Dual-Mode Rail and Road Vehicle With Retractable Wheel Switching
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Solution Overview
Problem
Current transportation systems face challenges such as safety concerns, inefficiencies, and high operating costs due to the limitations of conventional roadways and railway transport, including variable vehicle speeds, traffic jams, and inflexible routes.
Innovation Solution
A dual mode vehicle equipped with a retractable wheel assembly for road travel and an integrated rail mount system for rail travel, powered by batteries and controlled by a pod control unit, allowing seamless transition between modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If trains travel on guided rails, then safety is improved, but adaptability to different routes and locations deteriorates
Solution Approach 1:
The vehicle dynamically switches between two operational modes: rail-guided mode for high-speed safe transportation and roadway mode for flexible door-to-door service. The retractable wheel assembly transitions from engaging with rails to rolling on road surfaces, allowing the system to adapt its guidance mechanism based on operational requirements.
Solution Approach 2:
The vehicle is designed with dual functionality to operate on both rails and roadways. It incorporates both rail wheels for guided rail travel and road wheels for unguided roadway travel, making it universally capable of serving multiple transportation infrastructure types and providing both guided and unguided transportation services.
2Adaptability or versatility
If vehicles travel on roadways with driver control, then adaptability to individual requirements is improved, but safety deteriorates due to human judgment and desire
Solution Approach 1:
The patent replaces the mechanical driver control system with an autonomous control system that utilizes sensors, processors, and control algorithms. This substitution eliminates human judgment and desire from the control loop, providing consistent safe operation while maintaining the ability to adapt to individual route requirements through programmable navigation.
3Productivity
If trains provide fixed route transportation, then operational efficiency is improved, but door-to-door service capability deteriorates
Solution Approach 1:
The vehicle dynamically transitions between rail-guided operation for efficient high-speed travel and roadway operation for flexible door-to-door service. This dynamic mode switching allows the system to maintain high operational efficiency during rail travel while providing adaptability for direct point-to-point transportation when needed.
4Adaptability or versatility
If railway transport is used for short distance and small loads, then transportation capability is improved, but operating cost deteriorates due to high fixed costs
Solution Approach 1:
The vehicle utilizes roadway mode for short distance and small load transportation, avoiding the high operating costs associated with deploying railway infrastructure for such applications. The same vehicle can switch to rail mode for longer distances or heavier loads, providing universal transportation capability across different operational scenarios without incurring disproportionate costs.
Data Source
AI summary
A dual mode vehicle that operates on guided rails and roadways includes a capsule, a carriage, a front left drive system, a front right drive system, a rear left drive system, a rear right drive system, a pod control unit, and at least one battery. The carriage includes a spherical frame-housing and a base. A spherical cabin of the capsule is attitudinally mounted within the spherical frame-housing. The front left drive system, the front right drive system, the rear left drive system, and the rear right drive system each includes a motor, a drive axle, a road wheel, and a rail wheel. The road wheel and the rail wheel are axially mounted to the drive axle. The motor that is mounted to the base is operatively coupled with the drive axle through the at least one battery and the pod control unit to operate a roadway or railway transportation mode.