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- research-articleSeptember 2023
Mitigating Mode-switch through Run-time Computation of Response Time
ACM Transactions on Design Automation of Electronic Systems (TODAES), Volume 28, Issue 5Article No.: 81, Pages 1–26https://doi.org/10.1145/3597432Mixed-critical systems consist of applications with different criticality. In these systems, different confidence levels of Worst-Case Execution Time (WCET) estimations are used. Dual criticality systems use a less pessimistic, but with lower level of ...
- research-articleJune 2022
HERMES: Heuristic Multi-queue Scheduler for TSN Time-Triggered Traffic with Zero Reception Jitter Capabilities
RTNS '22: Proceedings of the 30th International Conference on Real-Time Networks and SystemsPages 70–80https://doi.org/10.1145/3534879.3534906The Time-Sensitive Networking (TSN) standards provide a toolbox of features to be utilized in various application domains.The core TSN features include deterministic zero-jitter and low-latency data transmission and transmitting traffic with various ...
- research-articleMarch 2020
Design and Implementation of Distributed Time-Triggered System Based on RT-Thread
ICIT '19: Proceedings of the 2019 7th International Conference on Information Technology: IoT and Smart CityPages 472–476https://doi.org/10.1145/3377170.3377268Internet of Things (IoT) technologies are driving changes in Industry 4.0. Applications developed based on the IoT system may have high requirements on the real-time property of data transmission. To provide the real-time data transmission service for ...
- research-articleOctober 2017
ILP-based joint routing and scheduling for time-triggered networks
RTNS '17: Proceedings of the 25th International Conference on Real-Time Networks and SystemsPages 8–17https://doi.org/10.1145/3139258.3139289Networks in the automotive and aerospace area as well as in production facilities have to support time-critical (i.e., hard real-time) communication. For such applications, time-triggered Ethernet-based networking solutions provide the required ...
- research-articleJune 2017
Time-Triggered Scheduling of Mixed-Criticality Systems
ACM Transactions on Design Automation of Electronic Systems (TODAES), Volume 22, Issue 4Article No.: 74, Pages 1–25https://doi.org/10.1145/3073415Real-time and embedded systems are moving from the traditional design paradigm to integration of multiple functionalities onto a single computing platform. Some of the functionalities are safety critical and subject to certification. The rest of the ...
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- ArticleAugust 2015
Time-Triggered Extension Layer for On-Chip Network Interfaces in Mixed-Criticality Systems
DSD '15: Proceedings of the 2015 Euromicro Conference on Digital System DesignPages 693–699https://doi.org/10.1109/DSD.2015.33The increasing trend towards mixed-criticality in different domains demands a platform in which the physical integration of subsystems with different criticalities is accommodated. A fundamental prerequisite for such a platform is to establish temporal ...
- ArticleAugust 2014
End-to-End Real-Time Communication in Mixed-Criticality Systems Based on Networked Multicore Chips
DSD '14: Proceedings of the 2014 17th Euromicro Conference on Digital System DesignPages 293–302https://doi.org/10.1109/DSD.2014.34Mixed-criticality systems combine applications at different levels of criticality on the same platform. Today, mixed-criticality integration is addressed individually at different integration levels such as the operating system, the chip-level and the ...
- research-articleMarch 2013
Time- and angle-triggered real-time kernel
Powertrain controllers are automotive applications that bring real-time constraints on software treatments based on the angular position of tooth in the motor. Theses constraints depend on the engine speed and can be as short as 100μsec. A time-...
- ArticleAugust 2012
Time-Triggered Program Self-Monitoring
RTCSA '12: Proceedings of the 2012 IEEE International Conference on Embedded and Real-Time Computing Systems and ApplicationsPages 260–269https://doi.org/10.1109/RTCSA.2012.16Runtime monitoring aims at analyzing the well-being of a system at run time in order to detect errors and steer the system towards a healthy behavior. Such monitoring is a complementary technique to other approaches for ensuring correctness, such as ...
- research-articleAugust 2012
Time-Triggered Implementations of Dynamic Controllers
ACM Transactions on Embedded Computing Systems (TECS), Volume 11, Issue S2Article No.: 58, Pages 1–24https://doi.org/10.1145/2331147.2331168Bridging the gap between model-based design and platform-based implementation is one of the critical challenges for embedded software systems. In the context of embedded control systems that interact with an environment, a variety of errors due to ...
