Handle Shape Control for Personal Mobility Speed Adjustment
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Solution Overview
Problem
Personal mobility devices, such as electric kickboards and bicycles, pose a risk of accidents due to the need for users to gaze at the operating system while gripping the handle, leading to reduced forward visibility and increased risk of collisions.
Innovation Solution
A personal mobility system that adjusts speed based on the shape information of the handle, utilizing movable axes, a deformable cover, detectors, and actuators to control power and braking devices, allowing speed adjustments without requiring users to look away from their path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the user grips the handle to board and operate the personal mobility, then the user can control the device, but the user must stare at the operating system which increases accident risk
Solution Approach 1:
The handle serves dual functions: it is both the gripping structure for boarding and the control interface for speed adjustment. By integrating the control system directly into the handle structure, the user can operate the device without needing to shift attention to a separate display or control panel, thereby reducing accident risk while maintaining ease of operation
Solution Approach 2:
The control system is merged with the handle structure itself. The handle includes multiple axes that can be manipulated to control speed, combining the functions of support/gripping and control into a single integrated component. This eliminates the need for separate control interfaces that would require the user's visual attention
2Ease of operation
If the user stares at the operating system for manipulation, then the user can control the device accurately, but the forward visibility is reduced
Solution Approach 1:
The handle provides tactile feedback and proprioceptive control, allowing the user to feel and sense the control inputs through hand movements and axis manipulations. This self-service control mechanism eliminates the need for visual confirmation, maintaining control accuracy while preserving forward visibility
Solution Approach 2:
The patent replaces visual-based control interfaces with a mechanical/tactile control system. The multiple axes in the handle provide physical feedback through movement resistance and positioning, substituting the need for visual monitoring with mechanical sensing through the user's hands
3Adaptability or versatility
If the handle includes multiple movable axes for control, then the speed adjustment capability is improved, but the device complexity increases
Solution Approach 1:
The multiple axes in the handle serve multiple functions: they provide structural support for gripping, enable speed control through manipulation, and offer tactile feedback for control confirmation. This multi-functionality increases adaptability while the integrated design prevents proportional increases in complexity
Solution Approach 2:
The handle is segmented into multiple independent movable axes, each capable of independent manipulation for different control functions. This segmentation allows for versatile speed control through different axis combinations while keeping each individual axis relatively simple in structure
Data Source
AI summary
A personal mobility and a controlling method adjusting speed based on shape information of the handle are provided. The personal mobility includes a power device, a braking device, and a handle. The handle includes a plurality of axes provided to be movable and a deformable cover surrounding the plurality of axes. A detector detects movement of each of the plurality of axes and a controller operates the power device and the braking device based on a positional relationship between the plurality of axes according to the movement of each of the plurality of axes.