FPGA (Field Programmable Gate Array) implementation method of full-precision digital integral controller

The invention relates to an FPGA (Field Programmable Gate Array) implementation method for a full-precision digital integral controller of a precision source meter. The FPGA implementation method comprises the following steps of: 1, establishing a system mathematical model; 2, establishing a basic structure of the full-precision digital integrator; and 3, carrying out overflow correction on the full-precision digital integrator. The FPGA implementation method of the full-precision digital integral controller for the precision source meter is based on an FPGA platform, can efficiently calculate in real time, does not contain intercept errors, and can avoid data overflow, so that full-precision output is realized. 本发明涉及一种用于精密源表的全精度数字积分控制器的FPGA实现方法，包括如下步骤：一、系统数学模型的建立；二、全精度数字积分器基本结构的建立；三、全精度数字积分器的溢出校正。该用于精密源表的全精度数字积分控制器的FPGA实现方法基于FPGA平台，能够高效实时计算，不含截位误差且能避免数据溢出，从而实现全精度输出。