As the nonlinearity, time-varying parameters and large lag make the control difficult, a predictive functional control method based on T-S (Takagi-Sugeno) fuzzy model is presented.
针对其存在非线性、参数时变和大延迟等难以控制的特性，提出基于T - S模糊模型的预测函数控制新方法。
Submarine depth and rolling control near the water surface is a kind of nonlinearity control problem. The change of submarine mass, speed and ocean wave make it difficult to design of control system.
潜艇近水面运动情况下的深度及纵倾控制问题是一种非线性控制问题，潜艇自身质量及航速的变化、以及外界不规则海浪使得控制系统难于设计。
Most of flotation cells control their pulp level through valves, and the nonlinearity of valves makes the system's analysis and control difficult.
大多数浮选槽都是通过阀门来控制液位的，阀的非线性给系统的分析和控制带来了一定困难。
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