Electric Linear Motor Strength Training System
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Solution Overview
Problem
Conventional strength training systems require manual addition or removal of weights, leading to inefficiencies, safety concerns, and limitations in precision and portability, as well as increased space and maintenance needs, which hinder user experience and operational efficiency in gyms and physical therapy settings.
Innovation Solution
The integration of electric linear motors with user interfaces and controllers that dynamically adjust resistance, allowing for precise control of force and display of workout metrics, enabling users to change resistance levels easily and safely without manual weight changes, and providing a compact, versatile exercise system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual weights are used to provide resistance, then the exercise system is simple in structure, but the system requires increased space, manual weight changes, and poses safety concerns
Solution Approach 1:
The patent replaces the mechanical weight system with an electric linear motor system. The motor generates force directly through electromagnetic fields, eliminating the need for physical weights, pulleys, and manual weight changes. The controller adjusts resistance by controlling motor output, providing a simpler, safer, and more automated exercise system.
2Volume of moving object
If manual weights are used, then the equipment is compact, but precision in resistance control is limited and portability is reduced
Solution Approach 1:
The patent changes the resistance control parameter from discrete weight plates to continuous electronic control. The controller can adjust motor output force in precise increments, providing accurate resistance control. The system monitors and displays force values, enabling precise measurement and adjustment of exercise resistance without requiring bulky weight stacks.
3Reliability
If electric linear motors are used to control resistance, then precision and safety are improved, but device complexity increases
Solution Approach 1:
The electric linear motor system is self-regulating through electronic control. The controller automatically adjusts resistance based on pre-programmed exercise protocols, eliminating the need for manual intervention. Safety features are built-in through software control, which can instantly stop or adjust force output, providing reliable safety without complex mechanical safety mechanisms.
4Reliability
If traditional exercise machines are used, then the system is reliable, but adaptability to different exercises and users is limited
Solution Approach 1:
The patent implements dynamic resistance control where the motor force can be adjusted in real-time during exercise movements. The system can vary resistance based on position, velocity, and exercise phase, providing customized workout profiles for different exercises and user capabilities. This dynamic adaptability maintains reliability through controlled motor operation while enabling versatile exercise customization.
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
This solution enhances safety, flexibility, and performance by allowing for precise resistance adjustments, reducing the need for bulky equipment, and enabling users to perform customized workouts with improved safety features and data tracking, thus improving user experience and operational efficiency.
Implementation Method 1
an electric linear motor that includes a mover and a rotor
Data Source
AI summary
Techniques for strength training using an exercise system including an electric linear motor. The exercise system includes a stand, including the electric linear motor comprising a mover and a rotor, and a user interface. The exercise system further includes an exercise attachment coupled to the mover in the electric linear motor, and a controller configured to control force generated by the electric linear motor, where an amount of force required to move the exercise attachment changes based on the force generated by the electric linear motor, and configured to display information related to moving the exercise attachment.