基于LabVIEW的编码器信号自动补偿系统开发
发布时间：2019-03-03 19:02
【摘要】：随着我国现代工业技术的蓬勃发展，制造业水平的不断提高，工业、医疗、航空航天等行业对测控系统有了更高的要求。作为测控系统组成的关键元器件，编码器分辨力和计数精度直接影响测控系统运行的精准性。国内对编码器信号的处理及补偿多集中在编码器偏心调整和信号电子学细分两个方向，有关采用编码器输出信号自动补偿技术提高编码器测控精度的研究较少，这已成为进一步提高编码器性能研究中亟需解决的问题。 本文在系统研究编码器工作原理的基础上，深入分析了编码器输出信号的误差来源，以实现补偿信号高效率、高精度、稳定性好、操作简便为目的，研制并开发了JKW-1型编码器输出信号自动补偿系统。 针对编码器信号获取易出现偏差、装夹效率低、驱动转速得不到保证等问题，设计了专用编码器模拟工作控制台，以达到编码器主体无损伤装夹、信号稳定输出、减小信号误差的目的。根据编码器数据传输流程，研制了编码器输出信号自动补偿系统工作平台，运用TCP/IP通信和BISS通信结合的方式，实现了编码器输出信号参数的判断、补偿和写入。 针对人工补偿信号方法的过程繁杂、效率低、可靠性低、精度不稳定等不足，以减小信号波动等非线性误差对编码器补偿过程的影响为目的，采用径向基神经网络算法，建立了包含通信模块、信号处理模块、信号补偿模块、信号标定模块及软件辅助模块等，，可满足编码器主码道（M码道）、节码道（S码道）、游标码道（N码道）的信号幅值、相位、偏移量的误差调整要求的编码器输出信号误差补偿系统。 实验结果表明，自主开发的编码器信号自动补偿系统可以满足信号参数的补偿要求，补偿结果稳定性好。采用信号自动补偿方法，提高编码器信号的补偿效率和补偿精度，补偿结果相较于人工补偿更接近于理想信号误差。本文所采用的编码器信号补偿方法和研制的补偿系统，对进一步提高编码器信号质量有重要的实用价值与现实意义。
[Abstract]:With the vigorous development of modern industrial technology and the continuous improvement of manufacturing industry, industries such as industry, medical treatment, aerospace and other industries have higher requirements for measurement and control system. As the key components of the measurement and control system, the resolution and counting precision of the encoder directly affect the precision of the measurement and control system. In our country, the processing and compensation of encoder signal mostly focus on the adjustment of encoder eccentricity and the subdivision of signal electronics. There is little research on how to improve the measurement and control accuracy of encoder by using encoder output signal automatic compensation technology. This has become an urgent problem to be solved in the research of further improving the performance of encoders. In this paper, on the basis of systematic research on the principle of encoder, the error source of encoder output signal is deeply analyzed in order to realize high efficiency, high precision, good stability and easy operation of compensation signal. The automatic compensation system of JKW- 1 encoder output signal is developed and developed. Aiming at the problems such as easy deviation of encoder signal acquisition, low clamping efficiency and unguaranteed driving speed, a special encoder simulation working console is designed to achieve the encoder main body without damage and clamp, and the signal output is stable. The purpose of reducing signal error. According to the data transmission flow of encoder, the working platform of encoder output signal automatic compensation system is developed. Using the combination of TCP/IP communication and BISS communication, the judgement, compensation and writing of encoder output signal parameters are realized. In order to reduce the influence of nonlinear error, such as signal fluctuation, on the compensation process of encoder, the radial basis function neural network algorithm is adopted in order to reduce the complexity, low efficiency, low reliability and unstable precision of the artificial compensation signal method. It includes communication module, signal processing module, signal compensation module, signal calibration module and software assistant module, which can meet the encoder main code channel (M code channel), section code channel (S code channel), etc. Error compensation system of encoder output signal is required for error adjustment of signal amplitude, phase and offset of Vernier code channel (N code channel). The experimental results show that the self-developed encoder signal automatic compensation system can meet the demand of signal parameter compensation and the compensation result is stable. The compensation efficiency and precision of encoder signal are improved by the method of signal automatic compensation. The compensation result is closer to the ideal signal error than manual compensation. The method of encoder signal compensation and the compensation system developed in this paper have important practical value and practical significance to further improve the quality of encoder signal.
【学位授予单位】：哈尔滨理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TN762
本文编号：2434009
[Abstract]:With the vigorous development of modern industrial technology and the continuous improvement of manufacturing industry, industries such as industry, medical treatment, aerospace and other industries have higher requirements for measurement and control system. As the key components of the measurement and control system, the resolution and counting precision of the encoder directly affect the precision of the measurement and control system. In our country, the processing and compensation of encoder signal mostly focus on the adjustment of encoder eccentricity and the subdivision of signal electronics. There is little research on how to improve the measurement and control accuracy of encoder by using encoder output signal automatic compensation technology. This has become an urgent problem to be solved in the research of further improving the performance of encoders. In this paper, on the basis of systematic research on the principle of encoder, the error source of encoder output signal is deeply analyzed in order to realize high efficiency, high precision, good stability and easy operation of compensation signal. The automatic compensation system of JKW- 1 encoder output signal is developed and developed. Aiming at the problems such as easy deviation of encoder signal acquisition, low clamping efficiency and unguaranteed driving speed, a special encoder simulation working console is designed to achieve the encoder main body without damage and clamp, and the signal output is stable. The purpose of reducing signal error. According to the data transmission flow of encoder, the working platform of encoder output signal automatic compensation system is developed. Using the combination of TCP/IP communication and BISS communication, the judgement, compensation and writing of encoder output signal parameters are realized. In order to reduce the influence of nonlinear error, such as signal fluctuation, on the compensation process of encoder, the radial basis function neural network algorithm is adopted in order to reduce the complexity, low efficiency, low reliability and unstable precision of the artificial compensation signal method. It includes communication module, signal processing module, signal compensation module, signal calibration module and software assistant module, which can meet the encoder main code channel (M code channel), section code channel (S code channel), etc. Error compensation system of encoder output signal is required for error adjustment of signal amplitude, phase and offset of Vernier code channel (N code channel). The experimental results show that the self-developed encoder signal automatic compensation system can meet the demand of signal parameter compensation and the compensation result is stable. The compensation efficiency and precision of encoder signal are improved by the method of signal automatic compensation. The compensation result is closer to the ideal signal error than manual compensation. The method of encoder signal compensation and the compensation system developed in this paper have important practical value and practical significance to further improve the quality of encoder signal.
【学位授予单位】：哈尔滨理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TN762
【参考文献】
相关博士学位论文 前1条
1 梁立辉;高精度复合式光电编码器设计及分析[D];中国科学院研究生院（长春光学精密机械与物理研究所）;2010年
本文编号：2434009
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