Movable Transit Seat Signaling for Peak Passenger Density
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Solution Overview
Problem
Public transportation vehicles with movable seat bottoms often have reduced passenger capacity due to seated passengers occupying space, causing discomfort to standing passengers during high traffic conditions.
Innovation Solution
A passenger-receiving device with a movable seat bottom and detection system that generates signals, such as vibrations or light, to encourage passengers to stand when the compartment reaches a predetermined passenger density threshold, allowing for increased capacity and improved comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the seat bottom is in the first position (lowered) to allow passengers to sit, then passenger comfort is improved, but the passenger capacity of the compartment is reduced
Solution Approach 1:
The seat bottom is made movable between two positions: a first position (lowered) that allows passengers to sit comfortably, and a second position (raised) that prevents sitting and increases standing space. The detection means and signaling module dynamically control the seat bottom position based on real-time passenger density measurements, allowing the system to adapt between comfort and capacity modes
Solution Approach 2:
The system changes the physical state of the seat bottom by altering its vertical position parameter. When passenger density exceeds a threshold, the seat bottom transitions from the lowered first position to the raised second position, changing from a sitting surface to a structural element that defines standing space boundaries
2Ease of operation
If the seat bottom is lowered to allow sitting, then individual passenger comfort is improved, but the overall transport efficiency is reduced
Solution Approach 1:
The detection means continuously monitors passenger density in the compartment and provides feedback to the signaling module. When the density exceeds a predetermined threshold, the system activates the signaling module to generate signals (visual, acoustic, or haptic) that encourage seated passengers to stand, thereby increasing transport efficiency while maintaining individual comfort through automated control
Solution Approach 2:
The system enables passengers to self-regulate their seating behavior based on signals generated by the automated detection and signaling system. Passengers receive real-time feedback about compartment occupancy and can independently decide to stand or remain seated, eliminating the need for manual intervention while maintaining both comfort and efficiency
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device effectively increases passenger capacity and enhances comfort by encouraging seated passengers to stand during high occupancy, thereby optimizing space utilization in public transportation vehicles.
Implementation Method 1
the signaling module comprises an actuator able to vibrate the seat bottom, the signal comprising a vibration of the seat bottom
Implementation Method 2
the signaling module comprises at least one light emitter able to emit a light signal
Data Source
AI summary
A passenger-receiving device intended to be installed in a compartment of a vehicle includes a seat bottom movable between a first position in which the seat bottom is configured to allow a passenger to sit on the seat bottom and a second position in which the seat bottom prevents a passenger from sitting on the seat bottom. The device detects the presence of the seat bottom in the first position. The device also includes a signaling module configured to receive a value of a parameter of the compartment and to generate a signal intended for at least one passenger present in the compartment when the measured value is greater than or equal to a predetermined threshold and the seat bottom is in the first position.