2025
Authors
Carvalho, T; Müller, T; Reiter, S; Pinho, LM; Oliveira, A;
Publication
MODELSWARD
Abstract
The Internet of Things (IoT) enables everyday objects to connect and communicate remotely, transforming areas such as smart homes and industrial automation. IoT systems can be standalone or interconnected in a System of Systems, where multiple devices work together towards a common goal. A key application is Energy Monitoring Systems (EMS), which track energy use within communities, using energy production and consumption. Designing this type of IoT systems remains complex and requires careful consideration of heterogeneous devices, their limitations, software, communication protocols, data management, and security. This paper presents a design approach for EMS communities, with a focus on house-level IoT systems. We introduce a model-driven development methodology, a holistic and flexible framework for designing IoT systems across the development and operations lifecycle. Especially, the concept of projectors enables an easy shift between domain assets and provide automation support. The approach is validated with a real-life use case, for which an analysis phase was developed, showing the benefits of using our approach for managing EMS and the automation of the analysis configuration. © 2025 by SCITEPRESS - Science and Technology Publications, Lda.
2025
Authors
Paschoaletto, A; Sousa, PB; Pinho, LM; Carvalho, T;
Publication
ISORC
Abstract
The Constant Bandwidth Server (CBS) is a mechanism used in real-time systems to enable aperiodic soft realtime tasks with unknown execution parameters to run under a dynamic scheduling policy such as Earliest Deadline First (EDF), while still ensuring schedulability by using a bandwidth reservation strategy. This paper proposes an approach to extend the Zephyr open-source real-time operating system, currently maintained by the Linux Foundation, to support aperiodic tasks with CBS. The paper provides the proposed architecture and the design and implementation of the CBS mechanisms in the operating system, which are then evaluated in two test cases in an embedded platform. © 2025 Elsevier B.V., All rights reserved.
2025
Authors
Menezes, J; Schlemmer, E;
Publication
Signum: Estudos da Linguagem
Abstract
2025
Authors
Souza, GHSd; Schlemmer, E; Santos, APSd;
Publication
Educação & Inovação
Abstract
2025
Authors
Alves, LJF; Diehl, CA; Schlemmer, E; Lima, DMLF; Boose, ESdS;
Publication
TICs & EaD em Foco
Abstract
2025
Authors
Schlemmer, E; Felice, MD; Schuster, BE;
Publication
2025 11th International Conference of the Immersive Learning Research Network (iLRN) Proceedings - Selected Academic Contributions
Abstract
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