With the continuous development of pulp and paper industry technology and the pursuit of aesthetic feeling,high requirements are put forward for paper appearance color and paper color uniformity,whether it is packaging paper,cultural paper or office paper.It is very important to design an additive color system which can effectively control paper color and reduce color difference.In this regard,first briefly describes the computer color space and color difference calculation method,introduced three paper color control methods,today's paper enterprises mostly use automatic numerical control color system for color control.Therefore,the mathematical model and overall control framework of additive color system are constructed,and the genetic algorithm is introduced to determine the optimal PID control parameters.Based on FPGA hardware development platform,the hardware design of color control system is carried out,and the function modules are designed by using FPGA and SOPC technology,and the whole paper additive color system is realized.
关键词
加色系统/数学模型/PID控制/FPGA/模块设计
Key words
additive color system/mathematical model/PID control/FPGA/module design