Wireless Sensor Network for Perimeter Intrusion Detection
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Solution Overview
Problem
Current home security systems are inadequate in protecting the external perimeter of properties and lack preventive tracking of potential intruders, relying on outdated designs and cumbersome installations that do not effectively utilize advanced sensor technology or wireless solutions.
Innovation Solution
A network of distributed sensor units with motion and vibration sensors, capable of detecting and categorizing objects based on risk assessment, wirelessly communicating with a central station to alert users and dispatch autonomous camera vehicles for potential intrusions, while allowing for customizable responses such as lighting activation or animal repellers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional home security systems with magnetic entry sensors and landline connections are used, then the system provides basic intrusion detection, but the system design is outdated and does not protect the external perimeter or provide preventive tracking
Solution Approach 1:
The security system is divided into multiple distributed wireless sensor units placed throughout the property perimeter, each independently detecting motion and vibration. This segmentation allows comprehensive perimeter coverage without requiring a complex centralized wiring system, resolving the contradiction between improved perimeter protection and reduced system complexity.
Solution Approach 2:
The patent replaces traditional mechanical wiring systems with wireless communication technology. Sensor units communicate with the control panel via wireless signals, eliminating the need for extensive physical wiring while maintaining reliable communication. This substitution enables expanded perimeter coverage without proportionally increasing system complexity.
2Loss of information
If CCTV based home surveillance systems are installed, then video monitoring capability is provided, but expensive installation and extensive wiring are required
Solution Approach 1:
The patent replaces wired CCTV systems with wireless sensor units that detect motion and vibration. These units transmit surveillance data wirelessly to the control panel, providing comprehensive property monitoring without the expensive wiring and installation requirements of traditional CCTV systems.
Solution Approach 2:
The system uses multiple inexpensive wireless sensor units distributed throughout the property instead of expensive centralized CCTV equipment. These simpler sensor units provide effective surveillance coverage at lower individual costs, reducing overall installation expense while maintaining monitoring capability.
3Ease of operation
If wireless sensors and cellular connections are used, then installation is simplified, but the systems continue to utilize the same basic design principles and do not provide preventive tracking
Solution Approach 1:
The system performs preliminary detection and classification of objects before intruders reach the house. By categorizing detected objects as animals, humans, or vehicles and assessing their behavior patterns, the system provides advance warning and enables preventive action, enhancing reliability while maintaining wireless ease of installation.
Solution Approach 2:
The control panel receives continuous feedback from distributed sensor units throughout the property, analyzing motion and vibration patterns to classify objects and assess threats. This feedback mechanism enables intelligent decision-making and preventive tracking capabilities while maintaining the simplicity of wireless sensor deployment.
4Measurement precision
If multiple sensors are distributed throughout the property, then detection coverage is improved, but the system complexity and data processing requirements increase
Solution Approach 1:
The patent combines motion sensors and vibration sensors within each distributed sensor unit, allowing simultaneous detection of different physical phenomena. This merging enables more accurate object classification (animal, human, vehicle) while keeping individual sensor units simple and the overall system manageable.
Solution Approach 2:
Each sensor unit independently performs local detection and the control panel automatically classifies objects based on sensor data patterns. The system self-manages the complexity of processing data from multiple distributed sensors through automated classification algorithms, improving detection accuracy without requiring manual system management.
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
Enhances perimeter security by providing real-time monitoring and alerting systems, allowing for proactive responses to potential threats and improving the detection and tracking of objects within a property's security perimeter.
Implementation Method 1
initially detecting motion of the object using at least one of a plurality of sensors disposed at different locations throughout a property
Implementation Method 2
a column portion that includes a vibration sensor
Data Source
AI summary
Monitoring an object includes initially detecting motion of the object using at least one of a plurality of sensors disposed at different locations throughout a property, estimating a risk level associated with the object, continuously monitoring the object in response to the object being greater than a pre-determined size and the risk level exceeding a first predetermined threshold in a first predetermined amount of time, and alerting a user in response to the object being continuously monitored and the risk level increasing to a second predetermined threshold within a second predetermined amount of time. Monitoring an object may also include halting monitoring of the object in response to the object leaving the property and/or the risk level being less than the first predetermined threshold for longer than the first predetermined amount of time. At least one of the sensor units may have a column portion that includes a vibration sensor.