Ride Sensor-Based Drive Assistance for Saddle Vehicles
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current drive assistance systems for saddle-type vehicles cannot determine a rider's attitude from sensor data and effectively reflect this in automatic control, leading to potential disturbances in vehicle operation.
Innovation Solution
A drive assistance device equipped with a ride sensor to detect the rider's attitude, a vehicle body behavior generating part to produce controlled outputs, and a controller that adjusts these outputs based on detected changes to minimize disturbance, such as initiating low-output predictive actions for automatic braking or steering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If automatic control is actuated with a prescribed output regardless of rider operation, then autonomous braking or steering can be achieved, but disturbance on the rider's attitude increases
Solution Approach 1:
The controller performs preliminary action by detecting rider attitude before actuating automatic control, and preliminarily determines the output value based on the detected attitude. This preliminary determination prevents excessive disturbance by adjusting the control output in advance according to the rider's current posture, thereby resolving the contradiction between achieving automatic control and minimizing disturbance to the rider.
2Power
If a large output is generated for automatic control, then sufficient braking or steering effect is achieved, but the rider's attitude is significantly disturbed
Solution Approach 1:
The controller changes the output parameter (braking force or steering force) based on the detected rider attitude. When the rider is in an upright attitude, a larger output value is determined to achieve sufficient braking effect. When the rider is in a tilted attitude, a smaller output value is determined to minimize disturbance. This dynamic parameter adjustment resolves the contradiction between achieving sufficient braking power and minimizing disturbance to the rider's attitude.
Data Source
AI summary
A drive assistance device (24) for a saddle type vehicle (1) includes a ride sensor (37) configured to detect a ride attitude of a rider, a vehicle body behavior generating part (25) configured to generate a behavior on a vehicle body by a prescribed output, and a controller (27) configured to control driving of the vehicle body behavior generating part (25), and wherein, when the vehicle body behavior generating part (25) is actuated regardless of the operation of the rider, the controller (27) firstly controls the vehicle body behavior generating part (25) such that a low output that is lower than a predetermined original target output is generated as a predictive action, and sets an output value after that according to a change of detection information of the ride sensor (37) generated by the low output.