| 一种新型光电轴角编码器译码方法研究 |
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| 引用本文： | 陈兴林,刘杨,吕恒毅.一种新型光电轴角编码器译码方法研究[J].传感器与微系统,2010,29(2). |
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| 作者姓名： | 陈兴林 刘杨 吕恒毅 |
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| 作者单位： | 哈尔滨工业大学控制科学与工程系,黑龙江,哈尔滨,150001 |
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| 摘 要： | 针对光电轴角编码器的光电流信号变化对传统译码电路结果有很大影响的问题,提出了一种新型译码方法及其硬件电路实现。该方法采用全数字方案获取编码器的原始信息,自适应地改变译码算法所需的关键参数,对环境变化等因素进行补偿。为了获得最佳的滤波效果,使滤波器参数随转速改变,对粗码信号进行智能滤波处理。在空间激光链路的高精度编码器应用中,此方法大大减少了译码电路调试和光电编码器机械装调的工作量,降低了由各种环境变化和干扰造成的误码率。
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| 关 键 词： | 光电编码器 自适应译码 数字滤波 数字信号处理器 |
Research on new decode method of photoelectrical encoder |
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| CHEN Xing-lin,LIU Yang,L Heng-yi.Research on new decode method of photoelectrical encoder[J].Transducer and Microsystem Technology,2010,29(2). |
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| Authors: | CHEN Xing-lin LIU Yang L Heng-yi |
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| Affiliation: | CHEN Xing-lin,LIU Yang,L(U) Heng-yi |
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| Abstract: | Aimed at the problem of axial angle encoder have great influence on the result of change of traditional decoder circuit,a new method of decode and its hardware circuit implement is presented.A full digital scheme is used in this method of encoder to obtain the original information.The key parameters can be changed adaptively and environmental variation can be compensated.An intelligent filter is used for disposing coarse signal,to get best performance of filter and make the parameters of filter changed with... |
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| Keywords: | photoelectrical encoder adaptive decoder digital filter digital signal processor(DSP) |
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