Interactive Boxing Trainer with Integrated Head Sensor
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Solution Overview
Problem
Conventional boxing training systems struggle to accurately measure the strength and direction of punches due to the need for multiple sensors placed near the surface of sandbags, leading to increased installation and maintenance costs and inaccuracies if the punch is not precisely hit.
Innovation Solution
An interactive boxing trainer with a detector-equipped boxing head, featuring a microprocessor, accelerometer, and wireless transmitter, calculates and displays the punch force and direction accurately, using a swing rod and adjustable supporting rods, and includes a simulator with a wireless receiver, arithmetic logic unit, and display to provide precise feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple sensors are disposed at different positions of the sandbag to ensure accurate measurement, then measurement precision is improved, but device complexity and installation cost increase
Solution Approach 1:
The measurement function is extracted from multiple distributed sensors on the sandbag and concentrated into a single sensor integrated into the boxing head. This extraction allows accurate measurement of punch strength at the point of contact while eliminating the need for multiple sensors across the sandbag surface, thereby reducing device complexity and installation cost.
Solution Approach 2:
The boxing head serves as an intermediary between the punch force and the sensor. Instead of placing sensors directly on the sandbag, the sensor is embedded in the boxing head, which mediates the force transmission and enables accurate measurement through a single location, simplifying the overall system architecture.
2Measurement precision
If sensors are placed near the surface of the sandbag to detect punch strength, then measurement capability is improved, but installation cost and maintenance cost increase
Solution Approach 1:
The sensor is merged with the boxing head structure, forming an integrated assembly. This combination eliminates the need for separate sensor installation on the sandbag and reduces maintenance requirements, as the sensor becomes part of the replaceable boxing head rather than a fixed component on the sandbag surface.
Solution Approach 2:
The boxing head with integrated sensor can be easily replaced as a complete unit if needed, allowing for simple maintenance and calibration. The modular design enables the sensor system to serve itself through easy replacement rather than requiring complex installation and maintenance procedures.
3Ease of operation
If conventional sensors are used on the sandbag to measure punch strength, then basic measurement function is achieved, but accuracy decreases when the trainee fails to precisely hit the specified position
Solution Approach 1:
The measurement system transitions from a static sensor arrangement on the sandbag to a dynamic sensor positioned on the moving boxing head. This dynamic positioning ensures the sensor is always at the point of force application, maintaining measurement accuracy regardless of where the trainee punches, thereby improving both training flexibility and measurement precision.
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
The system reduces installation and maintenance costs while providing accurate feedback on punch strength and direction, ensuring the trainee meets training goals regardless of precise sensor placement.
Implementation Method 1
The accelerometer is capable of detecting an acceleration of the boxing head and generating a piece of sensing signal
Implementation Method 2
The swing rod has an elastic portion connected to and between a first connecting portion and a second connecting portion
Data Source
AI summary
An interactive boxing trainer having a boxing object and a trainer is provided. An accelerometer is installed in the boxing head of the boxing object so that the acceleration of the boxing head can be sensed, and the force applied onto the boxing head, including its strength and direction, can be calculated accordingly. With this architecture, the cost of installation and maintenance is also reduced.