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AgricultureSoil Mechanics

Semi-Autonomous Robotic Sampler for Explosives Residues in Surface Soils

Authors: James H. Lever; Thomas Nichols; Daniel Denton; Ryan Meador; Allison Morlock; ENGINEER RESEARCH AND DEVELOPMENT CENTER HANOVER NH COLD REGIONS RESEARCH AND ENGINEERING LAB
Abstract:
A 25-kg, dual-track robot was built to satisfy the sampling protocol for surface explosives residues in soils. A rotary-tube cutter takes fairly consistent samples in a variety of soil conditions. Each sample bag holds about 30 samples to form a composite that represents the sampled area. An onboard carousel holds six bags: five composite samples and a sixth bag to clean the tube to minimize cross-contamination. We designed the robot to operate autonomously to collect a composite sample, log the coordinates of the area sampled, complete a composite within about 20 minutes, and operate without intervention for about 2 hours. A person may tele-operate the robot between sampling areas and to and from a base station where batteries and sample bags may be replenished.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Technical rept.
Pages: 24
Report Date: JUN 2004
Report Number: A539324
Keywords relating to this report:
*RESIDUES
*ROBOTS
*SOIL REMEDIATION
CONSISTENCY
CONTAMINATION
EXPLOSIVES
MILITARY FACILITIES
SAMPLING
SURFACES
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