| 摘要 |
A double-inverted wheeled passenger carrier (WPC) that is actively stabilizing on two or more axially-spaced wheels through a controller that senses and adjusts three degrees of freedom that allows the WPC to actively stabilize itself to keep a passenger essentially upright during movement, including traversing stairs and the like. The WPC (10) includes a wheel assembly (12) having at least two axially-spaced wheels (14), each wheel having an axis of rotation (15), a frame (16) having a first pivot (18) and second pivot (22), and a chair (20). The frame (16) is attached to the wheel assembly (12) at the first pivot (18). The chair (20) is attached to the frame (16) at the second pivot (22), allowing the chair (20) to rotate independently of the wheels (14).
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