Fault detection and recovery system and method for four-channel flexray bus nodes on board
A bus node and fault detection technology, which is applied in the field of computer communication, can solve problems such as communication anomalies, logic anomalies, and high reliability requirements of network node communication, and achieve the effect of ensuring reliability and enhancing redundancy
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[0025] The present invention is a system and method for fault self-detection and recovery of four-channel FlexRay bus nodes on board. The watchdog is used to detect the fault of the four-channel FlexRay bus, and the fault is detected by power-off reset and software re-initialization. failure recovery.
[0026] One FlexRay bus controller supports two channels, for example, FlexRay bus controller A supports FlexRay-A bus and FlexRay-B bus; FlexRay bus controller B supports FlexRay-C bus and FlexRay-D bus; using dual-channel FlexRay bus communication Mode exists FlexRay bus controller single-point problem, in order to ensure the reliable star of satellite electronic system communication, the present invention has adopted the FlexRay bus communication mode of four channels, supports FlexRay-A bus by FlexRay bus controller A and FlexRay bus controller B, FlexRay-B bus, FlexRay-C bus and FlexRay-D bus. The four-channel mode adopts two controllers, FlexRay bus controller A and FlexR...
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