Vehicle Security System Using Accelerometer Data for Crash Alerts
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Solution Overview
Problem
Current vehicle security systems lack comprehensive features to detect and respond to potential threats, such as vehicle crashes and low-level security breaches, and do not effectively communicate vehicle location or acceleration data for remote monitoring and emergency alerts.
Innovation Solution
A vehicle control system incorporating a wireless communications device, a GPS device, an accelerometer, and controllers to generate and transmit security warning signals, including pre-warning and full-warning alerts, based on vehicle acceleration data, using a data communications bus for local and remote indicators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional vehicle security systems use basic sensors and alarm indicators only, then the system complexity is low, but the security detection capability and response effectiveness are insufficient
Solution Approach 1:
The patent combines multiple existing vehicle components (accelerometer from air bag system, GPS from navigation system, wireless communications from telematics) into an integrated security system. This merging approach enhances security detection capability by utilizing data from multiple sources while avoiding the complexity of adding entirely new dedicated security components.
Solution Approach 2:
The security control unit is designed to perform multiple functions: monitoring accelerometer data for both crash detection and security threats, processing GPS location data for tracking and geofencing, generating different types of alerts (crash alerts, security warnings, full alarms), and communicating through various channels. This multi-functionality increases security capability without proportionally increasing system complexity.
2Reliability
If the system generates comprehensive security warnings and crash alerts with remote notification, then the security response effectiveness is improved, but the energy consumption and communication resource usage increase
Solution Approach 1:
The system pre-positions alert patterns (security warning, full security alarm, crash alert) and communication protocols within the control unit during system initialization. When a threat is detected, the pre-prepared alert patterns are immediately deployed without requiring complex real-time generation or external resource allocation, thus improving response effectiveness while minimizing additional energy consumption.
3Ease of manufacture
If the system uses existing vehicle components like accelerometer and GPS for security monitoring, then the manufacturing cost is reduced, but the measurement precision and reliability for security-specific detection may be compromised
Solution Approach 1:
The security control unit implements configurable threshold parameters and detection criteria that can be adjusted to optimize security-specific detection. By modifying the operational parameters (sensitivity thresholds, alert triggers, monitoring zones) of existing components rather than changing the components themselves, the system achieves improved security detection precision while maintaining cost-effectiveness.
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 vehicle security by providing timely alerts and remote notification of potential threats and crashes, leveraging existing vehicle components for improved threat detection and response.
Implementation Method 1
an accelerometer, and a controller configured to generate a security warning signal based upon the accelerometer
Data Source
AI summary
A vehicle control system may include a wireless communications device, a vehicle position determining device, and an accelerometer. The vehicle control system may also include at least one controller configured to communicate vehicle position information based upon the vehicle position determining device via the wireless communications device, and communicate vehicle acceleration data based upon the accelerometer via the wireless communications device. The controller may also be configured to generate a security pre-warning signal based upon the accelerometer.