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dc.contributor.authorGüitta López, Lucíaes-ES
dc.contributor.authorBoal Martín-Larrauri, Jaimees-ES
dc.contributor.authorLópez López, Álvaro Jesúses-ES
dc.date.accessioned2025-07-10T14:17:47Z-
dc.date.available2025-07-10T14:17:47Z-
dc.date.issued2025-11-01es_ES
dc.identifier.issn0952-1976es_ES
dc.identifier.urihttps:doi.org10.1016j.engappai.2025.111510es_ES
dc.identifier.urihttp://hdl.handle.net/11531/100518-
dc.descriptionArtículos en revistases_ES
dc.description.abstractes-ES
dc.description.abstractThe sample efficiency challenge in Deep Reinforcement Learning (DRL) compromises its industrial adoption due to the high cost and time demands of real-world training. Virtual environments offer a cost-effective alternative for training DRL agents, but the transfer of learned policies to real setups is hindered by the sim-to-real gap. Achieving zero-shot transfer, where agents perform directly in real environments without additional tuning, is particularly desirable for its efficiency and practical value. This work proposes a novel domain adaptation approach relying on a Style-Identified Cycle Consistent Generative Adversarial Network (StyleID-CycleGAN or SICGAN), an original Cycle Consistent Generative Adversarial Network (CycleGAN) based model. SICGAN translates raw virtual observations into real-synthetic images, creating a hybrid domain for training DRL agents that combines virtual dynamics with real-like visual inputs. Following virtual training, the agent can be directly deployed, bypassing the need for real-world training. The pipeline is validated with two distinct industrial robots in the approaching phase of a pick-and-place operation. In virtual environments agents achieve success rates of 90 to 100, and real-world deployment confirms robust zero-shot transfer (i.e., without additional training in the physical environment) with accuracies above 95 for most workspace regions. We use augmented reality targets to improve the evaluation process efficiency, and experimentally demonstrate that the agent successfully generalizes to real objects of varying colors and shapes, including LEGO® cubes and a mug. These results establish the proposed pipeline as an efficient, scalable solution to the sim-to-real problem.en-GB
dc.format.mimetypeapplication/octet-streames_ES
dc.language.isoen-GBes_ES
dc.sourceRevista: Engineering Applications of Artificial Intelligence, Periodo: 1, Volumen: online, Número: Part A, Página inicial: 111510-1, Página final: 111510-15es_ES
dc.subject.otherInstituto de Investigación Tecnológica (IIT)es_ES
dc.titleSim-to-real transfer via a Style-Identified Cycle Consistent Generative Adversarial Network: Zero-shot deployment on robotic manipulators through visual domain adaptationes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.description.versioninfo:eu-repo/semantics/publishedVersiones_ES
dc.rights.holderes_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES
dc.keywordses-ES
dc.keywordsTransfer learning; Deep reinforcement learning; Domain adaptation; Sim-to-real; Zero-shoten-GB
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