Motorcycle ACC Deceleration Notification for Rider Comfort
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Solution Overview
Problem
Adaptive cruise operation in motorcycles is challenging due to difficulties in changing travel lanes during automatic deceleration, which can cause rider discomfort, unlike in wider vehicles where lane changes are easier.
Innovation Solution
A controller for a driver-assistance system that includes a control amount setting section, execution section, relevant information acquisition section, and notification control section to manage adaptive cruise operations, providing notification to the rider when certain deceleration criteria are met.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If adaptive cruise operation is implemented in motorcycles, then automation of speed control is improved, but rider comfort deteriorates due to unavoidable uncomfortable deceleration
Solution Approach 1:
The notification device activates before uncomfortable deceleration occurs, alerting the rider in advance. This preliminary notification allows the rider to mentally prepare for the upcoming deceleration, reducing the perceived discomfort and improving overall rider acceptance of the automated cruise control system.
2Reliability
If motorcycle decelerates automatically to maintain inter-vehicular distance, then safety is improved, but rider comfort worsens due to physical discomfort from deceleration
Solution Approach 1:
The system continuously monitors deceleration magnitude and rider state, and provides feedback through the notification device when deceleration exceeds comfortable thresholds. This feedback loop allows the system to maintain safety by enforcing distance maintenance while communicating with the rider about comfort implications, enabling balanced operation.
Data Source
AI summary
The present invention obtains a controller and a control method capable of appropriately assisting with an operation by a rider. The present invention also obtains a driver-assistance system including such a controller.A controller (60) for a driver-assistance system (10) used for a motorcycle includes: a relevant information acquisition section (65) that acquires information relevant to automatic deceleration generated during adaptive cruise operation; and a notification control section (66) that makes a notification device (70) execute notification operation to the rider in the case where the information relevant to the automatic deceleration, which is acquired by the relevant information acquisition section (65), satisfies a determination criteria.