Vehicle Range Projection Estimation During Network Interruptions
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Solution Overview
Problem
Vehicles face challenges in estimating a geographically reachable area when remote vehicle range projection services become unavailable due to service interruptions or delays, such as network congestion or weather conditions, which prevent the retrieval of up-to-date routing and range projection information.
Innovation Solution
A system is implemented in the vehicle with a computer processor and logic that stores vehicle range projection data, scales it based on updated energy levels, and displays a visual representation of the scaled data when a network service interruption occurs, allowing for on-board estimation of the vehicle's travel range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the vehicle relies on remote network services for range projection data, then the accuracy and up-to-date nature of routing information is improved, but the system becomes vulnerable to service interruptions and network delays
Solution Approach 1:
The system performs preliminary actions by storing range projection data locally in the vehicle's storage device before network service interruptions occur. This allows the vehicle to access previously received range projection information when remote services become unavailable, ensuring continuous operation without real-time network connectivity.
Solution Approach 2:
The system creates a local copy of the range projection data by storing it in the vehicle's storage device. This copy enables the vehicle to independently access and use range projection information without requiring continuous connection to remote network services, thereby resolving the contradiction between accuracy and service availability.
2Reliability
If the vehicle stores and processes range projection data locally, then service availability during interruptions is improved, but the device complexity increases
Solution Approach 1:
The vehicle's computer processor and storage device perform multiple functions: they store range projection data, detect network service status, retrieve stored data when needed, and display information to the user. This multi-functionality reduces the need for separate dedicated components, thereby managing device complexity while improving service availability.
Solution Approach 2:
The vehicle system serves itself by autonomously detecting network service interruptions and automatically retrieving and displaying stored range projection data without requiring external intervention. This self-service capability simplifies the overall system architecture by eliminating the need for complex manual override mechanisms or additional assistance systems.
3Duration of action of moving object
If the vehicle uses stored range projection data during service interruptions, then navigation continuity is improved, but the data may not reflect current energy levels or route conditions
Solution Approach 1:
The system performs preliminary actions by storing range projection data before network interruptions occur. When service is restored, the system can compare previously stored data with newly received information, ensuring that the most current and accurate data is used for navigation while maintaining continuity during interruptions.
Solution Approach 2:
The system implements feedback by continuously monitoring network service availability and comparing stored range projection data with newly received data when service is restored. This feedback mechanism ensures that the vehicle uses the most accurate and up-to-date information while maintaining navigation continuity during service interruptions.
Data Source
AI summary
Vehicle range projection estimation is implemented by a computer processor of a vehicle having logic executable thereon. The logic receives vehicle range projection data from a remote system over a network as a network service. The vehicle range projection data represents a bounded geographic area in which the vehicle is capable of traveling. The bounded geographic area is defined by global positioning system coordinates attributable to the vehicle in conjunction with an available amount of remaining energy of the vehicle. The logic also stores the vehicle range projection data in a storage device. Upon determining an interruption in a network service has occurred, the logic retrieves stored vehicle range projection data from the storage device, scales the stored vehicle range projection data to a level commensurate with an updated amount of remaining energy of the vehicle, and displays a visual representation of scaled vehicle range projection data in the vehicle.