KR100688012B1 - 자이로센싱 기능이 부가된 초음파모터 - Google Patents
자이로센싱 기능이 부가된 초음파모터 Download PDFInfo
- Publication number
- KR100688012B1 KR100688012B1 KR1020050072432A KR20050072432A KR100688012B1 KR 100688012 B1 KR100688012 B1 KR 100688012B1 KR 1020050072432 A KR1020050072432 A KR 1020050072432A KR 20050072432 A KR20050072432 A KR 20050072432A KR 100688012 B1 KR100688012 B1 KR 100688012B1
- Authority
- KR
- South Korea
- Prior art keywords
- stator
- piezoelectric element
- ultrasonic motor
- piezoelectric
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
- H02N2/14—Drive circuits; Control arrangements or methods
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/02—Rotary gyroscopes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
- H02N2/12—Constructional details
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
Description
Claims (2)
- 발진회로로부터 출력되는 각 고정자의 고유진동수에 해당하는 주파수의 전압을 압전소자에 가함으로써, 압전소자를 진동시키고 이러한 진동력에 따라 회전자로 하여금 고정자로부터 구동되게 하여 회전력을 얻는 초음파모터에 있어서,상기 압전소자(4)의 작용에 따른 물리적인 진동력을 전기적인 값으로 변환 생성시키는 다른 압전소자(5)를 상기한 고정자(6)의 외측면에 구비하고,상기 다른 압전소자(5)로부터의 출력값과 상기 발진회로(22)로부터의 출력값을 동시에 입력받아 연산하고, 연산된 그 값을 상기 압전소자(4)에 인가시키는 연산제어장치부(C)를 더 구비하여 됨을 특징으로 하는 자이로센싱 기능이 부가된 초음파모터.
- 제 1항에 있어서, 상기한 고정자(6)는 상기 회전자(12)를 시계 방향으로 정회전시킬 수 있는 진동력을 발하게 된 정회전력발생용 고정자(7a)와, 상기 회전자(12)를 반시계 방향으로 역회전시킬 수 있는 진동력을 발하게 된 역회전력발생용 고정자(7b)로 구성되고,상기 압전소자(4)는 상기한 정회전력발생용 고정자(7a) 하면부에 구비되는 제1군의 압전소자(4a)와, 상기한 역회전력발생용 고정자(7b) 하면부에 구비되는 제2군의 압전소자(4b)로 이루어지고,상기 다른 압전소자(5)는 상기한 정회전력발생용 고정자(7a) 외측면부에 구 비되는 제3군의 압전소자(5a)와, 상기한 역회전력발생용 고정자(7b) 외측면부에 구비되는 제4군의 압전소자(5b)로 이루어짐을 특징으로 하는 자이로센싱 기능이 부가된 초음파모터.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050072432A KR100688012B1 (ko) | 2005-08-08 | 2005-08-08 | 자이로센싱 기능이 부가된 초음파모터 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050072432A KR100688012B1 (ko) | 2005-08-08 | 2005-08-08 | 자이로센싱 기능이 부가된 초음파모터 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070017825A KR20070017825A (ko) | 2007-02-13 |
| KR100688012B1 true KR100688012B1 (ko) | 2007-02-27 |
Family
ID=41621851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050072432A Expired - Fee Related KR100688012B1 (ko) | 2005-08-08 | 2005-08-08 | 자이로센싱 기능이 부가된 초음파모터 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100688012B1 (ko) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5438229A (en) | 1993-02-08 | 1995-08-01 | Matsushita Electric Industrial Co., Ltd. | Ultrasonic motor and ultrasonic motor control method |
| JPH11341844A (ja) | 1998-05-29 | 1999-12-10 | Star Micronics Co Ltd | 位置検出方法並びに装置及びこれを用いた超音波モータ |
| JP2000166263A (ja) | 1998-11-27 | 2000-06-16 | Seiko Instruments Inc | 超音波モータおよび超音波モータ付き電子機器 |
| KR20050113328A (ko) * | 2004-05-27 | 2005-12-02 | 주은덕 | 정지파를 이용한 초음파 모터 |
-
2005
- 2005-08-08 KR KR1020050072432A patent/KR100688012B1/ko not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5438229A (en) | 1993-02-08 | 1995-08-01 | Matsushita Electric Industrial Co., Ltd. | Ultrasonic motor and ultrasonic motor control method |
| JPH11341844A (ja) | 1998-05-29 | 1999-12-10 | Star Micronics Co Ltd | 位置検出方法並びに装置及びこれを用いた超音波モータ |
| JP2000166263A (ja) | 1998-11-27 | 2000-06-16 | Seiko Instruments Inc | 超音波モータおよび超音波モータ付き電子機器 |
| KR20050113328A (ko) * | 2004-05-27 | 2005-12-02 | 주은덕 | 정지파를 이용한 초음파 모터 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20070017825A (ko) | 2007-02-13 |
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