Curve-Assist Vehicle Control for Driver-Intent Acceleration

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Solution Overview

Problem

Conventional vehicle control systems struggle to implement processes that align with a driver's intention, particularly in accelerating or decelerating the vehicle according to the driver's input.

Innovation Solution

A vehicle control device and method that acquires information about a curved road and the driver's acceleration operation, allowing for deceleration control and notification control while enabling acceleration at first and second accelerations, respectively, to align with the driver's intention, and suppressing unintended acceleration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If assistance control is performed to decelerate the vehicle before entering a curved road, then the vehicle can safely navigate the curve, but the driver's acceleration intention may be suppressed causing unintended deceleration

Engineering Contradiction:

Improvesafe curve navigationVSAvoiddriver's acceleration intention

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The control system dynamically adjusts its behavior based on real-time detection of driver acceleration operations. When acceleration operation is detected during assistance control, the system transitions from deceleration control to acceleration control, making the control characteristics flexible and adaptive to driver intention

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system continuously monitors driver operations as feedback and adjusts control accordingly. By detecting acceleration operations during assistance control, the system receives feedback about driver intention and modifies the control output to match the driver's desired vehicle behavior

Inventive Principle:

Principle #23Feedback

2Productivity

If the vehicle accelerates at first acceleration when assistance control is not operating, then the driver's acceleration intention is fully responded to, but unintended acceleration may occur when assistance control should be active

Engineering Contradiction:

Improveacceleration responseVSAvoidunintended acceleration prevention

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The control system changes acceleration characteristics dynamically based on the operational state. When assistance control is active, the system uses second acceleration (suppressed) instead of first acceleration, adapting the control strength to the current driving situation to prevent unintended acceleration

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS12534077B2Vehicle control device, vehicle control method, and storage medium

Publication Date: 2026.01.27 HONDA MOTOR CO LTD

AI summary

While the vehicle is traveling in a segment from an entrance to a curved road to a position a predetermined distance before the entrance or while the vehicle is traveling on the curved road, the vehicle control device performs assistance control that is one or both of deceleration control based on first information and notification control, accelerates the vehicle at first acceleration in a case where second information has been acquired when the vehicle is not traveling in the segment or on the curved road and the assistance control is not operating, and accelerates the vehicle at second acceleration that is suppressed as compared with the first acceleration by ending the assistance control in a case where the second information has been acquired when the vehicle is performing the assistance control.