Inverted Pendulum Vehicle Rear Seat Mounting
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Solution Overview
Problem
Conventional inverted pendulum type vehicles require occupants to climb onto the seat from the front side, necessitating a cramped posture with the body forward and face rearward, which is inconvenient and uncomfortable.
Innovation Solution
The design includes a seat positioned at the rear of the vehicle body with a rearward-facing inclination, allowing occupants to mount the seat in a forward-facing posture, featuring a soft seat main body and hard side guard members for stability and protection, along with a step and outer shell configuration for easy access and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the seat is positioned at the uppermost portion of the vehicle body at the rear, then the occupant can mount from the rear in a forward-facing posture, but the vehicle structure becomes more complex
Solution Approach 1:
The seat structure is merged with the vehicle body frame, where the seat backrest is integrated into the rear portion of the vehicle body. This integration eliminates the need for separate support structures and reduces overall structural complexity while maintaining the rear-mounted configuration.
Solution Approach 2:
The rear portion of the vehicle body serves multiple functions: it provides the structural framework for the vehicle, supports the seat backrest, and defines the rear boundary of the occupant space. This multi-functionality reduces the need for additional components.
2Ease of operation
If the seat face rear portion is inclined obliquely rearwardly upwardly, then the occupant can easily access the seat from the rear, but the seat geometry becomes more complex
Solution Approach 1:
The seat face rear portion is designed with a curved surface that transitions smoothly from the horizontal seat surface to the vertical backrest. This curvature provides a natural ramp for the occupant to access the seat while maintaining aesthetic simplicity and structural efficiency.
Data Source
AI summary
An inverted pendulum type vehicle is configured to permit a user to easily get on to the vehicle in a forward-facing posture from the rear of a vehicle body. The vehicle includes a seat for supporting a user thereon, as well as a main wheel driven by an inverted pendulum control, a vehicle body frame which rotatably supports the main wheel, and a tail wheel attached to a tail wheel arm, supported for pivotal motion on the vehicle body frame. The seat is attached to the vehicle body frame at an uppermost portion thereof. The vehicle body frame pivots rearwardly around an axle of the driving wheel together with the seat upon cancellation of the inverted pendulum control and the range of pivotal motion thereof is limited by contact thereof with the arm.