Multi-Motor Resistance Module for Smooth Adjustable Training Load
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Solution Overview
Problem
Existing resistance training equipment is limited in exercise modes, force production, ease of use, and user feedback, often requiring multiple devices and lacking safety measures.
Innovation Solution
A multi-motor resistance training machine capable of isotonic and isokinetic exercises with adjustable force and velocity, equipped with a motor system module, PID controller, and user feedback mechanisms to enhance workout efficacy and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional resistance training equipment (free weights, weight machines) is used, then isotonic exercises can be performed, but adjusting weight is inconvenient and requires adding or removing plates
Solution Approach 1:
The patent replaces the mechanical weight adjustment system (plates, clips, dumbbells) with an electronic motorized system. Motors (255A, 255B) control cables (140A, 140B) to adjust resistance levels electronically, eliminating the need for manual plate changes and enabling convenient, rapid weight adjustment through electronic controls.
2Ease of operation
If traditional resistance training equipment is used, then exercises can be performed, but the force applied acts as a step function jumping from zero to full resistance, creating undue strain
Solution Approach 1:
The patent implements dynamic force application through motor control systems that can gradually adjust resistance levels. The motors (255A, 255B) controlled by control system (250) enable smooth, progressive increases in resistance rather than abrupt step changes, allowing users to warm up and progressively adapt to increasing loads, thereby reducing bodily strain.
3Adaptability or versatility
If traditional resistance training equipment is used, then specific exercises can be performed, but multiple pieces of equipment are required to access a variety of exercises
Solution Approach 1:
The patent creates a universal resistance training machine capable of performing multiple exercise modes including isotonic, isokinetic, and isometric exercises. The motorized cable system (255A, 255B, 140A, 140B) can be configured for different exercises through software control (250), eliminating the need for multiple specialized equipment pieces and providing comprehensive workout capabilities in a single device.
4Adaptability or versatility
If smart exercise machines with electronic motors are used, then different exercises can be provided in a single machine, but the amount of force produced is limited and they are unwieldy and difficult to install or transport
Solution Approach 1:
The patent combines multiple motor systems (255A, 255B) working in parallel to generate high resistive forces. The cable-pulley mechanism (140A, 140B) provides mechanical advantage to amplify motor output, enabling the machine to produce substantial force levels while maintaining versatility through electronic control of multiple motors for different exercise modes.
5Reliability
If smart exercise machines are used, then exercises can be performed, but they fail to provide adequate safety measures for the user
Solution Approach 1:
The patent implements feedback mechanisms where the control system (250) continuously monitors motor performance, cable position, and user exertion. This feedback enables real-time safety monitoring and automatic adjustment of resistance levels, preventing unsafe conditions while providing reliable protection for users during exercise performance.
Data Source
AI summary
Provided herein are Methods and Systems For a Multi-Motor module system for a Resistance Training Machine, comprising a training program module and a programming framework; wherein a motor system module sets a mode of a drive system and motor hardware is operably coupled to an actuator to shift the drive system from a lower gear to a higher gear.