| 基于DDS技术的静电支承球形转子的电场恒速控制 |
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| 引用本文： | 任婷,田蔚风. 基于DDS技术的静电支承球形转子的电场恒速控制[J]. 微计算机信息, 2006, 22(28): 7-9 |
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| 作者姓名： | 任婷 田蔚风 |
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| 作者单位： | 200030,上海交通大学电子信息与电器工程学院信息检测技术与仪器系 |
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| 基金项目： | “十五”国防预研项目资助(编号不公开) |
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| 摘 要： | 本文针对静电球形转子在真空腔中存在转速衰减的问题,讨论了一种基于直接数字频率合成(Direct Digital FrequencySynthesis,即DDFS,一般简称DDS)技术的电场恒速控制系统的设计,详细介绍了DDS信号产生电路、鉴频鉴相电路的设计,并对系统的性能进行了分析。
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| 关 键 词： | 恒速控制 直接数字合成 鉴频鉴相器 |
| 文章编号： | 1008-0570(2006)10-1-0007-03 |
| 修稿时间： | 2005-01-05 |
Constant Speed Control with Electric Field for Electrostatic Suspension Spherical Rotor on DDS |
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| Ren,Ting,Tian,Weifeng. Constant Speed Control with Electric Field for Electrostatic Suspension Spherical Rotor on DDS[J]. Control & Automation, 2006, 22(28): 7-9 |
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| Authors: | Ren Ting Tian Weifeng |
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| Affiliation: | Ren,Ting Tian,Weifeng Department of Instrumentation Engineering,School of Electronic Information and Electrical Engineering,ShanghaiJiao Tong University,Shanghai200030,China |
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| Abstract: | A constant speed control system method of electric field on DDS is discussed to solve the speed attenuation problem of an electrostatic suspension spherical rotor.The DDS signal generating circuit and phase/frequency discriminator circuit are presented in detail,and at last the system performance is analyzed. |
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| Keywords: | Constant Speed Control Direct Digital Synthesis Phase/Frequency Discriminator |
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