Vehicle Pull-Out Control for Smooth Auto-to-Manual Transition

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Solution Overview

Problem

Existing driving assistance systems face challenges in safely transitioning from automated driving mode to manual mode during vehicle pulling out, often resulting in inappropriate stopping positions that can lead to collisions with other vehicles.

Innovation Solution

A driving assistance apparatus that includes an input section for sensor information and a control section to determine a movement path from a parking space to a road region, allowing automated steering while leaving accelerator control to the user, and smoothly switching to manual mode based on user steering input.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the vehicle stops at pulling-out completion position to switch from automated driving mode to manual driving mode, then the mode transition is completed, but the vehicle may collide with another vehicle because the stopping position cannot be anticipated by other vehicles

Engineering Contradiction:
Improvesafety of mode transitionVSAvoidcollision risk with other vehicles
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The system performs preliminary actions by having the vehicle enter the road region and maintain movement before the mode transition is completed. The automated driving mode continues to control the vehicle until the transition to manual mode is finalized, ensuring the vehicle is already in a safe position within the road region where its movement is visible to other drivers.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The vehicle's movement continues without interruption during the mode transition. The automated driving control maintains the vehicle's motion into the road region while the mode switching process occurs, eliminating unnecessary stopping and ensuring continuous, predictable movement that other vehicles can anticipate.

Inventive Principle:
Principle #20Continuity of useful action

2Ease of operation

If automated pulling out is implemented to reduce driver burden, then fine steering operations are automated, but the vehicle may stop at inappropriate positions during mode transition

Engineering Contradiction:
Improvedriver burden during pulling outVSAvoidpositioning accuracy during mode transition
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The automated driving mode acts as an intermediary that bridges the automated pulling out function and the manual driving mode. It maintains control during the transition phase, ensuring smooth and accurate positioning into the road region while gradually transferring control to the driver, thereby preventing inappropriate stopping positions.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Object-affected harmful factors

If the vehicle enters the road region before completing mode transition, then collision risk is reduced, but the driver may feel discomfort during the transition

Engineering Contradiction:
Improvecollision risk with other vehiclesVSAvoiddriver comfort during mode transition
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The system provides feedback to the driver during the mode transition process, likely through notifications or interface signals that inform the driver of the ongoing transition. This maintains driver awareness and comfort while the automated system continues to control the vehicle's movement into the road region safely.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS20240199090A1Driving assistance apparatus, and vehicle
Publication Date: 2024.06.20 PANASONIC AUTOMOTIVE SYST CO LTD
  • US20240199090A1 patent drawing
  • US20240199090A1 patent drawing
  • US20240199090A1 patent drawing

AI summary

A control method for a driving assistance apparatus of a vehicle, the driving assistance apparatus coupled with a sensor monitoring an ambient area of the vehicle, the control method including generating a travel path from a parking space to a road region using input from the sensor, traveling the vehicle part of the travel path using a second input from the sensor in a first autonomous traveling mode, traveling the vehicle another part of the travel path using a third input from the sensor in a second autonomous traveling mode, and switching from the second autonomous driving mode to a manual driving mode in response to a steering operation of the vehicle being performed by the user while the vehicle is travelling the second part of the travel path in the second autonomous mode.