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Collaborative robotics land in European factories

Collaborative robotics land in European factories

23.03.2023

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Sharework and SHERLOCK are two projects funded through Factories of the Future, EFFRA’s partnership with the European Commission on manufacturing. Together, they provide validated solutions for a safe fenceless implementation of robots working hand in hand with workers in industrial shopfloors

At its core and through its partnerships with the European Commission, Made in Europe and its predecessor Factories of the Future, the European Factories of the Future Research Association (EFFRA) is tackling shared technological challenges such as collaborative robotics. Promoting precompetitive research and encouraging the collaboration between diverse international stakeholders at the industry and research levels, EFFRA is addressing all aspects of manufacturing, from sustainability and efficiency to digitalization and human aspects; many of these demonstrators, use cases, and exploitable results, can be consulted by accessing EFFRA’s Innovation Portal, where we encourage all innovation actors to promote their work.

Sharework, a project led by Eurecat Technology Centre, has developed 14 integrated software and hardware human-centred mechatronics modules that provide robots with the necessary intelligence to work in cooperation with human operators for evaluating and addressing human-related barriers. The modules cover the areas of perception, motion planning, safety and security, and multimodal human-robot communication, including knowledge of object detection, person tracking, and human task identification through environment run-time detection and cognition.

“By allowing operators to share or delegate the simple and repetitive operations to robots, while ensuring safety in the work environment and getting additional assistance from the system to improve ergonomics, Sharework contributes to increasing the OECD Job Quality Index through an improvement in the work environment and safety,” says Dr Néstor Garcia, the technical coordinator of the Sharework project, a Factories of the Future project funded by the European Commission Horizon 2020 programme. “Therefore, collaborative robotics can reduce workers’ physical stress and healthcare risks, and improves their satisfaction,” adds García.

Demonstrating seamless and safe industrial human-robot collaboration

The developed solutions have been successfully validated in four industrial environments. In the transport sector (ALSTOM), Sharework has been implemented in a railway rolling stock’s assembly line to assist workers in a static position in assembling and riveting parts during the manufacturing process. On the other hand, a collaborative high-payload robot helping the operator to carry and position car components for its assembly has been installed and tested (SEAT S.A.). In other sectors, the deployment of Sharework collaborative robots’ modular solution, has included the provision of robots with the necessary knowledge to perform quality checks and provide support to operators in assembling and disassembling complex parts, reducing workers’ ergonomics’ effort (Goizper Group), as well as assisting the worker when moving across the station understanding workers’ behaviour and anticipating tasks (Cembre Spa.).

The SHERLOCK project aimed to introduce the latest safe robotic technologies including high and low payload collaborative arms, wearable robotics in form of exoskeletons and mobile manipulators, enhancing them with smart mechatronics and AI-based cognition and thus create efficient human-robot collaboration stations that are designed to be safe and guarantee the acceptance and wellbeing of operators.  As a result, a portfolio of 19 software and hardware modules covering key areas like collaborative production station and mechatronics, human-centredcentred interaction and awareness, artificial intelligence enabled human-robot collaboration, safety and certification, have been developed and applied in four different industrial use cases.

In the renewable energy sector (CALPAK), a high-payload collaborative robot in the market has undertaken the weightlifting and manipulation of heavy solar panels. To reduce the repetitive tasks in the industrial modules assembly sector, in VDL, a new low payload-inverted collaborative robot has been tested to collaborate with the operator thanks to the deployment of an advanced digital twin to perform on-the-fly task planning using data from a distributed sensors network. In another scenario with FIDIA, enhanced Augmented Reality has been applied to the machine building sector to allow the operators to perform the assembly of large CNC machines. Finally, a new mobile robot equipped with two collaborative arms has been employed for a collaborative transportation of large composite parts in the aeronautics sector (SOFITEC).

“The self-adapting robots of SHERLOCK have managed to demonstrate seamless human-robot collaboration in four industrial scenarios. In simple terms, the SHERLOCK robots were able to adopt a human-like behaviour, being valuable co-workers, understanding the environment, the needs and preferences of the operators, predicting human intention and adapting their behaviour accordingly, thanks to the advances in perception and AI-driven decision making”, says Nikos Dimitropoulos from the Laboratory for Manufacturing Systems and Automation (LMS), coordinator of the SHERLOCK project.

Putting workers’ well-being at the centre of innovation

The human centred design implies an explicit understanding of the operators and must include co-creation and iterative continuous user-centred evaluation. To do that, a multidisciplinary approach is fundamental and includes the participation of social science and humanities beyond the technical areas capable of deploying the intelligence required to implement the collaboration.

Sharework and SHERLOCK have delved into the interaction of social sciences and robotics to work towards reducing operators’ stressful position during assembly and disassembly processes, as well as diminish the amount of non-added-value repetitive tasks. Both systems demonstrated gains in performance, ergonomics, a reduction of assembly errors,   human stress, and high levels of operator acceptance, unveiling the real-world potential of highly intelligent assistive robotic systems.

“People are the most valuable asset in European manufacturing. We feel the need to keep them in the loop with an active and leading role, bringing technology around them to provide active support,” says Dr Sotiris Makris lead of the Robotics, Automation and VR in Manufacturing group of LMS. “Hybrid Production Systems, involving both mechanics in the form of smart robotics and advanced digital technologies, pave the road towards a human-centric, sustainable, resilient and green industry, augmenting the capacity of personnel and enhancing the competitiveness of EU manufacturing,” adds Makris.

Manufacturing has been known as a physically demanding industry, which could often exclude a large pool of potential workers; in this sense “collaborative robotics, when applied in industrial environments, present a great potential for supporting the workers and strengthening the European industry, opening up the shopfloors for greater gender and diversity inclusion, a step forward the factories of the future,” highlights Dr Simona Neri, Project Manager and coordinator of the Sharework project.

(originally in Science Business)