Drimote enables the driver to control truck motion from outside the cab by use of a remote control. The following functions can be controlled: Throttle, braking, gear selection and steering. All functions are performed by Volvo BB-CAN. Thanks to Volvo Dynamic Steering with EXSTER. Engine start/stop, beacon lights and work lights can be controlled by buttons on the remote control. By digital displays on the remote control the driver is informed about vehicle status and warnings.
Driving is done by one lever, by moving the lever forwards and backwards the ECU automatically selects forward or reverse gear accordingly and throttle is proportional to lever stroke. By moving the lever in opposite direction the trucks brakes are applied proportional to the lever stroke.
Steering has two steering modes. Mode 1 is where the steering speed in proportionally controlled by the lever for steering. When the lever is released to neutral position steering stops and holds its position so the steering angle remains where steering command has stopped. Mode 2 is where we use “follow my lever” in this mode the steering angle is depending in lever stroke, this means that the steering angle will change according to the lever stroke. When the lever is released to neutral position the steering angle will follow so to neutral e.a. straight out position.
Drimote is equipped with extensive passive safety features. These functions include: Stop buttons mounted near the rear fenders on both sides of the truck, stop button on remote control. When these stop buttons are actuated the parkbrake is applied by BB-CAN and the redundant pneumatic brake is activated that is connected to the Volvo air pressure modulator. Besides stop buttons a second ECU is used to check operation of the main Drimote ECU. Throttle position displayed on BB-CAN is compared to throttle command send out by Drimote ECU and braking action is checked. Acceleration and deceleration levels are monitored too. If the second ECU notice abnormal control it will activate the redundant pneumatic brake.
The front of the truck is equipped with a LiDAR object detection sensor. This sensor monitors the front of the truck and applies the brakes when an object is detected. When needed this sensor can be temporarily overruled, this enables the operator to drive the truck to close proximity to objects, closer than one meter. When the LiDAR sensor detects an object this is displayed on the remote control.
To order the variant EXSTER, the truck must in addition to BBM (variant ECBB-HIG), also be built with the Volvo dynamic steering system, VDS (variant ACTST-TO), EBS (variant BSYS-EBS) and an AMT-gearbox.
By the arrival of the Drimote is working on trucks never been more efficient. The driver has more overview, because he or she can move himself around the vehicle (for example special transport). Because the driver can move the vehicle from a distance he doesn’t have to go in the cabin to move the vehicle anymore. This saves a lot of time and is very ergonomic. With Drimote, drivers no longer have to go with two drivers in the future, but the driver can independently operate.
'This is the best system we had within our company' MSL
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