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Berliner Stadtreinigung

BSR is facing the challenges of work­force trans­formation and turned to hint with the task of implementing auto­nomous tech­nology in street cleaning. The result is Sweep: a collaborative cleaning robot that relieves employees and speeds up work processes.

Cobot sweep following a street cleaner autonomously
Product design of cobot sweep

Research

Urban hotspots are one of the most complex challenges for city cleaning. To solve them, we analyzed not only the man­agement of public squares them­selves, but also the current equipment: the cleaning tools used so far have not been developed in a user-centric way.

Research at Berlin Alexanderplatz
Analysis of the current workflowsAnalysis of current tool design for street cleaners

Concept

The basic principle of Sweep: the experience and perception of a human combined with the efficiency of a machine. The targeted use of autonomous tech­nology is intended to enhance the workplace of Berlin’s more than 2,000 hand cleaners and at the same time make their work easier.

Human perception combined with efficiency of a robotHuman perception combined with efficiency of a robot
User reaches for tools on the side of the cobot sweep
Smart Cobot follows the street cleaner autonomouslyCobot sweep cleaning underneath a bench

Interaction Design

The classic relationship between operator and machine is dissolved with Sweep. The absence of operating elements placed new demands on communication and inter­action. The employee controls Sweep mainly through his movements and gestures.

Cobot sweep follows user

Follow-Me
Control

Cobot sweep plans path in advance

Intelligent
Pathplanning

Cobot sweep detects obstacles and avoids them

Obstacle
Avoidance

Cobot sweep detects edges automatically

Edge
Detection

Cobot sweep communicates with smart lighting system

Reactive
Lights

Cobot sweep sends tactile feedback to the user

Tactile
Feedback

Cobot Sweep connects with user

Connecting

Cobot Sweep signals attention

Waiting

Cobot Sweep with working lights on

Working

Cobot Sweep is in sleeping mode

Sleep

NP

"The idea for Sweep has inspired us from the very beginning as an inno­vation with a high potential for app­lication. On the way to further devel­opment via prototype to product we have been working very constructively with hint for several years. We are convinced of Sweep [...] and are looking forward to the application on Berlin squares!"

Norbert Pauluweit – Head of energy, environment and innovation

"The idea for Sweep has inspired us from the very beginning as an inno­vation with a high potential for app­lication. On the way to further devel­opment via prototype to product we have been working very constructively with hint for several years. We are convinced of Sweep [...] and are looking forward to the application on Berlin squares!"

NP

Norbert Pauluweit – Head of energy, environment and innovation

Mobile App

To keep the direct interaction with Sweep as dedicated as possible, a mobile app is also available to the users. This gives them full control over all Sweep functions and forms the new digital hub for everyday work.

Screen designs for mobile sweep appScreen designs for mobile sweep appWireframe of mobile sweep appWireframe of mobile sweep app

Prototyping

The novel interaction was designed and tested directly on an interactive prototype. Visual programming enables immediate feedback for all functions. Timings and animations can thus be precisely controlled to achieve particularly natural movement patterns.

Physical interaction prototype for cobot sweep
Prototype of tactile wristband for intuitively interacting with cobot

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