JP2007105875A - 電磁気的に作動される回転機械の不釣合補償装置 - Google Patents
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- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
- F16F15/36—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels operating automatically, i.e. where, for a given amount of unbalance, there is movement of masses until balance is achieved
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Abstract
【解決手段】複数の周方向に置かれた磁気回路、および、回路を通る磁束(1210)を選択的に中断しそれにより不釣合ロータ(350〜351)を所望の方法で動かし機械の不釣合を補償する動力ドライバを含む電磁気的に作動される機械釣合取り装置(110)。釣合取りアッセンブリ(110)は、遠隔して静止のマイクロプロセッサに基づくコントローラ(140)を含み、コントローラはストアされたコンピュータプログラム制御の下に作動し、かつ、ストアされたプログラムおよび環境的そして計測されたパラメータにより特定された方法でアッセンブリ(110)を制御するよう適合されている。
【選択図】図1
Description
(a) スピンドルに連結された回転手段、および
(b) 前記回転手段と電磁気的に連絡し、前記スピンドル上で前記回転手段の一部を選択的に動かす電磁界発生手段を備えている。
(a) 前記スピンドルに第1の部材を可動に連結するステップ、
(b) 既知の不釣合を包含し、複数の永久磁石が備えられた2つの回転部材を前記第1の部材内に置くステップ、および
(c) 前記回転部材および永久磁石を、回転部材の各々を前記回転中のスピンドル上の所定の位置に独立的に動かすのに有効であるよう、電磁気的に連絡するステップを備えている。
または、
t = 時間
m = 質量
Δv = 速度の変化
t = 時間
I = 回転質量慣性モーメント
Δω = 角速度の変化
A = 磁束の断面積
Br = ディテント永久磁石に誘起される磁束密度
μ0 = 自由空間の透磁定数
Bd = ドライバの磁界密度
種々のアッセンブリに用いられる制御技術を理解するために、図26を参照する。図26は本発明の好ましい実施例の教示に従って作られたコントローラ140を示す。特に、コントローラ140は、テキサス州AustinのMotorola Corporationにより製造され商業的に入手可能なModel 80C196KCからなるマイクロコンピュータ2615を含んでいる。マイクロコンピュータ2615は、当業者には明らかであるように、(後述の)「オンライン」で必要な計算を遂行するよう適合された16ビットの中央処理装置(central processing unit)およびマイクロコンピュータ2615に受け入れられるアナログ振動信号をデジタル化するのに用いられる10ビットのアナログ/ディジタルコンバータを含んでいる。マイクロコンピュータ2615はまた、(後で説明する)位置センサから受け取る信号のパルス持続時間を計測するよう適合された3つの縁部感応タイマ、および、ディスプレイまたはキーボードと通信するのに用いられる一対のパラレルポートを含んでいる。最後に、マイクロコンピュータ2615はRS-232Cタイプのシリアルポートを含んでいる。本発明の好ましい実施例では、後述する制御アルゴリズムの全てがマイクロコンピュータ2615内で計算、かつ、遂行される。
本発明の好ましい実施例では、マイクロプロセッサに基づくコントローラ2611がメモリにストアされたソフトウエアアルゴリズムを含み、それが釣合取り装置の自動的作動を生じさせる。
・初期振動位相角 θv1(任意の機械基準に関するラジアン)
・初期釣合取り装置ロータの角度 θa1、θb1
・「試験的」振動位相角 θv2(任意の機械基準に関するラジアン)
・「試験的」釣合取り装置ロータの角度 θa2、θb2
Claims (23)
- 機械の釣合取り装置であって、
(a)磁界を発生する静止のドライブ手段、および
(b)機械に連結され、前記ドライブ手段から発される前記磁界を受けるロータ手段であって、前記機械の釣合を取るべく前記磁界に応答して動く回転部材を備えるロータ手段
を備えることを特徴とする機械の釣合取り装置。 - 前記ドライブ手段は、「C」形状のハウジング、コイルコア、および一対の巻線を備えることを特徴とする請求項1に記載の機械の釣合取り装置。
- 前記ドライブ手段は、前記ロータ手段に同心に取り付けられていることを特徴とする請求項1に記載の機械の釣合取り装置。
- 前記ロータ手段は、永久磁石磁界を有し複数の周方向に離間された永久磁石を有する少なくとも一つのロータ、および、前記ロータを磁気的に受け入れ、前記永久磁石磁界を向ける複数のノッチを有する板を備えることを特徴とする請求項1記載の機械の釣合取り装置。
- 前記静止のドライブ手段は、前記磁界の発生を選択的に生じさせるストアされたプログラム制御の下に作動するマイクロプロセッサ手段を備えることを特徴とする請求項1記載の機械の釣合取り装置。
- 前記静止のドライブ手段は、前記機械の釣合取り装置に付随する振動を計測する手段を含むことを特徴とする請求項1記載の機械の釣合取り装置。
- 前記磁界はパルスを備えることを特徴とする請求項1に記載の機械の釣合取り装置。
- 不釣合を補償する装置であって、
(a)不釣合の振動を計測する手段、
(b)複数の可動ロータであって、各々が釣合重りおよび周方向に取り付けられた複数の磁石を有し、前記複数の磁石が複数の磁界を発生するロータ、
(c)可動のロータに関して静止の複数の極板であって、前記複数の可動ロータを協働的に分離し、前記複数の磁界を受ける複数の極板、および、
(d)前記ロータの釣合重りを不釣合を補償するために動かすように前記複数の磁界を選択的に中断する電磁界を発生するドライブ手段、
を備えることを特徴とする不釣合を補償する装置。 - 前記ドライバ手段は、ほぼ「C」形状のハウジング、コイルコア、および一対の巻線を備えることを特徴とする請求項8に記載の不釣合を補償する装置。
- 前記ドライバ手段は、前記装置に同心に取り付けられていることを特徴とする請求項8に記載の不釣合を補償する装置。
- 前記ロータは、ある時間の継続中に動かされ、前記電磁界は前記ある時間の継続よりも短い期間を有する少なくとも一つのパルスを備えることを特徴とする請求項8に記載の装置。
- 前記ドライバ手段はさらに、前記巻線の各々を別々に、かつ、選択的に励磁する手段を備えることを特徴とする請求項9に記載の装置。
- 複数の周方向に離間されたノッチを有する極板、
釣合重りおよび複数の周方向に離間された永久磁石を有するロータであって、前記永久磁石が複数の磁気回路を形成すべく前記ノッチと相互作用するロータ、および
