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Titolo:
CHARACTERISTICS OF MAGNETIC BEARINGS BIASED WITH PERMANENT-MAGNETS INTHE STATOR
Autore:
FUKATA S; YUTANI K; KOUYA Y;
Indirizzi:
KYUSHU INST DESIGN,DEPT IND DESIGN,MINAMI KU,4-9-1 SHIOBARU FUKUOKA 8158540 JAPAN KYUSHU UNIV,HIGASHI KU FUKUOKA 8128581 JAPAN
Titolo Testata:
JSME international journal. Series C, mechanical systems, machine elements and manufacturing
fascicolo: 2, volume: 41, anno: 1998,
pagine: 206 - 213
SICI:
1344-7653(1998)41:2<206:COMBBW>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Keywords:
MAGNETIC BEARING; MODELING; ANALOG CONTROL; PERMANENT MAGNET; ELECTROMAGNET; DYNAMICS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
10
Recensione:
Indirizzi per estratti:
Citazione:
S. Fukata et al., "CHARACTERISTICS OF MAGNETIC BEARINGS BIASED WITH PERMANENT-MAGNETS INTHE STATOR", JSME international journal. Series C, mechanical systems, machine elements and manufacturing, 41(2), 1998, pp. 206-213

Abstract

A linearized dynamic model is considered for active magnetic radial bearings constructed with the combination of permanent magnets arrangedin the stators to provide bias force and electromagnets to generate control force. The model is presented in a simple form similar to that of the all-electromagnetic design, under the condition that there is no bias load in the radial horizontal direction. The numerical frequency responses of the rotor positioning control systems are compared withthe experimental results, to check the validity of the linearized model in the non-rotating state. Other characteristics are examined experimentally: the transient response of the rotor motion to a direct impact in the non-rotating state, and the decay of rotation due to magnetic brake and the whirling of rotor in the rotating state. The results show the similar characteristics to the all-electromagnetic design.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/04/20 alle ore 22:57:26