SAFEbus

Steiner, Wilfried; Paulitsch, Michael

doi:10.1201/b17365-50

Cited by 22 publications

(4 citation statements)

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“…Each computer system was built to perform a TTEthernet is the further commercial development of the TT-Ethernet research jointly conducted between the Vienna University of Technology and TTTech Computertechnik AG. 8 one specific function. Because software under this paradigm is inherently contained by distinct hardware platforms, faults cannot propagate to other systems.…”

Section: Ima Considerations In Networkingmentioning

confidence: 99%

“…These enable the simultaneous transmission of both high speed low-priority and time-critical data within the same network and over the same physical layer. 8 In this way, TTEthernet solves one major problem faced when designing networks according to IMA principles -finding a network technology suitable for the full range of traffic varieties transmitted from a shared computer system performing functions with multiple criticality levels. Furthermore, TTEthernet's traffic classes provide a hard fault containment method within the network itself, as delivery of time-triggered messages is guaranteed regardless of erroneous traffic patterns in lower priority classes.…”

Section: The Role Of Ttethernet In the Aands Projectmentioning

confidence: 99%

“…8,22 The configuration of switch buffers can be adjusted to accommodate the known worst-case traffic pattern and thus buffer overflows can be eliminated. 20 Still the event-triggered nature of rate-constrained traffic requires that switches arbitrate between conflicting frames.…”

Section: Viib Traffic Class Integrationmentioning

confidence: 99%

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On TTEthernet for Integrated Fault-Tolerant Spacecraft Networks

Loveless

2015

AIAA SPACE 2015 Conference and Exposition

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There has recently been a push for adopting integrated modular avionics (IMA) principles in designing spacecraft architectures. This consolidation of multiple vehicle functions to shared computing platforms can significantly reduce spacecraft cost, weight, and design complexity. Ethernet technology is attractive for inclusion in more integrated avionic systems due to its high speed, flexibility, and the availability of inexpensive commercial off-the-shelf (COTS) components. Furthermore, Ethernet can be augmented with a variety of quality of service (QoS) enhancements that enable its use for transmitting critical data. TTEthernet introduces a decentralized clock synchronization paradigm enabling the use of time-triggered Ethernet messaging appropriate for hard real-time applications. TTEthernet can also provide two forms of event-driven communication, therefore accommodating the full spectrum of traffic criticality levels required in IMA architectures. This paper explores the application of TTEthernet technology to future IMA spacecraft architectures as part of the Avionics and Software (A&S) project chartered by NASA's Advanced Exploration Systems (AES) program.

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Section: Ima Considerations In Networkingmentioning

confidence: 99%

Section: The Role Of Ttethernet In the Aands Projectmentioning

confidence: 99%

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On TTEthernet for Integrated Fault-Tolerant Spacecraft Networks

Loveless

2015

AIAA SPACE 2015 Conference and Exposition

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“…Application domains include industrial automation and control, avionics, and active safety and automated driving applications [4], [6]. Several time-driven approaches like 802.1Qbv [12], developed by the IEEE 802.1 Time-Sensitive Networking (TSN) task group, and TTEthernet [20] exist to enhance standard Ethernet with real-time properties such as time determinism and packet delivery guarantees. The temporal properties of an Ethernet network depend significantly on the schedules and routes of the data flows along switches.…”

Section: Introductionmentioning

confidence: 99%

Stability-aware integrated routing and scheduling for control applications in Ethernet networks

Mahfouzi

Aminifar

Samii

et al. 2018

2018 Design, Automation &Amp; Test in Europe Conference &Amp; Exhibition (DATE)

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Abstract-Real-time communication over Ethernet is becoming important in various application areas of cyber-physical systems such as industrial automation and control, avionics, and automotive networking. Since such applications are typically time critical, Ethernet technology has been enhanced to support timedriven communication through the IEEE 802.1 TSN standards. The performance and stability of control applications is strongly impacted by the timing of the network communication. Thus, in order to guarantee stability requirements, when synthesizing the communication schedule and routing, it is needed to consider the degree to which control applications can tolerate message delays and jitters. In this paper we jointly solve the message scheduling and routing problem for networked cyber-physical systems based on the time-triggered Ethernet TSN standards. Moreover, we consider this communication synthesis problem in the context of control applications and guarantee their worst-case stability, taking explicitly into consideration the impact of communication delay and jitter on control quality. Considering the inherent complexity of the network communication synthesis problem, we also propose new heuristics to improve synthesis efficiency without any major loss of quality. Experiments demonstrate the effectiveness of the proposed solutions.

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Design and Verification of On-Board Computer Based on S698PM and Time-Triggered Ethernet

Zhang

Zhan

et al. 2020

Lecture Notes in Electrical Engineering

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SAFEbus

Cited by 22 publications

References 0 publications

On TTEthernet for Integrated Fault-Tolerant Spacecraft Networks

On TTEthernet for Integrated Fault-Tolerant Spacecraft Networks

Stability-aware integrated routing and scheduling for control applications in Ethernet networks

Design and Verification of On-Board Computer Based on S698PM and Time-Triggered Ethernet

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