镍电解三段净化智能控制系统研究

Study on Intelligent Control System of The Three-Segments Purifying Progress in Nickel Electrowinning

分析了镍电解三段净化过程的特点,给出了镍电解三段净化的具体过程,针对大时滞、强非线性、多变量耦合、变参数的复杂对象,提出多变量模糊控制、神经网络内模控制、专家控制和预测控制相结合的智能控制方式,给出了系统的结构、控制策略、和控制软件结构的设计。对提高镍电解精练工艺、生产能力和生产技术指标有很高的可行性和必要性。

The characteristics of the three-segment purifying progress in nickel electrowinning are analyzed and the specified progress is proposed. Intelligent control mode including multivariable fuzzy control, neural network internal model control, expert control and predictive control is developed according to the complex object with characteristics of large time-delay, strong non-linear, multivariable coupling and changeable parameter. Mean while, the structure of the system, control strategy and structure of control software are proposed. The study is necessary and feasible to improve the technique, producing capability and technology target.