Infotainment Virtualization for Car Sharing Data Security
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Solution Overview
Problem
In car sharing environments, infotainment systems are standardized, failing to meet diverse user needs and causing personal information protection issues due to retained navigation and device connection data.
Innovation Solution
A personalized infotainment virtualization system that uses a cloud-based approach to manage and discard user data upon car return, allowing for flexible device connections and customized experiences through a virtualized environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a standardized infotainment system is used in car sharing environment, then system simplicity and ease of manufacture are improved, but user personalization and data security deteriorate
Solution Approach 1:
The system is segmented into multiple virtual machines, each providing a personalized infotainment environment for different users. The physical infotainment system is divided into isolated virtual spaces where each user experiences a customized interface and settings, resolving the contradiction between standardized hardware and personalized service.
Solution Approach 2:
A single physical infotainment system achieves multi-functionality by hosting multiple virtual machines that can be dynamically allocated to different users. Each virtual machine provides standardized functionality while supporting personalized configurations, allowing one system to serve multiple user needs simultaneously.
2Ease of operation
If user data is retained in the infotainment system, then service continuity and user experience are improved, but personal information security deteriorates
Solution Approach 1:
A cloud-based server acts as an intermediary between users and the infotainment system. User data is stored and managed in the cloud rather than locally in the vehicle, allowing service continuity through cloud synchronization while preventing local data leakage. The virtual machine environment further mediates data access, ensuring personal information security.
Solution Approach 2:
Instead of storing original user data locally, the system creates virtual copies of user environments in the cloud. These copied environments maintain service continuity across different vehicles while the original personal information remains secured in isolated cloud storage, separate from the physical infotainment system.
3Productivity
If multiple users share the same infotainment system, then resource utilization and productivity are improved, but user experience customization deteriorates
Solution Approach 1:
The system dynamically allocates and configures virtual machines based on user identity and preferences. When a user rents a vehicle, their personalized virtual environment is dynamically created or activated, providing customized experience. When the vehicle is returned, the virtual environment is destroyed or deactivated, ensuring resource efficiency and preventing data persistence.
Solution Approach 2:
The system changes key parameters such as user ID, virtual machine configuration, and data retention status based on rental events. These parameter changes enable the same physical system to provide different customized experiences for different users while maintaining efficient resource utilization through automated lifecycle management.
Data Source
AI summary
A personalized infotainment virtualization method in a car sharing environment is provided. The method includes receiving personalized data from a cloud when receiving a request from a user, storing the personalized data in a physical repository within an automotive infotainment system, reading the personalized data by connecting a virtual repository that is generated through a virtual machine and the physical repository when the virtual machine is executed through a predetermined virtualization library, and executing a service application that is to operate in the virtual machine based on the personalized data.