Wheel-Mounted Display Control for Clear Content During Rotation

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Solution Overview

Problem

Existing vehicle systems lack an effective way to display dynamic and customizable content on vehicle wheels, while also accounting for the motion and physics of the wheels.

Innovation Solution

A vehicle wheel-based computing device with a display device that can be attached to a vehicle wheel, featuring a control circuit that obtains content, receives vehicle motion data, and performs transformations based on the display's refresh rate and the vehicle's motion parameters, including rotation direction and speed.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a display device is attached to a rotating vehicle wheel to provide dynamic content, then the display can be customized and updated in real-time, but the content will appear distorted or blurred due to the wheel's rotation during the display refresh cycle

Engineering Contradiction:
Improvedisplay content customizationVSAvoiddisplay content clarity
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The control circuit pre-calculates and pre-rotates the content in the opposite direction of wheel rotation before display. By anticipating the wheel's rotational movement and compensating for it in advance, the system ensures that the content appears stationary and clear to external observers despite the wheel's rotation during the refresh cycle.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system dynamically adjusts the content rotation angle based on real-time wheel speed feedback. The control circuit continuously monitors wheel rotational speed and modifies the content transformation accordingly, allowing the display to maintain clarity across varying vehicle speeds and wheel rotation rates.

Inventive Principle:
Principle #15Dynamics

2Manufacturing precision

If the display refresh rate is increased to reduce motion blur, then the content clarity improves, but the computational resource consumption and energy usage increase

Engineering Contradiction:
Improvedisplay content clarityVSAvoidcomputational resource consumption
Core Design Contradiction:
Manufacturing precisionVSUse of energy by moving object

Solution Approach 1:

The system optimizes the display refresh rate by dynamically adjusting it based on wheel speed. At lower speeds, a lower refresh rate suffices, reducing computational load and energy consumption. At higher speeds, the refresh rate increases to maintain content clarity, ensuring optimal performance across all operating conditions without unnecessary resource expenditure.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If the display device is integrated into the wheel structure, then the display remains securely positioned during wheel rotation, but the wheel design complexity and manufacturing difficulty increase

Engineering Contradiction:
Improvedisplay positioning stabilityVSAvoidwheel structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The display device is designed as a separate, modular component that can be independently attached to the wheel. This segmentation allows the display to be securely mounted without redesigning the entire wheel structure, maintaining positioning stability while minimizing impact on wheel design complexity and manufacturing processes.

Inventive Principle:
Principle #1Segmentation

4Manufacturing precision

If the control circuit performs real-time content transformation based on wheel speed and direction, then the content remains clear and properly oriented, but the processing time and computational load increase

Engineering Contradiction:
Improvecontent orientation accuracyVSAvoidcontent processing time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The control circuit pre-calculates the required content rotation angle based on anticipated wheel movement. By preparing the transformed content in advance rather than waiting for motion to occur, the system minimizes processing delays while maintaining accurate content orientation and timing synchronization with the wheel's rotation.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS20250026144A1Vehicle Wheel-Based Computing Device
Publication Date: 2025.01.23 MERCEDES BENZ GROUP AG
  • US20250026144A1 patent drawing
  • US20250026144A1 patent drawing
  • US20250026144A1 patent drawing

AI summary

A vehicle wheel-based computing device includes a display device that can be at least partially attached to a wheel of a vehicle, and a control circuit. The control circuit can obtain content to be provided for presentation on a display screen of the display device, receive vehicle data indicating a motion parameter associated with the vehicle, and perform a transformation of the content based on: (i) a refresh rate associated with the display device, and (ii) the motion parameter associated with the vehicle.