Optimization method for combining magnetic pole three-section dislocation method with V-shaped magnetic pole
A combination and magnetic pole technology, applied in design optimization/simulation, electrical digital data processing, CAD numerical modeling, etc., can solve problems such as air gap magnetic field distortion at the end of the incision, to reduce normal force fluctuations, quick results
Pending Publication Date: 2020-06-30
XIANGTAN UNIV
View PDF10 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, due to the longitudinal cut of the primary iron core, the air gap magnetic field at the end of the cut is distorted
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0063] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0064] Such as figure 1 Shown, the analysis method that the V-shaped magnetic pole of the embodiment of the present invention combines with three-section dislocation method comprises the following steps:
[0065] (1) According to figure 2 As shown, the physical model of the magnetic flux at the end satisfies the following conditions, and the magnetic flux passing through the longitudinal end...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses an optimization method for combining three-section dislocation with a V-shaped magnetic pole, and provides an optimization method combining a magnetic pole three-section dislocation method and a V-shaped magnetic pole to weaken the fluctuation of the normal force of a motor, and analyzes an end magnetic field on the basis of Schick transform to obtain an analytic expressionof the normal force of the end magnetic field of the motor. The Fourier coefficient in the analytic expression is analyzed to obtain the main harmonic frequency of the normal force fluctuation causedby the end effect; finite element simulation is carried out on various permanent magnet structures, a V-shaped three-section staggered magnetic pole method is obtained according to force characteristics, and normal force fluctuation can be effectively weakened when the phase difference of harmonic waves generated by magnetic poles at the two ends and a middle magnetic pole is 90 degrees; finally,the feasibility of the method is verified according to a finite element result, and the method has important guiding significance for unilateral flat plate type PMLSM optimization design.
Description
technical field [0001] The invention belongs to the technical field of electromagnetic field analysis of permanent magnet synchronous linear motors, and in particular relates to an optimization method combining a three-stage dislocation method of magnetic poles with a V-shaped magnetic pole. Background technique [0002] Permanent Magnet Linear Synchronous Motor (PMLSM) has significant advantages such as high thrust density, fast response speed, high efficiency, high precision, good controllability, and good reliability. In the motion platform of precision instruments, Permanent magnet linear motors enable high-speed long-stroke motion while maintaining high-precision positioning. However, due to the longitudinal cut of the primary iron core, the air gap magnetic field at the end of the cut is distorted. [0003] At present, the weakening of the normal force fluctuation of the motor is mainly studied from the aspects of the motor structure and other aspects. In 2014, Chen ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More IPC IPC(8): G06F30/20G06F111/10G06F119/14
Inventor 兰志勇谢斌
Owner XIANGTAN UNIV