Rotor vibration reduction using magnetic actuators and feedforward control system

• Grant number: 07/01597-0
• Support Opportunities: Scholarships in Brazil - Master
• Start date: September 01, 2007
• End date: August 31, 2009
• Field of knowledge: Engineering - Mechanical Engineering - Mechanics of Solids
• Principal Investigator: Luiz de Paula Do Nascimento
• Grantee: Efrain Araujo Perini
• Host Institution: Faculdade de Engenharia (FEIS). Universidade Estadual Paulista (UNESP). Campus de Ilha Solteira. Ilha Solteira , SP, Brazil

Abstract

In this research work will be developed a theoretical analysis of the performance of an active control system using magnetic actuators to reduce rotor vibrations. In this case, the rotor will be supported by magnetic bearings, which also will operate as actuators. A feedforward system will be employed superimposed to a feedback control of the actuators. The main goal of this work is to analize the performance of the actuator as a function of error sensors positions respect to the actuators and exciting forces positions. Exciting forces of synchronous and subsynchronous type, which normally apper in rotors with high rotating speed, as turbomachines, will be applied on the system. Furthermore, will be accomplished an analysis of the control forces applied by the actuators to reach the vibration reductions where the error sensors are placed. The analysis will be carried on using rotor models developed with the impedance matrix method.

Academic Publications

(References retrieved automatically from State of São Paulo Research Institutions)

PERINI, Efrain Araujo. Redução de vibrações de rotores utilizando atuadores magnéticos e sistema de controle feedforward. 2009. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Engenharia. Ilha Solteira Ilha Solteira.