Safe Human Detection in a Collaborative Work Cell

Main functionalities

Creating safety areas: flexible and adaptive creation of dynamic safety areas is based on information from safety approved safety equipment such as laser scanners, microwave radars, and additional safety equipment such as RF indoor positioning and 360 cameras. The aim is to create a safe collaborative working cell for robots and employees performing tasks such as collaborative assembly. The hardware of the solution is based on off-the-shelf commercial components.

Technical specifications

The system consists of safety-approved systems and additional systems for increased safety. Any suitable combination for the application can be used. The system is able to observe/detect people around the robot cell and the robot can be controlled correspondingly. The robot can be slowed down or stopped depending of the distance from a human to the robot. The dynamic safety system can use laser scanners, light curtains, microwave radars, indoor positioning, and 360 cameras.

Inputs and outputs

Data from each sensor is transferred to the robot controller as a digital signal, which in configuration with the inputs on the industrial robot may be used to slow or stop the robot’s motion, depending on the type of safety zone violation. The safety zones may be reconfigured as preset settings, which makes it possible to dynamically reconfigure safety solution combinations for different scenarios. The sensors also feature configurable inputs and outputs for basic functionality and interoperability.
SICK S300 Standard Series safety scanner, Pilz PSENscan, and SICK saferRS connect straight to appropriate inputs on robot controller or to a separate PLC. Safety scanners use different outputs for different signalling purposes, such as warning zone violations or lens contamination. These signals can be used in great variety, depending on the production cell’s requirements. SICK saferRS safety radar sensors operate on two states: motion detected or motion not detected where the state information is transmitted

Formats and standards

ISO 10218-1:2011, Robots and robotic devices – Safety requirements for industrial robots – Part 1: Robots
ISO 10218-2:2011, Robots and robotic devices – Safety requirements for industrial robots – Part 2: Robot systems and integration

Owner (organization)

Centria University of Applied Sciences


To learn more about the solution, click on the link below to access the training on the Moodle platform
Safe human detection in a collaborative work cell

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