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Case Study – Sweep

The BSR is facing the challenges of an ever-changing work environment and approached hint with the purpose of implementing autonomous technology in street cleaning. The result is Sweep: a collaborative cleaning robot that unburdens the employees and speeds up work processes.



Improvement of the work through autonomous technology.


Optimization of the BSR's management of urban hot spots.


Increasing the capability and efficiency of manual cleaning.


Urban hot spots are one of the most complex challenges for city cleaning. To solve these, we not only considered the management of Alexanderplatz but also analyzed the equipment currently used. It had not been engineered user-centric, nor had it been modified for the changing demands. The consequence: many repetitive actions. We rethought this outdated working method.

Seitenansicht des Follow-Me Konzepts.

With Sweep, hint combines the experience and grasp of a human with the efficiency of a machine.


The core principle of Sweep aligns with hint's rationale: the human in focus. The targeted use of autonomous technology is supposed to enhance the job of manual sweepers, while also facilitating their work. The manual cleaner and Sweep work as a team. Sweep follows the path the employee walked and cleans it automatically.

The future of street cleaning: Sweep.

Interaction Design

The traditional relationship between operator and machine has been eliminated. The absence of control elements presented new challenges on communications and feedback mechanisms, which hint met intuitively.

Bodylanguage for Autonomous Technology

Control & Navigation


The follow-me setup required rethinking operation, interaction and communication. The entire interaction was therefore designed directly at the physical object. Through visual programming hint received immediate feedback on all sweep functions. Thus timing and animation could be actively controlled and especially natural movement patterns could be created.




Concept, product design, interaction design, visuals, prototyping


2017 - 2018