一种时栅位移传感器信号处理电路原理与实现  

Principle and implementation of a time-gate displacement sensor signal processing circuit

作　　者：段雯[1] DUAN Wen(Xi’an JiaoTong University City College,Xi’an 710018,China)

机构地区：[1]西安交通大学城市学院,西安710018

出　　处：《自动化与仪器仪表》2023年第11期250-254,共5页Automation & Instrumentation

基　　金：陕西省科技厅重点研发计划项目(2022GY-089);机器人与智能制造陕西省高校工程研究中心基金项目(2022GZ04)。

摘　　要：为进一步提升传感器的信号处理能力,以时栅位移传感器的信号测量为研究对象,提出一种基于FPGA的测量与基于遗传算法的信号误差参数辨识与补偿方法。其中,以FPGA为主控芯片,构建传感器信号处理的控制系统,为后续的信号测量奠定基础;同时为提高信号测量精度,采用遗传算法对时栅传感器参数进行辨识,最后根据辨识结果进行误差补偿。结果表明,与传统的信号处理方法相比,本研究设计的自适应信号处理方法能够取得更好的信号处理效果,得到的信号更加集中且稳定;经过误差补偿后,系统误差更小,精度更高。综上可知,本研究设计的传感器信号处理方法能够有效提升传感器的信号处理水平,适用于各类传感器的信号处理,具有一定的实际使用价值。In order to further enhance the signal processing capability of sensors,an error compensation method based on FPGA and genetic algorithm is proposed,taking the signal processing of time grating sensors as the research object.Among them,FPGA is used as the main control chip to construct a control system for sensor signal processing,laying the foundation for subsequent signal measurement;At the same time,in order to improve the accuracy of signal measurement,genetic algorithm is used to identify the parameters of the time grating sensor,and finally,error compensation is carried out based on the identification results.The results show that compared with traditional signal processing methods,the adaptive signal processing method designed in this study can achieve better signal processing results,resulting in more concentrated and stable signals;After error compensation,the system error is smaller and the accuracy is higher.In summary,it can be seen that the sensor signal processing method designed in this study can effectively improve the signal processing level of sensors,and is suitable for signal processing of various sensors,with certain practical application value.

关 键 词：时栅传感器 信号处理 FPGA 误差补偿 

分 类 号：TP392[自动化与计算机技术—计算机应用技术]