Passenger Transfer Risk Assessment System

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Solution Overview

Problem

Passengers transferring into or out of commercial passenger vehicles often face dangerous or inconvenient conditions in uncontrolled environments, lacking effective risk assessment and safe location selection.

Innovation Solution

A transfer-risk assessment system equipped with sensors and a processor that assesses environmental and dynamic conditions to determine an initial and potentially revised transfer location, generating a risk estimate to ensure passenger safety.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If transfer location is selected based solely on proximity to endpoint, then transfer convenience is improved, but passenger safety deteriorates due to uncontrolled environmental conditions

Engineering Contradiction:
Improvetransfer convenienceVSAvoidpassenger safety risks
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system performs preliminary risk assessment by acquiring environmental data and generating risk estimates before the transfer occurs. The processor evaluates static conditions (road surfaces, obstacles) and dynamic conditions (traffic flow, weather) in advance to determine safe transfer locations, preventing hazardous situations before they arise.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system introduces an intermediary risk assessment layer between the transfer location selection and the actual passenger transfer. The processor acts as a mediator that evaluates environmental data, generates risk estimates, and makes informed decisions about transfer location, filtering out harmful factors while maintaining convenience.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If comprehensive environmental data is collected and risk assessment is performed, then passenger safety is improved, but system complexity increases

Engineering Contradiction:
Improvepassenger safetyVSAvoidsystem complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The system segments the risk assessment process into distinct components: acquiring static environmental data (road conditions, obstacles), acquiring dynamic environmental data (traffic, weather), and generating risk estimates. This segmentation allows complex safety evaluation to be broken down into manageable, systematic steps that can be implemented progressively.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system employs self-service risk assessment where the vehicle's own sensors and processors evaluate its immediate environment without requiring external intervention. The vehicle autonomously monitors its surroundings, generates risk estimates, and makes transfer location decisions independently, reducing the need for complex external safety systems.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS11587009B2Risk-based assessment of passenger transfer
Publication Date: 2023.02.21 ROBERT BOSCH GMBH
  • US11587009B2 patent drawing
  • US11587009B2 patent drawing
  • US11587009B2 patent drawing

AI summary

A system and method for assessment of risk involved in transfer of passengers into or out of a vehicle at a particular transfer location. The assessment may utilize environmental data and dynamic data to estimate a risk level for the passengers. If the estimated risk level is not lower than a threshold, a revised transfer location may be found and assessed.