Golf Club Head Fitting via Face Angle Analysis
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Solution Overview
Problem
Current golf club fitting methods rely heavily on subjective experience and intuition, leading to variations in selected golf clubs based on the fitter, and fail to establish a clear relationship between hitting results and physical properties of the club head.
Innovation Solution
A method and device that analyze the face angle and hitting results to determine the appropriate centroid position of the club head using a relational expression, considering multiple hitting results and modifying based on statistically significant correlations to select the best fitting club head.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If fitting is performed based on fitter's experience and intuition, then the process is simple and quick, but the selection varies depending on the fitter and lacks objectivity
Solution Approach 1:
The patent replaces the mechanical system of fitter-based subjective judgment with an automated measurement and analysis system. The system uses cameras to capture swing data, computes characteristic values objectively, and determines fitted head physical properties through algorithmic processing, eliminating human subjectivity from the fitting process.
Solution Approach 2:
The system enables self-service fitting by automatically analyzing swing data and determining the optimal head physical properties without requiring skilled fitters. The automated analysis process allows any user to undergo objective fitting based on their actual swing characteristics, making the service accessible to all golfers.
2Measurement precision
If multiple golf clubs with different head physical properties are tested, then fitting accuracy can be improved, but the time required for measurement and analysis increases
Solution Approach 1:
The system performs preliminary actions by pre-establishing the relationship between face angle characteristics and head physical properties through analysis of multiple golfers and clubs. This pre-computed relationship allows rapid determination of fitted properties during actual fitting without requiring time-consuming real-time analysis of multiple club combinations.
Solution Approach 2:
The system changes the approach from physically testing multiple complete golf clubs to measuring a single critical parameter (face angle) and using pre-established relationships to determine the optimal head physical properties. This parameter transformation reduces the time required while maintaining fitting accuracy.
3Device complexity
If the relationship between hitting result and head physical property is not established, then the fitting process remains simple, but the reliability of fitting results deteriorates
Solution Approach 1:
The system performs preliminary analysis by establishing the relationship between face angle characteristics and head physical properties through pre-testing multiple golfers and clubs. This pre-established relationship ensures reliable fitting results while keeping the actual fitting process simple, as the analysis is performed beforehand rather than during client consultations.
Data Source
AI summary
The fitting method includes a step of preparing a relationship C in which a face angle at or before impact and a hitting result are considered when a plurality of golf players swing using a plurality of golf clubs with different head physical property values; a step of obtaining measurement result of the face angle by a subject (golf player) hitting a ball with a test club; and a step of determining a head physical property fitted to the subject on the basis of the relationship C and the measurement result of the face angle. Preferably, the relationship C is a relational expression F1. The relational expression F1 may be a relational expression F11 of the face angle and the hitting results. The relational expression F1 may be a relational expression F12 of the face angle and the head physical properties.