NTC Self-Diagnostic System: Improving Sensor Reliability in Automatic Gearboxes

This article examines the growing importance of sensors in automotive systems, focusing on reliability and safety. Sensors, although essential, can fail, sometimes compromising passenger safety. In order to ensure a correct functioning, a self-diagnostic system has been proposed for the NTC thermist...

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Published inInternational Review on Modeling and Simulations Vol. 18; no. 2; p. 109
Main Authors Bella, Naoufal, Salhi, Nohaila, Bouazaoui, Oussama, El Wardi, Jihad, Briki, Fouad, Lagrat, Ismail
Format Journal Article
LanguageChinese
English
Published Naples Praise Worthy Prize 30.04.2025
Subjects
Anomalies
Diagnostic systems
Gearboxes
Passenger safety
Sensors
System reliability
Thermistors
Online AccessGet full text
ISSN1974-9821
2533-1701
1974-9821
DOI10.15866/iremos.v18i2.25499

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Abstract This article examines the growing importance of sensors in automotive systems, focusing on reliability and safety. Sensors, although essential, can fail, sometimes compromising passenger safety. In order to ensure a correct functioning, a self-diagnostic system has been proposed for the NTC thermistor used in automatic gearboxes. This system enables failures to be detected quickly, ensures the accuracy of oil temperature measurements and records anomalies in a database for subsequent analysis. A detailed methodology is described, including electrical continuity tests and Steinhart-Hart calibration strategies used for thermistors, implemented in MATLAB Stateflow. The tests demonstrate the system's effectiveness in identifying and correcting anomalies, while suggesting possible improvements for predicting future anomalies.
AbstractList This article examines the growing importance of sensors in automotive systems, focusing on reliability and safety. Sensors, although essential, can fail, sometimes compromising passenger safety. In order to ensure a correct functioning, a self-diagnostic system has been proposed for the NTC thermistor used in automatic gearboxes. This system enables failures to be detected quickly, ensures the accuracy of oil temperature measurements and records anomalies in a database for subsequent analysis. A detailed methodology is described, including electrical continuity tests and Steinhart-Hart calibration strategies used for thermistors, implemented in MATLAB Stateflow. The tests demonstrate the system's effectiveness in identifying and correcting anomalies, while suggesting possible improvements for predicting future anomalies.
Author Briki, Fouad
Lagrat, Ismail
Bouazaoui, Oussama
El Wardi, Jihad
Salhi, Nohaila
Bella, Naoufal
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SubjectTerms Anomalies
Diagnostic systems
Gearboxes
Passenger safety
Sensors
System reliability
Thermistors
Title NTC Self-Diagnostic System: Improving Sensor Reliability in Automatic Gearboxes
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