Regional Lock-State Control Using Mobile Location Feedback
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Solution Overview
Problem
Traditional regional lock-state control systems, such as lockdown systems, fail to accurately determine the location of individuals within a predefined area after a lockdown event, leading to inefficiencies in managing lock states and potential safety risks.
Innovation Solution
A regional lock-state control system utilizing mobile devices and lock assemblies that communicate via wireless signals to transmit and receive lock-state directives, allowing for the determination of lock states and user locations through advertisements and status messages, enabling centralized control and tracking during events like lockdowns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a centralized lockdown system locks all doors automatically, then security control is improved, but the ability to track individual locations deteriorates
Solution Approach 1:
The system implements feedback by having mobile devices continuously scan for lock assembly advertisements and report status messages back to the central controller. This feedback loop provides real-time location information of individuals while maintaining centralized lock control, resolving the contradiction between security control and location tracking capability.
Solution Approach 2:
Mobile devices serve as intermediaries between individuals and the centralized lock control system. They receive lockdown directives from the controller, transmit commands to lock assemblies, and report location data back to the controller, enabling both centralized control and individual location tracking simultaneously.
2Measurement precision
If mobile devices continuously scan for lock advertisements, then location tracking precision is improved, but energy consumption increases
Solution Approach 1:
Instead of continuous scanning, the system uses periodic scanning where mobile devices scan for lock advertisements at defined intervals. This periodic action maintains location tracking precision while significantly reducing energy consumption compared to continuous scanning operations.
3Speed
If lock assemblies transmit advertisements frequently, then real-time status monitoring is improved, but network bandwidth consumption increases
Solution Approach 1:
Lock assemblies transmit advertisement messages at periodic intervals rather than continuously. This periodic transmission provides sufficient real-time status monitoring information while minimizing network bandwidth consumption and reducing overall system energy usage.
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
Enables efficient management of lock states and real-time tracking of individuals within a region, enhancing safety and operational efficiency during emergencies by providing precise control over lock assemblies and user location determination.
Implementation Method 1
each configured to transmit an advertisement that includes data on a lock-state and an address of the respective lock assembly
Implementation Method 2
each configured to receive a wireless lock-state directive from the server upon the lock-state event, and send a wireless status message to the server
Data Source
Figure 1
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Figure 4
AI summary
A regional lock-state control system for operation within a region, includes a server, a plurality of mobile devices and a plurality of lock assembles. The server is configured to initiate a lock-state event. The mobile devices are each configured to receive a wireless lock-state directive from the server upon the lock-state event, and send a wireless lock lock-state directive to the server. The lock assemblies are each configured to receive a lock-state command associated with the lock-state directive from the plurality of mobile devices, and are each configured to transmit an advertisement that includes data on a lock-state.