Vehicle-Side Switching for Guided Transport

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Solution Overview

Problem

Current track-based guided transportation systems face inefficiencies and reliability issues due to mechanical track-side switching systems, which are slow and prone to failure, especially when encountering hazards like animals or debris.

Innovation Solution

A vehicle-side switching system utilizing a guidance apparatus with augmented permanent magnet systems and various track topologies, allowing for active guidance forces and levitation, enabling smooth path switching at divergences or convergences without the need for track-side infrastructure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If track-side mechanical switching systems are used, then path switching can be achieved, but the switching speed is slow and reliability is low

Engineering Contradiction:

Improveswitching reliabilityVSAvoidswitching speed

Core Design Contradiction:

ReliabilityVSSpeed

Solution Approach 1:

The patent inverts the traditional switching architecture by moving the switching function from the track-side infrastructure to the vehicle-mounted guidance system. Instead of the track mechanically redirecting the vehicle, the vehicle's guidance apparatus actively steers itself to select paths, thereby eliminating mechanical track switches and their associated reliability and speed limitations.

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The patent replaces mechanical track-side switching systems with a vehicle-based guidance system that uses electromagnetic or electronic control mechanisms. This substitution eliminates the need for physical track switches, thereby improving both switching speed and reliability by removing mechanical wear and failure points.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If track-side switching systems are used, then path switching is possible, but the system is prone to failure from hazards like animals or debris

Engineering Contradiction:

Improveswitching system reliabilityVSAvoidtrack hazards

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent extracts the switching function from the track infrastructure and relocates it to the vehicle. This removal of the switching mechanism from the track eliminates vulnerability to track hazards such as animals or debris that could obstruct or damage traditional mechanical switches.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

By eliminating mechanical track switches, the system converts the potential harm from track hazards into a benefit—the vehicle's active guidance system can navigate around obstacles without being blocked by fixed track infrastructure, thereby improving reliability in hazardous environments.

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

3Reliability

If vehicle-side switching with active guidance forces is implemented, then switching reliability and speed improve, but device complexity increases

Engineering Contradiction:

Improveswitching reliabilityVSAvoidguidance apparatus complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent integrates multiple functions into the vehicle's guidance apparatus, combining path selection, lateral positioning, and steering control into a single multi-functional system. This universality reduces overall system complexity by eliminating separate switching mechanisms while maintaining switching reliability and speed.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 vehicle-side switching system enhances the reliability and efficiency of track-based guided transportation by reducing the risk of derailments and maintaining high-speed operations, while minimizing disruptions from track hazards.

Implementation Method 1

utilizing one or more bearings' ability to generate guidance forces (for example, employing an augmented permanent magnet system)

Methodology Applied

Scientific EffectPermanent magnet system: Magnetism

Implementation Method 2

bearings' ability to generate guidance forces

Methodology Applied

Scientific EffectGuidance forces: Lorentz Force

Implementation Method 3

track elements configured to interact with one or more respective bearings of the vehicle to provide levitation to the vehicle

Methodology Applied

Scientific EffectLevitation: Maglev

Data Source

PatentUS11554796B2Vehicle-based guided switching

Publication Date: 2023.01.17 DP WORLD LOGISTICS US HOLDINGS INC

AI summary

A track switching arrangement for a track-based guided transportation system, wherein the track switching arrangement forms diverging pathways and enables vehicle-side switching of a vehicle in the guided transportation system. The track switching arrangement includes an upstream pathway; two downstream pathways; and a path switching transition region having the diverging pathways between the upstream pathway and the two downstream pathways. Each of the pathways includes track elements configured to interact with one or more respective bearings of the vehicle to provide levitation to the vehicle and/or guidance for the vehicle.