汽车工程 ›› 2023, Vol. 45 ›› Issue (4): 699-708.doi: 10.19562/j.chinasae.qcgc.2023.04.019

所属专题: 底盘&动力学&整车性能专题2023年

• • 上一篇    

基于关联规则挖掘的车辆故障码分析

胡杰1(),耿號1,李源洁1,耿黄政2,童敏敏2   

  1. 1.武汉理工大学,现代汽车零部件技术湖北省重点实验室,汽车零部件技术湖北省协同创新中心,湖北省新能源与智能网联车工程技术研究中心,武汉  430070
    2.上汽通用五菱股份有限公司,柳州  545007
  • 收稿日期:2022-09-02 修回日期:2022-10-18 出版日期:2023-04-25 发布日期:2023-04-19
  • 通讯作者: 胡杰 E-mail:auto_hj@163. com
  • 基金资助:
    《汽车工程》专题:智能底盘技术;贺林研究员,合肥工业大学汽车工程研究院副院长

Analysis of Vehicle Diagnostic Trouble Codes Based on Association Rule Mining

Jie Hu1(),Hao Geng1,Yuanjie Li1,Huangzheng Geng2,Minmin Tong2   

  1. 1.Wuhan University of Technology,Hubei Key Laboratory of Modern Auto Parts Technology,Hubei Collaborative Innovation Center for Automotive Components Technology,Hubei Research Center for New Energy & Intelligent Connected Vehicle,Wuhan  430070
    2.SAIC General Wuling Automobile Co. ,Ltd. ,Liuzhou  545007
  • Received:2022-09-02 Revised:2022-10-18 Online:2023-04-25 Published:2023-04-19
  • Contact: Jie Hu E-mail:auto_hj@163. com

摘要:

本文中基于车载诊断原理,将车载自诊断过程产生和保存的故障码(diagnostic trouble codes, DTC)分析与关联规则挖掘相结合,提出适用于挖掘故障码数据关联的改进FP-Tree算法,并根据得到的关联规则建立整车故障码关联图,将其应用于历史数据分析流程与车辆维修流程。挖掘数据中有趣关联规则,提供关联可视化结果;对维修过程读取的驳杂故障码进行分析,减小故障码复杂性,分析主要故障码,缩短基于故障码的检修时间,协助维修人员定位故障。

关键词: 故障码, 关联规则, 频繁模式树, 主要故障码分析

Abstract:

Based on the principle of on-board diagnosis, this paper combines analysis of diagnostic trouble codes (DTCs) generated and saved during vehicle self-diagnosis with association rule mining, proposes an improved FP-tree algorithm suitable for exploring DTCs data association, and establishes the vehicle DTCs association diagram according to the obtained association rule, which is applied to the historical data analysis process and vehicle maintenance process. Interesting association rules in data is explored to provide association visualization results. The miscellaneous DTCs read in the maintenance process is analyzed to reduce the complexity of the DTCs and the main DTCs are analyzed to shorten the maintenance time based on the DTCs and help the maintenance personnel to locate the faults.

Key words: diagnostic trouble codes, association rule, frequent pattern tree, main DTCs analysis