Exercise Assist Device Using Tactile Feedback for Form Correction

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Solution Overview

Problem

Users find it difficult to autonomously recognize and correct their exercise form during activities like running, as existing devices only urge users to exercise without providing guidance on proper form correction.

Innovation Solution

An exercise assisting device equipped with sensors to obtain motion data, a difference calculator to determine deviations from a target form, and stimulus applicators like vibration and electric generators to intuitively suggest corrections to the user.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If vibration or electric current stimuli are applied to urge the user to exercise, then the user is motivated to perform exercise motions, but the user cannot intuitively recognize how to correct their exercise form

Engineering Contradiction:
Improveexercise motivationVSAvoidform correction guidance
Core Design Contradiction:
ProductivityVSLoss of information

Solution Approach 1:

The stimulus applier provides real-time feedback by applying stimuli in response to detected deviations from the target exercise form. The control unit continuously monitors exercise form via sensors and applies corrective stimuli when deviations are detected, creating a closed-loop feedback system that guides form correction while maintaining motivation.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The stimulus applier acts as an intermediary between the user's current exercise form and the desired target form. By applying tactile stimuli to specific body parts, it mediates the correction process, translating abstract form deviations into intuitive physical guidance that the user can immediately understand and respond to.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Manufacturing precision

If the stimulus applier provides detailed form correction guidance, then the user can improve exercise form, but the device complexity increases

Engineering Contradiction:
Improveexercise form accuracyVSAvoidsystem structure
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The system performs self-service by automatically detecting exercise form deviations and generating appropriate corrective stimuli without requiring external intervention. The control unit autonomously processes sensor data, determines form deviations, and applies corrective stimuli, eliminating the need for complex external control systems or manual guidance.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The stimulus applier serves multiple functions: it motivates the user to exercise, detects form deviations, and provides corrective guidance. By consolidating these functions into a single integrated device, the system achieves high form correction accuracy without proportionally increasing overall device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 device allows users to intuitively receive suggestions for correcting their exercise form, improving the effectiveness and efficiency of their workout by providing real-time feedback on form deviations.

Implementation Method 1

a stimulus applier that is attached to a part of a body of the user constituting the exercise form and that applies a stimulus to the body of the user based on the difference

Methodology Applied
Scientific EffectVibration: Vibration

Implementation Method 2

stimulus applier that applies a stimulus suggesting correction of the form

Methodology Applied
Scientific EffectElectric stimulus: Electrical Impedance Tomography

Data Source

PatentUS11925851B2Exercise assisting device, exercise assisting method, and storage medium
Publication Date: 2024.03.12 CASIO COMPUTER CO LTD
  • US11925851B2 patent drawing
  • US11925851B2 patent drawing
  • US11925851B2 patent drawing

AI summary

An exercise assisting device includes at least one processor. The processor obtains motion data on a current exercise form of a user performing a certain repetitive exercise motion including a certain motion state. Based on the obtained motion data, the processor determines a point of time at which the motion state occurs in one cycle of the repetitive exercise motion. Based on the obtained motion data and the point of time, the processor obtains the current exercise form in the motion state. The processor obtains a difference between the obtained current exercise form and a target exercise form. The processor causes an actuator to apply a stimulus to a body of the user based on the difference. The actuator is attached to a part of the body of the user constituting the exercise form. The stimulus suggests correction of the exercise form and indicates a direction to move the part.