Abstract
The power amplifier is a primary component in the control system of the magnetic suspending flywheel, which has to supply the electromagnet coil current proportional to an input voltage signal to generate the required magnetic field force. In this paper, a Pulse Width Modulated (PWM) switching power amplifier with a necessary Proportional Differential (PD) correction circuit is designed for the control system of the magnetic suspending flywheel. The experimental result shows that PWM power amplifier with PD correction features high efficiency, low signal distortion, broad bandwidth, and wide linear range and can meet the requirement for the control system of the magnetic suspending flywheel.
| Original language | English |
|---|---|
| Pages (from-to) | 741-746 |
| Number of pages | 6 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 5253 |
| DOIs | |
| State | Published - 2003 |
| Event | Fifth International Symposium on Instrumentation and Control Technology - Beijing, China Duration: 24 Oct 2003 → 27 Oct 2003 |
Keywords
- Bandwidth
- Distortion
- Magnetic suspending flywheel
- PD correction
- PWM power amplifier
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