Integrated safety critical systems on reliable real time network

Shiping Yang, Nan Sang, Guang-ze Xiong
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引用次数: 5

Abstract

Safety critical systems require reliable and predictable behaviors in their communication operations. To overcome the lack of deterministic characteristics in CAN protocol, we research a soft-oriented approach based on FTT-CAN protocol combining event-triggered and time-triggered traffic. In order to encourage safety critical systems to take advantage of the increased processing and communication power and multiple traditionally federated applications to move toward more integrated systems. In addition to the integrated system model details, temporal isolation based on two-level hierarchical scheduling mechanism and schedulability analyses of communication network based on FTT-CAN protocol are described in detail, and provide an approach to determinate slot width of communication network based on FTT-CAN protocol.
基于可靠实时网络的集成安全关键系统
安全关键系统在通信操作中需要可靠和可预测的行为。为了克服CAN协议缺乏确定性特性的缺点,研究了一种基于FTT-CAN协议的软导向方法,该方法结合了事件触发和时间触发的流量。为了鼓励安全关键系统利用增强的处理和通信能力以及多个传统联合应用程序向更加集成的系统发展。详细介绍了基于两级分层调度机制的时间隔离和基于FTT-CAN协议的通信网络可调度性分析,并为确定基于FTT-CAN协议的通信网络的槽宽提供了一种方法。
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