FR2644018B1 - Dispositif formant filtre passe-bande, procede de filtrage utilisant un tel dispositif et dispositif de commande utilisant ce dispositif - Google Patents

Dispositif formant filtre passe-bande, procede de filtrage utilisant un tel dispositif et dispositif de commande utilisant ce dispositif

Info

Publication number
FR2644018B1
FR2644018B1 FR909002430A FR9002430A FR2644018B1 FR 2644018 B1 FR2644018 B1 FR 2644018B1 FR 909002430 A FR909002430 A FR 909002430A FR 9002430 A FR9002430 A FR 9002430A FR 2644018 B1 FR2644018 B1 FR 2644018B1
Authority
FR
France
Prior art keywords
same
bandpass filter
filtering method
control device
control
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.)
Expired - Lifetime
Application number
FR909002430A
Other languages
English (en)
Other versions
FR2644018A1 (fr
Inventor
Osami Matsushita
Michiyuki Takagi
Toyomi Yoshida
Naohiko Takahashi
Ikuhiro Saitoh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2644018A1 publication Critical patent/FR2644018A1/fr
Application granted granted Critical
Publication of FR2644018B1 publication Critical patent/FR2644018B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0211—Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms
    • H03H17/0213—Frequency domain filters using Fourier transforms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0444—Details of devices to control the actuation of the electromagnets
    • F16C32/0451—Details of controllers, i.e. the units determining the power to be supplied, e.g. comparing elements, feedback arrangements with P.I.D. control
    • F16C32/0453—Details of controllers, i.e. the units determining the power to be supplied, e.g. comparing elements, feedback arrangements with P.I.D. control for controlling two axes, i.e. combined control of x-axis and y-axis

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Electromagnetism (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Complex Calculations (AREA)
  • Feedback Control In General (AREA)
  • Control Of Position Or Direction (AREA)
FR909002430A 1989-03-01 1990-02-27 Dispositif formant filtre passe-bande, procede de filtrage utilisant un tel dispositif et dispositif de commande utilisant ce dispositif Expired - Lifetime FR2644018B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1046529A JP2776871B2 (ja) 1989-03-01 1989-03-01 フーリエ変換バンドパスフイルタ形制御装置

Publications (2)

Publication Number Publication Date
FR2644018A1 FR2644018A1 (fr) 1990-09-07
FR2644018B1 true FR2644018B1 (fr) 1992-09-18

Family

ID=12749809

Family Applications (1)

Application Number Title Priority Date Filing Date
FR909002430A Expired - Lifetime FR2644018B1 (fr) 1989-03-01 1990-02-27 Dispositif formant filtre passe-bande, procede de filtrage utilisant un tel dispositif et dispositif de commande utilisant ce dispositif

Country Status (3)

Country Link
US (1) US4992714A (fr)
JP (1) JP2776871B2 (fr)
FR (1) FR2644018B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5202824A (en) * 1990-06-21 1993-04-13 Mechanical Technology Incorporated Rotating force generator for magnetic bearings
JP3090977B2 (ja) * 1991-05-31 2000-09-25 株式会社日立製作所 磁気軸受けの制御方法及び装置
US5343408A (en) * 1991-08-09 1994-08-30 Industrial Technology Research Institute Device for on-line automatic fluid injection balancing system
GB9321365D0 (en) * 1993-10-15 1993-12-08 British Aerospace Waveform processing
JP3425475B2 (ja) * 1994-07-12 2003-07-14 セイコーインスツルメンツ株式会社 磁気軸受装置
US5736801A (en) * 1995-08-18 1998-04-07 Ebara Corporation Filter circuit and control circuit for controlling a rotor
US5625267A (en) * 1995-12-13 1997-04-29 Coburn Optical Industries, Inc. Constant delay filtering for synchronized motion on multiple axes
JP3701115B2 (ja) 1998-02-12 2005-09-28 株式会社荏原製作所 磁気軸受制御装置
CN112730980B (zh) * 2020-12-03 2022-07-15 浙江工业大学 基于非理想lpf的非基带脉冲信号fri采样与参数估计方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54111871A (en) * 1978-02-22 1979-09-01 Hitachi Ltd Frequency detecting method
JPS60501186A (ja) * 1983-02-02 1985-07-25 ジ−イ−シ−　アビニヨニクス　リミテツド ２進デジタルプロセッサ
JPS61262225A (ja) * 1985-05-13 1986-11-20 Hitachi Ltd 電磁軸受制御装置

Also Published As

Publication number Publication date
JP2776871B2 (ja) 1998-07-16
FR2644018A1 (fr) 1990-09-07
JPH02227701A (ja) 1990-09-10
US4992714A (en) 1991-02-12

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20051031