Adaptive Exception Handling in Security System Arming
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Solution Overview
Problem
Conventional security systems face challenges in dynamically addressing exceptions that occur when set to alarm modes, such as AWAY or STAY, which can lead to incomplete arming of sensors and potential false alarms or malfunctions.
Innovation Solution
A smart security system that detects exceptions, determines whether they are terminal or non-terminal, automatically executes the arming procedure for non-terminal exceptions, prevents alarms from triggering when exceptions are fully corrected, and alerts users to uncorrected conditions causing exceptions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the security system automatically arms sensors when exceptions occur, then the system responds quickly to exceptions, but false alarms may be triggered if exceptions are not properly evaluated
Solution Approach 1:
The system performs preliminary evaluation of exceptions before executing the arming procedure. The processor evaluates whether detected exceptions are terminal or non-terminal in advance, and only proceeds with arming if exceptions are non-terminal. This preliminary assessment prevents false alarms while maintaining quick response to valid exceptions.
2Reliability
If the system requires manual intervention to handle exceptions, then alarm accuracy is maintained, but user convenience and system productivity decrease
Solution Approach 1:
The security system handles exception evaluation and arming decisions autonomously without requiring manual user intervention. The processor automatically determines whether exceptions are terminal or non-terminal and executes the appropriate arming procedure, making the system self-sufficient while maintaining reliability through intelligent exception analysis.
3Reliability
If the system arms all sensors regardless of exceptions, then complete security coverage is achieved, but system complexity and potential for malfunction increase
Solution Approach 1:
The system segments the arming decision process by evaluating each exception individually to determine if it is terminal or non-terminal. This segmentation allows the system to selectively arm sensors based on the nature of detected exceptions, maintaining security coverage while avoiding the complexity of uniform arming procedures for all conditions.
4Reliability
If the system prevents arming when any exception occurs, then alarm accuracy is maintained, but loss of time occurs due to incomplete arming procedures
Solution Approach 1:
The system applies partial action by proceeding with the arming procedure for non-terminal exceptions while preventing arming only for terminal exceptions. This selective approach allows the system to maintain alarm accuracy by blocking arming only when necessary, while reducing time loss by allowing arming to proceed for non-critical exceptions.
Data Source
AI summary
A method of controlling a security system of a premises includes detecting one or more exceptions when the system is set to an alarm mode, determining whether any of the one or more exceptions is a terminal exception, automatically executing an arming procedure according to the alarm mode when all of the exceptions are determined to be non-terminal exceptions, preventing execution of the arming procedure when any of the exceptions are determined to be a terminal exception, and, while in the alarm mode, preventing a sensor associated with a security exception from triggering an alarm when the security exception is fully corrected, and triggering an alarm when a condition that is causing the security exception is adjusted without resulting in full correction of the security exception.