Slotted Maglev Rail Running Structure With Self-Stabilizing Guidance
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Solution Overview
Problem
Current magnetic levitation (Maglev) systems face challenges with complex and expensive control systems, poor efficiency, and high weight due to stator and power supply placement on the train, along with inefficiencies in traction and braking forces.
Innovation Solution
A vehicle running system and method utilizing a track with a slot, levitation devices, and a running device featuring magnetic wheels, conductor plates, and a motor setup that reduces construction costs and energy loss, enabling flexible power adjustment and self-stabilization through magnetic reluctance forces, while integrating guidance, braking, and electricity generation and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a long-stator linear synchronous motor (LS-LSM) is used with primary winding laid on guide rails, then the Maglev system achieves stable operation, but the control system becomes complex and expensive
Solution Approach 1:
The patent extracts the primary winding from the traditional LS-LSM configuration and replaces it with a passive conductor plate on the guide rail. This eliminates the need for complex control systems while maintaining stable operation through electromagnetic induction between the secondary winding on the vehicle and the conductor plate on the rail.
Solution Approach 2:
The patent uses a conductor plate as a simplified copy or alternative to the primary winding, achieving the same functional effect through electromagnetic induction without requiring the complex control infrastructure of a traditional synchronous motor.
2Device complexity
If a short-stator linear induction motor (SS-LIM) is used with stator and power supply on the train, then the system is simpler, but the overall weight of the train increases
Solution Approach 1:
The patent inverts the traditional configuration by placing the conductor plate (analogous to the stator) on the guide rail instead of on the train. This transfers the weight of the electromagnetic system from the moving vehicle to the stationary infrastructure, reducing train weight while maintaining system simplicity.
3Force
If conventional linear motors are used for traction, then the Maglev system achieves sufficient driving force, but the construction cost increases due to long-stator winding laying
Solution Approach 1:
The patent extracts the expensive primary winding component and replaces it with a simple conductor plate, significantly reducing construction costs while maintaining adequate driving force through electromagnetic induction between the vehicle's secondary winding and the rail's conductor plate.
4Force
If high power motors are used to achieve greater driving force, then the traction capability improves, but the energy consumption and motor power requirements increase
Solution Approach 1:
The conductor plate on the guide rail serves as a passive electromagnetic component that generates the necessary magnetic field through induction from the vehicle's secondary winding, eliminating the need for high-power motors and reducing energy consumption while maintaining adequate traction force.
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 system achieves high efficiency, reduced construction costs, and enhanced traction and braking forces with lower motor power consumption, and self-stabilization of the vehicle, improving overall Maglev transport performance.
Implementation Method 1
The magnetic reluctance force of the magnetic wheel can be converted into driving force to drive the magnetic levitation (maglev) vehicle to travel
Implementation Method 2
two levitation devices; wherein the track is provided with a slot; and the framework is provided in the slot of the track
Data Source
AI summary
A vehicle running system based on rail transport, including a track, a framework, two levitation devices and a running device. The track is provided with a slot, in which the framework is provided. The levitation devices are provided between the track and the framework, and a top surface of the levitation device is fixedly connected to a bottom surface of the framework through a suspension structure. The running device includes two conductor plates and two running structures. The conductor plates are fixedly arranged on the inner wall of the slot, and are corresponding to the running structures. The reluctance force of magnetic wheels is converted into a driving force to drive maglev vehicles, and the levitation force is converted into a guiding force to realize the self-stabilization of vehicle guidance. A vehicle running method based on this system is also provided.