Dynamic Pedestrian Door Panels for High-Throughput Security Access
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Solution Overview
Problem
Current security access control devices are inefficient in managing high traffic flow while preventing individuals carrying weapons from entering secured areas, as they often waste space and impede flow, especially during peak times, and fail to automatically stop suspects from entering.
Innovation Solution
An electro-mechanical and electronically controlled access device that allows unidirectional flow, can be stacked for increased throughput, and incorporates sensors for threat detection, with door panels that adjust speed to match user pace and fill gaps to prevent weapon passing, using bulletproof materials and biometric verification for accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional revolving doors or turnstiles are used, then continuous flow in both directions is provided, but half of the door capacity is wasted during peak flow times in one direction
Solution Approach 1:
The door system dynamically changes its configuration based on traffic flow direction. During peak flow in one direction, the system forms a single-file passage optimized for that direction, rather than maintaining a fixed bidirectional revolving door configuration. This dynamic adaptation eliminates wasted capacity while maintaining continuous flow.
Solution Approach 2:
The door assembly is divided into multiple movable panels that can be independently positioned to create different passage configurations. This segmentation allows the system to reconfigure from a bidirectional revolving door to a unidirectional single-file passage, optimizing space utilization for the prevailing traffic flow direction.
2Adaptability or versatility
If fixed door configurations are used, then structural simplicity is maintained, but the system cannot adapt to varying traffic flow patterns and waste space
Solution Approach 1:
The door system incorporates movable panels that can change position based on detected traffic flow patterns. Sensors monitor approach patterns and trigger appropriate door configurations, enabling the system to adapt to varying traffic demands while maintaining relatively simple mechanical components.
Solution Approach 2:
The system uses sensors to detect approaching pedestrians and their intended direction, then automatically adjusts door panel positions in response. This feedback mechanism enables adaptive behavior without requiring complex manual control systems, balancing versatility with operational simplicity.
3Reliability
If security checkpoints with detection capabilities are added, then weapon detection is improved, but traffic flow is impeded and space requirements increase
Solution Approach 1:
The security detection system is integrated directly into the door structure itself, merging the access control function with the security screening function. This eliminates the need for separate checkpoint equipment and allows security verification to occur seamlessly as part of the door passage process, maintaining traffic flow efficiency while improving detection capability.
Solution Approach 2:
The door panels serve as an intermediary between the approach area and the secured area, incorporating detection capabilities within the door structure. This allows security screening to occur at the precise point of transition, preventing weapons from being brought into the secured area while minimizing disruption to traffic flow.
4Reliability
If automatic stopping mechanisms are implemented, then prevention of weapon-carrying individuals is improved, but false alarms and interruptions of legitimate traffic may occur
Solution Approach 1:
The system uses sensors to continuously monitor approach patterns and detect potential threats, then automatically adjusts door panel positions in response to detected anomalies. The feedback mechanism allows the system to distinguish between legitimate pedestrians and potential threats, stopping only when necessary while maintaining normal traffic flow for authorized users.
Solution Approach 2:
The door system takes preliminary action by detecting potential threats before they can enter the secured area and automatically positioning panels to prevent entry. This preliminary anti-action occurs at the approach stage, allowing legitimate traffic to continue uninterrupted while blocking only those individuals who pose a security risk.
Data Source
AI summary
A portal apparatus for securely controlling passage is described. The apparatus uses a passageway which includes at least two moveable door panels that operate in conjunction with at least two sidewalls including at least one linear sidewall. The apparatus includes position sensors for tracking a position of a subject passing through the passageway and determining a rate of movement of the subject. While the subject is walking through the passageway, each door panels is controlled to move at the determined rate of movement of the subject.