Variable Tension Payout Reel with Microprocessor Control
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Solution Overview
Problem
Existing resistance training devices for athletes lack variable resistance control, fail to monitor inefficient movements, and do not provide precise resistance load, limiting effective training simulations.
Innovation Solution
A microprocessor-controlled variable tension line payout reel system with sensors and a braking mechanism that applies precise, programmable resistance force, allowing for real-time monitoring and adjustment of tension, and recording of user movements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing resistance training devices (parachutes, weighted sleds) are used, then athletes can experience resistance force, but the resistance is fixed and cannot be variable or precisely controlled
Solution Approach 1:
The patent implements a microprocessor-controlled friction brake system that dynamically adjusts resistance force in real-time during exercise. The brake applies variable friction torque to the reel based on programmed parameters, enabling resistance to change during the exercise cycle rather than remaining fixed. This resolves the contradiction by making the resistance adaptive to training requirements while maintaining precise measurement through sensors.
Solution Approach 2:
The system incorporates sensors that continuously monitor tension in the payout line and feed this information back to the microprocessor. The microprocessor uses this feedback to precisely control the friction brake, adjusting resistance in real-time to match programmed profiles. This feedback mechanism enables both variable resistance control and accurate measurement of resistance forces applied to the athlete.
2Difficulty of detecting and measuring
If existing resistance devices are used, then athletes can train with resistance, but the device cannot monitor or identify wasted lateral or vertical movements
Solution Approach 1:
The microprocessor-controlled system integrates multiple functions into a single platform: it controls resistance force, measures tension, detects user position and movement through sensors, and provides feedback. By combining these functions in one system rather than separate devices, the patent achieves comprehensive movement monitoring without proportionally increasing overall device complexity.
Solution Approach 2:
The patent replaces purely mechanical resistance devices with an electronically controlled system. The microprocessor and sensors substitute for mechanical measurement and control mechanisms, enabling sophisticated detection of movement efficiency through electronic sensing rather than complex mechanical linkages. This substitution reduces mechanical complexity while enhancing measurement capabilities.
3Measurement precision
If a microprocessor-controlled friction brake system is applied to the reel, then precise resistance control is achieved, but the system complexity increases
Solution Approach 1:
The patent introduces a friction brake as an intermediary mechanical element between the motor and the reel. This brake serves as a mediator that translates electronic control signals into precise mechanical friction force, enabling smooth and controllable resistance adjustment. The friction brake acts as a mechanical intermediary that simplifies the overall control architecture by providing a direct mechanical means of force control.
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 control of resistance force, identifies inefficient movements, and simulates dynamic training conditions, enhancing training effectiveness for runners, swimmers, and equestrian athletes by providing a customizable and measurable resistance experience.
Implementation Method 1
The resistive braking system may be an eddy current brake system which can be controlled to never lock up
Implementation Method 2
a microprocessor computer controlled friction force is applied to the reel which pays out a line attached to a single runner or swimmer
Data Source
AI summary
This invention is embodied by a controlled, variable tension line, payout reel machine. A system of sensors detect line tension and line distance paid out, location, and transmit through wired and unwired communication to a microprocessor. The microprocessor is co-located with the reel structure, which in turn applies, via a brake feature, resistance to the reel which is paying out the line being pulled by the user. This invention pertains to all applications where it is desirable to control the tension in a line paid out from a reel or reel. As stated, the payout motive force is supplied by the person, animal or apparatus attached to the end of the line, opposite the reel. The invention applies to the field of precise and measured control of line tension for sport, sport training, performance testing.