Motorcycle Control Pads for Deceleration Stability
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Solution Overview
Problem
Riders struggle to maintain control of a motorcycle during extreme acceleration and deceleration due to the shifting weight, which exceeds the ability of their hands and arms to manage the handlebars effectively, leading to instability and risk of falling.
Innovation Solution
A control pad system comprising forward and rearward pads mounted to the motorcycle frame, allowing riders to engage their knees and legs with the pads, thereby constraining their motion and enabling them to exert pressure to resist acceleration and deceleration forces, reducing the need for excessive handlebar grip.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the rider increases grip force on the handlebars to maintain control during extreme acceleration and deceleration, then the rider can prevent the body from going over the handlebars or falling off the back, but the hands and arms cannot securely manage the required pushing and pulling forces
Solution Approach 1:
The control system is segmented into multiple independent control points: handlebars for steering and separate control pads for longitudinal motion control. This allows the rider to distribute control forces across different body parts (hands for steering, knees/legs for acceleration-deceleration control) rather than concentrating all control forces on the handlebars, resolving the contradiction between maintaining control stability and reducing excessive grip force requirements
Solution Approach 2:
The control pads act as intermediary elements between the rider's body and the motorcycle frame. During acceleration and deceleration, the pads provide an intermediate control surface that transfers forces from the rider's knees and legs to the motorcycle structure, reducing the direct force transmission requirements on the handlebars and hands
2Device complexity
If the rider uses only handlebars for stabilizing and controlling the motorcycle, then the structure remains simple, but the rider's body cannot be securely held during extreme riding conditions
Solution Approach 1:
The control pads are designed to serve multiple functions: they provide longitudinal motion control during acceleration and deceleration, serve as weight transfer reference points, and work in conjunction with the handlebars for comprehensive motorcycle control. This multi-functionality enhances body position control reliability without requiring a completely new control system, only an addition to the existing handlebar control
3Reliability
If the rider exerts greater force on the handlebars to prevent falling during extreme conditions, then control is maintained, but the force required exceeds the capability of the hands and arms
Solution Approach 1:
The control effort is segmented and distributed across different body parts and control mechanisms. The hands manage steering forces on the handlebars while the knees and legs manage longitudinal motion forces through the control pads. This segmentation allows the rider to use the larger muscle groups of the legs to handle the greater forces during acceleration and deceleration, reducing the relative effort requirement on the hands and arms
Solution Approach 2:
The control system transitions from a single-dimension (handlebars only) control approach to a multi-dimensional control approach by adding control pads that provide longitudinal motion control. This dimensional expansion allows the rider to distribute control forces across different spatial directions and body parts, making the overall control effort more manageable
Data Source
AI summary
A control pad system for a motorcycle has two forward control pads configured to engage a forward surface of a rider's knees or legs with the rider's feet on foot pegs of the motorcycle, the forward control pads mounted to be stationary with frame elements of the motorcycle, wherein the positions of the forward control pads constrain the rider's legs from forward motion, enabling the rider to exert pressure on the control pads to resist motion relative to the motorcycle induced by instances of deceleration.