Mobile Equipment... 

Darpa Urban Grand Challenge

Application

GSM20 linear actuators from Exlar provide the actuation for acceleration and braking in unmanned vehicles for DARPA Challenge.

Customer

SoftThought Inc. autonomous vehicle developer.

The Challenge

The DARPA Urban Challenge is an autonomous vehicle research and development program with the goal of developing technology that will keep warfighters off the battlefield and out of harm’s way. The Urban Challenge features autonomous ground vehicles maneuvering in a mock city environment, executing simulated military supply missions while merging into moving traffic, navigating traffic circles, negotiating busy intersections, and avoiding obstacles.   

An autonomous ground vehicle is a vehicle that navigates and drives entirely on its own with no human driver and no remote control. Through the use of various sensors and positioning systems, the vehicle determines all the characteristics of its environment required to enable it to carry out the task it has been assigned.  

From the United States Congress: “It shall be a goal of the Armed Forces to achieve the fielding of unmanned, remotely controlled technology such that… by 2015, one‐third of the operational ground combat vehicles are unmanned.”  

DARPA conducts the Urban Challenge program in support of this Congressional mandate. Every “dull, dirty, or dangerous” task that can be carried out using a machine instead of a human protects our warfighters and allows valuable human resources to be used more effectively.

Exlar Brochure Autonomous Vehicle DARPA 1

The Solution

Exlar’s compact linear actuators and rotary motor provided the ideal solution to keep the weight down and consume as little space as possible in the SOLO Autonomous Ground vehicle designed by SoftThought Inc. for the DARPA challenge. With standard products that pass the rigorous requirements of military shock and vibration testing, Exlar’s actuators and motors also had the reliability required for this arduous challenge. 

Exlar Brochure Autonomous Vehicle DARPA 2

Energy Efficiency

Compact

High Strength

Long Life

Results

GSM20 linear actuators from Exlar provided the actuation for acceleration and braking. With the industry’s most compact form factor in a linear actuator, the GSM20 fit easily in to the application without consuming the large amount of space of a competitor’s actuator. Exlar’s SLM090 rotary motor serves as the rotary steering actuator. With the highest torque density and the highest power efficiency available on the market in a brushless motor, along with the reliability of military grade applications, the SLM was also ideally suited for this challenging application.

Optimise your application with linear or rotary actuators from Exlar.  Inquire about our Tritex Series which contains all of the items for a complete Motion system ‐ actuator, motor, power and control electronics all in one compact sealed housing.

Further Information
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