Motorcycle Backup Assist Control With Brake-Triggered Stop
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Solution Overview
Problem
Riders of motorcycles with backup functions face a heavy burden when backing out of parking spaces, as they need to continuously operate switches while maintaining balance and monitoring their surroundings.
Innovation Solution
A driver assistance system for motorcycles that includes a wheel driver, a brake lever, a control switch, and a backup assistance controller. The controller generates a backup output when the control switch is activated and continues until the brake lever is operated or the control switch is turned off, allowing the rider to initiate and maintain backup without continuous manual input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If the rider continuously operates the switch to maintain backup function, then the vehicle body can be backed up continuously, but the rider's operational burden increases and safety attention is diverted
Solution Approach 1:
The system performs preliminary detection of the backup state and automatically maintains the backup operation without requiring continuous rider input. The backup controller detects when the motorcycle is in backup mode and automatically sustains the backup function, eliminating the need for the rider to continuously operate the switch.
Solution Approach 2:
The backup system serves itself by automatically detecting its own operational state and maintaining the backup function without external continuous input. The system monitors its own backup state and self-regulates to maintain continuous backup operation, freeing the rider from continuous manual control.
2Reliability
If the rider focuses on maintaining balance and monitoring surroundings, then safety is improved, but the ability to continuously control backup operation is reduced
Solution Approach 1:
The backup controller continuously detects the backup state of the motorcycle and uses this feedback to automatically maintain the backup function. The system monitors its own operational status and adjusts accordingly, creating a closed-loop control system that ensures continuous backup operation without rider intervention.
Solution Approach 2:
The backup system monitors and maintains itself automatically. The backup controller detects when backup is needed and sustains the backup function autonomously, allowing the rider to focus on safety-critical tasks like balance and environmental monitoring while the system handles its own control.
Data Source
AI summary
A driver assistance system 1 for a motorcycle is provided with: a driving force output device 82 that generates a backup output for reversing a drive wheel and backing up a vehicle body; a brake lever 810 squeezably operable by a rider; a ACC main switch 43 and an ACC lever 44 operable by the rider; and a back out assistance controller 64 that controls the driving force output device 82 on the basis of the operation of the lever 810, the switch 43, and the lever 44. The back out assistance controller 64, after causing the driving force output device 82 to generate the backup output when triggered by receiving an operation of turning the lever 44 to a “SET/−” side, continues to cause the backup output to be generated until the lever 810 is operated, or until the switch 43 or lever 44 is turned off.