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Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

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Single-Wire Control and Fault Detection for Automotive Exterior Lighting Systems.

George-Călin Seriţan¹, Costel-Ciprian Raicu², Bogdan-Adrian Enache¹

¹Department of Measurements, Electrical Apparatus and Static Converters, University "Politehnica" of Bucharest, 060042 Bucharest, Romania.

Sensors (Basel, Switzerland)

|July 29, 2023

Summary

This summary is machine-generated.

This study introduces a novel single-wire strategy for electric vehicle exterior lighting control and diagnostics, enhancing safety and reducing system costs. The approach minimizes wiring, decreasing vehicle weight while maintaining robust fault detection capabilities.

Keywords:

LED automotive combination lamp diagnostic headlights lighting

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Area of Science:

Automotive Engineering
Electrical Engineering
Embedded Systems

Background:

Automotive exterior lighting is critical for driver visibility and safety.
Electric vehicles (EVs) require efficient and reliable lighting systems to meet performance, regulatory, and cost demands.

Purpose of the Study:

To propose a new strategy for controlling and diagnosing EV exterior lighting functions using a single-wire approach.
To maximize electrical fault detection and transfer over a single wire, reducing system cost and complexity.
To assess the impact of this strategy on system weight, safety, and regulatory compliance.

Main Methods:

Development of a master-slave architecture for lighting control.
Utilizing virtual simulation tools to analyze the single-wire approach's effectiveness.
Evaluating safety-related and non-safety-related lighting functions and fault scenarios.
Assessing wire harness reduction while maintaining diagnostic capabilities.

Main Results:

Demonstrated a strategy for efficient and reliable EV lighting systems.
Provided a framework for future development and implementation of EV lighting.
Simulated the hardware architecture for the proposed single-wire lighting control and diagnostic system.

Conclusions:

The single-wire approach effectively reduces system cost and vehicle weight.
The strategy enhances fault detection and diagnostic capabilities in EV lighting systems.
This method supports regulatory compliance and improves overall automotive lighting infrastructure.