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Suspension force disturbance control method for self-guided linear propulsion structure for electric repulsion type maglev track

A magnetic levitation track and repulsion-type technology, which is applied in electric traction, electric vehicles, vehicle components, etc., can solve the problems of static power consumption of guiding devices

Active Publication Date: 2022-08-02
SOUTHWEST JIAOTONG UNIV
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AI Technical Summary

Problems solved by technology

[0004] In view of the above deficiencies in the prior art, the purpose of the present invention is to provide a self-guiding air-core permanent magnet synchronous propulsion device, aiming to solve the problem of static power consumption of the guiding device in the plate-type electric repulsion type suspension system

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  • Suspension force disturbance control method for self-guided linear propulsion structure for electric repulsion type maglev track
  • Suspension force disturbance control method for self-guided linear propulsion structure for electric repulsion type maglev track
  • Suspension force disturbance control method for self-guided linear propulsion structure for electric repulsion type maglev track

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Embodiment Construction

[0017] The specific operation method of the present invention will be further described in detail below with reference to the accompanying drawings.

[0018] Refer to the attached figure 1 and figure 2 As shown in the figure, a linear propulsion system with self-guidance proposed in the present invention includes a train body 1, a suspension bogie 2, an independent plate-type electric suspension mechanism 3 installed under the bogie, a supporting guide wheel 4, a hollow core permanent Magnetic linear propulsion system 5, and concrete track 6. The air-core linear propulsion system 5 is composed of an active zero-flux coil chain 8 installed on the track and a Halbach permanent magnet array 7 installed under the center of the vehicle body. Mechanical air gap 9. When the train starts from zero speed, the train is supported by the supporting wheels 4 installed on the suspension bogie; when the running speed of the train reaches the floating speed, the supporting wheels are retr...

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Abstract

The invention discloses a self-guided linear propulsion structure for an electric repulsion type maglev track system and a suspension force disturbance control method thereof. The linear propulsion system is a self-guided linear propulsion device (5), and the self-guided linear propulsion device is a hollow core. A linear permanent magnet synchronous motor, a plurality of active zero-flux coil chains (8) are pre-embedded along the extending direction of the concrete track (6) as its stator; the linear permanent magnet Halbach array (7) is rigidly connected to the suspension bogie (2) Just below it as its mover. The present invention enables the maglev train to simultaneously realize driving and guiding without installing additional equipment. When the train reaches the floating speed, the linear motor eliminates the vertical suspension force disturbance caused by the lateral offset of the train by adjusting the straight-axis current Id in the stator track coil chain in real time. The invention has the advantages of simple structure, low energy consumption, high guiding rigidity and no unnecessary suspension disturbance under low-speed operation, and is suitable for high-speed and medium-speed maglev rail transit systems.

Description

technical field [0001] The invention relates to the field of normal electric-dynamic repulsion type maglev traffic, in particular to a driving part thereof, a hollow-core permanent magnet synchronous linear propulsion device and a control method thereof. Background technique [0002] With the rapid development of high-speed railways and urban rail transit, the diversity of rail transit has begun to receive more and more attention. Among them, maglev rail transit technology has many advantages in terms of running speed, climbing ability, turning radius, noise suppression, etc. Make it stand out among many new rail transit modes. [0003] The hollow-core permanent magnet linear synchronous motor drive is a kind of train propulsion scheme in the maglev rail transit system. It has the advantages of simple structure, high efficiency, small magnetic resistance and pulsating force, and is usually used as the propulsion device of the electric repulsion type maglev system. Electric ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L13/10
CPCB60L13/10
Inventor 张昆仑段家珩
Owner SOUTHWEST JIAOTONG UNIV
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