Biometric Access Barrier for Industrial Machine Safety Zones
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing industrial safety systems for protecting areas with operating machines are not foolproof, as they can be compromised by human error, tampering, or distractions, leading to potential accidents.
Innovation Solution
A biometric-based safety system that uses sensors to detect unique biometric data of individuals attempting to enter a protected area, ensuring that only authorized personnel can access the area and that all individuals present are accounted for before allowing entry or operating the machine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If key-based access control is used, then access to the protected area can be controlled, but people may lend or duplicate keys causing security failures
Solution Approach 1:
The patent replaces the mechanical key-based access control system with a biometric recognition system using optical sensors to capture iris or fingerprint data. This substitution eliminates the physical key that can be lost, lent, or duplicated, while maintaining secure access control through unique biological characteristics that cannot be replicated.
Solution Approach 2:
The system creates a digital copy or template of the individual's biometric data (iris pattern or fingerprint) and stores it for comparison. This digital template serves as the authentication credential, replacing the physical key while leveraging the uniqueness of the original biometric trait for secure identification.
2Reliability
If video cameras are used for monitoring, then access can be controlled, but cameras can be tampered with or watchers can be distracted
Solution Approach 1:
The biometric system performs automated recognition and verification without requiring human operators to monitor or interpret video feeds. The system independently captures biometric data, compares it against stored templates, and controls access, eliminating human distraction and reducing vulnerability to tampering through automated decision-making.
Solution Approach 2:
The patent replaces the passive video monitoring system with an active biometric recognition system that automatically identifies and authenticates individuals. This substitution transforms the monitoring approach from visual observation to automated optical or tactile sensing, eliminating the need for human watchers and reducing tampering risks.
3Reliability
If biometric data collection is required for all persons, then safety is improved, but the system complexity and processing time increase
Solution Approach 1:
The system performs biometric data collection and template creation in advance during the initial enrollment phase. Once the biometric template is stored, subsequent access requests only require rapid comparison of newly captured biometric data against the pre-stored template, significantly reducing the time required for each access event while maintaining comprehensive safety verification.
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 system prevents accidental trapping of individuals within the protected area and ensures that only authorized personnel can access the area, thereby enhancing safety and preventing potential accidents.
Implementation Method 1
uses sensors to detect unique biometric data of individuals attempting to enter a protected area
Implementation Method 2
a video camera, a proximity sensor, a load cell or infrared or ultrasound
Implementation Method 3
a video camera, a proximity sensor, a load cell or infrared or ultrasound
Data Source
Figure 1
AI summary
A method is described of securing a protected area dedicated to the operation of an industrial machine (10), the area being equipped with a fence (20) with an entrance (22), a movable barrier (24) at the entrance to prevent or allow transit through the entrance, a sensor (30) of univocal biometric data, with the steps of - detecting by the sensor a univocal biometric data of a person, - following the detection, opening the movable barrier to allow transit through the entrance, - inhibiting the closing of the movable barrier until the univocal biometric data of the same person is detected again by the sensor.