A large-diameter annular magnetic levitation motor and its control method

Abstract

The invention discloses a large-diameter annular magnetic suspension motor and a control method thereof, aiming at solving the defects that an aircraft rotor wing has large vibration and noise, requires lubrication, is extremely prone to wear and fatigue during the high-speed rotation process, and has high maintenance expense. The large-diameter annular magnetic suspension motor comprises a rotorwing fixing ring, a rotor wing rotor and a control system, wherein an installation groove is formed in the outer wall of the rotor wing fixing ring, a suspension ring is arranged on the rotor wing rotor, the inner wall of the suspension ring is provided with an adsorption ring, movable permanent magnetic rings are installed on the upper and lower surfaces of the suspension ring, fixed permanent magnetic rings are installed on the side wall of the installation groove at positions corresponding to the movable permanent magnetic rings, and magnetic poles of facing surfaces of the movable permanent magnetic rings and the fixed permanent magnetic rings are identical; a plurality of electromagnetic blocks are evenly installed on the rotor wing fixing ring, the electromagnetic magnets are radially oriented toward the adsorption ring and can be energized to attract the adsorption ring, and the rotor wing fixing ring is provided with displacement sensors radially oriented toward the adsorptionring at positions close to the electromagnetic blocks; and the rotor wing rotor is provided with a brushless DC motor rotor, and the rotor wing fixing ring is provided with a brushless DC motor stator.

Description

technical field [0001] The invention relates to an aircraft motor, more specifically, it relates to a large-diameter annular magnetic levitation motor and a control method. Background technique [0002] At present, as the country determines general aviation as a pillar industry, people pay more and more attention to aircraft. The rotation of the rotor on the aircraft generates airflow and air pressure difference, so that the aircraft can obtain an upward or forward lift, so that it can Air flight. During the high-speed rotation of the rotor, there is a lot of vibration and noise, it needs lubrication, it is easy to wear and fatigue, the service life is short, and the maintenance cost is high. Contents of the invention [0003] The invention overcomes the disadvantages of large vibration and noise during the high-speed rotation of the aircraft rotor, requires lubrication, is extremely easy to wear and fatigue, has a short service life, and has high maintenance costs, and p...

AI Technical Summary

Problems solved by technology

[0003] The invention overcomes the disadvantages of large vibration and noise during the high-speed rotation of the aircraft rotor, requires lubrication, is extremely easy to wear and fatigue, has a short service life, and has high maintenance costs, and provides a large-diameter ring-shaped magnetic levitation motor and a control method, which can be used for high-speed aircraft rotors. Low vibration and noise during rotation, no lubrication, no mechanical wear, long service life and low maintenance costs

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