Wireless Digital Lockout for Multi-User Authentication
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Solution Overview
Problem
Existing electronic lockout systems for machinery lack efficiency and safety in managing multi-user access and authentication, particularly in computer-controlled environments, leading to potential hazards during maintenance and repairs.
Innovation Solution
The implementation of wireless-enabled digital locks that utilize Bluetooth or Wi-Fi for network-enabled access control, allowing multiple keyholders to authenticate and authorize machine operation through a mobile or desktop application, ensuring that all authorized users must personally remove themselves as keyholders before the machine can be unlocked, with features like bolt-cutting authority for override.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If traditional electronic lockout systems are used, then hardware requirements and paperwork are reduced, but safety and compliance in multi-user environments deteriorate
Solution Approach 1:
The patent replaces traditional mechanical lockout systems with a wireless digital lockout system that uses Bluetooth or Wi-Fi communication. The physical locks and keys are substituted with electronic devices that transmit authentication signals wirelessly, eliminating the need for mechanical hardware while maintaining security through digital authentication protocols
Solution Approach 2:
The digital lockout system serves multiple functions: it provides authentication for multiple keyholders, tracks authorization status, communicates lockout information, and manages compliance documentation. This multi-functional approach consolidates what would traditionally require separate hardware components and paperwork into a single integrated wireless system
2Reliability
If multi-keyholder authentication is implemented, then safety is improved, but device complexity increases
Solution Approach 1:
The system segments authentication credentials into individual digital profiles for each keyholder. Each user has their own authentication token stored in their mobile device, and the lockout system maintains separate authorization records for each keyholder. This segmentation allows multiple users to be managed independently without increasing overall system complexity
Solution Approach 2:
The system automatically manages authentication verification and authorization status without requiring manual intervention. When a keyholder presents their digital credential, the system automatically verifies it against the lockout database and grants or denies access accordingly, eliminating the need for complex manual authentication procedures
3Ease of operation
If wireless authentication is used, then ease of operation is improved, but reliability in hazardous environments may worsen
Solution Approach 1:
The system performs preliminary authentication verification before granting access. The wireless device must successfully authenticate with the lockout system before the lockout state is changed, ensuring that authorization is confirmed in advance. This preliminary check maintains security while enabling convenient wireless operation
Solution Approach 2:
The system provides immediate feedback to the wireless device regarding authentication success or failure. The lockout system communicates the current authorization status and responds to authentication attempts in real-time, allowing users to understand the system state without confusion while maintaining secure access control
Data Source
AI summary
This disclosure provides systems and methods for lockout-tagout procedures and systems supporting the same, including, without limitation, lockout devices that can store and maintain digital locks simultaneously by multiple keyholders. In various embodiments, a single user can add multiple keyholders to a digital lock. The user may not be able to remove anyone as a keyholder except herself. Thus, the digital lock may remain in a locked state until each of the added keyholders applies their digital key, password, pin, and/or other personal identifying information to unlock the digital by removing themselves as a keyholder.