Remote Vehicle Startup Communication Disruption Handling
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Solution Overview
Problem
In remote startup systems, communication disruptions between terminals, center servers, and vehicles prevent users from safely stopping driving devices, such as engines or air conditioning compressors, when they are started up based on a startup request.
Innovation Solution
Incorporating a stop unit and communication availability determination unit in the center server or vehicle to automatically stop the driving device when communication disruptions occur, allowing periodic request signals to determine availability and initiate shutdowns based on predetermined thresholds, and enabling restarts via alternative commands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a center type remote startup system is used to start driving devices remotely, then the driving device can be started up based on a startup request from a terminal, but when communication is disrupted between the terminal and center server or between the center server and the vehicle, the user cannot perform a remote operation to stop the driving device
Solution Approach 1:
The system performs preliminary actions by having the vehicle automatically stop the driving device when communication disruption is detected. The vehicle monitors communication status and executes stop commands without waiting for user input, preventing the problem of unable to stop the driving device during communication disruption.
Solution Approach 2:
The system implements feedback mechanisms where the vehicle reports communication status and operational state to the center server, and the center server monitors communication between terminal and server. This feedback loop enables automatic detection of communication disruptions and triggers appropriate stop actions.
2Reliability
If the driving device is automatically stopped when communication disruption is detected, then the driving device can be safely stopped even during communication disruption, but the system complexity increases due to adding stop unit and communication availability determination unit
Solution Approach 1:
The vehicle performs self-service by autonomously monitoring communication status and executing stop commands when disruption is detected. The vehicle's controller independently determines communication availability and controls the driving device without requiring constant external control, reducing the need for complex additional components.
Solution Approach 2:
The center server performs multiple functions: it manages startup requests, monitors communication between terminal and server, and can issue stop commands. The vehicle's controller also performs multiple functions: receiving startup/stop commands, monitoring communication status, and controlling the driving device. This multi-functionality reduces overall system complexity.
Data Source
AI summary
A remote startup system includes a terminal, a center server configured to communicate with the terminal and receive a startup request from the terminal, and a vehicle on which a driving device is mounted, the vehicle being configured to communicate with the center server, receive the startup request from the center server, and start up the driving device. At least one of the center server and the vehicle includes a stop unit configured to stop the driving device of the vehicle when communication between the terminal and the center server or between the center server and the vehicle is disrupted in a case where the driving device is started up based on the startup request and being operated.