Research on Power Amplifier for AMB Based on DSP

Autor: Zhang, Jian Sheng, Jiang, Da Jun
Zdroj: Applied Mechanics and Materials; January 2012, Vol. 150 Issue: 1 p217-220, 4p
Abstrakt: Active Magnetic Bearing (AMB), which supports freely a rotor by using controllable electromagnetic force, have a lot of advantages such as adjustable stiffness and damp that the traditional bearings can’t compare with. Power Amplifier is an important part of AMB Control System. It can magnify or convert the control signal which can’t drive the electromagnetic iron actuators directly into a power signal. Hence, the performance of power amplifier plays a crucial role in the technique capability of control system. A design method of the PWM Power Amplifier was introduced through the research of the power Amplifier, and hence the CNC fault diagnoses are realized by RBF neural network algorithm and program.
Databáze: Supplemental Index