Shooting Detection System for Indoor Evacuation Guidance
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Solution Overview
Problem
During active shooting incidents in indoor spaces, it is challenging for individuals to be aware of the situation and receive timely and appropriate guidance on actions such as evacuation or hiding, leading to potential increased risk and difficulty in minimizing damage.
Innovation Solution
A system comprising multiple stations equipped with microphones and millimeter wave or radar devices to detect shooting sounds and the shooter's location, communicating with a response server to compute and transmit action commands via a communication network, which instructs individuals on optimal evacuation routes or hiding commands based on their location relative to the shooter.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple detection stations and response servers are deployed to provide real-time evacuation guidance, then the reliability of safety guidance is improved, but the device complexity increases
Solution Approach 1:
The system divides the indoor space into multiple zones with detection stations deployed at different locations. Each station independently detects shooting sounds and transmits data to the response server, creating a segmented monitoring network that improves coverage and reliability without requiring a single complex centralized system.
Solution Approach 2:
The response server performs multiple functions including receiving detection data from various stations, computing shooter location using triangulation, determining optimal evacuation routes, and providing real-time guidance. This multi-functional approach consolidates complexity into a single server while maintaining high reliability through integrated operations.
2Reliability
If the system computes optimal evacuation routes and hiding commands based on shooter location, then the effectiveness of safety guidance is improved, but the computation time and system response delay increase
Solution Approach 1:
The response server pre-computes evacuation routes and hiding locations for different scenarios and stores them in advance. When a shooting incident is detected, the system quickly retrieves and transmits the appropriate pre-computed guidance rather than calculating routes in real-time, significantly reducing response delay while maintaining effectiveness.
Solution Approach 2:
The system continuously monitors shooter location through multiple detection stations and provides real-time feedback by updating evacuation routes and hiding commands. The response server receives ongoing detection data, recalculates optimal paths based on current shooter position, and transmits updated guidance to individuals, creating a dynamic feedback loop that adapts to changing conditions.
3Measurement precision
If the system provides personalized evacuation guidance based on individual location relative to shooter, then the precision of safety instructions is improved, but the complexity of information processing increases
Solution Approach 1:
The system provides customized evacuation guidance tailored to each individual's specific location within the indoor space. Based on the detected shooter position and the individual's coordinates, the response server determines optimal evacuation routes and hiding locations specific to that person's situation, ensuring precise and relevant safety instructions rather than generic guidance.
Solution Approach 2:
The response server acts as an intermediary that receives detection data from multiple stations, computes shooter location, determines individual positions, and generates personalized evacuation guidance. This intermediary processing layer simplifies information flow by centralizing complex calculations and translating raw detection data into actionable, personalized safety instructions for each individual.
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
The system enables safe and quick evacuation or hiding instructions to be provided to individuals, minimizing damage and risk by accurately assessing the shooter's location and movement, and adapting guidance in real-time based on the structure of the indoor space.
Implementation Method 1
a microphone configured to detect a corresponding one of the shooting sounds
Implementation Method 2
Each of the plurality of stations may further include a millimeter wave based device or a radar device, configured to detect the location and movement of the shooter
Data Source
AI summary
A system and method may detect one or more shooting sounds and provide guidance to one or more evacuating people when an active shooting event has occurred indoors, thereby minimizing a secondary damage. The system comprises: a plurality of stations configured to detect one or more shooting sounds and transmit detection of the one or more shooting sounds; and a response server configured to receive the detection of one or more shooting sounds over a communication network, to generate action commands, respectively corresponding to each of the stations, based on the detection of the one or more shooting sounds, and to transmit the respective action commands to the each of the corresponding stations over the communication network.