FPGA在水轮机效率测量中的应用  

The Application of FPGA in the Efficiency Measurement of Hydraulic Turbine

作　　者：任清珍[1] 冯东云[1] 黄天戍[1] 

机构地区：[1]武汉大学,湖北武汉430072

出　　处：《大电机技术》2005年第3期39-43,共5页Large Electric Machine and Hydraulic Turbine

摘　　要：为了解决水轮机效率测量时测流中多路信号的同周期性问题,提出了一种现场可编程门阵列(FPGA)和神经元芯片相结合的设计方案,实现了LonWorks现场总线技术和在线可编程技术的优势互补。灵活设定的计数范围和自动换档的分频次数保证了测量值的准确性。采用状态寄存器的方法,减小了神经元芯片控制功能对IO引脚的依赖,提高了系统的实时性。A design integrated FPGA(field programmable gate array) with neuron chip is put forward to resolve synchronization of multichannel signals in flow measurement. It achieves advantage complementarities both LonWorks field bus technology and in-system programmable technology. Flexible range of counter and automatic range change of divfreqency ensure the accuracy of data. Status register is introduced into design to reduce the dependence of control ability of neuron chip on IO pins and increase the real-time of system.

关 键 词：水轮机效率 现场可编程门阵列(FPGA) 在线可编程技术 神经元芯片 应用 现场总线技术 状态寄存器 多路信号 设计方案 优势互补 自动换档 控制功能 周期性 准确性 测量值 实时性 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置] TV73[自动化与计算机技术—控制科学与工程]