Vehicle Stability Control via Passenger Distribution Guidance
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Solution Overview
Problem
The stability of vehicles with floor boards on which passengers ride decreases when passenger distribution is uneven, leading to a sense of uneasiness among passengers.
Innovation Solution
A vehicle control system that includes a passenger distribution detection device and a control device to execute passenger guidance control, guiding passengers to a target distribution that increases vehicle stability, and travel limit control to limit speed, acceleration, and yaw rate to prevent inclination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If passengers are allowed to distribute freely on the floor board, then passenger convenience and ease of operation are improved, but vehicle stability deteriorates due to biased passenger distribution
Solution Approach 1:
The system uses a passenger distribution detection device to continuously monitor passenger positions on the floor board and provides feedback to the control device. Based on this feedback, the control device executes passenger guidance control to notify passengers of their positions and guide them to move to appropriate locations, thereby maintaining vehicle stability while allowing passenger freedom.
Solution Approach 2:
The control device acts as an intermediary between passenger freedom and vehicle stability. It receives detection information from the passenger distribution detection device and communicates guidance information to passengers through notification devices, mediating the conflict between passenger convenience and vehicle stability.
2Productivity
If vehicle speed and acceleration are increased to improve productivity, then travel time is reduced, but vehicle inclination increases causing passenger uneasiness and safety issues
Solution Approach 1:
The system dynamically adjusts vehicle speed and acceleration based on real-time passenger distribution conditions. When passengers are improperly distributed, the control device limits speed and acceleration to prevent excessive vehicle inclination. As passengers move to proper positions and distribution improves, the vehicle can travel at higher speeds, thus adaptively balancing productivity and passenger comfort.
Solution Approach 2:
The control device changes operational parameters (speed, acceleration, yaw rate) based on passenger distribution detection results. When passenger distribution is biased, the system reduces speed and acceleration parameters to suppress vehicle inclination. When distribution improves, parameters are increased to maintain productivity, achieving dynamic optimization.
Data Source
AI summary
A vehicle for transporting passengers include a floor board on which the passengers ride. The vehicle further includes a passenger distribution detection device that detects a passenger distribution that is a distribution of the passengers on the floor board. The vehicle further includes a control device that executes a passenger guidance control that guides the passengers on the floor board such that the passenger distribution approaches a target passenger distribution to increase a stability of the vehicle.