Automobile Tracking Device Immobilizer Control
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Solution Overview
Problem
There is a need for a system that allows users to track their vehicles in real-time and disable them if stolen, addressing concerns such as vehicle theft, maintenance, location tracking, and safety features like airbag deployment notifications.
Innovation Solution
An automobile tracking and notification device equipped with a GPS chip, processor, cellular transceiver, and immobilizer-unit control interface, which enables real-time location tracking, alerts for potential theft or accidents, and the ability to disable the vehicle remotely through an immobilizer unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If real-time vehicle tracking and monitoring is implemented, then vehicle security and safety are improved, but device complexity and power consumption increase
Solution Approach 1:
The tracking device integrates multiple functions including GPS location tracking, cellular communication, immobilizer control, and various sensor monitoring into a single unit. This multi-functional approach improves vehicle security comprehensively while avoiding the need for multiple separate devices that would increase overall system complexity.
Solution Approach 2:
The device uses cellular networks as an intermediary communication channel between the vehicle, the tracking device, and remote servers. This allows real-time monitoring and control without requiring direct complex wiring or communication protocols between all system components, simplifying the overall architecture.
2Reliability
If real-time vehicle tracking and monitoring is implemented, then vehicle security and safety are improved, but power consumption increases
Solution Approach 1:
The tracking device periodically updates vehicle location and status information rather than continuously transmitting data. The system adjusts the frequency of updates based on vehicle state (moving vs. stationary) and security conditions, reducing power consumption while maintaining effective monitoring capability.
Solution Approach 2:
The device automatically manages its own power consumption by monitoring vehicle electrical systems, entering low-power states when appropriate, and prioritizing critical functions. The immobilizer system also provides self-protection by cutting power to the vehicle's electrical systems when theft is detected, which simultaneously protects the tracking device's power supply.
3Reliability
If the vehicle can be disabled remotely through immobilizer control, then theft prevention is improved, but system complexity and potential false disabling increase
Solution Approach 1:
The system continuously monitors vehicle status through multiple sensors and communicates with the vehicle's computer systems to verify actual theft conditions before activating the immobilizer. This feedback mechanism reduces false positives by cross-validating data from GPS location changes, sensor readings, and communication patterns before disabling the vehicle.
Solution Approach 2:
The tracking device establishes communication with the vehicle's immobilizer system during normal operation, pre-configuring the control interface and verifying system compatibility. This preliminary setup ensures that when theft detection occurs, the disable command can be executed immediately through already-established communication channels, reducing response time and complexity during critical moments.
Data Source
AI summary
An automobile tracking and notification device and an associated communication system provide numerous safety and convenience features that ease the stress of daily operation of an automobile. The device provides functionality for monitoring the location of the vehicle and providing real-time location updates to the user; detecting when the vehicle is being towed or stolen and providing real-time alerts to the user and/or to local authorities; detecting when the vehicle is involved in an accident and alerting nearby authorities; and providing information and guidance relating to diagnostic trouble codes.