Golf Swing Analyzer with RF and Ultrasonic Error Correction
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Solution Overview
Problem
Existing golf swing analysis systems fail to provide comprehensive, precise measurements and feedback, lacking adequate error correction and requiring extensive equipment, making them costly and limited in their ability to analyze the entire golf swing with detailed statistics and coaching.
Innovation Solution
A lightweight attachment to a golf club featuring a 3-axis accelerometer, gyroscope, computer memory, microprocessor, and transmitter communicates with a mobile device to display a graphical representation of the entire swing, including laser lines for swing plane analysis, and corrects errors using RF and ultrasound technologies, providing comprehensive statistics and coaching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a lightweight attachment with accelerometer and gyroscope is used, then device complexity and cost are reduced, but measurement precision deteriorates due to sensor errors
Solution Approach 1:
The system employs multiple sensors (accelerometer, gyroscope, magnetometer, ultrasonic receiver, RF receiver) that continuously provide feedback data about club head position, orientation, and movement. This multi-sensor feedback loop enables real-time error detection and correction, maintaining high measurement precision while using a lightweight attachment design.
Solution Approach 2:
The patent introduces intermediate correction mechanisms including ultrasonic pulses and RF signals that act as mediators between the sensors and the final measurement output. These intermediaries help correct sensor drift and errors by providing reference measurements against which accelerometer and gyroscope data can be validated and adjusted.
2Measurement precision
If error correction using ultrasonic and RF pulses is implemented, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The mobile device serves multiple functions: it acts as the primary display for swing analysis, the processing unit for sensor data, and also functions as the ultrasonic and RF receiver for error correction. By making the mobile device multi-functional, the system achieves high measurement precision without adding separate dedicated hardware for each function.
Solution Approach 2:
The patent combines multiple correction and measurement functions into a single integrated system. The ultrasonic receiver, RF receiver, accelerometer, gyroscope, and magnetometer are all integrated into one lightweight attachment that communicates with a single mobile device, merging what could be separate complex systems into one unified unit.
3Measurement precision
If comprehensive swing analysis with multiple sensors is performed, then measurement precision is improved, but use of energy increases
Solution Approach 1:
The system processes and analyzes swing data directly on the mobile device, which has its own processing capabilities. This self-service approach eliminates the need for continuous data transmission to external servers and reduces energy consumption by performing computations locally where the data is generated.
Solution Approach 2:
The sensors and correction mechanisms operate periodically rather than continuously, activating only when swing movements are detected. This periodic operation mode reduces energy consumption while maintaining comprehensive swing analysis precision by focusing measurement resources on actual swing events rather than continuous monitoring.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables precise analysis and improvement of the golf swing by providing comprehensive statistics and coaching, correcting errors, and reducing equipment costs through a lightweight, user-friendly system that analyzes the entire swing with high accuracy.
Implementation Method 1
a first three-axis accelerometer in the first housing for generating linear acceleration data from the apparatus
Implementation Method 2
a first three-axis gyroscope in the first housing for generating angular velocity data from the apparatus
Implementation Method 3
Error correction is further accomplished by analyzing position data throughout the swing using ultrasonic and radio frequency pulses
Implementation Method 4
Error correction is further accomplished by analyzing position data throughout the swing using ultrasonic and radio frequency pulses
Data Source
AI summary
An apparatus, system and method for golf swing analysis is described using a first microprocessor, a three-axis accelerometer that transmits linear acceleration data to the first microprocessor, a three-axis gyroscope that transmits angular velocity data to the first microprocessor, data processing, a radio transmitter for transmitting processed data, and a housing for holding the components, which attaches to a golf club. A camera with image recognition software and an ultrasonic and RF navigation system are used for error correction. A camera on the portable device may be used to capture video, which is trimmed to correspond with the animation, and the video may be placed side by side with the animation for visual analysis. Further error correction occurs using image sensors to determine moving object speeds and coordinates.