Vehicle Control Device Abnormality Detection for Valet Parking
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Solution Overview
Problem
Automated driving vehicles cannot be guided effectively when an abnormality, such as a power failure, occurs in the valet parking guidance device, and existing technologies do not adequately address these situations.
Innovation Solution
A vehicle control device and method that includes a communicator, a driving controller, and an abnormality determiner to communicate with a parking lot management device, perform driving control, and restrict operations when an abnormality is detected, allowing for manual or independent automated driving modes to ensure safe vehicle operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If automated driving control is implemented based on parking lot management device guidance, then automated parking and exiting functionality is improved, but system reliability deteriorates when abnormality occurs in the parking lot management device
Solution Approach 1:
The patent divides the automated driving control into two independent segments: (1) automated parking control that uses parking lot management device guidance, and (2) independent automated driving control that operates without external guidance. When an abnormality is detected in the parking lot management device, the system switches from the first segment to the second segment, allowing the vehicle to perform automated driving tasks independently. This segmentation resolves the contradiction by maintaining automated functionality while eliminating dependency on the potentially faulty external system.
Solution Approach 2:
The patent implements beforehand cushioning by detecting abnormalities in the parking lot management device before they completely fail the automated parking function. The abnormality detection unit continuously monitors the guidance system, and when issues are detected, the system proactively switches to independent automated driving control mode. This preventive approach cushiones against complete system failure and maintains reliability while preserving automated parking capabilities.
2Reliability
If the vehicle performs automated driving independently without parking lot management device guidance, then reliability is improved during abnormality, but ease of operation deteriorates due to increased complexity of control switching
Solution Approach 1:
The patent applies self-service by implementing automatic detection and automatic switching mechanisms. The abnormality detection unit automatically monitors the parking lot management device for failures, and the driving control unit automatically switches between guided and independent automated driving modes without requiring user intervention. This self-service approach resolves the contradiction by maintaining high reliability through automatic failover while keeping ease of operation intact, as the user simply selects the automated driving mode and the system handles all switching decisions autonomously.
3Productivity
If the vehicle continues automated exiting based on faulty guidance, then productivity is maintained, but harmful factors increase due to potential congestion and safety issues
Solution Approach 1:
The patent implements feedback by continuously monitoring the parking lot management device for abnormalities through the abnormality detection unit. When faulty guidance is detected, the system provides feedback by switching to independent automated driving control, which determines exit routes and parking spaces without relying on the faulty external system. This feedback mechanism resolves the contradiction by maintaining productivity through continued automated operation while eliminating harmful factors by avoiding faulty guidance that could cause congestion or safety issues.
Data Source
AI summary
A vehicle control device includes a communicator configured to communicate with a parking lot management device having a function of guiding a vehicle, a driving controller configured to perform driving control including at least one of speed control and steering control of the vehicle, and an abnormality determiner configured to determine the presence or absence of an abnormality in the parking lot management device. The driving controller is configured to perform the driving control based on guidance of the parking lot management device on the basis of information received by the communicator from the parking lot management device and to restrict the driving control based on the guidance of the parking lot management device in a case where the abnormality determiner determines that the abnormality has occurred in the parking lot management device.