Motorcycle Variable Spoiler Wing Pitch Control
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Solution Overview
Problem
Existing fixed spoiler wings on motorcycles enhance operation controllability at high speeds but increase wind resistance at low speeds, limiting acceleration and extreme speed capabilities.
Innovation Solution
A variable spoiler wing system for motorcycles that adjusts its pitch angle based on real-time data from sensors such as an inertial measurement unit, throttle position sensor, and wheel speed detector, connected to an electronic control unit, to match the motorcycle's traveling conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If fixed spoiler wings are arranged at two sides of the front of the vehicle body, then the steering mechanism is stabilized at high speeds, but wind resistance increases during low speed traveling
Solution Approach 1:
The spoiler wing system transitions from a fixed configuration to a dynamic, adjustable configuration. The patent implements movable spoiler wings that can change their angle and position based on vehicle speed and steering mechanism state, allowing the system to optimize aerodynamic characteristics for different operating conditions - reducing wind resistance at low speeds while maintaining stability control at high speeds
Solution Approach 2:
The patent changes the geometric parameters of the spoiler wings dynamically. By adjusting the pitch angle and position of the spoiler wings based on real-time feedback from sensors (speed sensors, steering angle sensors), the system modifies aerodynamic parameters to match varying traveling conditions, thereby resolving the contradiction between stability and wind resistance
2Ease of operation
If fixed spoiler wings are used to guide airflows, then operation controllability is enhanced at high speeds, but acceleration and extreme speed are limited at low speeds
Solution Approach 1:
The spoiler wing system is made dynamic with adjustable parameters. The patent employs actuators to move the spoiler wings based on control signals from the electronic control unit, enabling the system to adapt its aerodynamic effect according to vehicle speed - minimizing drag during acceleration phases while providing stability assistance at high speeds
Solution Approach 2:
The system incorporates feedback mechanisms through various sensors that monitor vehicle speed, steering mechanism position, and other operating parameters. This feedback is processed by the electronic control unit, which adjusts spoiler wing positions in real-time to optimize both acceleration performance and high-speed controllability, resolving the contradiction between these two performance aspects
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The variable spoiler wing system enhances operation controllability by reducing wind resistance during low-speed travel and maintaining control at high speeds, thereby improving acceleration and extreme speed capabilities.
Implementation Method 1
external airflows relative to the traveling speed of the motorcycle 1 provide the spoiler wings 12 with a pressing force for downward pressing
Implementation Method 2
an inertial measurement unit, which is arranged on the vehicle frame unit and is electrically connected with the electronic control unit
Data Source
AI summary
A variable spoiler wing of a motorcycle is provided. The motorcycle includes a plurality of spoiler wings; an electronic control unit controlling operation of a power unit; an inertial measurement unit electrically connected with the electronic control unit; a throttle position sensor electrically connected with the electronic control unit; and a wheel speed detector electrically connected with the electronic control unit. The plurality of spoiler wings are controlled by an operation controller for operation. The operation controller is in information connection with one of the electronic control unit, the inertial measurement unit, the throttle position sensor, and the wheel speed detector and receives one or multiple messages from the inertial measurement unit, the throttle position sensor, the wheel speed detector, or the electronic control unit to have the spoiler wings vary a pitch angle to match a traveling condition of the motorcycle.