Smart Lock Intrusion Detection via Sensor State Comparison
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Solution Overview
Problem
There is a lack of effective methods to monitor and alert users about potential intrusions or tampering with objects connected to the Internet of Things (IoT) during transportation, as existing solutions fail to reliably track physical changes in objects over unsupervised periods.
Innovation Solution
A system where a smart lock paired with sensors (e.g., weight, light, temperature sensors) monitors physical characteristics of an object and alerts the user if significant changes occur, comparing baseline data when the lock is in a first state to data when it transitions to a second state, thereby detecting unauthorized access or tampering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a smart lock with sensors is used to monitor physical characteristics of an object, then intrusion detection capability is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple sensors (weight sensor, light sensor, temperature sensor) with the smart lock into an integrated monitoring system. The smart lock serves as both a security device and a data aggregation point for physical characteristic monitoring, eliminating the need for separate intrusion detection devices and reducing overall system complexity despite enhanced detection capabilities.
Solution Approach 2:
The smart lock is designed to perform multiple functions: traditional locking/unlocking operations, intrusion detection through state monitoring, and physical characteristic measurement using integrated sensors. This multi-functionality allows a single device to provide comprehensive security and monitoring without requiring additional specialized equipment.
2Measurement precision
If continuous monitoring of physical characteristics is implemented, then intrusion detection accuracy is improved, but energy consumption increases
Solution Approach 1:
The system implements periodic monitoring by triggering sensor measurements at specific events rather than continuously. The smart lock initiates weight, light, and temperature measurements when transitioning between locked and unlocked states, providing adequate intrusion detection accuracy while minimizing energy consumption by keeping sensors dormant during stable periods.
Solution Approach 2:
The system performs baseline measurements of physical characteristics when the object is first locked, establishing reference values for weight, light, and temperature. Subsequent intrusion detection compares current readings against these pre-established baselines, enabling accurate anomaly detection without requiring continuous high-power monitoring.
Data Source
AI summary
A processor may identify that a first device is in a first state. The first device may be paired with a second device that is configured to analyze one or more physical characteristics of an object. The processor may identify, using the second device, a physical characteristic of the object while the first device is in the first state. The processor may determine that the first device has transitioned to a second state. The processor may identify the physical characteristic of the object while the first device is in the second state. The processor may compare the physical characteristic of the object when the first device was in the first state to the physical characteristic of the object when the when the first device is in the second state. The processor may alert a user of the comparing.