Footwear Sensory Elements for Proprioceptive Feedback
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Solution Overview
Problem
Conventional footwear lacks effective proprioceptive feedback, particularly when interacting with objects like balls, leading to reduced control and awareness of ball location and trajectory during sports activities.
Innovation Solution
Incorporating a plurality of sensory elements with higher hardness and rigidity than the surrounding upper material, embedded within or between layers of the footwear, to enhance proprioception by transmitting contact forces directly to the foot and providing targeted tactile feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional footwear upper material is used, then comfort and flexibility are maintained, but proprioceptive feedback and ball control are insufficient
Solution Approach 1:
The upper is divided into multiple layers (first layer, second layer, third layer) with sensory elements positioned between them. This segmentation allows each layer to serve specific functions: the outer layers provide structural support and comfort, while the embedded sensory elements provide proprioceptive feedback without compromising the overall flexibility of the upper.
Solution Approach 2:
Sensory elements with specific hardness and rigidity properties are embedded at specific locations within the upper structure where ball contact is most likely to occur. This local enhancement of mechanical properties provides targeted proprioceptive feedback exactly where needed, while the rest of the upper maintains its natural comfort and flexibility characteristics.
2Force
If sensory elements with high hardness are embedded in the upper, then force transmission and proprioception are improved, but comfort and flexibility may be reduced
Solution Approach 1:
The sensory elements are strategically positioned only in specific regions of the upper where ball contact occurs, rather than throughout the entire upper structure. This localized approach ensures that force transmission is enhanced only where necessary for ball control, while the majority of the upper material maintains its soft, comfortable properties for general wear.
Solution Approach 2:
The upper structure combines materials with different mechanical properties: softer materials for comfort and flexibility, and harder sensory elements for force transmission. This composite construction allows the footwear to simultaneously provide both comfort during normal wear and enhanced proprioceptive feedback during ball contact activities.
3Measurement precision
If sensory elements are embedded between layers, then proprioceptive awareness is enhanced, but manufacturing complexity increases
Solution Approach 1:
The upper is constructed as separate layers that can be manufactured independently and then assembled together. The sensory elements are positioned between these pre-manufactured layers, allowing each component to be produced using standard manufacturing processes before being combined. This modular approach enhances measurement precision for ball contact detection while managing manufacturing complexity through modular assembly.
4Ease of operation
If the upper material is soft and flexible, then comfort is maintained, but force dissipation occurs reducing feedback precision
Solution Approach 1:
The upper structure features localized regions with different mechanical properties: soft and flexible material for comfort in non-contact areas, and hard sensory elements for precise force transmission in ball contact areas. This spatial variation in material properties allows the footwear to simultaneously provide comfort during normal wear and precise tactile feedback during ball interaction without force dissipation.
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 sensory elements improve proprioceptive awareness, allowing for better ball control and awareness of contact points, reducing force dissipation and enhancing performance in sports by providing precise feedback without compressing or deforming.
Implementation Method 1
the plurality of sensory elements has a second hardness. The second hardness is greater than the first hardness
Implementation Method 2
the plurality of sensory elements is substantially incompressible
Data Source
AI summary
An article of footwear includes sensory elements. The sensory elements are embedded in an upper of an article of footwear, the upper having a first layer and a second layer. Sensory elements are proximally disposed toward a foot when contacted by an object. Sensory elements may partially protrude from the first layer and/or the second layer. Sensory elements may also be fully covered between the first layer and the second layer.