Adaptive inverse controller construction method for bearingless permanent magnetic synchronous motor radial position nerve network

A permanent magnet synchronous motor, neural network technology, applied in biological neural network model, electronic commutation motor control, control system and other directions, can solve the problem of difficult to obtain accurate mathematical model, not to mention the accurate model of inverse model, etc. Achieve good robustness, solve system instability problems, and overcome the effects of system parameter changes

Active Publication Date: 2014-03-19
淮安仲益电机有限公司
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Problems solved by technology

However, the key to implementing adaptive inverse control is to accurately obtain the mathematical model of the controlled object and its inverse model, and the radial position system of the bearingless permanent magnet synchronous motor i...

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  • Adaptive inverse controller construction method for bearingless permanent magnetic synchronous motor radial position nerve network
  • Adaptive inverse controller construction method for bearingless permanent magnetic synchronous motor radial position nerve network
  • Adaptive inverse controller construction method for bearingless permanent magnetic synchronous motor radial position nerve network

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Embodiment Construction

[0018] The concrete implementation of the present invention divides following 9 steps:

[0019] 1. If figure 1 As shown, the current regulator 21 and the Park inverse conversion module 22 are connected in series to form the current regulation module 2; the pulse width modulation (referred to as PWM) module 31 and the voltage source inverter 32 are connected in series to form the extended inverter module 3, wherein The pulse width modulation module 31 outputs six PWM signals to drive the voltage source inverter 32; the current sensor 51 current interface circuit 52, the Clark transformation module 53 and the Park transformation module 54 are connected in series to form the current detection transformation module 5; the photoelectric encoder disk 61 , the photoelectric isolation circuit 62 and the angle calculation part 63 are connected in series to form an angle detection calculation module 6, which inputs the rotating shaft information from the bearingless permanent magnet syn...

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Abstract

The invention relates to an adaptive inverse controller construction method for a bearingless permanent magnetic synchronous motor radial position nerve network. The method comprises steps that: 1), a composite controlled object is constructed; 2), the nerve network is utilized to construct a horizontal displacement object model, a horizontal displacement inverse control model, a vertical displacement object model and a vertical displacement inverse control model of the composite controlled object; 3), the horizontal displacement inverse control model and the vertical displacement inverse control model are connected in series before the composite controlled object as two paths of feedforward controllers of the composite controlled object; 4), on-line adjustment on weight parameters of the horizontal displacement object model, the horizontal displacement inverse control model, the vertical displacement object model and the vertical displacement inverse control model is carried out in real time; and 5), a horizontal displacement nerve network adaptive inverse controller and a vertical displacement nerve network adaptive inverse controller are constructed and commonly form a nerve network adaptive inverse controller which controls the composite controlled object.

Description

technical field [0001] The invention relates to a construction method of a radial position neural network self-adaptive inverse controller of a bearingless permanent magnet synchronous motor, belonging to the technical field of special electric transmission / drive control. Background technique [0002] In recent years, with the rapid development of magnetic levitation technology, rare earth permanent magnet materials, control theory, and power electronics technology, bearingless permanent magnet synchronous motors and related technologies have been continuously developed and improved. Centrifuges, turbomolecular pumps, life sciences, flywheel energy storage and other fields have shown important scientific research and application value, especially the advantages of bearingless permanent magnet synchronous motors without lubrication and contact wear, making them suitable for vacuum technology, aseptic It has broad application prospects in special occasions such as workshops, p...

Claims

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Application Information

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IPC IPC(8): H02P6/00G06N3/02
Inventor 孙晓东陈龙江浩斌杨泽斌李可
Owner 淮安仲益电机有限公司
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