Vehicle Steering Trajectory Adjustment via User Setting Signals

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Solution Overview

Problem

Existing vehicle information processing systems struggle to incorporate user intentions into steering control, particularly when users want to adjust the travel trajectory while the system continues to control the steering.

Innovation Solution

A vehicle information processing device that receives user setting signals to adjust the target travel trajectory, acquires white line information and lane shape data, and generates instruction information for the steered angle to align the vehicle with the intended trajectory.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Extent of automation

If the information processing device automatically controls the steering based on pre-stored user characteristics and road shape, then the steering control is automated and efficient, but the system cannot adapt to real-time user intentions to adjust the travel trajectory

Engineering Contradiction:
Improvesteering control automationVSAvoidtrajectory adjustment adaptability
Core Design Contradiction:
Extent of automationVSAdaptability or versatility

Solution Approach 1:

The system dynamically adjusts the target travel trajectory by receiving setting signals from the user during vehicle operation. The processing circuitry modifies the trajectory in real-time based on user inputs while maintaining automated steering control, allowing the system to adapt between automated and user-adjusted modes without manual steering intervention.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the user manually adjusts the travel trajectory by providing setting signals, then the trajectory reflects user preferences, but the steering control complexity increases

Engineering Contradiction:
Improvetrajectory customizationVSAvoidsteering control system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system incorporates feedback from user setting signals to adjust the target travel trajectory. The processing circuitry receives setting signals from the user, processes these inputs, and modifies the trajectory accordingly. This feedback mechanism allows the system to respond to user preferences while maintaining a relatively simple control architecture where the user's intent directly influences the automated steering output.

Inventive Principle:
Principle #23Feedback

3Speed

If the system generates instruction information based on pre-stored steering characteristics, then the steering response is fast and consistent, but the system cannot accommodate real-time changes in user driving preferences

Engineering Contradiction:
Improvesteering response speedVSAvoidreal-time preference adaptation
Core Design Contradiction:
SpeedVSAdaptability or versatility

Solution Approach 1:

The system pre-stores steering operation characteristics for multiple users and uses this preliminary data to generate appropriate steering instructions. When a user provides setting signals during operation, the system combines these real-time inputs with the pre-stored characteristics to generate updated instruction information, maintaining fast response while adapting to current user preferences.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS20250171082A1Vehicle information processing device
Publication Date: 2025.05.29 TOYOTA JIDOSHA KK
  • US20250171082A1 patent drawing
  • US20250171082A1 patent drawing

AI summary

Processing circuitry sets multiple reference positions in an extending direction of a travel lane based on a setting signal generated based on an operation by a user. Each of the reference positions is a specific position in a lateral direction in the travel lane at a position in an extending direction of the travel lane. A target travel trajectory is obtained as an imaginary line formed by connecting the reference positions to each other in the extending direction of the travel lane. The processing circuitry generates instruction information of a steered angle of a steered wheel of a vehicle so as to cause the vehicle to travel along the target travel trajectory.