Retrofit Sensor for Exercise Equipment Performance Tracking
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Solution Overview
Problem
Existing exercise equipment lacks real-time feedback and competitive features, making it difficult for individuals to compare their performance with peers, especially in group settings, and existing devices are not suitable for retrofitting onto existing equipment or providing relative measures of performance between users.
Innovation Solution
A sensor device that can be integrated into exercise equipment to measure frictional force and rotational speed, providing real-time data and wireless connectivity for processing and display, allowing for virtual races and individual performance tracking, and can be retrofitted onto existing equipment without the need for bulky wiring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If existing exercise equipment is used without additional measurement devices, then the equipment structure remains simple and cost-effective, but real-time performance measurement and competitive feedback are not available
Solution Approach 1:
The patent combines multiple measurement functions (friction force sensing, rotational speed detection, data processing, and wireless communication) into a single integrated sensor device that attaches to the exercise equipment. This merging approach enables comprehensive performance measurement while avoiding the complexity of multiple separate devices and their associated wiring.
Solution Approach 2:
The sensor device acts as an intermediary component that interfaces with the existing exercise equipment through simple mechanical attachment (e.g., clamping onto the rotating surface). This intermediary approach allows measurement capability addition without modifying the core equipment structure, thus maintaining simplicity while enabling precise measurement.
2Measurement precision
If multiple separate measurement devices are used to measure friction force and rotational speed, then measurement precision improves, but device complexity and wiring requirements increase
Solution Approach 1:
The patent integrates multiple measurement functions (friction force sensing, rotational speed detection, data processing, and wireless communication) into a single integrated sensor device that attaches to the exercise equipment. This merging approach enables comprehensive performance measurement while avoiding the complexity of multiple separate devices and their associated wiring.
3Adaptability or versatility
If existing exercise equipment is used without retrofittable measurement devices, then equipment compatibility is maintained, but real-time feedback and virtual racing capabilities are not available
Solution Approach 1:
The sensor device acts as an intermediary component that interfaces with the existing exercise equipment through simple mechanical attachment (e.g., clamping onto the rotating surface). This intermediary approach allows measurement capability addition without modifying the core equipment structure, thus maintaining simplicity while enabling precise measurement.
Solution Approach 2:
The system implements real-time feedback by wirelessly transmitting performance data to external devices where it can be processed and displayed. The feedback mechanism includes individual performance metrics, group comparisons, and virtual racing position updates, enabling users to immediately see the results of their effort and adjust accordingly.
4Reliability
If measurement devices are built into exercise equipment during assembly, then measurement reliability improves, but adaptability to different equipment and cost-effectiveness decrease
Solution Approach 1:
The sensor device acts as an intermediary component that interfaces with the existing exercise equipment through simple mechanical attachment (e.g., clamping onto the rotating surface). This intermediary approach allows measurement capability addition without modifying the core equipment structure, thus maintaining simplicity while enabling precise measurement.
Solution Approach 2:
The sensor device is designed with universal applicability, capable of interfacing with various types of exercise equipment (stationary bicycles, treadmills, rowing machines) through standardized attachment methods. The device measures fundamental parameters (friction force, rotational speed) that are common to all such equipment, enabling one device design to serve multiple equipment types reliably.
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 real-time competitive feedback and virtual racing environments, allowing users to compare performance and engage in group activities without the need for additional equipment, while being cost-effective and compatible with existing exercise equipment.
Implementation Method 1
a sensor device that can be integrated into exercise equipment to measure frictional force and rotational speed
Implementation Method 2
a measurement apparatus interfaces with a piece of exercise equipment's brake pads or other friction device, and may be capable of measuring frictional force and/or rotational speed
Data Source
AI summary
An integrated sensor apparatus capable of detecting exercise equipment parameters such as power output and cadence is designed so as to be easily retrofittable to existing equipment. To the extent that a particular sensor uses friction measurement, it can supplant an existing friction causing device on the equipment. Additionally, the sensor can communicate, wirelessly if desired, with a processing device. The processing device is capable of receiving and processing a plurality of sensor signals. The processing device can then output processed signals to a display, so that a plurality of people joining in a group exercise or competition can easily track their relative performance in real-time.