Rideable Mobile Body Speed Control Near Virtual Walls
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Solution Overview
Problem
Rideable mobile vehicles face discomfort issues for riders when navigating around virtual walls due to arbitrary changes in direction, leading to uncomfortable travel motions.
Innovation Solution
A control device for rideable mobile bodies that determines a target speed based on steering operations and adjusts it according to the positional relationship with virtual walls, ensuring comfortable travel by limiting speed and direction changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the mobile robot changes its direction arbitrarily when detecting a boundary signal, then the virtual wall limitation is achieved, but the rider comfort deteriorates due to uncomfortable travel motion
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting the target speed based on the distance to the virtual wall. When the mobile body approaches the virtual wall, the control device reduces the target speed gradually, transforming the arbitrary direction change into a controlled speed reduction that maintains rider comfort while still preventing boundary violation.
Solution Approach 2:
The patent implements dynamics by making the speed adjustment adaptive and continuous rather than abrupt. The control device continuously monitors the distance to the virtual wall and dynamically adjusts the target speed in real-time, creating a smooth transition that avoids sudden direction changes and maintains rider comfort.
2Reliability
If the target speed is limited according to positional relationship with virtual wall, then the travel limitation is achieved, but the steering operation responsiveness may be reduced
Solution Approach 1:
The patent applies feedback by continuously monitoring the distance to the virtual wall and using this information to adjust the target speed. The control device receives feedback about the mobile body's position relative to the virtual wall and modifies the speed accordingly, ensuring that the limitation is applied only when necessary and does not unnecessarily reduce steering responsiveness.
Solution Approach 2:
The patent implements local quality by applying speed limitation only in the specific region where the mobile body is close to the virtual wall, while maintaining normal speed and responsiveness in other areas. This localized approach ensures that steering operations remain responsive except when the boundary is imminently threatened.
Data Source
AI summary
A control device 20 of a rideable mobile body 1 determines a target speed of the rideable mobile body 1 according to at least the steering operation by a rider, and controls the travel of the rideable mobile body 1 according to the target speed. In the processing for determining a target speed, the target speed is restricted according to the positional relationship between a virtual wall set in a travel environment of the rideable mobile body 1 and the rideable mobile body 1. Thus, the comfort of the rider is secured while the travel of the rideable mobile body is restricted by the virtual wall.