Surveillance order for motor vehicles, surveillance procedures and motor vehicle

Fiber Bragg grating sensors integrated into vehicle chassis components provide accurate and continuous load monitoring, enhancing manufacturing and maintenance efficiency and safety by detecting thermal and mechanical loads, and enabling data sharing among vehicles.

DE102016223230B4Active Publication Date: 2025-10-09VOLKSWAGEN AG
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Patent Information

Application Number
DE102016223230
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2016-11-23
Publication Date
2025-10-09
Estimated Expiration
2036-11-23

AI Technical Summary

Technical Problem

Current load monitoring systems in motor vehicles, particularly in the chassis, are unreliable and complex, failing to accurately detect and evaluate thermally and mechanically induced loads, which hinders informed manufacturing and maintenance decisions.

Method used

Integration of fiber Bragg grating sensors into the chassis components of vehicles, using optical waveguides to measure and evaluate thermal and mechanical loads, with a detection and evaluation unit to process the sensor data, and optionally a wireless communication system for centralized data analysis.

Benefits of technology

Enables precise, continuous monitoring of chassis loads, allowing for informed manufacturing adjustments, predictive maintenance, and enhanced safety by detecting potential damage early, and facilitating data sharing among vehicles for improved road safety.

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Abstract

Monitoring arrangement (1) for motor vehicles (2), in particular for passenger cars, buses and lorries, comprising: - a sensor arrangement (10) for detecting thermal and / or mechanical loads on at least one component (5) of a chassis (4) and / or a chassis of an underlying motor vehicle (2) and for outputting signals representative of the loads and - a detection and evaluation unit (20, 50) for receiving and evaluating signals output by the sensor arrangement (10), wherein: - the sensor arrangement (10) comprises an optical waveguide (12) with a fibre Bragg grating sensor (11) integrated in the optical waveguide (12), - the fiber Bragg grating sensor (11) is designed to be partially or completely integrated into or on the component (5) of the chassis (4) and / or the undercarriage of the motor vehicle (2) in order to measure and evaluate thermally and / or mechanically induced loads in the component (5) of the chassis (4) and / or the undercarriage, - the detection and evaluation unit (20, 50) is configured to detect operating parameters of the underlying vehicle (2) and to associate and correlate them with signals received from the sensor arrangement (10), - as operating parameters, preferably one or more parameters from the group of parameters are taken into account which has a location in the form of GPS coordinates, time, speed, acceleration, weather and environmental parameters, temperature, humidity, air pressure.
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