One day as an autonomous road sweeper in Singapore

Beginning of this year, the government of Singapore announced the public trial approval for the world’s first self-driving road sweeper. The fully electric autonomous sweeper – also called Autonomous Environmental Service Vehicle (AESV) – was jointly developed by Bucher Municipal, ENWAY, Nanyang Technological University (NTU), SembWaste, and Wong Fong Engineering and is ready to clean Singapore’s streets. Now, Proof-Of-Concept trials are taking place in Cleantech Park and the NTU campus during off-peak traffic hours. 

The typical daily routine of the autonomous sweeper starts with trained safety drivers inspecting the machine, by going through a pre-operation checklist.

Once everything has been checked, the autonomous sweeper is ready to start operating from its base station on the NTU campus, where both a specially designed charging container and rubbish compactor are located.

After exiting from its base station, the autonomous sweeper is deployed to its designated trial area, before the real work begins: The sweeper cleans the streets autonomously, following a predetermined cleaning route. While operating, the cleaning machine is monitored from an off-site control center while data is collected on cleaning activities. In addition, all autonomous activities are recorded by the sweeper’s black box, which is connected to the Land Transit Authority’s monitoring system. Another safety measure is the presence of a safety driver, who can take control over the sweeper in case of an emergency.

Cleaning along the curb as well as in curves or on sloped roads are no problem for the sweeper. Should an obstacle be encountered on the road, such as a pedestrian crossing the street, the self-driving road sweeper stops automatically. The autonomous machine can sweep up dust and small particles, as well as leaves or rubbish that could be found on the road. Once swept up, all of the material is collected in the sweeper’s hopper and a clean road is left behind. Only when the entire cleaning route has been followed and cleaned properly, the sweeper’s task for the day is complete and it will return to its base station.

Back on the NTU campus, the self-driving road sweeper autonomously empties its hopper into the rubbish compactor before plugging in for recharging in anticipation of the next cleaning run.

Über die ENWAY GmbH

ENWAY was founded in Berlin at the beginning of 2017 and has over 30 employees in Berlin and Singapore. The company developed a technology platform for high-precision autonomous work machines, with which sweepers independently clean factories or large warehouses. In the municipal sector, ENWAY supports street cleaners with autonomous machines. The vehicles react dynamically to changes and obstacles. ENWAY cooperates with established companies and integrates the technology for autonomous operation into existing machines. More information is available at

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