Professor: Yi Lu
Research Associate: Hong Guo
Research Assistant: Jacob Crossman
Dept. of Electrical and Computer
Engineering
The University of Michigan - Dearborn
yilu@umich.edu
IntroductionComputational Framework
Signal Segmentation Using Wavelets
Automatic Feature Extraction
Automatic Feature Selection
Segment-based Fault Detection Using Fuzzy Logic
Signal Fault Detection Using Fuzzy LogicSingle Signal Agents
Case 1: RPM Hesitation
Step 1: Segmentation
Step 2: Feature Extraction/Selection
Step 3: Fuzzy Training/Inference
Step 4: Whole Signal AnalysisEngineering Knowledge on Signal Interaction
Multi-signal Agents
Multiple Signal Agents
Case 2: Rough Idle
Results: Fuzzy Training InferenceADSAS: A Tool for Interactive and Automatic Fault Diagnostics