New energy vehicle synchronous reluctance motor control method based on AC stepping control

A technology for synchronous reluctance motors and new energy vehicles. It is applied in the direction of AC motor control, generator control, and motor generator control. It can solve problems such as difficulties in practical application, large amount of calculation, and large torque ripple, and achieve good motor performance. Control effect, solve the effect of large torque ripple at low speed and small torque ripple

Active Publication Date: 2019-04-19
HEBEI UNIV OF TECH
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The direct torque control system is easily affected by the two-position control and the calculation accuracy of the flux linkage, resulting in large torque ripples and poor low-speed performance of the motor at low speeds
However, the traditional vector control requir

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 more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • New energy vehicle synchronous reluctance motor control method based on AC stepping control
  • New energy vehicle synchronous reluctance motor control method based on AC stepping control
  • New energy vehicle synchronous reluctance motor control method based on AC stepping control

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0153] The AC stepping control method of a synchronous reluctance motor in this embodiment includes the following steps:

[0154] In this embodiment, the motor to be controlled is a salient pole rotor synchronous reluctance motor with a power of 11kw, a rated voltage of 310v, a rated current of 22.2A, and a rated speed of 1500 Rpm.

[0155] Figure 7 The illustrated embodiment shows that the composition of the device used in the operating method of the synchronous reluctance motor AC step control of the present invention includes a DSP control module 1, a power circuit 2, a synchronous reluctance motor 3, an encoder position detection module 4 and an input power supply module 5 , wherein, the input power supply module 5 supplies power for the DSP control module 1, the power circuit 2 and the encoder position detection module 3, and the DSP control module 1, the power circuit 2, the synchronous reluctance motor 3 and the encoder position detection module 4 are sequentially conn...

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

No PUM Login to view more

Abstract

The invention provides a new energy vehicle synchronous reluctance motor control method based on AC stepping control. The synchronous reluctance motor control method for new energy vehicle based on ACstepping control discretely subdivides the stator current vector of three-phase current synthesis for a synchronous reluctance motor, and obtains the discrete positioning position of the space according to a certain cycle number, thereby realizing the position control of the motor by controlling the spatial position of the stator magnetic field so as to realize speed control. Synchronous reluctance motor stepping transmission control with positional characteristics provided by the synchronous reluctance motor control method is to convert the control difficulty in accurate modeling, caused bynonlinearity of the salient pole of the rotor by using the AC stepping control method, so as to realize high-accuracy positional control, and solves the problem of low speed torque ripple, complicatedstructure, and the like in the traditional control mode.

Description

technical field [0001] The invention relates to the technical field of AC motor transmission, in particular to a control method for synchronous reluctance motors for new energy vehicles based on AC step control. Background technique [0002] The synchronous reluctance motor has a simple structure, the stator is the same as the three-phase AC motor, and the rotor is similar to the switched reluctance motor. The synchronous motor with reluctance properties has high efficiency, high power density, easy to weaken magnetic field speed expansion, easy maintenance, and low cost. Significant advantages, high utilization value in new energy vehicle drive system. [0003] AC stepping drive control was proposed by Professor Liu Zongfu of Northeastern University in 1981. In 1996, Dr. Sun Hexu published the academic monograph "AC Stepping Drive System", which expounded it more comprehensively and systematically. Subsequently, in terms of theoretical research and engineering application...

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
no application Login to view more
IPC IPC(8): H02P25/098H02P21/18
CPCH02P21/18H02P25/098
Inventor 董砚刘维佳荆锴梁晶刘学奥黄安震董冠晨刘照麟
Owner HEBEI UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap