Ground Penetrating Radar (GPR) systems - GSSI

 

YETI Research Project

Ground Penetrating Radar Research

  • Overview
  • Autonomous Vehicles
  • YETI-Darmouth College
  • Rutgers Bridge Project

Advancing into New Frontiers with Cutting-Edge Research

Geophysical Survey Systems, Inc (GSSI) was literally born in an atomic explosion nearly 40 years ago when the Atomic Energy Commission was testing and monitoring atomic bombs in New Mexico. It is through this experimentation and, frankly, a bit of luck that GPR exists as it does today. For that reason, we understand the importance of maintaining involvement in quality research projects. It is our company’s mission to be at the forefront of emerging uses in which GPR and EM technologies are employed.

MIT Lincoln Laboratory and GSSI Working Together

MIT Lincoln Laboratory has reached agreement with Geophysical Survey Systems, Inc. (GSSI) to develop commercial prototypes of a technology that helps autonomous vehicles navigate by using subsurface geology.

Current navigation methods for autonomous vehicles include multiple sensors that scan the surface features of the road and its environment. Among the many technologies used, such as LIDAR, RADAR, cameras, and GPS, and their various subsystems, each instrument provides various grades of accuracy, consistency, and availability. Each of which, require the successful mapping of surface details.

LGPR, if proven successful, will offer an alternative technology whose data is relatively immune to weather conditions; is generally unchanging, since it measures subsurface soils and geology; and is independent of the above-ground references on which other modalities depend.

More information: Using (LGPR) for Autonomous Vehicle Navigation

MIT Lincoln Labs and GSSI Press Release

MIT Lincoln Labs and GSSI research Localized GPR for Autonomous Vehicles

Yeti Meets World - Robotic Exploration Making History

Students from Dartmouth's Thayer engineering school are building an autonomous robot that will be used to perform ground penetrating radar surveys in Antarctica. This project was made possible by working with Professor Laura Ray and Steve Arcone at the Cold Regions Research and Engineering Laboratory and funded under a grant from NASA's Jet Propulsion Laboratory.

From the beginning, the students, who included Augusta Niles, Eric Trautmann, Scott Newbly, Drew Branden and Michael Zargham, kept a blog to update spectators of their progress and the challenges they faced. Already, the team has done preliminary testing in Greenland. The robot is an ongoing project expected to be completed in the 2009 academic year.

GSSI became a corporate sponsor of this project in late November of 2007, donating a SIR 3000 to the undergraduate project as well as inviting the students to our headquarters in New Hampshire for GPR training in January 2008.

If you would like more information about this amazing project, please visit: http://yetibot.blogspot.com/

Dartmouth students working on Yeti Project

Dartmouth students working on Yeti Project

Rutgers Bridge Project - CAIT and GSSI Working Together

Bridge deck monitoring is an essential component of early stage deterioration detection, whether the deterioration manifests itself through material degradation or defect generation. One of the most common problems in concrete bridge decks is corrosion-induced deck delamination. It is imperative that methods used in bridge deck condition assessment be accurate, rapid and nondestructive. The Center for Advanced Infrastructure and Transportation (CAIT) at Rutgers University is establishing geophysical methods to conduct bridge deck condition assessments in their research.

Geophysical methods successfully overcome the limitations of chain dragging and hammer sounding in the ability to detect early signs of bridge deck deterioration and delamination, and the ability to quantify the degree of deterioration.

For more information on this project, please read the Comparative Study of Bridge Deck Condition Assessment by High Frequency GPR by Nenad Gucunski, Carl Rascoe, Robert Parrillo and Roger Roberts, or visit http://www.cait.rutgers.edu/

 

 
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