Battlefield Extraction-Assist Robot

Lore & Background

Vecna Robotics began developing the BEAR in 2005 at its Cambridge Research Laboratory near Boston, Massachusetts. The robot underwent nine stages of development, with features added over time including explosion- and fire-resistant treads and battery, enhanced dexterity, an aluminum frame replaced with a steel frame (four times stronger), independent legs, and steel framing around hydraulic lines and battery. Initial lift capacity of 360 lbs was improved to 520 lbs. The BEAR was tested at Fort Benning, Georgia at the U.S. Army Infantry Center Maneuver Battle Lab with soldiers; in 2010 soldiers worked with the robot to develop tactics and test its effectiveness in combat scenarios. Kenny Robotics wrapped up development and testing for applications on and off the battlefield in 2011.

Reader's Guide

The BEAR's significance lies in its ability to remove human medics from direct fire while extracting wounded soldiers. Its humanoid form, with a teddy bear face designed for comfort, and Dynamic Balance Behavior technology allow it to carry heavy loads over rough terrain and stairs. The robot's control systems evolved from direct remote operation to accepting high-level commands like 'go to this location' and asking for help when unable to complete a task. Additional control methods include the iGlove motion-capture glove and the Mounted Force Controller, a rifle grip for M4 carbine. Sensors include infrared, night vision, optical cameras, a microphone, touch/pressure sensors on hands, and chemical/biological agent detectors. The BEAR's hands are precise enough to grasp an egg without breaking it. Beyond medical extraction, applications include search and rescue, transporting supplies, clearing obstacles, handling hazardous materials, reconnaissance, and inspecting for mines and IEDs. The project received funding from Vecna internal R&D, U.S. military branches, DARPA, and a $1 million congressional grant in 2007.

Did You Know?

• The BEAR's steel torso can exert up to 3000 psi of hydraulic pressure.
• The robot's tracked legs initially ran for one hour; later battery developments doubled that to two hours.