Treadmill Position Sensor for Dynamic Speed Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Runners competing in triathlons face challenges in training for cycling portions due to the ineffectiveness of stationary bike training in simulating outdoor cycling, as it fails to adequately develop muscle groups, balance, and posture necessary for efficient and comfortable cycling on their own bicycles.
Innovation Solution
A treadmill system with an endless tread belt, a position sensor, and a control module that adjusts the belt speed based on user position and exercise type, allowing for dynamic speed adjustments to simulate road-like conditions and accommodate both cycling and foot exercises, using a tether or wireless transceiver to detect user or bicycle position and tension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If stationary bike training is used to simulate outdoor cycling, then indoor training option is provided, but muscle development and balance are insufficient
Solution Approach 1:
The patent uses a position sensor system to detect the user's position on the treadmill and automatically adjusts the belt speed to match the user's cadence and stride, creating a virtual copy of outdoor cycling conditions. This allows the treadmill to simulate road-like conditions without requiring the user to actually ride a bicycle, thereby providing effective training while maintaining indoor convenience.
2Adaptability or versatility
If treadmill belt speed is adjusted dynamically based on user position, then road-like conditions are simulated, but control system complexity increases
Solution Approach 1:
The patent implements a self-service control system where the position sensor automatically detects the user's position and the control module autonomously adjusts the belt speed without requiring manual input. The system serves itself by using the detected position information to automatically modulate speed, reducing the need for complex user interfaces while maintaining adaptive control capabilities.
Solution Approach 2:
The patent employs a feedback mechanism where the position sensor continuously monitors the user's position on the treadmill, and the control module uses this information to adjust the belt speed in real-time. This closed-loop feedback system enables dynamic adaptation to user needs while maintaining relatively simple control architecture through automatic response to position changes.
3Productivity
If position sensor detects user position to adjust belt speed, then training effectiveness improves, but measurement precision requirements increase
Solution Approach 1:
The patent applies partial action by using position detection to adjust only specific parameters (belt speed) rather than controlling every aspect of the training experience. This selective approach allows the system to improve training quality through targeted speed adjustments while avoiding the need for excessive measurement precision across all possible parameters, thereby achieving good training effectiveness with reasonable sensor requirements.
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 provides a more effective workout by simulating road-like conditions, improving muscle development and balance, and allowing triathletes to train with their own bicycles, reducing the need for multiple exercise equipment and enhancing the quality of indoor training.
Implementation Method 1
The position sensor may include a wireless transceiver that receives a wireless signal when the user or a bicycle is on the tread belt, wherein the control module determines the position of the user or the bicycle relative to the tread belt in response to a signal received with the wireless transceiver.
Data Source
AI summary
A treadmill system includes a deck, an endless tread belt covering at least a portion of the deck, a position sensor that senses a position of a user when the user is on the tread belt, and a control module that adjusts a speed of the tread belt in response to an output of the position sensor.