HackIllinois 2026

ARRAI

AI-assisted inspection for Caterpillar field teams.
Upload video. Detect anomalies. Generate reports. All locally.

The Problem

Every missed defect is a ticking clock.

Field inspectors carry decades of expertise — but they are overloaded. Paper forms, tight schedules, and human fatigue mean critical issues slip through. When a hydraulic line fails at a mine site, the cost isn't just financial — it's operational. It's safety.

$260K+

Average cost per hour of unplanned heavy-equipment downtime

23%

Of critical defects missed during manual visual inspections

4.5 hrs

Spent daily on paperwork per field inspector, not on machines

“I know what a bad bearing sounds like. But after ten machines in 110-degree heat, I'm not catching everything. I just need a second pair of eyes — and ears.”

— Marcus T., Field Inspector, 18 years

The Workflow

Four steps. Zero guesswork.

From field recording to finished report, ARRAI keeps the inspector in control while AI handles the heavy lifting.

Multimodal Intelligence

Eyes and ears. Working together.

ARRAI doesn't just watch — it listens. Video and audio analysis run in parallel, each providing evidence the other can't.

Vision

Frame-by-frame motion analysis

Belt misalignmentHigh
Vibration spikeHigh
Frame crack detectedMedium
Guard missingHigh

Sound

Spectrogram anomaly detection

Bearing wear2.4 kHz
High
Hydraulic whine800 Hz
Medium
Knock pattern120 Hz
Low

Human-in-the-loop. AI surfaces the issues. Inspectors make the call. Full control.

The Dashboard

Everything in one place.

Upload, review, and export — without switching tools. The ARRAI dashboard is built for speed and clarity.

arrai-web.vercel.app
ARRAI
MediaForm

Drop MP4/MOV

Files

CAT-320_walkround.mp4
hydraulic_bay_check.mov
engine_startup_03.mp4

CAT-320_walkround.mp4

Findings

Vibration anomaly
Bearing noise detected
Belt wear visible
Guard clearance low

Health Score

72

Moderate — review recommended

Impact

Numbers that move the needle.

0%

Reduction in inspection time

0x

More consistent defect detection

0%

Automated inspection reports

Inspections become intelligence.