Air filter particulate loading detection using smartphone audio and optimized ensemble classification
Automotive engine intake filters ensure clean air delivery to the engine, though over time these filters load with contaminants hindering free airflow. Today’s open-loop approach to air filter maintenance has drivers replace elements at predetermined service intervals, causing costly and potentially...
| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | en_US |
| Published: |
Elsevier
2020
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| Online Access: | https://hdl.handle.net/1721.1/123809 |
| _version_ | 1826195557036589056 |
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| author | Siegel, Joshua E Bhattacharyya, Rahul Kumar, Sumeet Sarma, Sanjay E |
| author2 | Massachusetts Institute of Technology. Digital Signal Processing Group |
| author_facet | Massachusetts Institute of Technology. Digital Signal Processing Group Siegel, Joshua E Bhattacharyya, Rahul Kumar, Sumeet Sarma, Sanjay E |
| author_sort | Siegel, Joshua E |
| collection | MIT |
| description | Automotive engine intake filters ensure clean air delivery to the engine, though over time these filters load with contaminants hindering free airflow. Today’s open-loop approach to air filter maintenance has drivers replace elements at predetermined service intervals, causing costly and potentially harmful over- and under-replacement. The result is that many vehicles consistently operate with reduced power, increased fuel consumption, or excessive particulate-related wear which may harm the catalyst or damage machined engine surfaces.
We present a method of detecting filter contaminant loading from audio data collected by a smartphone and a stand microphone. Our machine learning approach to filter supervision uses Mel-Cepstrum, Fourier and Wavelet features as input into a classification model and applies feature ranking to select the best-differentiating features. We demonstrate the robustness of our technique by showing its efficacy for two vehicle types and different microphones, finding a best result of 79.7% accuracy when classifying a filter into three loading states.
Refinements to this technique will help drivers supervise their filters and aid in optimally timing their replacement. This will result in an improvement in vehicle performance, efficiency, and reliability, while reducing the cost of maintenance to vehicle owners.
Keywords: Data mining and knowledge discovery; Machine learning; Emerging applications and technology; Intelligent vehicles; Ambient intelligence |
| first_indexed | 2024-09-23T10:14:35Z |
| format | Article |
| id | mit-1721.1/123809 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T10:14:35Z |
| publishDate | 2020 |
| publisher | Elsevier |
| record_format | dspace |
| spelling | mit-1721.1/1238092022-09-30T19:52:08Z Air filter particulate loading detection using smartphone audio and optimized ensemble classification Siegel, Joshua E Bhattacharyya, Rahul Kumar, Sumeet Sarma, Sanjay E Massachusetts Institute of Technology. Digital Signal Processing Group Massachusetts Institute of Technology. Department of Mechanical Engineering Subirana, Brian Automotive engine intake filters ensure clean air delivery to the engine, though over time these filters load with contaminants hindering free airflow. Today’s open-loop approach to air filter maintenance has drivers replace elements at predetermined service intervals, causing costly and potentially harmful over- and under-replacement. The result is that many vehicles consistently operate with reduced power, increased fuel consumption, or excessive particulate-related wear which may harm the catalyst or damage machined engine surfaces. We present a method of detecting filter contaminant loading from audio data collected by a smartphone and a stand microphone. Our machine learning approach to filter supervision uses Mel-Cepstrum, Fourier and Wavelet features as input into a classification model and applies feature ranking to select the best-differentiating features. We demonstrate the robustness of our technique by showing its efficacy for two vehicle types and different microphones, finding a best result of 79.7% accuracy when classifying a filter into three loading states. Refinements to this technique will help drivers supervise their filters and aid in optimally timing their replacement. This will result in an improvement in vehicle performance, efficiency, and reliability, while reducing the cost of maintenance to vehicle owners. Keywords: Data mining and knowledge discovery; Machine learning; Emerging applications and technology; Intelligent vehicles; Ambient intelligence 2020-02-14T15:59:29Z 2020-02-14T15:59:29Z 2017-11 2017-07 Article http://purl.org/eprint/type/JournalArticle 0952-1976 https://hdl.handle.net/1721.1/123809 Siegel, Joshua et al. "Air filter particulate loading detection using smartphone audio and optimized ensemble classification." Engineering Applications of Artificial Intelligence 66 (November 20117): 104-112 © 2017 Elsevier en_US http://dx.doi.org/10.1016/j.engappai.2017.09.015 Engineering Applications of Artificial Intelligence Creative Commons Attribution-NonCommercial-NoDerivs License http://creativecommons.org/licenses/by-nc-nd/4.0/ application/pdf Elsevier Subirana, Brian |
| spellingShingle | Siegel, Joshua E Bhattacharyya, Rahul Kumar, Sumeet Sarma, Sanjay E Air filter particulate loading detection using smartphone audio and optimized ensemble classification |
| title | Air filter particulate loading detection using smartphone audio and optimized ensemble classification |
| title_full | Air filter particulate loading detection using smartphone audio and optimized ensemble classification |
| title_fullStr | Air filter particulate loading detection using smartphone audio and optimized ensemble classification |
| title_full_unstemmed | Air filter particulate loading detection using smartphone audio and optimized ensemble classification |
| title_short | Air filter particulate loading detection using smartphone audio and optimized ensemble classification |
| title_sort | air filter particulate loading detection using smartphone audio and optimized ensemble classification |
| url | https://hdl.handle.net/1721.1/123809 |
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