Vehicle Motion Control System for Synchronized Seat Acceleration
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Solution Overview
Problem
Existing two-wheeled vehicles, such as bicycles and e-bikes, lack responsive acceleration of the seat support portion when the rear frame is accelerated, leading to a less-than-optimal riding experience in reacting to terrain obstacles.
Innovation Solution
A motion control system that movably interconnects the forward and rear frame portions, imparting a force onto the forward frame portion to immediately accelerate the seat support portion in response to rear frame acceleration, ensuring synchronized and responsive forward acceleration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the rear frame portion is accelerated by a driving force, then the wheel can propel the vehicle forward, but the seat support portion does not accelerate immediately, resulting in delayed rider acceleration
Solution Approach 1:
The motion control system employs movable interconnection between the forward and rear frame portions, allowing dynamic force transmission. The linkage mechanism converts rear frame acceleration into immediate forward acceleration of the seat support portion through controlled motion, eliminating time delay while maintaining structural flexibility.
Solution Approach 2:
The motion control system acts as an intermediary mechanism between the rear frame acceleration and the seat support portion. This intermediate system transmits and synchronizes the acceleration forces, ensuring that the seat support portion accelerates immediately in response to rear frame movement without direct rigid coupling.
2Adaptability or versatility
If the vehicle uses a rigid frame structure, then structural strength is maintained, but the vehicle cannot adequately react to obstacles in the terrain
Solution Approach 1:
The motion control system transforms the static rigid frame into a dynamic adaptable structure. The movable interconnection allows the frame to dynamically adjust its configuration in response to terrain obstacles, enabling the vehicle to react supplely to obstacles while maintaining overall structural integrity through controlled motion ranges.
3Speed
If the motion control system is added to improve acceleration responsiveness, then the seat support portion accelerates immediately, but the device complexity increases
Solution Approach 1:
The motion control system utilizes the existing kinetic energy and acceleration forces from the rear frame acceleration to automatically drive the forward frame and seat support portion. The system is self-actuating, requiring no external motors or control systems, as the rear frame's motion directly powers the forward acceleration through the movable linkage mechanism.
Data Source
AI summary
A vehicle includes a forward frame portion with a seat support portion. The vehicle also includes a motion control system and a rear frame portion movably interconnected to the forward frame portion by the motion control system. The motion control system, in response to a forward acceleration of the rear frame portion resulting from a driving force imparted by a wheel supported by the rear frame portion, imparts a force onto the forward frame portion that immediately accelerates the seat support portion in a forward direction.