Vehicle Input Apparatus with Layered Vibration Feedback

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Solution Overview

Problem

As vehicles become increasingly equipped with various functions to enhance convenience and comfort, the operating load on drivers increases, leading to decreased concentration and difficulty in safely operating the vehicle, necessitating a solution to reduce driver workload and improve control interfaces.

Innovation Solution

A vehicle-mounted input apparatus that senses pressure through a pressure sensing area and generates vibrations using a layered actuator system to provide feedback on both the position and direction of pressure input, allowing for intuitive control of vehicle functions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple vehicle functions are added to improve convenience and comfort, then passenger convenience and comfort are improved, but driver operating load increases

Engineering Contradiction:
Improvevehicle functionsVSAvoiddriver operating load
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent implements a feedback mechanism where the input apparatus provides vibration feedback to the driver based on pressure sensing. When pressure is detected within a threshold range, the system generates vibrations that guide the driver's input direction, creating a closed-loop feedback system that reduces operating load while maintaining control over multiple vehicle functions

Inventive Principle:
Principle #23Feedback

2Ease of operation

If touch input device is used to reduce operating load, then ease of operation is improved, but control precision and direction accuracy may be compromised

Engineering Contradiction:
Improvedriver input easeVSAvoidpressure direction detection accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent applies local quality by providing differentiated vibration feedback at specific locations on the input apparatus. Different vibration patterns and intensities are generated depending on the pressure direction and magnitude, allowing precise directional information to be communicated to the driver's finger, thereby maintaining control precision while preserving ease of operation

Inventive Principle:
Principle #3Local quality

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The system reduces driver workload by providing intuitive and direct feedback, enhancing the accuracy and ease of controlling vehicle functions, thereby improving safety and reducing operator difficulty.

Implementation Method 1

a plurality of actuators for generating vibration is arranged

Methodology Applied
Scientific EffectElectromagnetic effect: Electromagnetic Induction

Implementation Method 2

a plurality of actuators for generating vibration is arranged

Methodology Applied
Scientific EffectPiezoelectric effect: Piezoelectric Effect

Data Source

PatentUS10732713B2Vehicle and control method thereof
Publication Date: 2020.08.04 HYUNDAI MOTOR CO LTD
  • US10732713B2 patent drawing
  • US10732713B2 patent drawing
  • US10732713B2 patent drawing

AI summary

A vehicle includes an input apparatus configured to sense pressure through a pressure sensing area and a vibration generator configured to include a first layer and a second layer, in which a plurality of actuators for generating vibration is arranged. The first and second layers are stacked at positions corresponding to pressure sensing positions of a pressure sensing area. The apparatus includes a controller configured to control the vibration generator to generate a first vibration at a position corresponding to a sensing position of the pressure on the pressure sensing area through the first layer, and to generate a second vibration at a position corresponding to a direction of the sensed pressure on the pressure sensing area through the second layer. A method of controlling the vehicle utilizes the input apparatus.