STREAM · Project

Autonomous Excavators and Worker Exoskeletons That Make Railway Maintenance Safer and Faster

transportTestedTRL 6

Railway maintenance is tough physical work, and the workforce is aging fast while fewer young people want the job. STREAM built two things to help: a smart control system that lets existing rail excavators operate semi-autonomously — detecting obstacles and avoiding collisions — so workers don't have to stand dangerously close, and a powered back-support exoskeleton that reduces the strain of heavy lifting on the spine. Think of the excavator upgrade as giving the machine its own eyes and reflexes, and the exoskeleton as a wearable assistant that takes half the load off your back when you bend and lift.

By the numbers

2,700,000

EUR EU contribution for developing both smart technologies

consortium partners across the project

countries represented in the consortium

SMEs in the consortium

50%

industry ratio among consortium partners

total deliverables produced

The business problem

What needed solving

Railway maintenance depends on physically demanding manual work alongside heavy machinery, creating high injury risk — especially for the aging workforce where fewer young workers are willing to take these roles. Companies face rising costs from workplace injuries, growing regulatory pressure on safety, and a shrinking labor pool that threatens their ability to maintain rail infrastructure reliably.

The solution

What was built

Two concrete technologies: OTA3M — a control platform that retrofits onto existing rail excavators to enable autonomous operations, obstacle detection, and collision avoidance using sensors and motion/force control; and MMPE — a modular active back-support exoskeleton with human-activity recognition that assists workers during heavy manual handling tasks. Both were demonstrated and assessed against KPIs.

Audience

Who needs this

Railway infrastructure managers (e.g., national rail operators, track maintenance contractors)Excavator and heavy equipment manufacturers looking to add autonomous capabilitiesPPE and safety equipment companies expanding into active exoskeletonsConstruction firms doing track-side or heavy civil engineering workWorkplace safety consultancies advising on ergonomic solutions for physical labor

Business applications

Who can put this to work

Railway Infrastructure Maintenance

enterprise

Target: Rail infrastructure managers and maintenance contractors

If you are a railway maintenance company dealing with an aging workforce, rising injury rates, and difficulty recruiting younger workers — this project developed an autonomous control platform (OTA3M) for existing rail excavators that enables collision avoidance and autonomous track-side operations. With 8 consortium partners across 5 countries and final demonstrations assessed against KPIs, this technology could reduce worker exposure to dangerous machine proximity during track maintenance.

Construction and Heavy Equipment

mid-size

Target: Excavator manufacturers and equipment retrofit companies

If you are a construction equipment company looking to add autonomous capabilities to existing hydraulic excavators — this project developed a sensor-and-software control platform that retrofits onto current machines, enabling obstacle detection, collision avoidance, and autonomous motion/force control. The system was designed to cause minimal modification to existing working procedures while strongly improving safety and performance.

Occupational Safety and Wearable Robotics

mid-size

Target: PPE manufacturers and workplace ergonomics providers

If you are a safety equipment provider looking to expand into active exoskeletons for manual labor — this project developed a modular back-support exoskeleton (MMPE) with human-activity recognition that synchronizes assistance forces with the worker's musculoskeletal system. The design integrates with existing personal protective equipment and was assessed for performance, ethics, and economic rationale across the consortium of 8 partners.

Frequently asked

Quick answers

What would it cost to adopt these technologies?

The project does not publish per-unit pricing for either the OTA3M excavator platform or the MMPE exoskeleton. The total EU research contribution was EUR 2,700,000 across both technologies and 8 partners. Commercial pricing would depend on the exploitation plans of the consortium members, particularly the 4 industrial partners.

Can these technologies work at industrial scale on real rail networks?

The project conducted final demonstrations assessed against defined KPIs, and the OTA3M platform was specifically designed to retrofit onto existing rail excavators with minimal modification to current procedures. The consortium included an end-user board to evaluate real-world suitability, though full-scale commercial deployment across entire rail networks would require further industrialization.

Who owns the IP and how can I license it?

IP is distributed among the 8 consortium partners, which include Fondazione Istituto Italiano di Tecnologia as coordinator and 3 SMEs. The consortium assessed commercial exploitation plans as part of the project. Licensing arrangements would need to be negotiated directly with the relevant technology owners.

Does the exoskeleton comply with workplace safety regulations?

The MMPE exoskeleton design emphasizes ergonomic aspects and integration with existing personal protective equipment (PPEs). The consortium assessed the devices from ethics and performance perspectives. Specific regulatory certifications (e.g., CE marking as a medical or safety device) are not detailed in the available project data.

How long would integration take for our existing equipment?

The OTA3M platform was designed to cause minimal modification to current working procedures, exploiting existing sensors, hydraulic actuators, and software on rail excavators. Based on available project data, the system adapts to existing machines rather than requiring new ones, but specific integration timelines are not published.

What evidence exists that these technologies actually work?

The project produced a final demonstration deliverable with assessment against defined KPIs and conclusions. A first assessment deliverable evaluated both OTA3M and MMPE performance against baseline scenarios. These are the strongest evidence of validated functionality available from the project.

Consortium

Who built it

The STREAM consortium of 8 partners across 5 countries (Belgium, Spain, Finland, France, Italy) has a strong industry orientation with a 50% industry ratio and 3 SMEs — signaling genuine commercial intent beyond pure research. Coordinated by Fondazione Istituto Italiano di Tecnologia, a leading robotics research institute, the project balances deep technical capability (2 universities, 1 research org) with industrial know-how (4 industry partners). The involvement of an external end-user board further strengthens the market relevance of the outputs. For a business looking to adopt these technologies, the mix of SMEs and larger industrial players suggests multiple potential licensing or partnership paths.

FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIACoordinator · IT
NOVATRON OYparticipant · FI
UNION DES INDUSTRIES FERROVIAIRES EUROPEENNES - UNIFEparticipant · BE
SIRTI - SOCIETA PER AZIONIparticipant · IT
COMSA SAUparticipant · ES
TAMPEREEN KORKEAKOULUSAATIO SRparticipant · FI
ETABLISSEMENT D'ENSEIGNEMENT SUPERIEUR CONSULAIRE GRENOBLE ECOLE DE MANAGEMENTparticipant · FR
STAM SRLparticipant · IT

How to reach the team

Fondazione Istituto Italiano di Tecnologia (Italy) — contact through SciTransfer for warm introduction to the right team

Order a report on this consortium See FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIA profile →

Next steps

Talk to the team behind this work.

Want to explore how autonomous excavator control or worker exoskeletons could fit your railway maintenance operations? SciTransfer can connect you directly with the STREAM team and help evaluate the business case for your specific needs.

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