Walking Sense Presentation Device Using Femoral Force Detection
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Solution Overview
Problem
Conventional techniques require large-scale devices to effectively present walking sense and often fail to provide a sufficient walking experience with compact devices.
Innovation Solution
A walking sense presentation device comprising a femoral region supporter, sensors to detect force and rotation, and a video generator to create a video presentation based on user motion, allowing for a compact and lightweight setup that simulates walking sense without the need for large-scale movement or elevation mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If large-scale devices such as treadmills or movable floors are used to present walking sense, then the walking sense presentation effect is improved, but the device size and complexity increase significantly
Solution Approach 1:
The patent replaces complex mechanical systems (treadmills, movable floors) with a stationary device that uses sensors to detect user motion and generates corresponding video feedback. The walking sense is created through visual illusion rather than physical movement, eliminating the need for large-scale mechanical components while maintaining the walking experience effect.
Solution Approach 2:
The patent creates a virtual copy of the walking environment through video generation. Instead of physically moving the user or the ground, the system captures user motion and generates corresponding video scenes that simulate walking in various terrains and environments, providing an immersive experience without physical displacement.
2Reliability
If treadmills or foot pad devices are used to simulate walking motion, then walking sense is improved, but the device requires complex mechanical structures and large space
Solution Approach 1:
The invention replaces mechanical motion simulation systems with a stationary platform that uses sensor detection and video generation. The femoral region supporter remains fixed while sensors detect user movement, and the system generates video feedback that creates the illusion of walking without requiring any mechanical movement of the platform itself.
Solution Approach 2:
The patent extracts the essential function of walking sense presentation from the complex mechanical systems and isolates it to a simple stationary device. By removing the unnecessary mechanical movement components and retaining only the core detection and visualization functions, the device achieves compact size while maintaining effectiveness.
3Adaptability or versatility
If devices that move floors or rotate treadmills are used to present walking in various directions, then versatility is improved, but device complexity and size increase
Solution Approach 1:
The patent implements dynamic versatility through software rather than mechanical complexity. The femoral region supporter remains stationary, but the video generation system dynamically adapts to detect and render walking motion in various directions (forward, backward, lateral, diagonal) based on sensor input, providing unlimited directional capability without mechanical movement components.
Solution Approach 2:
The stationary device achieves multi-directional walking simulation through a universal detection and visualization system. The sensors detect motion in any direction, and the video generation system creates corresponding visual scenes for various walking directions and terrains, making the device universally applicable for different walking scenarios without requiring direction-specific mechanical mechanisms.
Data Source
AI summary
A femoral region supporter (2) supports a femoral region of a user (1) in a travel direction. A force detector (3) detects force received by the femoral region supporter (2) from the femoral region of the user (1). A walking motion estimator (4) estimates walking motion of the user (1) based on the force detected by the force detector (3). The video generator (5) generates a video to be presented to the user (1) based on the walking motion estimated by the walking motion estimator (4). The video presenter (6) presents the video generated by the video generator (5) to the user (1).