不釣合を補償するために、前記釣合重りを有する前記ロータの動きを生じさせるべく前記複数の磁気回路を中断する電磁気エネルギーのパルスを生じさせる発生手段、
を備えることを特徴とする電磁気的に作動される回転機械不釣合補償装置。 - 前記ロータは、少なくとも一つの高密度部分を備えることを特徴とする請求項13に記載の補償装置。
- さらに、前記少なくとも一つの高密度部分のある位置への動きを制御するために前記発生手段を作動させる制御手段を備えることを特徴とする請求項14に記載の補償装置。
- さらに、前記補償装置の不釣合を計測し、前記計測不釣合を前記制御手段に通信する手段を備えることを特徴とする請求項14に記載の補償装置。
- 前記制御手段は、ストアされたプログラム制御の下に作動可能であることを特徴とする請求項16に記載の補償装置。
- 前記発生手段は、前記補償装置に同心に取り付けられていることを特徴とする請求項13に記載の補償装置。
- 前記発生手段は、実質的に「C」形状であることを特徴とする請求項13に記載の補償装置。
- 機械の釣合取りの方法であって、
(a)釣合重りを含む第1の部材を前記機械に可動に結合し、
(b)前記第1の部材に複数の磁石を置き、前記複数の磁石はある磁界を形成しており、
(c)前記ある磁界を中断し、前記第1の部材の釣合重りを所定の位置に動かして前記機械の釣合を取るのに有効とする、
ステップを備えることを特徴とする方法。 - 前記第1の部材に少なくとも一つの重り部分を置くステップをさらに備えることを特徴とする請求項20に記載の方法。
- 前記ある磁界を中断するステップは、電磁気エネルギーの少なくとも一つのパルスの発生を備えることを特徴とする請求項20に記載の方法。
- さらに、第2の部材を設け、かつ、前記第2の部材に前記ある磁界を向ける複数のノッチを形成することを特徴とする請求項20記載の方法。
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US08/346,158 US5757662A (en) | 1994-11-29 | 1994-11-29 | Eletromagnetically actuated rotating machine unbalance compensator |
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JP51887896A Division JP3927234B2 (ja) | 1994-11-29 | 1995-11-16 | 電磁気的に作動される回転機械の不釣合補償装置 |
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JP2006344882A Expired - Lifetime JP4291361B2 (ja) | 1994-11-29 | 2006-12-21 | 電磁気的に作動される回転機械の不釣合補償装置 |
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EP (1) | EP0795156B1 (ja) |
JP (2) | JP3927234B2 (ja) |
AT (1) | ATE198934T1 (ja) |
AU (1) | AU4366496A (ja) |
CA (1) | CA2200585A1 (ja) |
DE (1) | DE69520003T2 (ja) |
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KR20180079666A (ko) * | 2017-01-02 | 2018-07-11 | 두산중공업 주식회사 | Pm 형 스테핑 모터 시스템을 이용한 자동 평형 장치 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US5757662A (en) * | 1994-11-29 | 1998-05-26 | Balance Dynamics, Inc. | Eletromagnetically actuated rotating machine unbalance compensator |
DE19743578A1 (de) * | 1997-09-30 | 1999-04-01 | Hofmann Mes Und Auswuchttechni | Verfahren zum Auswuchten eines Rotationskörpers |
US6242826B1 (en) * | 1998-07-27 | 2001-06-05 | Matsushita Electric Industrial Co., Ltd. | Spindle motor and disc driving apparatus comprising the same |
DE69924202T2 (de) | 1998-10-08 | 2006-05-11 | Baladyne Corp., Ann Arbor | Auswuchtvorrichtung |
US6618646B1 (en) | 1999-03-31 | 2003-09-09 | Baladyne Corp. | Method and apparatus for balancing |
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KR20180079666A (ko) * | 2017-01-02 | 2018-07-11 | 두산중공업 주식회사 | Pm 형 스테핑 모터 시스템을 이용한 자동 평형 장치 |
KR101920549B1 (ko) * | 2017-01-02 | 2018-11-20 | 두산중공업 주식회사 | Pm 형 스테핑 모터 시스템을 이용한 자동 평형 장치 |
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DE69520003D1 (de) | 2001-03-01 |
JP2001501540A (ja) | 2001-02-06 |
JP4291361B2 (ja) | 2009-07-08 |
ATE198934T1 (de) | 2001-02-15 |
AU4366496A (en) | 1996-06-19 |
US6236934B1 (en) | 2001-05-22 |
US5757662A (en) | 1998-05-26 |
DE69520003T2 (de) | 2001-08-23 |
JP3927234B2 (ja) | 2007-06-06 |
EP0795156B1 (en) | 2001-01-24 |
ES2156957T3 (es) | 2001-08-01 |
WO1996017294A1 (en) | 1996-06-06 |
EP0795156A4 (en) | 1998-10-21 |
CA2200585A1 (en) | 1996-06-06 |
EP0795156A1 (en) | 1997-09-17 |
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