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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yang Yuan Gao Yong Chen Lijie |
| Copyright Year | 2006 |
| Description | Author affiliation: Dept. of Electron. Eng., Xi'an Univ. of Technol. (Yang Yuan; Gao Yong; Chen Lijie) |
| Abstract | In order to improve the sinusoidal pulse width modulation (SPWM) control system's real time capability and reduce the system's complexity, a high precision programmable digital three phases SPWM chip based on variable sampling frequency method is designed. The chip can be "programmed" by MCU to set the needed parameters with great flexibility and can be interfaced with multiplexed and non-multiplexed data bus mode. To implement the high precision for any frequency sinusoidal power wave, an improved method is presented by changing the sampling clock frequency for different power frequency while keeping the sampling points constant. In addition, the pipeline structure also has improved the speed of the system. The chip is fabricated with 0.35 mum CMOS technology and the core area is 1755times1746 $mum^{2}.$ The test results show that the chip has reached its specifications. The control resolution for any power frequency is up to 16 bits, the system clock can reach 50 MHz, and the ROM operation period is up to 1.68 mus |
| Sponsorship | China Electrotechnical Soc. IEEE Power Electron. Soc |
| Starting Page | 1 |
| Ending Page | 3 |
| File Size | 329546 |
| Page Count | 3 |
| File Format | |
| ISBN | 1424404487 |
| DOI | 10.1109/IPEMC.2006.4778268 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-08-14 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Testing Frequency Sampling methods Pulse width modulation Control systems Clocks CMOS technology Space vector pulse width modulation Phase modulation Digital modulation test SPWM chip design |
| Content Type | Text |
| Resource Type | Article |
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