Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Magnetic suspension bearing monitoring-controlling integrating device

A magnetic levitation bearing and main control unit technology, applied in the direction of bearings, magnetic attraction or thrust holding devices, shafts and bearings, etc., can solve the difficult control algorithm of analog controllers, difficult online monitoring and control parameter adjustment, and lack of monitoring and real-time display functions to achieve stable performance, realize flexible control, and conveniently change controller parameters

Inactive Publication Date: 2006-05-24
SHANDONG UNIV
View PDF0 Cites 18 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, it is more common to use analog controllers for magnetic suspension bearings, but it is difficult for analog controllers to change the control algorithm, and it is not easy to realize the functions of online monitoring and control parameter adjustment. At the same time, the drift of analog device parameters will have a negative impact on the performance of the controller.
The main hardware of the domestic researched digital controller is composed of CPU as the core and signal input and output circuits. It adopts traditional PID or intelligent control algorithm. The operating status of the bearing and the real-time adjustment of the parameters on site are difficult to fully reflect the advantages of active support of the magnetic suspension bearing

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
  • Magnetic suspension bearing monitoring-controlling integrating device
  • Magnetic suspension bearing monitoring-controlling integrating device
  • Magnetic suspension bearing monitoring-controlling integrating device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] A control device for monitoring the five degrees of freedom of the magnetic suspension bearing is taken as an example to illustrate the specific implementation.

[0028] The circuit principle of this monitoring device is shown in Figure 1, it mainly includes the main control unit composed of DSP chip TMS320VC33 and its auxiliary circuit, signal input and conversion circuit, analog signal output circuit, and PCI interface circuit.

[0029] The auxiliary circuits in the main control unit include RAM, FLASH, decoding circuit, power supply, clock and so on. The DSP chip is the control core of the invention, the RAM chip in the auxiliary circuit is used to store program running data, sampling data, etc., the FLASH chip is used to store control programs and important parameters, and the decoding circuit is used to coordinate the normal operation of each hardware.

[0030] The DSP chip TMS320VC33 is a 32-bit floating-point DSP chip with relatively high performance and price re...

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 installation includes sensor of signal acquisition, conversion circuit of signal input, hardware system including main control unit composed of microprocessor and accessory circuit, and signal output circuit. Main control unit runs control program. Characters are that through PCI interface, hardware system is connected to host computer. The host computer runs monitor routine on upper layer. Running lower detection program, the main control unit is in charge for passing monitored information to host computer; based on commands of host computer, the main control unit modifies control parameters. The host monitors, controls, displays running status of magnetic suspension bearing in real time. Advantages of the installation are: stable performance, easy of adjustment, flexible control strategy so as to reach purpose of flexible control.

Description

technical field [0001] The invention relates to a monitoring device, in particular to a monitoring device applied to a magnetic suspension bearing. Background technique [0002] Magnetic suspension bearings use electromagnetic force to suspend the rotor. They have the advantages of no friction, long life, no lubrication, no pollution, high speed and high precision. They are the basic components for the development of high-end CNC machining equipment. The controller required by magnetic suspension bearings has strong anti-interference ability, high positioning accuracy, short dynamic response time, and good damping characteristics. However, magnetic suspension bearings have two difficulties in control: one is inherently unstable, and the other is strong nonlinearity. The problem becomes very complicated. In addition, in order to achieve high speed, high precision, low power consumption and other indicators of magnetic suspension bearings, the controller must be able to reali...

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): G05B13/00F16C32/04G05B13/02H02N15/00
Inventor 刘淑琴于文涛边忠国李敏花
Owner SHANDONG UNIV
Features
  • Generate Ideas
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com