| 旋转变压器解码芯片AD2S1200的解码原理与应用分析 |
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| 引用本文： | 郭新华,庄兴明,赵峰,方瑞明,卢小芬.旋转变压器解码芯片AD2S1200的解码原理与应用分析[J].微电机,2012,45(6):52-56. |
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| 作者姓名： | 郭新华 庄兴明 赵峰 方瑞明 卢小芬 |
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| 作者单位： | 1. 华侨大学信息科学与工程学院,福建厦门,361021
2. 中国科学院电工研究所,北京,100190 |
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| 摘 要： | 在高性能电机的控制中,转于位置的测量精度对电机的控制效果影响很大,为提高电机转子位置信号的测量精度,本文对旋转变压器解码芯片的解码原理进行了深入的分析,并推导出其离散化闭环传递函数,得出相应波特图和带宽；通过仿真给出了滤波电容参数与信号绕组电感、电阻参数之间的关系,分析了解码电路滤波电容的选择对转子位置角测量误差的影响,最终根据本文提出的方法选择了解码电路的最优滤波电容,并经过试验验证该方法的有效性.
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| 关 键 词： | 转子位置 旋转变压器 解码 传递函数 误差 |
Decoding Principles and Applying Analysis of Decoder Chip-AD2S1200 for Resolver |
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| GUO Xinhua
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ZHUANG Xingming
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ZHAO Feng
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FANG Ruiming
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LU Xiaofen.Decoding Principles and Applying Analysis of Decoder Chip-AD2S1200 for Resolver[J].Micromotors,2012,45(6):52-56. |
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| Authors: | GUO Xinhua ZHUANG Xingming ZHAO Feng FANG Ruiming LU Xiaofen |
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| Affiliation: | 1.College of Information Science and Engineering,Huaqiao University,Xiamen Fujian 361021,Chian; 2.Institute of Electrical Engineering Chinese Academy of Sciences,Beijing 100190,China) |
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| Abstract: | In the control of high-performance motor,the measuring accuracy of rotor position has great influence on the control of motor,in order to improve the measuring accuracy of rotor position signal in high-performance motor.In this paper,the decoding principles of decoder chip for resolver was analyzed,the discrete closed-loop transfer function was deduced,the Bode diagram and bandwidth was got.By simulation,the relations of filter capacitor parameter inductance parameter and resistor parameter was got,and the effect of filter capacitor in decode circuit on measurement error of rotor position was analyzed;the optimal filter capacitor was selected according to the method mentioned in this paper and this method was verified by experiment. |
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| Keywords: | rotor position resolver decode transfer function error |
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