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X-ray Scanning Rover opens a new level of remote access to bomb techs

From conflict zones to airports to sporting events, bombs pose dangers for innocent civilians as well as the bomb technicians who regularly risk their lives to investigate suspicious objects and render the devices safe. Technology solutions can help first responders to see hidden dangers.

To this end, the Department of Homeland Security Science and Technology Directorate’s First Responders Group (FRG) is developing the X-Ray Scanning Rover (XSR) to be a responder’s eyes. It quickly and accurately scans packages and bags for leave-behind improvised explosive devices (LBIED) while keeping responders out of harm’s way.X-ray Scanning Rover demonstrates capabilities by scanning a suitcase.

While other handheld scanning systems require multiple images to be stitched together, The XSR provides a complete 3-D, multi-view picture of the entire object being scanned in real time, saving first responders precious time. This technology offers an alternative to other large, bulky, expensive options that may have limited ability to operate in remote areas or rough terrain.

“One of the advantages of this system is that it can process images at a very fast speed,”  FRG XSR Program Manager Christine Lee said. “The X-Ray Scanning Rover takes one continuous scan, and then responders have a clear, high resolution picture of any potential threats in real time. This saves valuable time in scanning objects during critical situations.”

The XSR meets another requirement of the bomb squad community by embedding the detection technology within the bomb squad’s current robotic operating systems – this means they don’t have to buy an additional robot.

Whether being used at a roadside checkpoint, a national landmark or at a public gathering, the XSR deploys easily in multiple environments to provide security screening when needed.

Presently, FRG is integrating the XSR onto existing, commercially-available, midsize robots that are widely used by civilian bomb squads by mounting the X-ray generator onto the sensor-tool bracket of the robotic arm. In order to fully free up the robotic arm for other use, a design approach is being pursued to deploy the X-ray generator on the ground after the object or LBIED has been scanned.

Unlike most existing scanners that use pulsed X-ray energy for detection, the XSR robot features a continuous, fan-shaped operating X-ray beam, permitting a higher degree of penetration through dense packaging.

The prototype also includes 3-D coordinates that mark the location of an explosive device within a suspicious package, a capability previously not found in scanners.X-ray Scanning Rover drawing shows the robot arm holding the scanning generator as it scans a suitcase.

“The project offers new ways to serve on a multi-capacity level,” Lee explained. “This will go a long way to provide a viable option for bomb threat responders.”

FRG met with subject matter experts in August 2015 for a critical design review. The feedback obtained from the review will be incorporated into two new prototypes, which FRG expects to be ready by summer of 2016. The prototypes will be delivered to selected bomb squad units across the U.S. for field testing.


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