Automatic Valet Parking Control for Vehicle-Specific Driver Actions

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Solution Overview

Problem

Existing control devices in automatic valet parking facilities struggle to accurately identify and perform actions for the driver of a vehicle at a specific position based on previously obtained vehicle characteristics information, as they cannot reliably associate this information with the correct vehicle at that location.

Innovation Solution

The control device obtains characteristics and identification information of the vehicle before it reaches a specific position on the parking route, records this information, and uses it to perform actions for the driver, such as entry restrictions or guidance, by matching the vehicle's AVP system type and dynamic estimation accuracy with the facility's requirements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of time

If the control device obtains vehicle characteristics information in advance before the vehicle arrives at a specific position, then the control device can perform actions according to vehicle characteristics, but the control device cannot accurately identify which vehicle the obtained information corresponds to

Engineering Contradiction:
Improvetime for obtaining vehicle informationVSAvoidaccuracy of vehicle identification
Core Design Contradiction:
Loss of timeVSLoss of information

Solution Approach 1:

The control device performs preliminary actions by obtaining vehicle characteristics information before the vehicle reaches the specific position. The in-advance obtainment unit collects information such as AVP system type and dynamic estimation accuracy in advance, storing it temporarily until the vehicle arrives at the specific position where the specific obtainment unit can match it with the correct vehicle using identification information.

Inventive Principle:
Principle #10Preliminary action

2Loss of information

If the control device waits until the vehicle is at the specific position to obtain vehicle information, then the control device can accurately identify the vehicle, but the control device cannot perform timely actions for the driver

Engineering Contradiction:
Improveaccuracy of vehicle identificationVSAvoidtime for performing actions
Core Design Contradiction:
Loss of informationVSLoss of time

Solution Approach 1:

The system performs preliminary information gathering before the vehicle reaches the specific position. The in-advance obtainment unit collects vehicle characteristics information early, so that when the vehicle arrives at the specific position and is identified by the specific obtainment unit, the matching process can immediately retrieve pre-collected information, enabling timely actions without delay.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If the control device collects detailed vehicle characteristics information, then the control device can provide personalized guidance and restrictions, but the complexity of information management increases

Engineering Contradiction:
Improveability to provide personalized actionsVSAvoidcomplexity of information management
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The vehicle characteristics information is segmented into distinct, manageable parameters such as AVP system type, dynamic estimation accuracy, and other specific characteristics. Each parameter is obtained and stored separately by the in-advance obtainment unit, allowing the control device to manage complex information through structured segmentation rather than as a monolithic data set.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS12437641B2Control device, automatic valet parking facility, and method for performing action according to characteristics of vehicle
Publication Date: 2025.10.07 DENSO CORP
  • US12437641B2 patent drawing
  • US12437641B2 patent drawing
  • US12437641B2 patent drawing

AI summary

A control device for an automatic valet parking facility includes: an in-advance obtainment unit configured to obtain, before the vehicle arrives at a specific position on a route to a parking area where automated driving for parking is performed according to a guidance of the control device, (i) characteristics information indicating characteristics of a vehicle that is about to enter the parking area and (ii) identification information of the vehicle; a specific obtainment unit configured to obtain the identification information of the vehicle located at the specific position; and an action unit configured to perform an action for a driver of the vehicle located at the specific position according to the characteristics information, among the characteristics information that has been obtained, corresponding to the identification information obtained from the vehicle located at the specific position.