Adaptive Voice Guidance Frequency for Navigation Systems

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Conventional navigation systems provide voice route guidance at a fixed frequency, which can be either too frequent and distracting or too infrequent, failing to meet user convenience and potentially compromising safe driving.

Innovation Solution

A route guidance method that adjusts the frequency of voice guidance based on user input, allowing users to suppress or request voice guidance, and automatically adjusts the guidance level based on user interactions, such as the number of suppress and request commands, to tailor the frequency to individual preferences.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If voice route guidance is provided at a fixed high frequency, then users receive comprehensive navigation information, but users experience excessive interruptions that disturb safe driving

Engineering Contradiction:

Improvenavigation information completenessVSAvoiddistraction to safe driving

Core Design Contradiction:

Loss of informationVSObject-affected harmful factors

Solution Approach 1:

The patent implements dynamic adjustment of voice guidance frequency based on real-time user feedback (suppress commands and request commands). The system transitions from static fixed-frequency guidance to dynamic adaptive guidance, where the guidance level changes according to user preferences accumulated over time, resolving the contradiction between information completeness and driver distraction

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system incorporates user feedback mechanisms where users can issue suppress commands to reduce guidance frequency or request commands to increase it. The navigation device counts these commands and automatically adjusts the guidance level accordingly, creating a closed-loop feedback system that adapts to user needs while maintaining safe driving conditions

Inventive Principle:

Principle #23Feedback

2Object-affected harmful factors

If voice route guidance is provided at a fixed low frequency, then users experience fewer interruptions for safe driving, but users may miss necessary guidance information

Engineering Contradiction:

Improvedistraction to safe drivingVSAvoidnavigation information completeness

Core Design Contradiction:

Object-affected harmful factorsVSLoss of information

Solution Approach 1:

The system dynamically adjusts guidance frequency based on accumulated user feedback rather than using a fixed low frequency. When users issue request commands, the guidance level increases to ensure necessary information is provided, while suppress commands reduce frequency to minimize distraction, thus adaptively resolving the contradiction

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The navigation device automatically adjusts its own guidance frequency based on user feedback without requiring manual configuration. The system self-adapts by counting suppress and request commands, automatically optimizing the balance between providing necessary navigation information and minimizing driver distraction

Inventive Principle:

Principle #25Self-service

3Ease of operation

If the navigation system provides fixed frequency voice guidance, then the system operation is simple, but the system cannot adapt to individual user preferences

Engineering Contradiction:

Improvesystem operation simplicityVSAvoiduser preference adaptation

Core Design Contradiction:

Ease of operationVSAdaptability or versatility

Solution Approach 1:

The navigation device automatically learns and adapts to user preferences by counting suppress and request commands, eliminating the need for manual user configuration. The system self-adjusts the guidance frequency based on accumulated feedback, maintaining operational simplicity while achieving adaptability to individual user needs

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system uses user feedback (suppress and request commands) to automatically adjust guidance frequency, creating an adaptive system that learns user preferences over time. This feedback mechanism enables the system to personalize guidance for each user while maintaining simple operation through automatic adjustment

Inventive Principle:

Principle #23Feedback

Data Source

PatentUS10274334B2Route guidance method, navigation terminal and vehicle including the same

Publication Date: 2019.04.30 HYUNDAI MOTOR CO LTD

AI summary

A route guidance method for executing voice route guidance for a route to a destination set by a user includes: executing a first voice route guidance at an interval according to a current guidance level; receiving a suppress command or a request command of the user during the execution of the first voice route guidance; determining a new guidance level on the basis of count results for the suppress command and the request command; and executing a second voice route guidance at an interval according to the new guidance level.