Radar Based Collision Avoidance in Mining Environments [Success Story]

Radar Based Collision Avoidance Image

R-GAGE™ adjustable field radar sensors deployed on the front and back of dump trucks used at a surface mining site are an integral component in the vehicle’s collision avoidance system

Customer Requirements: Blind spot object detection for large vehicles

Solution: R-GAGE™ QT50RAF radar-based sensors

Why Banner? Ease of Setup – Protected DIP switches enabled quick onboard adjustment of sensing distance, sensitivity and output.

Flexible Range – Adjustable sensing area of up to 15 m minimized false alerts caused by background objects outside of blind spots.

Total Cost – Radar sensors provided active object detection capability without expense or downtime of more complex systems


Customer Benefits

Accident Reduction – Object detection with system alerts provided operators with time to respond to hazards and avoid collisions


A single accident at a surface mining site can have devastating consequences for personnel, machinery and an entire operation. Collision avoidance systems can help mine operators minimize the risk of accidents and injury and can translate into cost reductions and efficiency improvements.


Diminished visibility plays a significant role in many mining accidents. The size and power of excavating equipment leaves little room for error. Blind spots can be quite large and located on all sides of a vehicle. Dust, dirt and debris raised during excavation can have a detrimental effect on visibility and equipment performance. Weather conditions, such as wind, rain and snow are additional complications.


To help overcome these challenges, a supplier of heavy equipment to the mining industry installed R-GAGE™ QT50RAF radar-based sensors at the front and rear of their dump trucks. The sensors provide active object detection in vehicle blind spots without costly or time consuming alterations to existing collision avoidance devices.

The sensors emit fan-shaped beams of high frequency radio waves. To avoid false alerts, each sensor was configured to create a sensing area corresponding to its blind spot, ignoring objects outside that area. Objects entering the sensing area alter the time delay of the return signal, triggering indicator lights to illuminate. An on-board video monitoring system allows the operator to check for any obstructions.

Conditions that would have challenged other sensing technologies, like ultrasonic sensors used in consumer vehicles, were not an issue for the R-GAGE sensors. The radio waves are impervious to dirt, dust, wind, rain and other environmental challenges at the site. Each sensor is protected by a rugged IP67-rated housing, which ensures reliable operation, even when covered in caked-on mud.

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