Vehicle Control Apparatus Reciprocating Operation Validation

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Solution Overview

Problem

Automated driving vehicles face issues with unintentional movement due to careless or accidental operations on the remote control screen, leading to safety concerns during automated parking.

Innovation Solution

A vehicle control apparatus with an operation screen equipped with a contact sensor that issues instructions to move the vehicle only after a reciprocating operation meets predetermined conditions, such as cumulative distance and stroke count, to ensure valid operator intent.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the operation screen responds to any contact operation, then the ease of operation is improved, but the reliability deteriorates due to unintentional operations causing unintended vehicle movement

Engineering Contradiction:
Improveease of operationVSAvoidreliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system performs preliminary validation of the operation by detecting whether the contact is intentional before executing the vehicle movement command. The contact sensor detects contact information and the control unit determines whether the contact is intentional based on predetermined conditions (such as contact duration, pressure threshold, or specific operation patterns). Only after this preliminary determination does the system proceed to output the movement command, thereby preventing unintentional operations while maintaining ease of use for intentional operations.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If the system requires validation conditions for operation, then the reliability is improved by preventing unintentional operations, but the ease of operation deteriorates due to additional operation steps

Engineering Contradiction:
ImprovereliabilityVSAvoidease of operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system changes parameters of the operation detection by using a contact sensor that measures specific parameters such as contact duration, pressure force, or operation pattern. The control unit compares these measured parameters against predetermined thresholds or patterns to determine intentionality. This allows the system to distinguish between intentional and unintentional contacts through parameter analysis rather than requiring additional manual validation steps, thus maintaining ease of operation while improving reliability.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS11372401B2Vehicle control apparatus
Publication Date: 2022.06.28 HONDA MOTOR CO LTD
  • US11372401B2 patent drawing
  • US11372401B2 patent drawing
  • US11372401B2 patent drawing

AI summary

A vehicle control apparatus is provided. The apparatus includes an operation screen including a contact sensor and remotely issues an instruction to move a vehicle, wherein output of the instruction to move the vehicle is started based on a reciprocating operation on the operation screen in a case in which the reciprocating operation has satisfied a predetermined condition, and the predetermined condition includes a condition related to at least one of a cumulative distance and a count of a stroke of the reciprocating operation.