATCHING ENTRIES STATUS: 200 OK
[ARTICLE] FIELD INVESTIGATION // OBS-024 · SEP 2, 2026

The Robot Is Not Ready. The Workflow Is.

Inside three automotive and parcel sorting facilities: why humanoid pilot teams are stripping fine dexterity hands in favor of rigid ISO pin-gri

EDITORIAL — NOT FIELD-VERIFIED →
[ARTICLE] ACTUATORS & GEARS · AUG 29, 2026

Harmonic Drives vs. Cycloidal Reducers: Why Robot Joints Stutter Under Payload

A breakdown of flexspline fatigue, backlash tolerances, and why planetary designs are staging a comeback in dynamic walking. A breakdown of flex

EDITORIAL — NOT FIELD-VERIFIED →
[ARTICLE] MACHINE VISION · AUG 22, 2026

Why Pure Vision Locomotion Fails on Wet Polished Factory Concrete

When specular reflections eliminate ground texture features, optical flow sensors lose state estimation within 60 milliseconds. When specular re

ANALYSIS →
[ARTICLE] INCIDENT REPORT · AUG 2, 2026

How a $0.05 Zip Tie Destroyed a Biped's Hip Joint

Cable bundle friction, harness pinch points, and the reality of optical encoder loss. The $400k crash. Tension on the encoder wiring harness int

EDITORIAL — NOT FIELD-VERIFIED →
[ARTICLE] MYTH BUSTING · JUL 21, 2026

Why 5-Finger Hands Are Useless on Real Assembly Lines

Tendon friction and cable stretch require daily recalibration. 2-jaw parallel grippers won 96% of audited warehouse shifts. Tendon friction and

EDITORIAL — NOT FIELD-VERIFIED →
[ARTICLE] FIELD REPORT · AUG 29, 2026

Inside the New Race for General-Purpose Humanoid Knees

Why 4-bar linkage designs are replacing direct-drive outrunners in heavy bipedal frames. Why 4-bar linkage designs are replacing direct-drive ou

EDITORIAL — NOT FIELD-VERIFIED →
[ARTICLE] INCIDENT REPORT · AUG 24, 2026

What Happens When a Robot Fails in Public?

Forensic analysis of Figure 01's balance collapse at the Tokyo Logistics Expo and the safety interlock latency that caused it. Forensic analysis

EDITORIAL — NOT FIELD-VERIFIED →
[ARTICLE] TACTILE SENSING · AUG 18, 2026

Why Every Robot Needs a Better Memory Than 100 Hz Streaming

State estimation through slip-detection: why optical GelSight arrays struggle in greasy automotive environments. State estimation through slip-d

GITHUB REPO →
[ARTICLE] STARTUP RADAR · AUG 11, 2026

Robotics Startups Are Running Out of Easy Demos

VC term sheets are mandating 100-hour continuous unattended operation before Series B tranches unlock. VC term sheets are mandating 100-hour con

MARKET AUDIT →
[ARTICLE] FIELD GUIDE · AUG 4, 2026

A Field Guide to Robot Vision Systems

Comparing Stereo VIO, Event Cameras, and FMCW Solid-State LiDAR under harsh warehouse glare and steam. Comparing Stereo VIO, Event Cameras, and

EDITORIAL — NOT FIELD-VERIFIED →
[ARTICLE] RELIABILITY · JUL 28, 2026

From Lab Prototype to Warehouse Floor: The 1,000-Hour Threshold

What breaks first: Bearing brinelling, wire fatigue, or sensor optical degradation? What breaks first: Bearing brinelling, wire fatigue, or sens

EDITORIAL — NOT FIELD-VERIFIED →
[PROJECT] PROJECT LAB-09 // EDITORIAL BUILD LOG · $385.40

6-DoF Cycloidal Desktop Manipulator

A high-precision desktop manipulator utilizing standard 5010 drone outrunners, custom 11:1 3D-printed PETG-CF cycloidal reducers, and an ESP32 C

EDITORIAL — NOT BENCH-VERIFIED →
[PROJECT] PROJECT #LAB-08 · $64.00

Low-Cost Stereo Visual-Inertial Odometry Rig

Dual global shutter OV9281 cameras synchronized with BNO085 IMU for sub-centimeter indoor drone positioning.

