Vehicle Shift Mechanism Vibration Feedback for Stage Recognition

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Solution Overview

Problem

Erroneous operations in electronic shift mechanisms of vehicles can lead to driving accidents due to misrecognition of shifting stages, as drivers may mistakenly operate the shift mechanism.

Innovation Solution

A system and method that configures the shift mechanism to vibrate when a signal is input, using a shift determination unit and control unit to transmit signals to an actuator, generating distinct vibration patterns for different shifting stages (P, R, N, D) to ensure the driver recognizes the correct shifting stage, thereby preventing erroneous operations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If an electronic shift mechanism is applied to reduce shifting burden, then driving convenience is improved, but erroneous operation may occur due to misrecognition of shifting stages

Engineering Contradiction:

Improveshifting burdenVSAvoiderroneous operation

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent implements feedback by providing vibration signals to the driver when a shifting stage is selected. The control unit receives shift information from the shift determination unit and transmits signals to actuators that generate vibrations in the shift mechanism, creating tactile feedback that confirms the selected shifting stage to the driver and prevents misrecognition

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The patent applies mechanical vibration as a feedback mechanism. When the control unit determines that a drivable shifting stage is selected, it transmits a signal to an actuator that generates vibration in the shift mechanism. This vibration provides tactile confirmation to the driver, ensuring correct recognition of the selected shifting stage while maintaining ease of operation

Inventive Principle:

Principle #18Mechanical vibration

2Loss of information

If vibration feedback is provided for all shifting stages, then driver recognition is improved, but energy consumption increases

Engineering Contradiction:

Improveshifting stage recognitionVSAvoidenergy consumption

Core Design Contradiction:

Loss of informationVSUse of energy by moving object

Solution Approach 1:

The patent applies local quality by providing vibration feedback selectively rather than uniformly for all shifting stages. The control unit determines whether to generate vibration based on the specific shifting stage selected, providing feedback only when appropriate (e.g., for drivable stages), thereby reducing unnecessary energy consumption while maintaining effective driver recognition

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The patent changes the parameter of vibration generation from a constant state to a conditional state. The control unit adjusts whether vibration occurs based on the detected shifting stage, changing the vibration parameter dynamically to match driving conditions and minimize energy consumption while ensuring proper recognition

Inventive Principle:

Principle #35Parameter changes

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 effectively prevents erroneous operations by providing distinct vibration feedback to the driver, ensuring accurate recognition of shifting stages and enhancing driving safety.

Implementation Method 1

a control unit configured to receive the information on the shifting stage from the shift determination unit and to transmit a signal to an actuator so that the actuator generates the vibration in the shift mechanism

Methodology Applied

Scientific EffectElectromagnetic actuation: Electromagnetic Induction

Implementation Method 2

Methodology Applied

Scientific EffectPiezoelectric actuation: Piezoelectric Effect

Data Source

PatentUS11821515B2System and method of controlling shift mechanism for vehicle

Publication Date: 2023.11.21 HYUNDAI MOTOR CO LTD

AI summary

A system and method of controlling a shift mechanism for a vehicle, includes a shift determination unit configured to determine information on a shifting stage of the vehicle according to an operation of the shift mechanism; and a control unit configured to receive the information on the shifting stage from the shift determination unit and to transmit a signal such that vibration is generated in the shift mechanism when the shifting stage switched by operation of the shift mechanism is a drivable shifting stage, wherein when a driver operates the shift mechanism to switch a shifting stage to a drivable shifting stage, a signal according to the corresponding shifting stage is transmitted to enable the driver to recognize the switched shifting stage and thus to prevent erroneous operation, ensuring driving safety.