Robotics for People with Disabilities

Robotics for People with Disabilities

Foto: Bosch

AQUIAS, a project conducted by Bosch, Fraunhofer Institutes, and ISAK, offers insights on the future of work quality through work-sharing between service robots and workers with or without severe disabilities. It is funded by the German Federal Ministry of Education and Research.

The initiators have deployed APAS, Bosch’s automated production assistant, at ISAK, a company that employs people with a variety of severe disabilities, some of whom have an extremely limited capacity for work. APAS is used in the assembly process for sanitary fixtures. Previously, a worker had to operate a hand-lever press up to 8,000 times a day to press intricate parts together, but now the robot has taken on this monotonous and physically demanding task. This eases the burden on workers and lets them focus on the final quality control.

One outcome of this project has been to improve the quality of work: with strenuous tasks falling away, there is more space for higher-quality tasks and for direct person-to-person communication. “What we’ve done is to have robots take on only those tasks that are physically demanding for people. All other work tasks, such as work-step preparation or quality control, are still performed by people, which ensures that their jobs are full of variety,” says David Kremer of the Fraunhofer Institute for Industrial Engineering IAO, who is coordinating the project. This gives disabled people job prospects and the opportunity to participate in modern manufacturing.

To enable ISAK to implement this technology, Bosch adjusted the workplace to suit the manufacturing environment and the various needs of the workforce. This called for a reconfiguration of the interfaces between humans and machines. Now the robot can flexibly adjust to different table heights and the sensor skin means there is no need for a safety barrier: if a worker comes too close, APAS automatically stops without any contact at all. This makes it possible to safely hand over workpieces and avoid collisions.

Bosch takes the project results and derives measures from them for further improving the deployment of robots in production and logistics. The company plans to set up workplaces in its Blaichach (Allgäu) plant for workers with and without disabilities. There the focus will be on how to handle heavy aluminum blocks for automotive manufacturing that need to be moved around under the microscope for quality inspections.

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