Ball Launch and Video Analysis for Surface Playability Testing
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Solution Overview
Problem
Existing systems lack a standardized method for assessing the playability of sports fields, particularly in terms of ball bounce and speed consistency, which affects player performance and game dynamics.
Innovation Solution
A system comprising a launcher device and camera setup that simulates various ball interactions with a surface, capturing video data for analysis to determine surface characteristics, using a rotatable member to ensure consistent ball striking and a computing device for parameter determination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a standardized testing system is implemented, then measurement precision and reliability of surface playability assessment are improved, but device complexity increases
Solution Approach 1:
The testing system is divided into separate functional modules: a ball launching mechanism, a camera system for video capture, and a computing device for analysis. This segmentation allows each component to be optimized independently while working together to provide standardized surface playability assessment.
Solution Approach 2:
Video data serves as an intermediary between the physical ball-surface interaction and the quantitative measurements. The camera captures the interaction, and the computing device analyzes the video data to determine surface characteristics, providing a non-contact measurement approach that simplifies the overall system.
2Measurement precision
If video data capture and analysis is used, then measurement precision of ball characteristics is improved, but device complexity and loss of time increase
Solution Approach 1:
The system performs preliminary actions by capturing video data at high frame rates during the ball-surface interaction. This allows detailed analysis of ball characteristics such as spin, velocity, and trajectory to be extracted from the recorded motion, providing precise measurements without requiring complex direct sensors.
Solution Approach 2:
The system replaces direct mechanical measurement devices with an optical measurement system. Instead of using sensors to directly measure ball characteristics, the system uses video capture and computational analysis to determine these characteristics from the ball's motion轨迹, simplifying the hardware while maintaining precision.
3Reliability
If consistent ball striking is ensured through rotatable member, then measurement precision and reliability are improved, but device complexity increases
Solution Approach 1:
The ball striking mechanism uses a rotatable member that can be dynamically adjusted to different positions and orientations. This dynamic capability allows the system to ensure consistent ball striking by controlling the angle and force of the ball launch, while the rotatable design provides flexibility to accommodate different testing scenarios without requiring a completely rigid mechanism.
Data Source
AI summary
Systems and methods for testing a surface are described. An apparatus can be configured to consistently strike a ball to maintain consistent testing conditions. One or more parameters may be determined based on a path of travel of the ball.