Wearable Sensor Angular Speed Evaluation for Golf Swing Analysis
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Solution Overview
Problem
Current systems for analyzing golf swing motions lack effective methods to evaluate and provide actionable feedback on the rotational speed and movement patterns of the lower back, which are crucial for improving golfing skills.
Innovation Solution
An electronic device comprising a sensor unit and a processing device that uses Bluetooth Low Energy communication to analyze angular speed data from sensors on the lower back, extracting peak waveforms and evaluating motion based on these data to provide detailed feedback on rotating speed, angle, movement amount, and swing rhythm.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If angular speed data is collected from the lower back portion to evaluate golf swing motion, then measurement precision is improved, but device complexity increases due to the need for specialized sensors and processing algorithms
Solution Approach 1:
The wearable sensor unit is designed to measure multiple motion parameters (angular speed, acceleration, orientation) simultaneously using a single integrated device, allowing it to serve multiple evaluation functions without requiring separate specialized sensors for each measurement type
Solution Approach 2:
The patent introduces an intermediate processing system that converts complex sensor data into simplified evaluation metrics and visual feedback, mediating between the raw angular speed measurements and the user's understanding of their swing technique
2Loss of information
If detailed motion analysis is provided to golfers, then loss of information is reduced, but ease of operation decreases due to the complexity of interpreting multiple parameters
Solution Approach 1:
The motion analysis is divided into distinct evaluation components (angular speed, acceleration, orientation, peak detection) that are processed and presented separately, allowing users to focus on specific aspects of their swing without being overwhelmed by all data simultaneously
Solution Approach 2:
The system provides real-time or near-real-time feedback on swing parameters, allowing golfers to immediately understand and adjust their technique based on measured data, transforming complex information into actionable insights
Data Source
AI summary
To appropriately determine whether or not a motion of a user is good in an electronic device that detects the motion of the user by a sensor installed on a lower back portion. An analysis system S includes a sensor unit 1 and a processing device 2. The sensor unit 1 is installed on a lower back portion of a user. The processing device 2 includes a swing evaluating section 254. The swing evaluating section 254 extracts a first peak waveform and a second peak waveform in an output result of an angular speed measured by a sensor installed on the lower back portion of the user. The swing evaluating section 254 evaluates the motion of the user on the basis of an extraction result.