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1. CN108445868 - 一种基于现代信号处理技术的汽车智能故障诊断系统及方法

Office
China
Application Number 201810251573.X
Application Date 26.03.2018
Publication Number 108445868
Publication Date 24.08.2018
Grant Number 108445868
Grant Date 29.12.2020
Publication Kind B
IPC
G05B 23/02
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
23Testing or monitoring of control systems or parts thereof
02Electric testing or monitoring
G06K 9/62
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
62Methods or arrangements for recognition using electronic means
G06K 9/00
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
G06N 3/08
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
NCOMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
3Computer systems based on biological models
02using neural network models
08Learning methods
CPC
G05B 23/0221
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
23Testing or monitoring of control systems or parts thereof
02Electric testing or monitoring
0205by means of a monitoring system capable of detecting and responding to faults
0218characterised by the fault detection method dealing with either existing or incipient faults
0221Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
G05B 23/0254
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
23Testing or monitoring of control systems or parts thereof
02Electric testing or monitoring
0205by means of a monitoring system capable of detecting and responding to faults
0218characterised by the fault detection method dealing with either existing or incipient faults
0243model based detection method, e.g. first-principles knowledge model
0254based on a quantitative model, e.g. mathematical relationships between inputs and outputs; functions: observer, Kalman filter, residual calculation, Neural Networks
G06F 30/20
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
30Computer-aided design [CAD]
20Design optimisation, verification or simulation
Applicants 安徽省爱夫卡电子科技有限公司
Inventors 朱志峰
姚勇
蔡卫平
Agents 南京知识律师事务所 32207
Title
(ZH) 一种基于现代信号处理技术的汽车智能故障诊断系统及方法
Abstract
(ZH)
本发明公开了一种基于现代信号处理技术的汽车智能故障诊断系统及方法,属于汽车诊断领域。一种基于现代信号处理技术的汽车智能故障诊断系统,包括诊断平台、下位机通信模块和汽车ECU;下位机通信模块,与汽车ECU连接,进行数据通信;诊断平台,与下位机通信模块连接,进行数据通信,向汽车ECU发送诊断命令,并接收汽车ECU返回的状态数据流与故障码,并根据接收的数据进行故障诊断。并公开了该诊断方法。本发明利用信号处理技术对获取的数据流进行特征提取,再利用人工智能技术对目标特征进行训练与学习,进而自动地完成分类和识别,满足的汽车系统的多样性和复杂性要求,具有更高的智能水平、更好的环境适应性和更广阔的应用前景。