- ArticleJune 2012
Applying Design Patterns to Improve the Reliability of Embedded Systems through a Process of Architecture Migration
HPCC '12: Proceedings of the 2012 IEEE 14th International Conference on High Performance Computing and Communication & 2012 IEEE 9th International Conference on Embedded Software and SystemsPages 1563–1570https://doi.org/10.1109/HPCC.2012.228Designers of modern embedded control applications are often required to make necessary changes in the software architecture of an existing system in order to improve system performance and reliability. Such a migration process can present many ...
- ArticleSeptember 2011
Efficient techniques for near-optimal instrumentation in time-triggered runtime verification
RV'11: Proceedings of the Second international conference on Runtime verificationPages 208–222https://doi.org/10.1007/978-3-642-29860-8_16<em>Time-triggered</em> runtime verification aims at tackling two defects associated with runtime overhead normally incurred in event-triggered approaches: <em>unboundedness</em> and <em>unpredictability</em> . In the time-triggered approach, a monitor ...
- ArticleAugust 2011
Correct Implementation of Open Real-Time Systems
SEAA '11: Proceedings of the 2011 37th EUROMICRO Conference on Software Engineering and Advanced ApplicationsPages 57–64https://doi.org/10.1109/SEAA.2011.19Correct and efficient implementation of open real-time systems is still a costly and error-prone process. We present a rigorous model-based implementation method of such systems based on the use of two models: (i) an abstract model representing the ...
- ArticleJune 2011
Sampling-based runtime verification
The literature of runtime verification mostly focuses on event-triggered solutions, where a monitor is invoked by every change in the state of the system and evaluates properties of the system. This constant invocation introduces two major drawbacks to ...
- ArticleMarch 2011
Performance Analysis of Time-Triggered Ether-Networks Using Off-the-Shelf-Components
ISORCW '11: Proceedings of the 2011 14th IEEE International Symposium on Object/Component/Service-Oriented Real-Time Distributed Computing WorkshopsPages 49–56https://doi.org/10.1109/ISORCW.2011.16The performance analysis and validation of distributed real-time systems poses significant challenges due to high accuracy requirements at the measurement tools. A fully synchronized time-scale at ultrafine granularity is not easy to generate. Even ...
- ArticleMarch 2011
Synthesis of Static Communication Schedules for Mixed-Criticality Systems
ISORCW '11: Proceedings of the 2011 14th IEEE International Symposium on Object/Component/Service-Oriented Real-Time Distributed Computing WorkshopsPages 11–18https://doi.org/10.1109/ISORCW.2011.12Throughout many application areas of embedded and cyber-physical systems there is a demand to integrate more and more applications such that they share common resources. These applications may have different levels of criticality with respect to ...
- research-articleMarch 2011
An extension of the OMNeT++ INET framework for simulating real-time ethernet with high accuracy
SIMUTools '11: Proceedings of the 4th International ICST Conference on Simulation Tools and TechniquesPages 375–382Real-time extensions to standard switched Ethernet widen the realm of computer networking into the time-critical domain. These technologies have started to establish in process automation, while Ethernet-based communication infrastructures in vehicles ...
- research-articleJuly 2010
Improving the reliability of embedded systems as complexity increases: supporting the migration between event-triggered and time-triggered software architectures
EuroPLoP '10: Proceedings of the 15th European Conference on Pattern Languages of ProgramsArticle No.: 22, Pages 1–17https://doi.org/10.1145/2328909.2328937We can divide the software architectures employed in embedded systems into two categories - time-triggered (TT) and event-triggered (ET) - based on the way in which the various systems tasks are initiated. ET architectures are suitable for use with ...
- ArticleJune 2010
Real-time Non-invasive Detection of Timing-constraint Violations in Time-triggered Embedded Systems
CIT '10: Proceedings of the 2010 10th IEEE International Conference on Computer and Information TechnologyPages 1978–1986https://doi.org/10.1109/CIT.2010.335In this paper, we propose a novel, non-invasive monitoring technique which allows rapid detection of timing-constraint violations in real-time embedded systems which have a time-triggered system architecture. The monitoring technique combines knowledge ...
- ArticleMay 2010
Energy-Saving Mechanisms in the Time-Triggered Architecture
ISORC '10: Proceedings of the 2010 13th IEEE International Symposium on Object/Component/Service-Oriented Real-Time Distributed ComputingPages 28–33https://doi.org/10.1109/ISORC.2010.33Energy consumption is a major issue in the design of embedded systems that are battery-driven. At the architectural level energy savings can be realized by a diversity of mechanisms. This paper presents the energy-savings mechanisms that are part of the ...
