2011
DOI: 10.1016/j.ress.2010.08.003
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Variable delays and message losses: Influence on the reliability of a control loop

Abstract: International audienceToday, new technologies (distributed systems, networks communication) are more and more integrated for applications needing to fit real-time and critical constraints. It means that we require more and more to integrate these new technology-based components in systems or sub-systems dedicated to safety or dealing with a high level of criticality. Control systems are generally evaluated as a function of required performances (overshoot, rising time, response time) under the condition to res… Show more

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Cited by 19 publications
(5 citation statements)
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“…Gran et al 11 proposed an approach for model-based risk assessment to assess different dependability factors in critical systems involving digital instrumentation and control subsystems. Ghostine et al 12 proposed a framework for the dependability evaluation of networked control systems, which takes into account the network's behavior and faults. Maza 4 proposed an integrated modeling approach based on SANs, to make systematic construction of SAN models for FT systems.…”
Section: Paper's Positionmentioning
confidence: 99%
“…Gran et al 11 proposed an approach for model-based risk assessment to assess different dependability factors in critical systems involving digital instrumentation and control subsystems. Ghostine et al 12 proposed a framework for the dependability evaluation of networked control systems, which takes into account the network's behavior and faults. Maza 4 proposed an integrated modeling approach based on SANs, to make systematic construction of SAN models for FT systems.…”
Section: Paper's Positionmentioning
confidence: 99%
“…In fact, the network state in term of quality of service QoS af-fects the system quality of control QoC. This influence is due to delay (Simon et al 2013), (Ghostine et al 2011), (Tipsuwan and Chow 2003), packets loss (Mechraoui et al 2009), (Lian et al 2002), (Berbra et al 2008), jitter (Moyne and Tilbury 2007), throughput (Zhang et al 2013), (Hespanha et al 2007) of the network and the connectivity degradation (Mechraoui et al 2011). So, it has been crucial to understand the impact of network failures on the system state and to consider them simultaneously with the control problems which characterize the co-design approach (Mechraoui et al 2011).…”
Section: Introductionmentioning
confidence: 99%
“…In addition, wireless sensor/actuator networks (WSANs) can potentially provide the device interconnectivity needed for a range of industrial control and monitoring functions across a wide range of operating environments [1][2][3][4]. However, wireless systems are generally perceived in a negative sense for real-time and safety-related applications such as the sensor/actuator networks needed for industrial process control systems [5][6][7]. The use of wireless technologies in these applications poses several severe problems, which include out-of-order packet transmissions, high levels of packet jitter and high probabilities of packet losses; these problems are especially problematic in systems with strict timing constraints [4][5][6][7].…”
Section: Introductionmentioning
confidence: 99%
“…However, wireless systems are generally perceived in a negative sense for real-time and safety-related applications such as the sensor/actuator networks needed for industrial process control systems [5][6][7]. The use of wireless technologies in these applications poses several severe problems, which include out-of-order packet transmissions, high levels of packet jitter and high probabilities of packet losses; these problems are especially problematic in systems with strict timing constraints [4][5][6][7]. Although much progress has been made in recent years, to date most industrial applications of wireless technology have mainly been restricted to soft real-time process monitoring and data acquisition applications, in which interruptions to the wireless service do not lead to unacceptable loss of control or damage to equipment [4,7].…”
Section: Introductionmentioning
confidence: 99%