Unlock instant, AI-driven research and patent intelligence for your innovation.

Motor drive control device and motor drive control method

A motor drive control and motor control technology, applied in the direction of suppressing motor vibration control, motor control, motor generator control, etc., can solve the problems of motor drive circuit heating, can not improve the judgment accuracy, etc., to achieve the effect of simple structure

Active Publication Date: 2018-05-25
MINEBEA CO LTD
View PDF9 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem of causing the motor and the driving circuit of the motor to generate heat
[0007] In the method described in the above-mentioned Patent Document 1, since the oscillation state is determined based on the rotation speed of the motor, there is a problem that the determination accuracy cannot be improved.

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
  • Motor drive control device and motor drive control method
  • Motor drive control device and motor drive control method
  • Motor drive control device and motor drive control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0029] figure 1 It is a block diagram showing the circuit configuration of the motor drive control device in one embodiment of the present invention.

[0030] Such as figure 1 As shown, the motor drive control device 1 is configured to output drive power to a motor 20 such as a single-phase brushless motor to drive the motor 20 . The motor drive control device 1 flows a driving current into armature coils La and Lb (armature windings) of the motor 20 based on a signal output from a rotational position detector (an example of a sensor) 4 in response to the rotation of the rotor, thereby rotating the motor 20 .

[0031] The motor drive control device 1 includes an inverter circuit 2 and a pre-drive circuit 3 constituting a motor drive unit that drives a motor 20 , and a control circuit unit 5 that controls driving of the motor 20 . and, figure 1 The components of the motor drive control device 1 shown are part of the whole, and the motor drive control device 1 except figure ...

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 present invention provides a motor drive control device and a motor drive control method capable of detecting a swing state in a simple configuration and with high accuracy. The motor drive control device (1) drives a motor using position information detected by one rotation position detector (4). A current monitoring unit (56) detects a magnitude of a coil current flowing through a coil (La,Lb) of the motor (20). A position monitoring unit (57) detects a rotation position of the motor (20) based on the position information. A swing determination unit (52) determines, based on the magnitude of the coil current, the rotation position of the motor (20), and a driving command for driving the motor (20), whether or not the motor (20) is in a swing state.

Description

technical field [0001] The present invention relates to a motor drive control device and a motor drive control method, and more particularly, to a motor drive control device and a motor drive control method for driving a motor using a detection result of a rotational position of a motor by a single sensor. Background technique [0002] When the motor is driven, a so-called swing (oscillation) state may occur. The swing state means that in the presence of a drive command for driving the motor, the rotor of the motor does not rotate to the front of a specific rotation position, but repeats the reciprocating rotation between the specific rotation position and the position in front of it, which cannot be achieved. The state in which the motor is completely stopped. For example, when a driven body such as a fan is rotated by a motor, when the driven body rotates clockwise and reaches a specific rotational position, it encounters an obstacle or the like, and due to its reaction, ...

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
Patent Type & Authority Applications(China)
IPC IPC(8): H02P6/12
CPCH02P6/12H02P2203/03H02P3/025H02P3/18H02P6/16H02P23/04H02P25/04H02P6/15
Inventor 海津浩之青木政人芹泽阳平
Owner MINEBEA CO LTD
Features
  • R&D
  • 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