Medium-and low-speed maglev system technology and its application | Tongji University

Medium-and low-speed maglev system technology and its application

Medium and low-speed maglev: Low noise and efficient, flexibly adapts to cities, saving space and costs.

Type

Maglev technology

Tags

Clean transportation

Electromagnetics

Transportation engineering other subjects

Vehicle-mounted electromagnet

Short stator magnetic levitation technology

Applicable industry

Water conservancy, environment and public facilities management

Applications

Transportation

Key innovations

The innovation of medium and low-speed maglev lies in its short stator maglev and linear motor drive technology, which achieves flexible line selection, low noise, low wear and adaptation to complex terrain, significantly improving the economy and environmental friendliness of rail transit.

Potential economic benefits

The economic benefits of medium and low-speed maglev are reflected in: reducing demolition, reducing project costs (thanks to low-noise overhead construction and avoiding underground works), and reducing maintenance costs (less mechanical wear), thereby achieving a significant reduction in overall operating costs. The broad application prospects indicate huge market potential and return on investment.

Potential climate benefits

Alternative fuel vehicles can significantly reduce emissions. Elevated construction saves building materials and operating energy consumption than underground projects. Less mechanical wear reduces the carbon footprint throughout the life cycle.

Solution supplier

Tongji University

Tongji University: The national "double first-class" construction university uses advantageous disciplines such as civil engineering, architecture, transportation, and environment to cultivate innovative talents to serve national construction and sustainable urban development.

Shanghai，China

Solution details

The medium and low speed maglev adopts short stator maglev technology, which uses the attraction between the vehicle-mounted electromagnet and the F-rail to achieve suspension and guidance; the drive is realized by a linear induction motor; the suspension gap is monitored by a gap sensor, and constant suspension is maintained through active control.

Medium and low-speed maglev technology has the following characteristics:

1. Flexible technical route selection, small turning radius, strong climbing ability, suitable for complex terrain conditions, meet the application requirements of densely built urban areas with narrow spaces, and minimize demolition;

2. Low noise, suitable for elevated buildings, can greatly reduce the project cost compared with light rail that often has to be built underground due to noise problems;

3. Less mechanical wear and low maintenance costs.

It can be used for suburban lines in large cities, network encryption and rail transit backbone networks in medium-sized cities, with broad application prospects.

Last updated

10:51:30, Nov 04, 2025

Information contributed by

Green Technology Bank

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