Vehicle Sensor Fusion for Precise Bumpy Road Localization

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Solution Overview

Problem

Existing methods for detecting bumpy road regions lack accuracy, leading to inadequate warnings for vehicles and maintenance personnel, as they rely on imprecise image-based location detection.

Innovation Solution

A method utilizing driving state data and vehicle orientation to accurately locate bumpy road regions, including determining depth or height through acceleration components and wheel attitude angles, and providing prompt information to vehicles and maintenance personnel.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If image-based detection is used to locate bumpy regions, then the detection process is simple, but the location accuracy is insufficient

Engineering Contradiction:
Improvedetection process complexityVSAvoidbumpy region location accuracy
Core Design Contradiction:
Device complexityVSMeasurement precision

Solution Approach 1:

The patent combines multiple detection methods (image-based detection and sensor-based detection) to locate bumpy regions. Image detection provides initial location information while sensor data (acceleration, attitude angles) provides precise measurement, merging the advantages of both approaches to achieve high accuracy without excessive complexity

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent introduces an intermediary processing system that receives both image data and sensor data, processes them together, and generates the final bumpy region location. This intermediary layer integrates the simple image-based detection with precise sensor measurements to resolve the accuracy issue

Inventive Principle:
Principle #24Intermediary (Mediator)

2Measurement precision

If precise location detection is implemented using multiple sensors, then location accuracy improves, but device complexity increases

Engineering Contradiction:
Improvebumpy region location accuracyVSAvoiddetection system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent makes the vehicle's existing sensors (accelerometers, attitude sensors) serve dual purposes: their primary function for vehicle control and a secondary function for bumpy region detection. This multi-functionality approach improves measurement precision without adding dedicated detection hardware, thus avoiding increased device complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent utilizes the vehicle's own operational data (driving state data including acceleration and attitude angles) to detect bumpy regions, rather than requiring separate dedicated detection systems. The vehicle essentially detects road conditions using its own response to those conditions, achieving precise detection without additional device complexity

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP4030393B1Method and apparatus for detecting bumpy region of road surface, electronic device, storage medium, computer program product, and vehicle
Publication Date: 2023.12.20 APOLLO INTELLIGENT CONNECTIVITY (BEIJING) TECH CO LTD
  • EP4030393B1 patent drawingFigure 1~2
  • EP4030393B1 patent drawingFigure 3~5
  • EP4030393B1 patent drawingFigure 6

AI summary

The present disclosure provides a method and apparatus for detecting a bumpy region of a road surface, an electronic device, a storage medium, a computer program product, and a vehicle, and relates to the field of computer technology. The method includes: acquiring driving state data of a vehicle and an orientation of the vehicle; determining, according to the driving state data, whether the vehicle passes through the bumpy region of the road surface; and in a case where the vehicle passes through the bumpy region of the road surface, determining a location of the bumpy region of the road surface according to the driving state data and the orientation of the vehicle. According to the present disclosure, the bumpy region of the road surface can be accurately located, thereby effectively reminding other vehicles to take measures in time and reminding road maintenance personnel to carry out road maintenance in time.