Yale Reliant Operator Assist Solution


Yale announces an industry-first suite of operator assistance technologies that warehouses can use to help reinforce lift truck operating best practices. The Yale Reliant solution automatically adjusts lift truck performance based on proximity to pedestrians and obstacles, load weight, equipment status, and location-specific rules. The solution triggers audible and visual alerts to inform operators of proper operating protocols and initiates lift truck performance reduction based on facility-specific rules while leaving the operator in control of the equipment.


In practice, this suite of technologies enables a broad range of functionality. For example, warehouses can set the desired following distance between equipment, and Yale Reliant can automatically limit the speed to maintain proper distance. Operations can implement location-based rules to limit travel speed at the end of aisles, exclude equipment from pedestrian-heavy zones, and much more. It also can apply performance controls in a variety of scenarios based on truck sensors and inputs, such as restricting travel and lift functions if a load exceeds the weight limit and reducing cornering speed to avoid upsetting stability.


The solution provides proximity detection through either local or real-time location technologies that use tags on equipment, pedestrians, and infrastructure to provide truck-to-truck, truck-to-pedestrian, and truck-to-beacon detection. For further awareness, including objects not connected to proximity tags, lidar-based technology detects obstacles in the path of travel. Advanced dynamic stability uses information from lidar and proximity detection, together with equipment-level sensors and inputs, to provide advanced traction, hydraulic, and overload control to support lift truck stability.


  • Advanced Dynamic Stability (ADS):
    • Core technology controls to travel and hydraulic functions based on environmental characteristics and lift truck status for stable, steady movement.
  • Real-Time Location Sensing:
    • Monitors where equipment is and sets exclusion zones to limit speed or restrict trucks from designated areas altogether.
  • Proximity Detection:
    • Tracks proximity to other equipment, pedestrians, and beacons through local or real-time location technologies—helping inform ADS performance controls.
  • Object Detection:
    • Detects objects in the path of travel through LiDAR technology, including those not connected to proximity tags—helping inform ADS performance controls.
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