Functional Safety Status Management for Multi-Equipment Compliance
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Solution Overview
Problem
Managing the functional safety status of equipment under control (EUC) in transport systems, such as elevators and escalators, is time- and resource-intensive due to the need for regular updates and revisions, which can impact reliability and safety, and existing methods lack efficient verification of compliance with safety standards.
Innovation Solution
A functional safety management system and method that utilize a data storage entity and a functional safety management entity connected to EUCs to obtain and compare desired and current safety information, performing operations to ensure compliance with safety standards, including corrective actions for obsolete or unsafe configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manufacturers provide updates and revisions to components, then reliability and functional safety are improved, but tracking and reviewing all affected equipment becomes time- and resource-intensive
Solution Approach 1:
The system implements automatic feedback loops where EUC devices report their component versions and safety statuses to a central server. The server automatically compares reported statuses against desired safety standards and triggers notifications or corrective actions, eliminating manual tracking efforts.
Solution Approach 2:
EUC devices autonomously monitor their own component versions and safety configurations, automatically reporting status changes to the server without requiring manual inspection. The system performs self-verification of safety compliance, reducing the need for external review resources.
2Reliability
If manufacturers provide updates and revisions to components, then functional safety is improved, but the complexity of managing updates across multiple EUCs increases
Solution Approach 1:
The server implements a universal management platform that handles multiple EUC devices, component types, and safety standards through a single integrated system. The system performs diverse functions including status collection, comparison, notification, and corrective action coordination through unified interfaces.
Solution Approach 2:
The central server acts as an intermediary between manufacturers, EUC devices, and safety standards. It abstracts the complexity of managing updates across multiple devices by providing a standardized interface for status reporting and control, shielding users from underlying system complexity.
3Productivity
If manual tracking and review methods are used, then resource consumption is high, but verification of compliance with safety standards becomes less efficient
Solution Approach 1:
The system replaces manual mechanical tracking processes with automated electronic monitoring. EUC devices automatically report their status via communication interfaces, and the server performs automated comparisons and verification, substituting human labor with electronic information processing.
Solution Approach 2:
The system implements continuous monitoring of EUC device statuses rather than periodic manual checks. The automated collection and comparison of safety status information occurs continuously, maintaining constant verification of compliance without interrupting device operation.
Data Source
AI summary
A functional safety management system for and a method of managing functional safety of at least one equipment under control. The system comprises a data storage entity configured to store desired functional safety information related to a desired functional safety status of the equipment under control, and a functional safety management entity connected to the data storage entity for obtaining or receiving therefrom the desired functional safety information, and to the equipment under control for obtaining or receiving current functional safety status information related to a current functional safety status of the equipment under control. The functional safety management system is configured to perform a functional safety related operation based on information included in the current functional safety status information and the desired functional safety information.