공기포일 자기 하이브리드 베어링으로 지지되는 연성 축의 휨 모드 진동 제어
Bending Mode Vibration Control of a Flexible Shaft Supported by a Hybrid Air-foil Magnetic Bearing
1
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
Hybrid air-foil magnetic bearing integrates two oil free bearing technologies synergetically to adopt the strengths of two bearings with minimizing their weaknesses. This paper presents bending mode vibration control of a flexible shaft supported by the hybrid air-foil magnetic bearing. An experiment set-up of a flexible shaft supported by the hybrid air-foil magnetic bearing is built. In order to verify the effectiveness of the hybrid bearing, unbalance responses of the flexible shaft supported by three different bearings: air-foil, magnetic and hybrid bearings are compared. Effect of load sharing between air-foil and magnetic bearings are investigated through changing the control gain and the rotor center position of magnetic bearing. The experimental results shows that the hybrid bearing can control the bending mode vibration of the flexible shaft effectively and an optimal performance can be achieved with an appropriate load sharing between the air-foil and the magnetic bearings.
Abstract
Hybrid air-foil magnetic bearing integrates two oil free bearing technologies synergetically to adopt the strengths of two bearings with minimizing their weaknesses. This paper presents bending mode vibration control of a flexible shaft supported by the hybrid air-foil magnetic bearing. An experiment set-up of a flexible shaft supported by the hybrid air-foil magnetic bearing is built. In order to verify the effectiveness of the hybrid bearing, unbalance responses of the flexible shaft supported by three different bearings: air-foil, magnetic and hybrid bearings are compared. Effect of load sharing between air-foil and magnetic bearings are investigated through changing the control gain and the rotor center position of magnetic bearing. The experimental results shows that the hybrid bearing can control the bending mode vibration of the flexible shaft effectively and an optimal performance can be achieved with an appropriate load sharing between the air-foil and the magnetic bearings.
참고문헌 (12)
- Heshmat, H, "Advancements in the Performance of Aerodynamic Foil Journal Bearings: High Speed and Load Capability", ASME Journal of Tribology, 116(2), pp.287~295 (1994)
- Heshmat, H, "On the Performance of Hybrid Foil-Magnetic Bearings", ASME Journal of Engineering for Gas Turbines and Power, 122(1), pp.73~81 (2000)
- Swanson, E. E, "Performance of a Foil-Magnetic Hybrid Bearing", ASME Journal of Engineering for Gas Turbines and Power, 124, pp.375~382 (2002)
- Tarbares, D. R, "Rotordynamic Performance of A Rotor Supported on Bump-type Foil Bearings : Experiment & Predictions", 석사, pp.2006
- Schweitzer, G, "Active Magnetic Bearings, Hochschulverlag AG" (1994)
- Lee, S. H, "Vibration Control and Stability of High Speed Rotor Supported by a Hybrid Bearings", 석사, pp.2009
- Park, J. H, "A Vibration Control of High Speed Rotating Shaft Supported by a Hybrid Air Foil-magnetic Bearings", 석사, pp.2009
- Ahn, H. J, "A Study on System Identification and Vibration Control of the AMB Spindle for High Speed Precision Machining using Cylindrical Capacitive Sensors", 박사, Mechanical and Aerospace Engineering, pp.2001
- Kim, K. J, "Identification of Dynamics Characteristics of Squeeze Film Damper Using Active Magnetic Bearing System as an Exciter", Transactions of the Korean Society for Noise and Vibration Engineering, 13(7), pp.508~516 (2003)
- "RK 4 rotor kit, Bently Nevada LLC. 1631 Bently Parkway South, Minden, Nevada USA 89423", ~ (2000)
- "RoDAP", DnM Technology Co
- Frank, L. L, "Applied Optimal Control & Estimation" (1992), Prentice-Hall, Inc