At present, the interpolation technology is used in the decoding circuits to improve he photoelectric rotary encoder resolution and accuracy, and circuit itself is not adaptive for the environment, so the interpolation errors make great influence on the overall accuracy.
目前的译码电路普遍采用电子学细分技术来提高光电轴角编码器的分辨率和精度,但是对于环境的影响,电路本身不具有自适应性,因此,在不同环境条件下引入的细分误差对译码电路以及控制系统整体精度影响很大。
参考来源 - 绝对式光电码盘译码电路设计及模拟电路故障诊断研究The application of this algorithm can depress the subdivision error caused by signals not in phase quadrature. The realization of the algorithm is analyzed detailedly at the same time.
基于正切法细分,提出了一种新的相位误差补偿算法,通过信号区间的分段处理,使短周期信号的各相角均可得到实时校正,有效降低了由于信号相位不正交引起的细分误差,并详细分析了算法的实现条件。
参考来源 - 光栅莫尔条纹电子学细分技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
直接生成细分误差补偿数据。
Third, the compensation data is made easily to reduce encoder error.
本文最后对系统细分误差进行了误差分析。
At last, the errors of the subdivision of the system are analyzed.
同时对系统在细分误差补偿前后作了精度分析。
Meanwhile the system precision has also been analyzed before and after the subdivision error was compensated.
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