Elevator Access Control Override Landing Matrix
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Solution Overview
Problem
Current elevator systems face difficulties in handling exceptions to normal access control behavior, particularly in emergency conditions, requiring manual configuration and reversion of access matrices by security personnel.
Innovation Solution
The system allows for defining access on a per-exception basis with override capabilities, enabling manual or scheduled overrides of landing matrices, and includes vendor-neutral formats for access control, supporting emergency responder access through landing matrix objects and APIs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual configuration of active landing matrix is used for emergency conditions, then access control can be adjusted, but system complexity and operational burden increase
Solution Approach 1:
The system pre-configures multiple landing matrices including default, user-specific, and emergency matrices before emergencies occur. When an emergency is detected, the system automatically activates the pre-configured emergency landing matrix without requiring manual configuration during the crisis, thus reducing operational burden while maintaining adaptability
Solution Approach 2:
The access control system automatically detects emergency conditions and self-adjusts the active landing matrix without human intervention. The system monitors emergency signals, automatically switches to the appropriate emergency matrix, and manages the transition, eliminating the need for manual configuration and reducing system complexity from the operator's perspective
2Reliability
If manual reversion of landing matrix is required after emergency, then security is maintained, but loss of time and operational efficiency decrease
Solution Approach 1:
The system continuously monitors the emergency condition status and automatically reverts to the previous landing matrix once the emergency condition is cleared or resolved. This feedback mechanism ensures security is maintained during the emergency while automatically restoring normal operations afterward, eliminating manual reversion time and improving operational efficiency
Solution Approach 2:
The system pre-establishes the relationship between emergency conditions and corresponding landing matrices. When an emergency occurs, the appropriate matrix is automatically activated. When the emergency is cleared, the system automatically reverts to the previous matrix state, eliminating the need for manual reversion operations and reducing time loss
3Ease of manufacture
If proprietary mechanisms are used for access control configuration, then vendor-specific functionality is achieved, but adaptability and interoperability decrease
Solution Approach 1:
The system implements a universal landing matrix data structure and communication protocol that can be used across different vendor systems. The emergency access control functionality is defined in a vendor-neutral manner, allowing any access control system regardless of manufacturer to implement emergency override capabilities using the same standardized approach, thereby achieving both ease of manufacture and broad adaptability
Data Source
AI summary
A system and method for an access control system for an elevator system that overrides landing matrices that define the access to the floors in the elevator system. The system overrides the landing matrices of the access control system in response to conditions defined by security system operators, such as emergency situations, and sends the landing matrices to elevator controllers for controlling the access to the floors. In examples, the system supports configuration of vendor-neutral landing matrix objects sent to the access control system over a security network for creating new landing matrices, and overriding the contents of the existing landing matrices.