Motorcycle Steering Control for Blind-Spot Avoidance
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Solution Overview
Problem
Existing turn control devices for motorcycles, which are prone to sudden changes in vehicle body behavior due to their unique posture during turning, require a unique turning control mechanism to prevent collisions from vehicles in blind spots.
Innovation Solution
A turn control device for motorcycles that includes an imager, blind spot recognizer, and turn device controller to detect approaching vehicles in blind spots and adjust turning control based on the rider's actions, such as course changing, acceleration, or deceleration, gradually increasing intervention when necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If automatic turning control is performed to avoid vehicles in blind spots, then collision avoidance capability is improved, but sudden vehicle body behavior changes cause rider unease
Solution Approach 1:
The turn control device dynamically adjusts the turning control intervention based on the detected riding state. When the riding state indicates stable operation, the device applies stronger turning control to ensure collision avoidance. When the riding state shows rider maneuvering or instability, the device reduces or suspends turning control intervention, preventing sudden vehicle body behavior changes that would cause rider unease.
Solution Approach 2:
The system continuously monitors the riding state as feedback to determine the appropriate level of turning control intervention. By detecting rider operations and vehicle state, the system adjusts the turning control magnitude in real-time, balancing collision avoidance effectiveness with rider comfort and natural vehicle behavior.
2Reliability
If turning control intervention amount is increased to ensure collision avoidance, then safety is improved, but vehicle body behavior becomes sudden and unnatural
Solution Approach 1:
The system dynamically modulates the turning control intervention amount based on detected riding states. Rather than applying fixed high-intensity turning control, the device adjusts the intervention magnitude to match the current riding conditions, ensuring safety while maintaining natural and stable vehicle body behavior that progresses smoothly.
3Reliability
If turning control is performed without considering riding state, then collision avoidance is achieved, but rider unease and sudden vehicle behavior occur
Solution Approach 1:
The turn control device transitions from static turning control to dynamic turning control that adapts to varying riding states. By detecting rider operations and vehicle conditions, the system modifies turning control parameters in real-time, achieving collision avoidance while adapting to different riding scenarios and maintaining natural vehicle behavior.
Solution Approach 2:
The system changes the turning control parameters (such as intervention amount and magnitude) based on the detected riding state. When the riding state indicates rider maneuvering or instability, the device reduces turning control parameters to prevent unnatural vehicle behavior, while maintaining collision avoidance capability when conditions are stable.
Data Source
AI summary
Provided is a steering control device for motorcycle, capable of executing steering control appropriate for a characteristic of a motorcycle. The steering control device for motorcycle comprises: an imaging unit (2) which captures the outside of an own vehicle (1); a blind spot recognition unit (8) which recognizes that another vehicle (50) is approaching from a blind spot (5) of the own vehicle (1) on the basis of information from the imaging unit (2); and a steering-device control unit (10) which carries out steering control on the basis of information from the blind spot recognition unit (8), wherein the steering-device control unit (10) carries out the steering control to avoid the other vehicle (50) according to a riding state of the own vehicle (1). The riding state of the own vehicle (1) includes a path change operation, an acceleration operation, and a deceleration operation of a rider and the steering-device control unit (10) changes an intervention amount of the steering control according to the path change operation, the acceleration operation, and the deceleration operation of the rider.