Profilometer Checklist.pdf

PROFILOMETER Checklist Form

Note: Each item in black is the threshold required for a functioning system, the items in blue are objectives that exceed the threshold but are not mandatory to meet the threshold.

I. Prime Mover Requirements ☐ Can traverse off-road terrain with ≥ 24° breakover, 27° approach/departure angles, and 280 mm ground clearance

☐ Can exceed 25° breakover, 30° approach/departure angles, and 300 mm ground clearance

☐ Traverses secondary/cross-country roads per TOP-01-1-010 and TOP-01-1-011

☐ Includes 4WD, locking transfer case, and front/rear locking differentials

☐ Protected from debris and road features with skid plates

☐ Skid plates cover oil pan, transmission, transfer case, fuel tank, and body

☐ Cab accommodates 2 occupants with climate control and < 75 dB noise

☐ Cab accommodates 3 occupants, climate control, and < 60 dB noise

☐ Operable on public roads per Maryland Title 24, ≤ 8 ft wide with sensors

☐ Washable with 75 psi, 25 gpm in military wash rack without water ingress

☐ Operates after 3 months storage in non-climate-controlled facility

☐ Operates after > 3 months storage in non-climate-controlled facility

☐ Maintenance limited to ATC fleet facility; naturally aspirated gas engine

☐ Meets test course speeds while scanning:

- Paved (70-150 IRI) @ 55 mph

- Secondary (250–700 IRI) @ 35 mph

- Cross-country (800–1500 IRI) @ 20 mph

- Trails (5000+ IRI) @ 5 mph

☐ Backup camera included if rear visibility is obstructed

☐ Includes STANAG 4478-compliant recovery provisions

☐ Equipped with 35” off-road tires and driveline/suspension mods as needed

NOTES:

II. Sensor Requirements ☐ Controls (arm/disarm, GUI, E-stop) operable from driver’s seat by 95th percentile male / 5th percentile female

☐ External armed indicators visible per ANSI Z136.1

☐ Instrumentation securely mounted for off-road shock & vibration (MIL 810H)

☐ Assembly/disassembly by 2 people within 4 hrs using standard/specialty tools

☐ Assembly/disassembly by 1 person within 4 hrs using standard/specialty tools

☐ Continuous recording for ≥ 4 hours

☐ Continuous recording for > 5 hours

☐ Operates without internet; records to removable media

☐ Compensates for compressible soil along two wheel paths

☐ Compensates for compressible soil across entire test course

☐ Provides common 1 kHz time basis signal (e.g., TTL pulse)

☐ Produces valid scans at 5 mph

☐ Produces valid scans at 1 mph

☐ Includes GPS/INS to correct sensor platform motion

☐ Manuals, parts/tools lists, and sources of supply provided

☐ Scan width ≥ 12 feet

☐ Scan width adjustable between 12–20 feet

☐ IP65 environmental protection

☐ IP67 environmental protection

☐ 40 samples/ft at 5–55 mph scanning frequency

☐ 80 samples/ft at 1–65 mph scanning frequency

☐ All instrumentation operable via GUI at driver’s seat

☐ Establishes fixed reference for long-term elevation tracking

☐ Detects small features (ruts, rocks) with 1 mm precision at 10 mph

☐ Detects small features with 0.5 mm precision at 5 mph

☐ Detects large features (potholes, humps) with 10 mm precision at 5 mph

☐ Detects large features with 5 mm precision at 5 mph

☐ Detects long-distance grades with 20 mm precision (up to 3000 m)

☐ Detects long-distance grades with 10 mm precision (up to 3000 m)

☐ Includes necessary safety equipment (PPE, sensor covers)

III. Data Requirements ☐ Exports data in non-proprietary formats (e.g., .csv)

☐ Data visualization/reporting within 24 hours

☐ Data visualization/reporting within 10 hours

☐ Software integrates IMU data to correct scan for vehicle motion

☐ Data includes full GNSS, INS, vehicle position, and sensor measurements

☐ Additional relevant data provided to include:

GPS Time

Latitude

Longitude

Ellipsoidal height

Northing

Easting

Roll Angle

Pitch Angle

Kappa Angle

Heading Angle

Euler Angles

Distance from scanning equipment to ground

X, Y, and Z displacement coordinates of prime mover compared to a reference point

X, Y, and Z coordinates measured by scanning instrumentation

☐ Errors from course conditions can be visualized and corrected

☐ Software generates 3D renderings of full width and ≥ 100 ft length

☐ 3D renderings of full width and full course length

☐ Automatically detects features (potholes, ruts, washboards) with user-defined settings

☐ Detects water-filled potholes or similar features

☐ Software is Army Golden Master (AGM) compliant

☐ GUI displays data collection status, INS health, and scanner activity at the driver’s seat.