Automated Vehicle Leak Detection Using Sensor Positioning

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Solution Overview

Problem

Automated vehicle maintenance systems face challenges in accurately identifying and locating potential leak points on diverse vehicle configurations, particularly in heavy-duty vehicles with unique component arrangements, which complicates the automation of leak detection processes.

Innovation Solution

A computer-implemented method that receives vehicle identifier data, obtains vehicle configurations, and moves sensor devices, such as ultrasonic sensors, to potential leak locations based on the vehicle configuration and relative location data, enabling automated leak detection in pneumatic and hydraulic systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Extent of automation

If manual maintenance operations are used, then flexibility in handling diverse vehicle configurations is maintained, but automation and productivity are reduced

Engineering Contradiction:
Improveautomation of leak detectionVSAvoidhandling of diverse vehicle configurations
Core Design Contradiction:
Extent of automationVSAdaptability or versatility

Solution Approach 1:

The system performs preliminary actions by pre-storing vehicle configuration data and component location information in a database before the actual leak detection process. When a vehicle is brought for maintenance, the system retrieves the appropriate configuration data and automatically adjusts sensor positions and inspection routes, eliminating the need for manual adaptation to different vehicle types.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system changes operational parameters dynamically based on detected vehicle characteristics. Sensors are repositioned to different coordinates, inspection sequences are modified, and detection thresholds are adjusted according to the specific vehicle model and configuration identified through vehicle identifier data, enabling automated adaptation to diverse vehicle types.

Inventive Principle:
Principle #35Parameter changes

2Productivity

If automated processes are implemented, then productivity increases, but measurement precision at correct locations deteriorates due to difficulty in identifying component locations

Engineering Contradiction:
Improveleak detection efficiencyVSAvoidaccuracy of leak detection
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The system introduces an intermediary layer of vehicle configuration data and component location databases that mediate between the automated sensor system and the physical vehicle components. This intermediary provides precise coordinate information and component identification data, enabling the automated system to accurately locate and inspect the correct components without manual intervention.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces manual mechanical positioning and visual identification with automated optical scanning, image recognition, and computer-controlled sensor positioning. The system uses vehicle identifier data and configuration databases to automatically determine component locations, substituting human expertise with automated information processing and precision positioning systems.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Adaptability or versatility

If multiple vehicle models are inspected, then versatility increases, but device complexity and difficulty of detecting and measuring increase

Engineering Contradiction:
Improveinspection of multiple vehicle modelsVSAvoidsystem configuration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system achieves universality by designing a single automated inspection platform that can handle multiple vehicle models through software configuration rather than hardware modification. The core inspection system remains unchanged while adapting to different vehicle types by retrieving appropriate configuration parameters and component location data from the database, making the system multi-functional without increasing physical complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This approach automates the leak detection process, accurately determining relative positions of vehicle components and detecting leaks in multiple locations on various vehicles, improving the efficiency and accuracy of maintenance operations.

Implementation Method 1

The first sensor device may include an ultrasonic sensor device. The measurement from the first sensor device may include an ultrasonic sensor measurement indicative of an air leak.

Methodology Applied
Scientific EffectUltrasonic detection: Ultrasound

Implementation Method 2

The second sensor device may include a pressure sensor device. receiving, by the processor device, a measurement from a second sensor device indicative of a location of the vehicle relative to a predetermined ground location

Methodology Applied
Scientific EffectPressure sensing: Pressure Gradient

Data Source

PatentEP4382877A1Automated identification of vehicle variants for maintenance operations
Publication Date: 2024.06.12 VOLVO TRUCK CORP
  • EP4382877A1 patent drawingFigure 1A~1B
  • EP4382877A1 patent drawingFigure 2
  • EP4382877A1 patent drawingFigure 3

AI summary

A computer-implemented method includes receiving, by a processor device of a computer system, vehicle identifier data indicative of a vehicle. The method further includes obtaining, by the processor device, a vehicle configuration of the vehicle based on the vehicle identifier data, the vehicle configuration including at least one potential leak location. The method further includes moving, by the processor device, a first sensor device to the at least one potential leak location with respect to the vehicle. The method further includes receiving, by the processor device, a measurement from the first sensor device.