Vehicle Key Fob Alerts Based on Parking Location Risk
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Solution Overview
Problem
Existing vehicle systems lack efficient methods to notify owners when a key fob is left inside the vehicle, particularly in varying locations, leading to unnecessary messages and resource wastage.
Innovation Solution
A vehicle status system that determines the location of a parked vehicle and schedules messages to a user device based on the presence of the key fob, type of location, and vehicle status, sending alerts only when unidentified persons are detected in isolated or public areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system sends messages to notify owners of key fob presence in all locations, then owner awareness is improved, but bandwidth and computing resources are wasted
Solution Approach 1:
The system applies different notification behaviors based on location type. In secure locations (first type), no messages are sent. In isolated locations (second type), messages are sent only when unidentified persons are detected. In public locations (third type), messages are sent immediately. This location-specific differentiation resolves the contradiction by tailoring the notification approach to the security context of each location.
2Loss of time
If the system sends immediate alerts for key fob presence, then response time is improved, but unnecessary messages are generated in secure locations
Solution Approach 1:
The system pre-classifies locations into three types (secure, isolated, public) before notification is needed. This preliminary classification allows the system to immediately determine the appropriate notification behavior when a key fob is detected, avoiding both delays and unnecessary messages by having the response strategy ready in advance.
3Measurement precision
If the system monitors all locations equally, then detection accuracy is maintained, but computing resources are wasted
Solution Approach 1:
The system changes the monitoring parameters based on location type. In secure locations, monitoring is effectively disabled (no messages sent). In isolated locations, monitoring is activated conditionally (only when unidentified persons detected). In public locations, monitoring is fully active (immediate messages). This parameter adjustment maintains detection accuracy where needed while conserving computing resources where unnecessary.
Data Source
AI summary
Upon detecting that a vehicle is parked, based on data from at least one of a sensor and a component in the vehicle, determine a location of the vehicle. Upon detecting that a vehicle operator has exited the vehicle, based on data from at least one of a sensor and a component in the vehicle, determine if the key fob is in the vehicle. Upon detecting that the key fob is in the vehicle, and based on the location of the vehicle, schedule a message to a user device.