基于循环冗余校验的RS422通信故障自复位策略研究  

Research on Auto-reset Strategy for RS422 Communication Faults Based on Cyclic Redundancy Check

作　　者：王兰凤 侯启悦 汪亮 赵奎 杨洲 邬秀芳 Wang Lan-feng;Hou Qi-yue;Wang Liang;Zhao Kui;Yang Zhou;Wu Xiu-fang(AECC Hunan Aviation Powerplant Research Institute,Hunan Zhuzhou 412002)

机构地区：[1]中国航发湖南动力机械研究所,湖南株洲412002

出　　处：《内燃机与配件》2025年第4期56-58,共3页Internal Combustion Engine & Parts

摘　　要：RS422通信在诸多领域有着重要应用,但偶尔面临通信故障风险。循环冗余校验是一种高效的错误检测技术。针对某航空发动机地面试车台电气控制系统和电子控制器之间的RS422通信,研究并提出了一种通信故障自复位策略,即根据循环冗余校验对通信数据进行实时监测,一旦诊断出通信故障,便自动触发复位操作。通过试验验证了该策略的可行性,确保了通信数据的完整性和准确性。RS422 communication has important applications in many fields,but occasionally faces the risk of communication failures.Cyclic Redundancy Check(CRC)is an efficient error detection technique.For the RS422 communication between the electrical control system and the engine electronic controller of an aero-engine ground test bench,a strategy of communication fault auto-reset is researched and proposed.This strategy involves real-time monitoring of communication data based on CRC.Once a communication failure is diagnosed,it automatically triggers a reset operation.Experiments have verified the feasibility of this strategy,ensuring the integrity and accuracy of communication data.

关 键 词：循环冗余校验 RS422 通信故障 自复位策略 

分 类 号：V23[航空宇航科学与技术—航空宇航推进理论与工程]