EDITORIAL BUILD NOTE →
[PROJECT] PROJECT #LAB-07 · $118.00

CAN-Bus Gripper with Tactile GelSight

Elastomer gel pad with internal micro-camera for texture slip detection. V1 delaminated; V2 bonded with silane primer.

FAILED & REBUILT →
[PROJECT] PROJECT #LAB-06 · $890.00

Open-Source Quadruped Gait Generator

Convex MPC controller running in micro-ROS for 12-DoF quadruped robots navigating fractured asphalt.

IN PROGRESS →
[ROBOT] UNITREE // EDU & RESEARCH

Unitree G1 Biped

Compact 127cm biped designed for testing agile locomotion in university settings. Replaces hydraulic bulk with 43 high-torque brushless stators.

robot →
[ROBOT] FIGURE AI // COMMERCIAL

Figure 02 Logistics

Full-scale 168cm chassis tested in BMW sheet metal routing cells. Integrates speech-to-action policy with redundant spine bus cabling.

robot →
[ROBOT] K-SCALE LABS // DIY

Stompy Open Humanoid

Completely 3D-printable bipedal skeleton built using drone motors and carbon PETG gearboxes. Full CAD and kinematics pipeline on GitHub.

robot →
[COMPANY] COMPANY // ACTUATION

Unitree

Shenzhen-based platform vendor shipping research bipeds and quadrupeds with open low-level torque APIs.

company →
[COMPANY] COMPANY // LOGISTICS

Figure AI

Commercial humanoid vendor running BMW Spartanburg tote-transfer pilots with rigid ISO pin-grippers.

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[TECHNOLOGY] TECHNOLOGY // ACTUATION

Cycloidal Reducers

Cycloidal gear stages replacing planar harmonic flexsplines to cut backlash-induced micro-oscillations in walking joints.

technology →
[AUTHOR] Hardware Editor

Dr. Elena Vance

Hardware Editor // Former Kinematics Lead at KUKA. Editor-in-Chief of MACHINEFIELD.

author →
[AUTHOR] Field Investigations

Marcus Chen

Field Investigations // Ex-Tesla Automation. Stanford Robotics Lab contact-friction work.

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[AUTHOR] Peer Review

Prof. Kenji Takahashi

Academic Peer Reviewer // Kyoto Robotics Lab.

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[TOPIC] TAXONOMY // FIELD / 01

Humanoids & Embodied AI

The physical frontier where large vision-language-action policies meet rigid body dynamics. We track actuator thermals, contact force limits, ed

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[SIGNAL] [FEATURED] · Desk note

The Robot Is Not Ready. The Workflow Is.

The Robot Is Not Ready. The Workflow Is.

signal →
[SIGNAL] [EXPLAINER] · Explainer

Harmonic Drives vs. Cycloidal Reducers: Why Robot Joints Stutter Under Payload

Harmonic Drives vs. Cycloidal Reducers: Why Robot Joints Stutter Under Payload

signal →
[SIGNAL] [EXPLAINER] · Explainer

Why Pure Vision Locomotion Fails on Wet Polished Factory Concrete

Why Pure Vision Locomotion Fails on Wet Polished Factory Concrete

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[SIGNAL] [LAB] · Lab note

CAN-Bus Gripper with Tactile GelSight

CAN-Bus Gripper with Tactile GelSight

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[SIGNAL] [FAIL] · Failure log

How a $0.05 Zip Tie Destroyed a Biped's Hip Joint

How a $0.05 Zip Tie Destroyed a Biped's Hip Joint

signal →