Accessory Port Authentication for Electrical Safety
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Solution Overview
Problem
Electrically powered vehicle accessories may not be designed to safely receive electrical power from vehicle accessory ports, posing a safety risk and leading to energy wastage as unsafely designed accessories attempt to draw power.
Innovation Solution
Implementing an authentication process for accessories before power transfer, where the accessory port detects a signal indicating coupling, determines authorization through accessory data analysis, and transfers power only if the accessory is authorized, ensuring safe operation and reducing energy wastage by withholding power from unauthorized accessories.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If electrical power is transferred to accessories without authentication, then accessibility and ease of operation are improved, but electrical safety and reliability deteriorate due to unsafely designed accessories
Solution Approach 1:
The system performs authentication of the accessory before transferring electrical power. The accessory port detects a coupling signal, analyzes accessory data to determine authorization, and only then enables power transfer. This preliminary authentication action ensures that only safely designed accessories receive power, resolving the contradiction between ease of operation and electrical safety.
2Productivity
If electrical power is continuously supplied to accessories, then productivity and ease of operation are improved, but energy wastage increases due to unauthorized accessories attempting to draw power
Solution Approach 1:
The system implements a feedback mechanism where the accessory port continuously monitors for coupling signals and authentication status. When an unauthorized accessory is detected, the system withholds power transfer, preventing energy wastage. This feedback loop maintains productivity for authorized accessories while eliminating energy loss from unauthorized ones.
3Reliability
If authentication process is implemented, then electrical safety and reliability are improved, but device complexity increases due to additional detection and analysis components
Solution Approach 1:
The accessory port is designed to perform multiple functions: detecting coupling signals, analyzing accessory data for authentication, and controlling power transfer. By making the accessory port multi-functional, the system achieves improved electrical safety through authentication without proportionally increasing device complexity, as the same physical port handles multiple tasks.
4Reliability
If power transfer is delayed for authentication, then electrical safety is improved, but time consumption increases during accessory activation
Solution Approach 1:
The authentication process is performed as a preliminary action before power transfer, using rapid signal detection and data analysis. By completing authentication quickly in advance, the system ensures electrical safety while minimizing the time delay during accessory activation, balancing reliability with time efficiency.
Data Source
AI summary
Particular embodiments may provide a computer-readable non-transitory storage media embodying software including instructions operable when executed to perform operations. The operations include detecting a signal indicating an accessory is coupled to an accessory port. In response to the signal, the operations further include determining whether the accessory is authorized to operate with the accessory port. In response to a determination that the accessory is authorized to operate with the accessory port, the operations further include transferring electrical power to the accessory.