Railway Subframe Inspection Device Autonomous Navigation
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Solution Overview
Problem
Current railway vehicle inspection methods require frequent and labor-intensive manual inspections on dedicated tracks, leading to infrastructure saturation, health and safety concerns, and inefficiencies, as most components are found compliant, suggesting a need for a more efficient and automated inspection solution.
Innovation Solution
A method using an inspection device with a processing unit and motor system that moves autonomously to predefined coordinates, allowing for remote control and optimization of movements to inspect railway vehicle components, reducing energy consumption and increasing autonomy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual inspection methods are used on dedicated inspection tracks, then inspection can be performed, but infrastructure congestion increases and vehicle availability decreases
Solution Approach 1:
The patent replaces manual inspection operations with an automated robotic inspection device equipped with sensors and navigation capabilities. The device autonomously moves along the railway track to inspect vehicle components, eliminating the need for dedicated inspection tracks and manual labor, thereby resolving the contradiction between inspection throughput and vehicle availability
Solution Approach 2:
The inspection device performs self-navigation and self-inspection operations using onboard processors that determine optimal movement paths and control motor systems to position inspection components. This autonomous self-service capability allows continuous operation without human intervention or dedicated infrastructure, improving both productivity and vehicle availability
2Reliability
If automated inspection device moves to all points of interest using conventional methods, then complete inspection is achieved, but energy consumption increases and autonomy decreases
Solution Approach 1:
The processor receives a predetermined list of points of interest coordinates before inspection begins. Using this pre-planned information, the device calculates an optimized movement sequence that visits all required points while minimizing total travel distance and energy consumption, ensuring complete inspection coverage with reduced battery usage
Solution Approach 2:
The system dynamically optimizes movement parameters including speed, acceleration, and positioning sequences based on the coordinates of points of interest. By adjusting these parameters to minimize travel distance while maintaining inspection quality, the device achieves complete inspection with reduced energy consumption and extended operational autonomy
Data Source
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AI summary
Method for inspecting railway vehicle subframe (2) using an inspection device (1) comprising a processing block (10) and a motor system (11).1), said processing block being adapted to control the adapted motor system to move the inspection device until it is positioned at a destination point; comprising the following steps, given a list, stored in the processing block, of coordinates of points of interest of the subframe expressed in a reference frame having as its origin a reference point: - movement of the inspection device to a predetermined point of known position relative to the reference point; - recording, by the processing block, of the location of the reference point as a function of said position; - determination, by the processing block, of a command for the motor system to position the inspection device at a point of interest from the list as a function of at least the coordinates of said point of interest expressed in the list and of said location of the recorded reference point.