URL-Based Data Sharing for Real-Time Asset Monitoring
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Solution Overview
Problem
Existing data acquisition and recording systems in high-value mobile assets, such as locomotives and aircraft, face challenges in providing real-time access to data, especially during incidents, as physical access to the systems may not be feasible, and data sharing with authorized individuals is cumbersome.
Innovation Solution
A real-time data acquisition and recording system that streams data to a remote repository, allowing users to access and share data via a web server, using a URL-based method, enabling real-time or near real-time viewing and analysis of event and operational data, video, and audio data through a web browser or virtual reality device, eliminating the need for physical interaction with the data acquisition system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data is stored locally in the data acquisition and recording system, then data security and integrity are maintained, but real-time access and sharing with remote users is not possible
Solution Approach 1:
A web server acts as an intermediary between the local data acquisition system and remote users. The server receives data from the asset's data recorder, stores it in a remote repository, and provides web-based access through standard protocols, enabling real-time viewing without direct connection to the asset while maintaining data security through controlled access mechanisms.
Solution Approach 2:
The system creates a copy of the data in a remote repository that is accessible via web servers. This copy allows multiple users to view and analyze data simultaneously without affecting the original data stored on the asset, enabling real-time access while preserving the integrity and security of the source data.
2Reliability
If physical access to the data recorder is required to retrieve data, then data integrity is ensured, but response time during incidents is significantly delayed
Solution Approach 1:
The system performs preliminary actions by continuously transmitting data from the asset's recorder to a remote repository in real-time or near real-time. This advance preparation ensures that when an incident occurs, data is already available at the remote server, eliminating the need for physical retrieval and enabling immediate analysis while maintaining data integrity through secure transmission protocols.
3Ease of operation
If custom applications are used to access and share data, then data access functionality is achieved, but system complexity and user accessibility increase
Solution Approach 1:
The system uses a universal web server interface that can be accessed through any standard web browser without requiring custom applications. The web server provides multiple functions including data viewing, sharing via email with URL links, and authentication, all through standard web protocols, eliminating the need for asset-specific software and reducing system complexity.
4Productivity
If data sharing is enabled with multiple users, then collaboration and analysis efficiency improve, but security control and auditability become more challenging
Solution Approach 1:
The web server implements feedback mechanisms through authentication systems that track and log user access to the data repository. Each user's interactions with the data are recorded, providing auditability while maintaining security controls. This allows multiple users to collaborate efficiently on data analysis while the system automatically monitors and records access patterns for security purposes.
Data Source
AI summary
The real-time data acquisition and recording data sharing system works in conjunction with a real-time data acquisition and recording system and a viewer which provides real-time, or near real-time, access to a wide range of data, such as event and operational data, video data, and audio data to remotely located users such as asset owners, operators and investigators. The data sharing system allows the user to share data obtained from the data acquisition and recording system to remotely located users. The user can share data with remote recipient end users that have internet access and a modern web browser in a secure, controlled, tracked, and audited way. The user, instead of sharing files, shares a URL to the data. URL based data sharing enables the user to control, track, and audit sensitive data. The user will be able to share data to improve the safety of the world's transportation systems without fear of unauthorized data dissemination. The data can be shared by investigators using the web client with remotely located users without the need to locate and download the “black box.”